attempt to build new ast

CMakeLists.txt

@@ -161,15 +161,7 @@ set(PARALLEL_REG src/ParallelizationRegions/ParRegions.cpp
         src/ParallelizationRegions/expand_extract_reg.cpp
         src/ParallelizationRegions/expand_extract_reg.h
         src/ParallelizationRegions/resolve_par_reg_conflicts.cpp
-        src/ParallelizationRegions/resolve_par_reg_conflicts.h
-        src/ParallelizationRegions/uniq_name_creator.cpp
-        src/ParallelizationRegions/uniq_name_creator.h)
-
-set(ARRAY_PROP src/ArrayConstantPropagation/propagation.cpp
-	src/ArrayConstantPropagation/propagation.h	
-)
-set(MERGE_REGIONS src/ParallelizationRegions/merge_regions.cpp
-         src/ParallelizationRegions/merge_regions.h)
+        src/ParallelizationRegions/resolve_par_reg_conflicts.h)
 
 set(TR_DEAD_CODE src/Transformations/DeadCodeRemoving/dead_code.cpp
         src/Transformations/DeadCodeRemoving/dead_code.h)
@@ -211,9 +203,9 @@ set(TR_EXPR_TRANSFORM src/Transformations/ExpressionSubstitution/control_flow_gr
 set(TR_INLINER src/Transformations/FunctionInlining/inliner.cpp
         src/Transformations/FunctionInlining/inliner.h)
 set(TR_RENAME_SYMBOLS  src/Transformations/RenameSymbols/rename_symbols.cpp
-        src/Transformations/RenameSymbols/rename_symbols.h)
-SET(TR_MOVE_OPERATORS src/Transformations/MoveOperators/move_operators.cpp
-        src/Transformations/MoveOperators/move_operators.h)
+                    src/Transformations/RenameSymbols/rename_symbols.h)
+SET(TR_SWAP_OPERATORS src/Transformations/SwapOperators/swap_operators.cpp
+        src/Transformations/SwapOperators/swap_operators.h)
 
 set(TRANSFORMS 
         ${TR_DEAD_CODE}
@@ -237,7 +229,7 @@ set(TRANSFORMS
         ${TR_EXPR_TRANSFORM}
         ${TR_INLINER}
         ${TR_RENAME_SYMBOLS}
-        ${TR_MOVE_OPERATORS})
+        ${TR_SWAP_OPERATORS})
         
 set(CFG src/CFGraph/IR.cpp
         src/CFGraph/IR.h
@@ -430,9 +422,7 @@ set(SOURCE_EXE
     ${LOOP_ANALYZER}
     ${TRANSFORMS}
     ${PARALLEL_REG}
-    ${MERGE_REGIONS}
     ${PRIV}
-    ${ARRAY_PROP}
     ${FDVM}
     ${OMEGA}
     ${UTILS}
@@ -472,7 +462,7 @@ source_group (Transformations\\GlobalVariables FILES ${TR_GV})
 source_group (Transformations\\ConvertToC FILES ${TR_CONV})
 source_group (Transformations\\SetImplicitNone FILES ${TR_IMPLICIT_NONE})
 source_group (Transformations\\ReplaceArraysInIO FILES ${TR_REPLACE_ARRAYS_IN_IO})
-source_group (Transformations\\MoveOperators FILES ${TR_MOVE_OPERATORS})
+source_group (Transformations\\SwapOperators FILES ${TR_SWAP_OPERATORS})
 
 
 source_group (CreateIntervals FILES ${CREATE_INTER_T})
@@ -484,9 +474,7 @@ source_group (GraphCall FILES ${GR_CALL})
 source_group (GraphLoop FILES ${GR_LOOP})
 source_group (LoopAnalyzer FILES ${LOOP_ANALYZER})
 source_group (ParallelizationRegions FILES ${PARALLEL_REG})
-source_group (MergeRegions FILES ${MERGE_REGIONS})
 source_group (PrivateAnalyzer FILES ${PRIV})      
-source_group (ArrayConstantPropagation FILES ${ARRAY_PROP})      
 source_group (FDVM_Compiler FILES ${FDVM})
 source_group (SageExtension FILES ${OMEGA})
 source_group (Utils FILES ${UTILS})

src/ArrayConstantPropagation/propagation.cpp

@@ -1,380 +0,0 @@
-#include "propagation.h"
-
-#include "../Utils/SgUtils.h"
-
-#include <iostream>
-#include <functional>
-#include <unordered_map>
-#include <unordered_set>
-#include <vector>
-
-using namespace std;
-
-namespace {
-
-    struct MyHash {
-        size_t operator()(const SgSymbol* s) const {
-            return std::hash<std::string_view>{}(s->identifier());
-        }
-    };
-
-    struct MyEq {
-        bool operator()(const SgSymbol* a, const SgSymbol* b) const {
-            return std::strcmp(a->identifier(), b->identifier()) == 0;
-        }
-    };
-
-}
-
-SgStatement* declPlace = NULL;
-unordered_set<SgStatement*> changed;
-unordered_set<SgSymbol*, MyHash, MyEq> variablesToAdd;
-unordered_set<SgStatement*> positionsToAdd;
-unordered_set<SgStatement*> statementsToRemove;
-unordered_map<string, vector<pair<SgStatement*, SgStatement*>>> expToChange;
-
-static bool CheckConstIndexes(SgExpression* exp)
-{
-    if (!exp)
-    {
-        return true;
-    }
-    SgExpression* lhs = exp->lhs();
-    SgExpression* rhs = exp->rhs();
-    do
-    {
-        if (lhs->variant() != INT_VAL)
-        {
-            return false;
-        }
-        if (rhs)
-        {
-            lhs = rhs->lhs();
-            rhs = rhs->rhs();
-        }
-    } while (rhs);
-    return true;
-}
-
-static SgExpression* CreateVar(int& variableNumber, SgType* type)
-{
-    string varName = "__tmp_prop_var";
-    string name = varName + std::to_string(variableNumber) + "__";
-    variableNumber++;
-
-    SgStatement* funcStart = declPlace->controlParent();
-    SgSymbol* varSymbol = new SgSymbol(VARIABLE_NAME, name.c_str(), *type, *funcStart);
-
-    variablesToAdd.insert(varSymbol);
-    positionsToAdd.insert(declPlace);
-
-    return new SgExpression(VAR_REF, NULL, NULL, varSymbol, type->copyPtr());
-}
-
-static SgStatement* FindLastDeclStatement(SgStatement* funcStart)
-{
-    SgStatement* endSt = funcStart->lastNodeOfStmt();
-    SgStatement* cur = funcStart->lexNext();
-    SgStatement* lastDecl = funcStart;
-    const set<int> declVariants = { VAR_DECL, VAR_DECL_90, ALLOCATABLE_STMT, DIM_STAT,
-                                    EXTERN_STAT, COMM_STAT, HPF_TEMPLATE_STAT, DVM_VAR_DECL, STRUCT_DECL };
-
-    while (cur && cur != endSt)
-    {
-        if (cur->variant() == INTERFACE_STMT)
-            cur = cur->lastNodeOfStmt();
-
-        if (declVariants.find(cur->variant()) != declVariants.end())
-            lastDecl = cur;
-        else if (isSgExecutableStatement(cur))
-            break;
-
-        cur = cur->lexNext();
-    }
-
-    return lastDecl;
-}
-
-static void InsertCommonAndDeclsForFunction(SgStatement* funcStart, const unordered_set<SgSymbol*, MyHash, MyEq>& symbols)
-{
-    if (symbols.empty())
-        return;
-
-    const string commonBlockName = "__propagation_common__";
-
-    SgStatement* funcEnd = funcStart->lastNodeOfStmt();
-    SgStatement* commonStat = NULL;
-    SgExpression* commonList = NULL;
-
-    for (SgStatement* cur = funcStart->lexNext();
-         cur && cur != funcEnd; cur = cur->lexNext())
-    {
-        if (cur->variant() != COMM_STAT)
-            continue;
-
-        for (SgExpression* exp = cur->expr(0); exp; exp = exp->rhs())
-        {
-            if (exp->variant() != COMM_LIST)
-                continue;
-
-            const char* id = exp->symbol() ? exp->symbol()->identifier() : NULL;
-            string existingName = id ? string(id) : string("spf_unnamed");
-            if (existingName == commonBlockName)
-            {
-                commonStat = cur;
-                commonList = exp;
-                break;
-            }
-        }
-        if (commonStat)
-            break;
-    }
-
-    vector<SgExpression*> varRefs;
-    for (SgSymbol* sym : symbols)
-    {
-        if (!sym || sym->variant() != VARIABLE_NAME || string(sym->identifier()) == commonBlockName)
-            continue;
-        SgSymbol* symToAdd = new SgSymbol(VARIABLE_NAME, sym->identifier(), *sym->type(), *funcStart);
-        varRefs.push_back(new SgVarRefExp(symToAdd));
-    }
-    SgExpression* varList = makeExprList(varRefs, false);
-
-    SgStatement* insertAfter = FindLastDeclStatement(funcStart);
-    for (SgSymbol* sym : symbols)
-    {
-        SgStatement* declStmt = sym->makeVarDeclStmt();
-        if (!declStmt)
-            continue;
-
-        if (SgVarDeclStmt* vds = isSgVarDeclStmt(declStmt))
-            vds->setVariant(VAR_DECL_90);
-
-        declStmt->setFileName(funcStart->fileName());
-        declStmt->setFileId(funcStart->getFileId());
-        declStmt->setProject(funcStart->getProject());
-        declStmt->setlineNumber(getNextNegativeLineNumber());
-
-        insertAfter->insertStmtAfter(*declStmt, *funcStart);
-        insertAfter = declStmt;
-        statementsToRemove.insert(declStmt);
-    }
-
-    if (!commonList)
-    {
-        SgSymbol* commonSymbol = new SgSymbol(COMMON_NAME, commonBlockName.c_str());
-        commonList = new SgExpression(COMM_LIST, varList, NULL, commonSymbol);
-
-        commonStat = new SgStatement(COMM_STAT);
-        commonStat->setFileName(funcStart->fileName());
-        commonStat->setFileId(funcStart->getFileId());
-        commonStat->setProject(funcStart->getProject());
-        commonStat->setlineNumber(getNextNegativeLineNumber());
-        commonStat->setExpression(0, commonList);
-
-        SgStatement* lastDecl = FindLastDeclStatement(funcStart);
-        lastDecl->insertStmtAfter(*commonStat, *funcStart);
-        statementsToRemove.insert(commonStat);
-    }
-    else
-    {
-        commonList->setLhs(varList);
-    }
-
-}
-
-static void TransformRightPart(SgStatement* st, SgExpression* exp, unordered_map<string, SgExpression*>& arrayToVariable, int& variableNumber) 
-{
-    if (!exp)
-        return;
-    vector<SgExpression*> subnodes = { exp->lhs(), exp->rhs() };
-
-    string expUnparsed;
-    SgExpression* toAdd = NULL;
-    if (exp->variant() == ARRAY_REF && CheckConstIndexes(exp->lhs()))
-    {
-        expUnparsed = exp->unparse();
-        if (arrayToVariable.find(expUnparsed) == arrayToVariable.end() && exp->symbol()->type()->baseType())
-        {
-            arrayToVariable[expUnparsed] = CreateVar(variableNumber, exp->symbol()->type()->baseType());  
-        }
-        positionsToAdd.insert(declPlace);
-        SgSymbol* builder = arrayToVariable[expUnparsed]->symbol();
-        auto* sym = new SgSymbol(builder->variant(), builder->identifier(), builder->type(), st->controlParent());
-        auto* newVarExp = new SgVarRefExp(sym);
-        expToChange[st->fileName()].push_back({ st , st->copyPtr() });
-        st->setExpression(1, newVarExp);
-        return;
-    }
-    for (int i = 0; i < 2; i++)
-    {
-        if (subnodes[i] && subnodes[i]->variant() == ARRAY_REF && subnodes[i]->symbol()->type()->baseType() && CheckConstIndexes(subnodes[i]->lhs()))
-        {
-            expUnparsed = subnodes[i]->unparse();
-            if (arrayToVariable.find(expUnparsed) == arrayToVariable.end())               
-                arrayToVariable[expUnparsed] = CreateVar(variableNumber, subnodes[i]->symbol()->type()->baseType());
-
-            positionsToAdd.insert(declPlace);
-            SgSymbol* builder = arrayToVariable[expUnparsed]->symbol();
-            auto* sym = new SgSymbol(builder->variant(), builder->identifier(), builder->type(), st->controlParent());
-            toAdd = new SgVarRefExp(sym);
-            if (toAdd)
-            {
-                if (i == 0)
-                {
-                    expToChange[st->fileName()].push_back({ st , st->copyPtr() });;
-                    exp->setLhs(toAdd);
-                }
-                else
-                {
-                    expToChange[st->fileName()].push_back({ st , st->copyPtr() });;
-                    exp->setRhs(toAdd);
-                }
-            }
-        }
-        else
-            TransformRightPart(st, subnodes[i], arrayToVariable, variableNumber);
-        
-    }
-}
-
-static void TransformLeftPart(SgStatement* st, SgExpression* exp, unordered_map<string, SgExpression*>& arrayToVariable, int& variableNumber)
-{
-    if (exp->symbol()->type()->variant() == T_STRING)
-        return;
-    if (changed.find(st) != changed.end())
-        return;
-    string expUnparsed = exp->unparse();
-    if (arrayToVariable.find(expUnparsed) == arrayToVariable.end() && exp->symbol()->type()->baseType())
-    {
-        arrayToVariable[expUnparsed] = CreateVar(variableNumber, exp->symbol()->type()->baseType());
-    }
-    positionsToAdd.insert(declPlace);
-    SgStatement* newStatement = new SgStatement(ASSIGN_STAT, NULL, NULL, arrayToVariable[expUnparsed]->copyPtr(), st->expr(1)->copyPtr(), NULL);
-
-    newStatement->setFileId(st->getFileId());
-    newStatement->setProject(st->getProject()); 
-
-    newStatement->setlineNumber(getNextNegativeLineNumber());
-    newStatement->setLocalLineNumber(st->lineNumber());
-    st->insertStmtBefore(*newStatement, *st->controlParent());
-    changed.insert(st);
-    statementsToRemove.insert(newStatement);
-}
-
-static void TransformBorder(SgStatement* st, SgExpression* exp, unordered_map<string, SgExpression*>& arrayToVariable, int& variableNumber)
-{
-    SgStatement* firstStatement = declPlace->lexPrev();
-    st = st->lexPrev();
-    string array = exp->unparse();
-    if (arrayToVariable.find(array) == arrayToVariable.end())
-        arrayToVariable[array] = CreateVar(variableNumber, exp->symbol()->type()->baseType());
-    while (st != firstStatement)
-    {
-        if (st->variant() == ASSIGN_STAT && arrayToVariable.find(st->expr(0)->unparse()) != arrayToVariable.end())
-        {
-            if (st->expr(1))
-            {
-                TransformRightPart(st, st->expr(1), arrayToVariable, variableNumber);
-            }
-            if (st->expr(0) && st->expr(0)->variant() == ARRAY_REF && CheckConstIndexes(st->expr(0)->lhs()) && arrayToVariable.find(st->expr(0)->unparse()) != arrayToVariable.end())
-                TransformLeftPart(st, st->expr(0), arrayToVariable, variableNumber);
-        }
-        st = st->lexPrev();
-    }
-}
-
-static void CheckVariable(SgStatement* st, SgExpression* exp, unordered_map<string, SgExpression*>& arrayToVariable, int& variableNumber)
-{
-    SgStatement* firstStatement = declPlace->lexPrev();
-    st = st->lexPrev();
-    string varName = exp->unparse();
-    while (st != firstStatement)
-    {
-        if (st->variant() == ASSIGN_STAT && st->expr(0)->symbol() == exp->symbol())
-        {
-            TransformRightPart(st, st->expr(1), arrayToVariable, variableNumber);
-            positionsToAdd.insert(declPlace);
-        }
-        if (st->variant() == ASSIGN_STAT && arrayToVariable.find(st->expr(0)->unparse()) != arrayToVariable.end())
-        {
-            if (st->expr(1))
-            {
-                TransformRightPart(st, st->expr(1), arrayToVariable, variableNumber);
-                positionsToAdd.insert(declPlace);
-            }
-            if (st->expr(0) && st->expr(0)->variant() == ARRAY_REF && CheckConstIndexes(st->expr(0)->lhs()) && arrayToVariable.find(st->expr(0)->unparse()) != arrayToVariable.end())
-            {
-                TransformLeftPart(st, st->expr(0), arrayToVariable, variableNumber);
-                positionsToAdd.insert(declPlace);
-            }
-        }
-        st = st->lexPrev();
-    }
-}
-
-void arrayConstantPropagation(SgProject& project) 
-{
-    unordered_map<string, SgExpression*> arrayToVariable;
-    int variableNumber = 0;
-    for (int i = 0; i < project.numberOfFiles(); i++) 
-    {
-        SgFile* file = &(project.file(i));
-
-        if (!file)
-            continue;
-        SgFile::switchToFile(file->filename());
-        const int funcNum = file->numberOfFunctions();
-        for (int i = 0; i < funcNum; ++i)
-        {
-            SgStatement* st = file->functions(i);
-            declPlace = st->lexNext();
-            SgStatement* lastNode = st->lastNodeOfStmt();
-
-            for (; st != lastNode; st = st->lexNext())
-            {
-                if (st->variant() == FOR_NODE)
-                {
-                    SgExpression* lowerBound = st->expr(0)->lhs();
-                    SgExpression* upperBound = st->expr(0)->rhs();
-                    SgStatement* boundCopy = NULL;
-                    string lowerBoundUnparsed = lowerBound->unparse(), upperBoundUnparsed = upperBound->unparse();
-                    if (upperBound->variant() == ARRAY_REF && upperBound->symbol()->type()->baseType() && CheckConstIndexes(upperBound->lhs()))
-                    {
-                        boundCopy = st->copyPtr();
-                        TransformBorder(st, upperBound, arrayToVariable, variableNumber);
-                        st->expr(0)->setRhs(arrayToVariable[upperBoundUnparsed]->copyPtr());
-                        expToChange[st->fileName()].push_back({ st ,boundCopy });;
-                        positionsToAdd.insert(declPlace);
-                    }
-                    else if (upperBound->variant() == VAR_REF)
-                        CheckVariable(st, upperBound, arrayToVariable, variableNumber);
-
-                    if (lowerBound->variant() == ARRAY_REF && lowerBound->symbol()->type()->baseType() && CheckConstIndexes(lowerBound->lhs()))
-                    {
-                        boundCopy = st->copyPtr();
-                        TransformBorder(st, lowerBound, arrayToVariable, variableNumber);
-                        st->expr(0)->setLhs(arrayToVariable[lowerBoundUnparsed]->copyPtr());
-                        expToChange[st->fileName()].push_back({ st , boundCopy });;
-                        positionsToAdd.insert(declPlace);
-                    }
-                    else if (lowerBound->variant() == VAR_REF)
-                        CheckVariable(st, lowerBound, arrayToVariable, variableNumber);
-                }
-            }
-        }
-    }
-    unordered_set<SgStatement*> funcStarts;
-    for (SgStatement* st : positionsToAdd)
-    {
-        SgFile::switchToFile(st->fileName());
-        SgStatement* scope = st->controlParent();
-        if (scope)
-            funcStarts.insert(scope);
-    }
-    for (const auto& st : funcStarts)
-    {
-        SgFile::switchToFile(st->fileName());
-        InsertCommonAndDeclsForFunction(st, variablesToAdd);
-    }
-}

src/ArrayConstantPropagation/propagation.h

@@ -1,20 +0,0 @@
-#pragma once
-#include "../Utils/SgUtils.h"
-
-#include <string>
-#include <vector>
-
-using namespace std;
-
-struct ExprRestoreEntry
-{
-    enum Kind { kStatementExpr, kExprChild };
-    Kind kind;
-    SgStatement* stmt;
-    int stmtExprIndex;
-    SgExpression* parent;
-    bool childIsRhs;
-    SgExpression* savedCopy;
-};
-
-void arrayConstantPropagation(SgProject& project);

src/CFGraph/CFGraph.cpp

@@ -1162,9 +1162,8 @@ map<FuncInfo*, vector<BBlock*>> buildCFG(const map<string, CommonBlock*>& common
     if (SgFile::switchToFile(oldFile) == -1)
         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
-    if (!settings.withUnreachable) 
-        for (auto& [func, blocks] : result)
-            removedUnreachableBlocks(blocks);
+    for (auto& [func, blocks] : result)
+        removedUnreachableBlocks(blocks);
 
     return result;
 }

src/CFGraph/CFGraph.h

@@ -105,52 +105,23 @@ namespace SAPFOR
 
     struct CFG_Settings
     {
-        enum setting { CFG_atLeastOneIterInLoop = 1, 
-                       CFG_withRD = 2, 
-                       CFG_withRegisters = 3,  
-                       CFG_withSPF = 4, 
-                       CFG_withDVM = 5, 
-                       CFG_withCallsInBlocks = 6, 
-                       CFG_withCallFrom = 7, 
-                       CFG_withDominators = 8, 
-                       CFG_withUnreachable = 9 };
-
         bool atLeastOneIterInLoop = false;
-        bool withRD =               false;
-        bool withRegisters =        false;
-        bool withSPF =              false;
-        bool withDVM =              false;
-        bool withCallsInBlocks =    false; // separate each F_CALL to own BasicBlock
-        bool withCallFrom =         false;
-        bool withDominators =       false;
-        bool withUnreachable =      false;
+        bool withRD = true;
+        bool withRegisters = false;
+        bool withSPF = false;
+        bool withDVM = false;
+        bool withCallsInBlocks = false; // separate each F_CALL to own BasicBlock
+        bool withCallFrom = true;
+        bool withDominators = true;
 
-        explicit CFG_Settings(const std::set<setting> &settings = { CFG_withRD, CFG_withCallFrom, CFG_withDominators })
-        {
-            for (auto& set : settings)
-            {
-                if (set == CFG_atLeastOneIterInLoop)
-                    atLeastOneIterInLoop = true;
-                else if (set == CFG_withRD)
-                    withRD = true;
-                else if (set == CFG_withRegisters)
-                    withRegisters = true;
-                else if (set == CFG_withSPF)
-                    withSPF = true;
-                else if (set == CFG_withDVM)
-                    withDVM = true;
-                else if (set == CFG_withCallsInBlocks)
-                    withCallsInBlocks = true;
-                else if (set == CFG_withCallFrom)
-                    withCallFrom = true;
-                else if (set == CFG_withDominators)
-                    withDominators = true;
-                else if (set == CFG_withUnreachable)
-                    withUnreachable = true;
-                else
-                    printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-            }
-        }
+        explicit CFG_Settings(int) { }
+
+        explicit CFG_Settings(bool atLeastOneIterInLoop = false, bool withRD = true, bool withRegisters = false, 
+                              bool withDVM = false, bool withSPF = false, bool withCallsInBlocks = false, 
+                              bool withCallFrom = true, bool withDominators = true) :
+            atLeastOneIterInLoop(atLeastOneIterInLoop), withRD(withRD), withRegisters(withRegisters), withDVM(withDVM), withSPF(withSPF), 
+            withCallsInBlocks(withCallsInBlocks), withCallFrom(withCallFrom), withDominators(withDominators)
+        { }
     };
 }
 

src/CFGraph/private_variables_analysis.cpp

@@ -200,46 +200,20 @@ static void fillOutForFunc(const FuncInfo* func, const vector<SAPFOR::BasicBlock
     outForFunc[func->funcName] = { defined, common_defined };
 }
 
-static bool isInstructionSpfParameter(SAPFOR::Instruction* instr)
-{
-    SgStatement* st = instr->getOperator();
-
-    // check if this operator is SPF(ANALYSIS(PARAMETER( )))
-    if (st && st->variant() == ASSIGN_STAT)
-    {
-        if (st->lineNumber() < 0 && st->numberOfAttributes())
-        {
-            for (int i = 0; i < st->numberOfAttributes(); ++i)
-            {
-                SgAttribute* attr = st->getAttribute(i);
-                SgStatement* attributeStatement = (SgStatement*)(attr->getAttributeData());
-                int type = st->attributeType(i);
-
-                if (type == SPF_PARAMETER_OP)
-                    return true;
-            }
-        }
-    }
-    return false;
-}
-
-static void getDefsFromBlock(SAPFOR::BasicBlock* block, set<SAPFOR::Argument*>& res,
+static void getDefsFromBlock(SAPFOR::BasicBlock* block, set<SAPFOR::Argument*>& res, 
                              const vector<pair<const Variable*, CommonBlock*>>& commonVars,
                              const FuncInfo* func)
 {
     vector<SAPFOR::Argument*> lastParamRef;
 
-    for (const auto &ir_block : block->getInstructions())
+    for (auto ir_block : block->getInstructions())
     {
         SAPFOR::Instruction* instr = ir_block->getInstruction();
-        if (isInstructionSpfParameter(instr))
-            continue;
-
         SAPFOR::CFG_OP instr_operation = instr->getOperation();
         if (instr_operation == SAPFOR::CFG_OP::PARAM)
         {
             SAPFOR::Argument* arg = instr->getArg1();
-            if (arg->getType() == SAPFOR::CFG_ARG_TYPE::VAR)
+            if(arg->getType() == SAPFOR::CFG_ARG_TYPE::VAR)
                 addPlaceWithDef(commonVars, func, arg, instr);
 
             lastParamRef.push_back(arg);
@@ -262,20 +236,12 @@ static void getDefsFromBlock(SAPFOR::BasicBlock* block, set<SAPFOR::Argument*>&
     int last_instr_num = block->getInstructions().back()->getNumber();
 
     for (const auto& def : block->getRD_Out())
-    {
         for (int place : def.second)
-        {
             if (place >= first_instr_num && place <= last_instr_num && def.first->getType() == SAPFOR::CFG_ARG_TYPE::VAR)
             {
-                SAPFOR::Instruction* instr = block->getInstructions()[place - first_instr_num]->getInstruction();
-                if (isInstructionSpfParameter(instr))
-                    continue;
-
                 res.insert(def.first);
-                addPlaceWithDef(commonVars, func, def.first, instr);
+                addPlaceWithDef(commonVars, func, def.first, block->getInstructions()[place - first_instr_num]->getInstruction());
             }
-        }
-    }
 }
 
 // recursively analyze FOR loops 
@@ -300,7 +266,7 @@ static set<SAPFOR::BasicBlock*> analyzeLoop(LoopGraph* loop, const set<SAPFOR::B
     SAPFOR::BasicBlock* head_block = NULL;
 
     int loop_start = loop->lineNum, loop_end = loop->lineNumAfterLoop;
-    for (const auto &bb : blocks)
+    for (auto bb : blocks)
     {
         if (!bb || (bb->getInstructions().size() == 0))
             continue;
@@ -321,12 +287,6 @@ static set<SAPFOR::BasicBlock*> analyzeLoop(LoopGraph* loop, const set<SAPFOR::B
         }
     }
 
-    if (currentLoop.empty()) // can't find loop IR - loop unreachable!
-    {
-        __spf_print(1, "Unreachable loop on %s:%d\n", current_file->filename(), loop_operator->lineNumber());
-        return currentLoop;
-    }
-
     if (!head_block)
         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
     
@@ -388,7 +348,7 @@ static set<SAPFOR::BasicBlock*> analyzeLoop(LoopGraph* loop, const set<SAPFOR::B
         getDefsFromBlock(*loop_it, changeValueOnExit, commonVars, func);
 
 
-    for (const auto &bb : currentLoop)
+    for (auto bb : currentLoop)
     {
         //fill LiveWhenLoopEnds
         bool has_next_outside_body = false;

src/CreateInterTree/CreateInterTree.cpp

@@ -17,7 +17,7 @@ using std::fstream;
 static long int getNextTag()
 {
     static long int INTERVAL_TAG = 0;
-    return -(INTERVAL_TAG++);
+    return INTERVAL_TAG++;
 }
 
 //Debug funcs
@@ -413,7 +413,7 @@ static void findIntervals(SpfInterval *interval, map<int, int> &labelsRef, map<i
         inter->lineFile = std::make_pair(currentSt->lineNumber(), currentSt->fileName());
         inter->parent = interval;
         inter->exit_levels.push_back(0);
-        inter->tag = currentSt->lineNumber();//getNextTag();
+        inter->tag = getNextTag();
         interval->nested.push_back(inter);
 
         findIntervals(inter, labelsRef, gotoStmts, currentSt);

src/DirectiveProcessing/insert_directive.cpp

@@ -853,21 +853,12 @@ static pair<string, string> getModuleRename(const set<SgStatement*>& allocatable
         return make_pair("", "");
 }
 
-static void doRename(string& str, const pair<string, string>& renamePair)
-{
-    auto it = str.find(renamePair.first);
-    if (it != string::npos)
-        if (str[it + renamePair.first.size()] == '(' && str[it - 1] == ' ')
-            str = str.replace(it, renamePair.first.size(), renamePair.second);
-}
-
 static pair<DIST::Array*, string>
 getNewDirective(const string &fullArrayName, 
                 const vector<string> &distrRules,
                 const vector<string> &alignRules,
                 const DataDirective &dataDir,
-                const set<SgStatement*>& allocatableStmts,
-                const pair<string, int>& position_decl)
+                const set<SgStatement*>& allocatableStmts)
 {
     string out = "";
     DIST::Array* outA = NULL;
@@ -886,8 +877,7 @@ getNewDirective(const string &fullArrayName,
 
     for (int i = 0; i < dataDir.alignRules.size(); ++i)
     {
-        auto alignArray = dataDir.alignRules[i].alignArray;
-        if (alignArray->GetName() == fullArrayName)
+        if (dataDir.alignRules[i].alignArray->GetName() == fullArrayName)
         {
             string rule = alignRules[i];
             if (allocatableStmts.size())
@@ -899,21 +889,21 @@ getNewDirective(const string &fullArrayName,
                     it = rule.find("ALIGN", it + 7);
                 }
                 
-                auto renamePair = getModuleRename(allocatableStmts, alignArray);
-                doRename(rule, renamePair);
-            }
-            else if (alignArray->GetLocation().first == DIST::l_COMMON)
-            {
-                auto symb = alignArray->GetDeclSymbol(position_decl);
-                if (symb->identifier() != alignArray->GetShortName())
-                    doRename(rule, make_pair(alignArray->GetShortName(), symb->identifier()));
+                auto renamePair = getModuleRename(allocatableStmts, dataDir.alignRules[i].alignArray);
+                if (renamePair.first != "")
+                {
+                    it = rule.find(renamePair.first);
+                    if (it != string::npos)
+                        if (rule[it + renamePair.first.size()] == '(' && rule[it - 1] == ' ')
+                            rule = rule.replace(it, renamePair.first.size(), renamePair.second);
+                }
             }
 
             out += "!DVM$ " + rule + "\n";
             if (!out_free_form)
                 out = splitDirective(out);
 
-            return make_pair(alignArray, out);
+            return make_pair(dataDir.alignRules[i].alignArray, out);
         }
     }
     
@@ -1753,7 +1743,7 @@ void insertDistributionToFile(SgFile *file, const char *fin_name, const DataDire
                             if (allocatableStmtsCopy.size())
                                 allocatableStmts = filterAllocateStats(file, allocatableStmtsCopy, currSymb->identifier());
    
-                            pair<DIST::Array*, string> dirWithArray = getNewDirective(fullArrayName, distrRules, alignRules, dataDir, allocatableStmts, make_pair(st->fileName(), st->lineNumber()));
+                            pair<DIST::Array*, string> dirWithArray = getNewDirective(fullArrayName, distrRules, alignRules, dataDir, allocatableStmts);
 
                             string toInsert = dirWithArray.second;
                             if (toInsert != "")
@@ -1985,27 +1975,20 @@ void insertDistributionToFile(SgFile *file, const char *fin_name, const DataDire
                 set<string> toInsertArrays;
                 for (auto &array : dynamicArraysLocal)
                 {
-                    string name = array->GetShortName();
-                    if (array->GetLocation().first == DIST::l_COMMON)
-                    {
-                        auto symb = array->GetDeclSymbol(make_pair(st->fileName(), st->lineNumber()));
-                        name = symb->identifier();
-                    }
-
                     if (extractDir)
                     {
-                        if (dynamicArraysAdded.find(name) != dynamicArraysAdded.end())
+                        if (dynamicArraysAdded.find(array->GetShortName()) != dynamicArraysAdded.end())
                         {
-                            dynamicArraysAdded.erase(name);
-                            toInsertArrays.insert(name);
+                            dynamicArraysAdded.erase(array->GetShortName());
+                            toInsertArrays.insert(array->GetShortName());
                         }
                     }
                     else
                     {
-                        if (dynamicArraysAdded.find(name) == dynamicArraysAdded.end())
+                        if (dynamicArraysAdded.find(array->GetShortName()) == dynamicArraysAdded.end())
                         {
-                            dynamicArraysAdded.insert(name);
-                            toInsertArrays.insert(name);
+                            dynamicArraysAdded.insert(array->GetShortName());
+                            toInsertArrays.insert(array->GetShortName());
                         }
                     }
                 }
@@ -2162,14 +2145,7 @@ void insertShadowSpecToFile(SgFile *file, const char *fin_name, const set<string
 
                     if (needToGen)
                     {
-                        string name = array->GetShortName();
-                        if (array->GetLocation().first == DIST::l_COMMON)
-                        {
-                            auto symb = array->GetDeclSymbol(make_pair(st->fileName(), st->lineNumber()));
-                            name = symb->identifier();
-                        }
-
-                        string shadowSpecInsert = "!DVM$ SHADOW " + name + "(";
+                        string shadowSpecInsert = "!DVM$ SHADOW " + array->GetShortName() + "(";
                         for (int k = 0; k < currSpec.size(); ++k)
                         {
                             char buf[256];
@@ -2181,7 +2157,7 @@ void insertShadowSpecToFile(SgFile *file, const char *fin_name, const set<string
                         shadowSpecInsert += ")\n";
 
                         shadowsSpecsString.push_back(shadowSpecInsert);
-                        pair<SgExpression*, SgExpression*> newSpec = genShadowSpec(file, make_pair(name, currSpec));
+                        pair<SgExpression*, SgExpression*> newSpec = genShadowSpec(file, make_pair(array->GetShortName(), currSpec));
                         if (newSpec.first == NULL || newSpec.second == NULL)
                             printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
                         shadowsSpecs.push_back(newSpec);

src/DirectiveProcessing/shadow.cpp

@@ -26,7 +26,6 @@ using std::string;
 using std::vector;
 using std::pair;
 using std::make_pair;
-using SAPFOR::CFG_Settings;
 
 extern int debSh;
 
@@ -1673,12 +1672,9 @@ void GroupShadow(const map<string, vector<FuncInfo*>>& allFuncs,
         
             SgStatement* func = currF->funcPointer->GetOriginal();
 
-            const auto settings = CFG_Settings({ CFG_Settings::CFG_atLeastOneIterInLoop, CFG_Settings::CFG_withDVM, 
-                                                 CFG_Settings::CFG_withCallsInBlocks, CFG_Settings::CFG_withUnreachable });
-            auto cfg = buildCFGforCurrentFunc(func, settings, commonBlocks, allFuncs);
+            auto cfg = buildCFGforCurrentFunc(func, SAPFOR::CFG_Settings(true, false, false, true, false, true, false), commonBlocks, allFuncs);
             if (cfg.size() != 1)
                 printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
             auto& blocks = cfg.begin()->second;
 
             //create reaching blocks

src/Distribution/Array.h

@@ -336,24 +336,9 @@ namespace Distribution
             if (pos != STRING::npos)
             {
                 name.erase(pos, shortName.size());
+                shortName = newName;
                 name += newName;
             }
-            else if (locationPos.first == l_COMMON) // name of array in common may be different
-            {
-                pos = name.rfind("_");
-                if (pos != STRING::npos)
-                {
-                    name.erase(pos + 1, shortName.size());
-                    name += newName;
-                }
-                else
-                {
-#if __SPF
-                    printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-#endif
-                }
-            }
-            shortName = newName;
             GenUniqKey();
         }
 
@@ -557,44 +542,6 @@ namespace Distribution
             return NULL; 
         }
 
-        Symbol* GetDeclSymbol(const PAIR<STRING, int>& position_decl) const
-        {
-            if (!IsArray() || locationPos.first != l_COMMON)
-                return declSymbol;
-
-            auto it = declPlacesSymbol.find(position_decl);
-            if (it != declPlacesSymbol.end())
-                return it->second;
-            else // find nearest
-            {
-                MAP<PAIR<STRING, int>, Symbol*> currFile;
-                for (auto& [position, symb] : declPlacesSymbol)
-                {
-                    if (position.first == position_decl.first)
-                        currFile[position] = symb;
-                }
-
-                PAIR<int, Symbol*> nearest = { (int)0, NULL };
-                const int needed_pos = position_decl.second;
-
-                for (auto& [position, symb] : currFile)
-                {
-                    if (nearest.second == NULL)
-                        nearest = { abs(position.second - needed_pos), symb };
-
-                    if (abs(position.second - needed_pos) < nearest.first)
-                        nearest = { abs(position.second - needed_pos), symb };
-                }
-
-                if (nearest.second)
-                    return nearest.second;
-#if __SPF
-                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-#endif
-            }
-            return NULL;
-        }
-
         Symbol* GetDeclSymbol() const { return declSymbol; }
         void SetDeclSymbol(Symbol *s) { declSymbol = s; }
 

src/Distribution/CreateDistributionDirs.cpp

@@ -274,7 +274,7 @@ static void convertTrees(const map<DIST::Array*, int> &treesIn, map<int, vector<
 static DIST::Array* findBestInEqual(vector<DIST::Array*> &arrays, DIST::GraphCSR<int, double, attrType> &reducedG, DIST::Arrays<int> &allArrays)
 {
     DIST::Array *retVal = NULL;
-    vector<vector<attrType>> coeffsByDims;
+    vector<vector<attrType>> coefsByDims;
     for (auto &array : arrays)
     {
         vector<int> verts;
@@ -285,7 +285,7 @@ static DIST::Array* findBestInEqual(vector<DIST::Array*> &arrays, DIST::GraphCSR
         {
             retVal = array;
             for (auto &V : verts)
-                coeffsByDims.push_back(reducedG.GetAllAttributes(V));
+                coefsByDims.push_back(reducedG.GetAllAttributes(V));
         }
         else
         {
@@ -294,11 +294,11 @@ static DIST::Array* findBestInEqual(vector<DIST::Array*> &arrays, DIST::GraphCSR
                 toCmp.push_back(reducedG.GetAllAttributes(V));
             for (int z = 0; z < toCmp.size(); ++z)
             {
-                if (toCmp[z].size() && coeffsByDims[z].size())
+                if (toCmp[z].size() && coefsByDims[z].size())
                 {
-                    if (toCmp[z].back().first.first > coeffsByDims[z].back().first.first)
+                    if (toCmp[z].back().first.first > coefsByDims[z].back().first.first)
                     {
-                        coeffsByDims = toCmp;
+                        coefsByDims = toCmp;
                         retVal = array;
                         break;
                     }

src/Distribution/DvmhDirective.cpp

@@ -45,10 +45,10 @@ static bool findArrayRefAndCheck(SgExpression *ex, const DIST::Array* currArray,
                 int countOfShadows = 0;
                 for (int i = 0; i < ref->numberOfSubscripts(); ++i)
                 {
-                    const vector<int*> &coeffs = getAttributes<SgExpression*, int*>(ref->subscript(i), set<int>{ INT_VAL });
-                    if (coeffs.size() == 1)
+                    const vector<int*> &coefs = getAttributes<SgExpression*, int*>(ref->subscript(i), set<int>{ INT_VAL });
+                    if (coefs.size() == 1)
                     {
-                        const pair<int, int> coef(coeffs[0][0], coeffs[0][1]);
+                        const pair<int, int> coef(coefs[0][0], coefs[0][1]);
                         auto it = shiftsByAccess[i].find(coef);
                         if (it != shiftsByAccess[i].end())
                             if (it->second != 0)

src/Distribution/DvmhDirectiveBase.cpp

@@ -364,11 +364,11 @@ static inline string calculateShifts(DIST::GraphCSR<int, double, attrType> &redu
             {
                 if (sharedMemoryParallelization)
                 {
-                    for (auto& coeffs : currReadOp->first[k].coefficients)
+                    for (auto& coefs : currReadOp->first[k].coefficients)
                     {
-                        auto currAccess = coeffs.first;
+                        auto currAccess = coefs.first;
 
-                        const int currShift = coeffs.first.second;
+                        const int currShift = coefs.first.second;
 
                         auto itFound = shiftsByAccess[k].find(currAccess);
                         if (itFound == shiftsByAccess[k].end())
@@ -393,9 +393,9 @@ static inline string calculateShifts(DIST::GraphCSR<int, double, attrType> &redu
                             int minShift = 9999999;
                             int maxShift = -9999999;
 
-                            for (auto &coeffs : currReadOp->first[k].coefficients)
+                            for (auto &coefs : currReadOp->first[k].coefficients)
                             {
-                                auto currAccess = coeffs.first;
+                                auto currAccess = coefs.first;
                                 auto result = DIST::Fx(currAccess, currRuleShadow);
 
                                 if (result.first == loopRule.first)
@@ -417,7 +417,7 @@ static inline string calculateShifts(DIST::GraphCSR<int, double, attrType> &redu
                                     auto it = remoteRegularReads.find(calcForArray);
                                     if (it == remoteRegularReads.end())
                                         it = remoteRegularReads.insert(it, make_pair(calcForArray, vector<ArrayOp>(calcForArray->GetDimSize())));
-                                    it->second[k].coefficients.insert(coeffs);
+                                    it->second[k].coefficients.insert(coefs);
                                 }
                             }
 

src/DvmhRegions/DvmhRegionInserter.cpp

@@ -1289,9 +1289,6 @@ static set<DIST::Array*>
 
             SgStatement* declStat = NULL;
 
-            if (realArray->GetLocation().first == DIST::l_PARAMETER)
-                continue;
-
             if (realArray->GetLocation().first == DIST::l_COMMON)
             {
                 commonArrays.insert(realArray);

src/GraphCall/graph_calls.cpp

@@ -723,7 +723,7 @@ static void fillIn(FuncInfo *currF, SgExpression *ex, const map<string, int> &pa
 {
     if (ex)
     {
-        if (!isInFuncPar && (ex->variant() == VAR_REF || ex->variant() == ARRAY_REF))
+        if (!isInFuncPar && (ex->variant() == VAR_REF || isArrayRef(ex)))
         {
             const char *name = ex->symbol()->identifier();
             if (name && name != string(""))
@@ -800,58 +800,29 @@ static void fillInOut(FuncInfo *currF, SgStatement *start, SgStatement *last, co
 
     static map<string, vector<int>> supportedKeyWordArg = { {"system_clock", { OUT_BIT, OUT_BIT, OUT_BIT } } };
 
-    map<string, int> parNamesMain;
-    map<string, int> parNamesContains;
+    map<string, int> parNames;
 
     for (int i = 0; i < currF->funcParams.identificators.size(); ++i)
-        parNamesMain[currF->funcParams.identificators[i]] = i;
+        parNames[currF->funcParams.identificators[i]] = i;
 
-    map<string, int>& parNames = parNamesMain;
-
-    bool isContainsFunctions = false;
     for (auto st = start; st != last; st = st->lexNext())
     {
-        if (st->variant() == CONTAINS_STMT) {
-            isContainsFunctions = true;
-            continue;
-        }
-
-        if (isContainsFunctions) {
-            if (st->variant() == PROC_HEDR || st->variant() == FUNC_HEDR) {
-                parNamesContains = parNamesMain;
-                
-                SgProgHedrStmt* hedr = (SgProgHedrStmt*)st;
-
-                int numOfParams = hedr->numberOfParameters();
-                if (numOfParams > 0)
-                {
-                    for (int i = 0; i < numOfParams; ++i)
-                    {
-                        auto it = parNamesContains.find(hedr->parameter(i)->identifier());
-                        if (it != parNamesContains.end())
-                            parNamesContains.erase(it);
-                    }
-                }
-                parNames = parNamesContains;
-            }
-        }
+        if (st->variant() == CONTAINS_STMT)
+            break;
 
         if (st->variant() == ENTRY_STAT)
             continue;
         
         if (isSgExecutableStatement(st) == NULL) {
-            if (!isContainsFunctions)
-                checkInTypeDescription(st->expr(0), currF, parNames);
+            checkInTypeDescription(st->expr(0), currF, parNames);
             continue;
         }
 
         if (st->lineNumber() <= 0)
             continue;
 
-        //XXX: use parameters removing in block ... isContainsFunctions ...
-        //TODO need to use IR for parameters checking
-        /*if (activeOps.size() && activeOps.find(st) == activeOps.end())
-            continue; */
+        if (activeOps.size() && activeOps.find(st) == activeOps.end())
+            continue;
 
         if (st->variant() == ASSIGN_STAT)
         {
@@ -880,7 +851,7 @@ static void fillInOut(FuncInfo *currF, SgStatement *start, SgStatement *last, co
             for (auto ex = read->itemList(); ex; ex = ex->rhs())
             {
                 SgExpression* item = ex->lhs();
-                if (item && (item->variant() == VAR_REF || item->variant() == ARRAY_REF))
+                if (item->variant() == VAR_REF || isArrayRef(item))
                 {
                     string symb = "";
                     if (item->symbol())
@@ -901,7 +872,7 @@ static void fillInOut(FuncInfo *currF, SgStatement *start, SgStatement *last, co
                         if (item->rhs())
                             queue.push(item->rhs());
 
-                        if (item->variant() == VAR_REF || item->variant() == ARRAY_REF)
+                        if (item->variant() == VAR_REF || isArrayRef(item))
                         {
                             string symb = "";
                             if (item->symbol())

src/GraphLoop/graph_loops_base.cpp

@@ -1137,9 +1137,9 @@ static bool isMapped(const vector<ArrayOp> &allOps)
     bool mapped = false;
     for (auto &ops : allOps)
     {
-        for (auto &coeffs : ops.coefficients)
+        for (auto &coefs : ops.coefficients)
         {
-            if (coeffs.first.first != 0)
+            if (coefs.first.first != 0)
             {
                 mapped = true;
                 break;

src/LoopAnalyzer/loop_analyzer.cpp

@@ -247,7 +247,7 @@ static vector<int> matchSubscriptToLoopSymbols(const vector<SgForStmt*> &parentL
         }
     }
 
-    pair<int, int> coeffs = pair<int, int>(0, 0);
+    pair<int, int> coefs = pair<int, int>(0, 0);
     // more than one loop symbol in subscription
     if (countOfSymbols > 1)
     {
@@ -326,16 +326,16 @@ static vector<int> matchSubscriptToLoopSymbols(const vector<SgForStmt*> &parentL
         {
             if (subscr->symbol()->id() == (parentLoops[position]->doName())->id())
             {
-                coeffs.first = 1;
+                coefs.first = 1;
                 needToCacl = false;
             }
         }
 
         if (needToCacl)
-            getCoefsOfSubscript(coeffs, subscr, parentLoops[position]->doName());
-        __spf_print(PRINT_ARRAY_ARCS, " <%d %d> ", coeffs.first, coeffs.second);
+            getCoefsOfSubscript(coefs, subscr, parentLoops[position]->doName());
+        __spf_print(PRINT_ARRAY_ARCS, " <%d %d> ", coefs.first, coefs.second);
 
-        if (coeffs.first == 0) // && coeffs.second == 0)
+        if (coefs.first == 0) // && coefs.second == 0)
         {
             if (currRegime == REMOTE_ACC)
             {
@@ -346,7 +346,7 @@ static vector<int> matchSubscriptToLoopSymbols(const vector<SgForStmt*> &parentL
             {                
                 const pair<bool, string> &arrayRefString = constructArrayRefForPrint(arrayRef, dimNum, origSubscr);
                 __spf_print(1, "WARN: can not calculate index expression for array ref '%s' at line %d\n", arrayRefString.second.c_str(), currLine);
-                addInfoToVectors(loopInfo, parentLoops[position], currOrigArrayS, dimNum, coeffs, UNREC_OP, numOfSubscriptions, currentW);
+                addInfoToVectors(loopInfo, parentLoops[position], currOrigArrayS, dimNum, coefs, UNREC_OP, numOfSubscriptions, currentW);
                 if (side == LEFT)
                     allPositions.clear();
 
@@ -371,19 +371,19 @@ static vector<int> matchSubscriptToLoopSymbols(const vector<SgForStmt*> &parentL
                         currOp.resize(numOfSubscriptions);
 
                     //add only uniq 
-                    auto itAdd = currOp[dimNum].coefficients.find(coeffs);
+                    auto itAdd = currOp[dimNum].coefficients.find(coefs);
                     if (itAdd == currOp[dimNum].coefficients.end())
-                        itAdd = currOp[dimNum].coefficients.insert(itAdd, make_pair(coeffs, currentW));
+                        itAdd = currOp[dimNum].coefficients.insert(itAdd, make_pair(coefs, currentW));
                 }
 
-                if (coeffs.first < 0)
+                if (coefs.first < 0)
                     addInfoToMap(loopInfo, parentLoops[position], currOrigArrayS, arrayRef, dimNum, REMOTE_TRUE, currLine, numOfSubscriptions);
                 else
                     //if we found regular access to array - set it false
                     addInfoToMap(loopInfo, parentLoops[position], currOrigArrayS, arrayRef, dimNum, REMOTE_FALSE, currLine, numOfSubscriptions);
             }
 
-            if (coeffs.first < 0 && sharedMemoryParallelization == 0)
+            if (coefs.first < 0 && sharedMemoryParallelization == 0)
             {
                 if (currRegime == DATA_DISTR)
                 {
@@ -402,15 +402,15 @@ static vector<int> matchSubscriptToLoopSymbols(const vector<SgForStmt*> &parentL
                     if (side == LEFT)
                         allPositions.clear();
                     else
-                        addInfoToVectors(loopInfo, parentLoops[position], currOrigArrayS, dimNum, coeffs, UNREC_OP, numOfSubscriptions, currentW);
+                        addInfoToVectors(loopInfo, parentLoops[position], currOrigArrayS, dimNum, coefs, UNREC_OP, numOfSubscriptions, currentW);
                 }
             }
             else
             {
                 if (side == LEFT)
-                    addInfoToVectors(loopInfo, parentLoops[position], currOrigArrayS, dimNum, coeffs, WRITE_OP, numOfSubscriptions, currentW);
+                    addInfoToVectors(loopInfo, parentLoops[position], currOrigArrayS, dimNum, coefs, WRITE_OP, numOfSubscriptions, currentW);
                 else
-                    addInfoToVectors(loopInfo, parentLoops[position], currOrigArrayS, dimNum, coeffs, READ_OP, numOfSubscriptions, currentW);
+                    addInfoToVectors(loopInfo, parentLoops[position], currOrigArrayS, dimNum, coefs, READ_OP, numOfSubscriptions, currentW);
             }
         }
     }
@@ -418,13 +418,13 @@ static vector<int> matchSubscriptToLoopSymbols(const vector<SgForStmt*> &parentL
     if (currRegime == ARRAY_ACC_CORNER)
     {
         int *valueSubs = new int[2];
-        valueSubs[0] = coeffs.first;
-        valueSubs[1] = coeffs.second;
+        valueSubs[0] = coefs.first;
+        valueSubs[1] = coefs.second;
 #ifdef __SPF
         addToCollection(__LINE__, __FILE__, valueSubs, 2);
 #endif
-        const vector<int*> &coeffs = getAttributes<SgExpression*, int*>(subscr, set<int>{ INT_VAL });
-        if (coeffs.size() == 0)
+        const vector<int*> &coefs = getAttributes<SgExpression*, int*>(subscr, set<int>{ INT_VAL });
+        if (coefs.size() == 0)
         {
             subscr->addAttribute(INT_VAL, valueSubs, sizeof(int*));
             if (position != -1 && allPositions.size() == 1 && position < parentLoops.size())

src/ParallelizationRegions/ParRegions.cpp

@@ -24,7 +24,6 @@ using std::make_pair;
 using std::map;
 using std::set;
 using std::wstring;
-using std::tuple;
 
 extern void createMapLoopGraph(map<int, LoopGraph*> &sortedLoopGraph, const vector<LoopGraph*> *loopGraph);
 
@@ -955,65 +954,4 @@ void calculateLinesOfCode(vector<ParallelRegion*> &allRegions)
 
         __spf_print(1, "  Count of lines in region '%s' = %d\n", elem->GetName().c_str(), lineCounter);
     }
-}
-
-void propagateRegionInfo(map<tuple<int, string, string>, pair<DIST::Array*, DIST::ArrayAccessInfo*>>& declaredArrays,
-                         const map<DIST::Array*, set<DIST::Array*>>& arrayLinksByFuncCalls,
-                         const vector<ParallelRegion*> &parallelRegions)
-{
-    bool modified = true;
-    while (modified)
-    {
-        modified = false;
-        
-        for (auto &array_pair: declaredArrays)
-        {
-            auto array = array_pair.second.first;
-            if (array->GetLocation().first == DIST::l_PARAMETER)
-            {
-                set<DIST::Array*> realArrayRef;
-                getAllArrayRefs(array, array, realArrayRef, arrayLinksByFuncCalls);
-
-                auto regs = array->GetRegionsName();
-                for (auto& ref : realArrayRef)
-                {
-                    auto regsRef = ref->GetRegionsName();
-                    for (auto& reg : regsRef)
-                    {
-                        if (regs.count(reg) == 0)
-                        {
-                            array->SetRegionPlace(reg);
-                            modified = true;
-                        }
-                    }
-
-                }
-            }
-        }
-    }
-
-    bool hasNonDefaultReg = false;
-    for (auto& elem : parallelRegions)
-    {
-        string regName = elem->GetName();
-        convertToLower(regName);
-        if (regName != "default")
-            hasNonDefaultReg = true;
-    }
-
-    if (hasNonDefaultReg)
-    {
-        for (auto array : declaredArrays)
-        {
-            if (array.second.first->GetRegionsName().size() == 0)
-                array.second.first->SetDistributeFlag(DIST::NO_DISTR);
-            else if (array.second.first->GetRegionsName().size() == 1)
-            {
-                string regName = *array.second.first->GetRegionsName().begin();
-                convertToLower(regName);
-                if (regName == "default")
-                    array.second.first->SetDistributeFlag(DIST::NO_DISTR);
-            }
-        }
-    }
 }

src/ParallelizationRegions/ParRegions_func.h

@@ -10,7 +10,3 @@ int printParalleRegions(const char *fileName, std::vector<ParallelRegion*> &regi
 bool buildGraphFromUserDirectives(const std::vector<Statement*> &userDvmAlignDirs, DIST::GraphCSR<int, double, attrType> &G, DIST::Arrays<int> &allArrays, const std::map<DIST::Array*, std::set<DIST::Array*>> &arrayLinksByFuncCalls, const std::set<DIST::Array*>& alignedArrays, std::set<DIST::Array*>& addedArrays, const std::map<std::string, std::vector<FuncInfo*>>& funcsByFile);
 void clearRegionStaticData();
 void calculateLinesOfCode(std::vector<ParallelRegion*> &allRegions);
-
-void propagateRegionInfo(std::map<std::tuple<int, std::string, std::string>, std::pair<DIST::Array*, DIST::ArrayAccessInfo*>>& declaredArrays,
-                         const std::map<DIST::Array*, std::set<DIST::Array*>>& arrayLinksByFuncCall,
-                         const std::vector<ParallelRegion*>& parallelRegions);

src/ParallelizationRegions/merge_regions.cpp

@@ -1,624 +0,0 @@
-#include "leak_detector.h"
-
-#include <set>
-#include <map>
-#include "merge_regions.h"
-
-using std::map;
-using std::set;
-using std::pair;
-using std::string;
-using std::vector;
-
-//TODO: need to create new clause!!
-static void parseMergeDirective(const char *comment,
-                                vector<pair<string, string>> &parsed_mapping)
-{
-    while (comment)
-    {
-        auto *line_end = strchr(comment, '\n');
-
-        static const char prefix[] = "!!spf transform(merge_arrays(";
-        static const auto compare_chars = sizeof(prefix) - 1;
-
-        if (strlen(comment) >= compare_chars)
-        {
-            std::string comment_cmp(comment, compare_chars);
-            convertToLower(comment_cmp);
-
-            if (comment_cmp == prefix)
-            {
-                auto* pair_start = comment + compare_chars;
-                auto* comma = strchr(pair_start, ',');
-                if (comma)
-                {
-                    auto* close_br = strchr(comma + 1, ')');
-                    if (close_br)
-                    {
-                        parsed_mapping.emplace_back(
-                            string(pair_start, comma - pair_start),
-                            string(comma + 1, close_br - comma - 1));
-                    }
-                }
-            }
-        }
-
-        comment = line_end;
-
-        if (comment)
-            comment++;
-    }
-}
-
-static string getNonDefaultRegion(DIST::Array *a)
-{
-    string result;
-
-    if (!a)
-        return result;
-
-    for (const auto &reg_name : a->GetRegionsName())
-    {
-        if (reg_name != "default")
-        {
-            if (!result.empty())
-                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-            result = reg_name;
-        }
-    }
-
-    return result;
-}
-
-static bool hasSameSizes(DIST::Array *a, DIST::Array *b)
-{
-    for (auto *array : {a, b})
-    {
-        for (const auto &p : array->GetSizes())
-        {
-            if (p.first < 0 || p.second < 0)
-                return false;
-        }
-    }
-
-    return a->GetSizes() == b->GetSizes() && a->GetTypeSize() == b->GetTypeSize();
-}
-
-static bool checkSimilarTemplates(vector<ParallelRegion *> &regions,
-                                  const map<string, string> &new_region_mapping)
-{
-    // new region -> old regions
-    map<string, set<string>> new_region_inverse_mapping;
-    for (const auto &p : new_region_mapping)
-        new_region_inverse_mapping[p.second].insert(p.first);
-
-    for (const auto &new_reg : new_region_inverse_mapping)
-    {
-        DIST::Array *template_array = nullptr;
-        string first_reg_name;
-
-        for (const auto &old_region_name : new_reg.second)
-        {
-            auto *old_reg = getRegionByName(regions, old_region_name);
-
-            if (!old_reg)
-                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-            const auto &distr_rules = old_reg->GetDataDir().GetDistrRules();
-            if (distr_rules.size() != 1)
-                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-            auto *current_template = distr_rules.front().first;
-
-            if (template_array)
-            {
-                if (!hasSameSizes(template_array, current_template))
-                {
-                    __spf_print(1, "Templates of %s and %s has different sizes\n",
-                                first_reg_name.c_str(),
-                                old_region_name.c_str());
-
-                    return false;
-                }
-                // else everything OK
-            }
-            else
-            {
-                template_array = current_template;
-                first_reg_name = old_region_name;
-            }
-        }
-    }
-
-    return true;
-}
-
-static bool hasSameAlignment(const std::set<const AlignRule *> &align_a,
-                             const std::set<const AlignRule *> &align_b)
-{
-    if (align_a.size() != 1 || align_b.size() != 1)
-        return false;
-
-    const auto *rule_a = *align_a.begin();
-    const auto *rule_b = *align_b.begin();
-
-    if (rule_a->alignRule != rule_b->alignRule)
-        return false;
-
-    return true;
-}
-
-static void printExpr(SgExpression *e, string pad)
-{
-    if (!e)
-        return;
-
-    __spf_print(1, "%s%d: %s\n", pad.c_str(), e->variant(), e->unparse());
-
-    printExpr(e->lhs(), pad + "  ");
-    printExpr(e->rhs(), pad + "  ");
-}
-
-static pair<vector<SgStatement *>, SgSymbol *> generateDeclaration(const string &array_name, const string &common_block_name,
-                                                                   const vector<pair<int, int>> &sizes, SgType *type, SgStatement *scope)
-{
-    auto *array_symbol = new SgSymbol(VARIABLE_NAME, array_name.c_str(), new SgType(T_ARRAY), scope);
-
-    auto *decl = new SgDeclarationStatement(VAR_DECL);
-
-    decl->setExpression(1, new SgTypeExp(*type));
-
-    SgExpression *subs = new SgExprListExp();
-
-    auto *array_ref = new SgArrayRefExp(*array_symbol, *subs);
-
-    for (int i = 0; i < sizes.size(); i++)
-    {
-        const auto &p = sizes[i];
-        auto *d = new SgExpression(DDOT, new SgValueExp(p.first), new SgValueExp(p.second));
-        subs->setLhs(d);
-
-        if (i + 1 < sizes.size())
-        {
-            subs->setRhs(new SgExprListExp());
-            subs = subs->rhs();
-        }
-    }
-
-    decl->setExpression(0, array_ref);
-
-    auto comm = new SgStatement(COMM_STAT);
-
-    comm->setExpression(0, new SgExpression(COMM_LIST,
-                                            new SgVarRefExp(array_symbol),
-                                            NULL,
-                                            new SgSymbol(COMMON_NAME, common_block_name.c_str())));
-
-    return {{decl, comm}, array_symbol};
-}
-
-static SgExpression* findExprWithVariant(SgExpression* exp, int variant)
-{
-    if (exp)
-    {
-        if (exp->variant() == variant)
-            return exp;
-
-        auto *l = findExprWithVariant(exp->lhs(), variant);
-        if (l)
-            return l;
-
-        auto *r = findExprWithVariant(exp->rhs(), variant);
-        if (r)
-            return r;
-    }
-
-    return NULL;
-}
-
-SgType* GetArrayType(DIST::Array *array)
-{
-    if (!array)
-        return NULL;
-
-    for (const auto& decl_place : array->GetDeclInfo())
-    {
-        if (SgFile::switchToFile(decl_place.first) != -1)
-        {
-            auto* decl = SgStatement::getStatementByFileAndLine(decl_place.first, decl_place.second);
-            if (decl)
-            {
-                for (int i = 0; i < 3; i++)
-                {
-                    auto* found_type = isSgTypeExp(findExprWithVariant(decl->expr(i), TYPE_OP));
-                    if (found_type)
-                        return found_type->type();
-                }
-            }
-        }
-    }
-
-    return NULL;
-}
-
-SgSymbol *insertDeclIfNeeded(const string &array_name,
-                             const string &common_block_name,
-                             DIST::Array *example_array,
-                             FuncInfo *dest,
-                             map<FuncInfo *, map<string, SgSymbol *>> &inserted_arrays)
-{
-    auto *type = GetArrayType(example_array);
-
-    if (!type)
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-    if (SgFile::switchToFile(dest->fileName) == -1)
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-    auto &by_func = inserted_arrays[dest];
-    auto it = by_func.find(array_name);
-
-    if (it != by_func.end())
-        return it->second;
-
-    SgStatement *st = dest->funcPointer;
-
-    auto *end = st->lastNodeOfStmt();
-
-    st = st->lexNext();
-
-    while (st != end && !isSgExecutableStatement(st))
-    {
-        st = st->lexNext();
-    }
-
-    auto generated = generateDeclaration(array_name, common_block_name,
-                                         example_array->GetSizes(),
-                                         type, dest->funcPointer);
-    for (auto *new_stmt : generated.first)
-        st->insertStmtBefore(*new_stmt, *dest->funcPointer);
-
-    by_func[array_name] = generated.second;
-
-    return generated.second;
-}
-
-static pair<string, string> createNewArray(DIST::Array *example_array, const string &base_name,
-                                           const map<string, vector<FuncInfo *>> &allFuncInfo,
-                                           map<FuncInfo *, map<string, SgSymbol *>> &inserted_arrays)
-{
-    auto common_block_name = base_name + "_merge_r";
-    auto array_name = base_name;
-
-    for (const auto &by_file : allFuncInfo)
-    {
-        for (auto *func_info : by_file.second)
-        {
-            if (func_info->isMain)
-            {
-                insertDeclIfNeeded(
-                    array_name,
-                    common_block_name,
-                    example_array,
-                    func_info,
-                    inserted_arrays);
-            }
-        }
-    }
-
-    return std::make_pair(array_name, common_block_name);
-}
-
-static void replaceArrayRec(SgExpression *e,
-                            const set<string> &arrays_to_replace,
-                            SgSymbol **func_symbol_hint,
-                            const pair<string, string> &replace_by,
-                            DIST::Array *example_array,
-                            FuncInfo *func,
-                            map<FuncInfo *, map<string, SgSymbol *>> &inserted_arrays)
-{
-    if (!e)
-        return;
-
-    if (isArrayRef(e) && arrays_to_replace.find(e->symbol()->identifier()) != arrays_to_replace.end())
-    {
-        if (!(*func_symbol_hint))
-        {
-            *func_symbol_hint = insertDeclIfNeeded(
-                replace_by.first, replace_by.second,
-                example_array,
-                func,
-                inserted_arrays);
-        }
-
-        e->setSymbol(*func_symbol_hint);
-    }
-
-    replaceArrayRec(
-        e->lhs(),
-        arrays_to_replace,
-        func_symbol_hint,
-        replace_by,
-        example_array,
-        func,
-        inserted_arrays);
-
-    replaceArrayRec(
-        e->rhs(),
-        arrays_to_replace,
-        func_symbol_hint,
-        replace_by,
-        example_array,
-        func,
-        inserted_arrays);
-}
-
-static void replaceRegion(SgStatement* st, const map<string, string> &new_region_mapping)
-{
-    if (!st)
-        return;
-
-    if(isSPF_stat(st) && st->variant() == SPF_PARALLEL_REG_DIR)
-    {
-        auto it = new_region_mapping.find(st->symbol()->identifier());
-
-        if (it != new_region_mapping.end())
-            st->setSymbol(*(new SgSymbol(CONST_NAME, it->second.c_str())));
-    }
-}
-
-void mergeRegions(vector<ParallelRegion *> &regions, const map<string, vector<FuncInfo *>> &allFuncInfo)
-{
-    for (const auto *region : regions)
-    {
-        __spf_print(1, "region %s\n", region->GetName().c_str());
-
-        const auto &dirs = region->GetDataDir();
-
-        __spf_print(1, "  distr rules: %d\n", dirs.distrRules.size());
-
-        const auto &currentVariant = region->GetCurrentVariant();
-
-        int distr_idx = 0;
-        for (const auto &distr : dirs.distrRules)
-        {
-            const auto &dist_rule = distr.second.back().distRule;
-
-            string sizes;
-            for (const auto &p : distr.first->GetSizes())
-            {
-                if (!sizes.empty())
-                    sizes.push_back(',');
-
-                sizes += std::to_string(p.first) + ":" + std::to_string(p.second);
-            }
-
-            __spf_print(1, "      DIST %s(%s)", distr.first->GetName().c_str(), sizes.c_str());
-            for (const auto &dim : dist_rule)
-                __spf_print(1, " %c", dim == dist::BLOCK ? 'B' : '*');
-
-            __spf_print(1, "\n");
-            distr_idx++;
-        }
-
-        __spf_print(1, "  align rules: %d\n", dirs.alignRules.size());
-
-        for (const auto &align : dirs.alignRules)
-        {
-            string sub_a, sub_b;
-
-            int i = 0;
-            for (const auto coefs : align.alignRule)
-            {
-                if (!sub_a.empty())
-                    sub_a.push_back(',');
-
-                sub_a += std::to_string(coefs.first) + "*i" +
-                         std::to_string(i) + "+" + std::to_string(coefs.second);
-
-                i++;
-            }
-
-            for (const auto coefs : align.alignRuleWith)
-            {
-                if (!sub_b.empty())
-                    sub_b.push_back(',');
-
-                sub_b += std::to_string(coefs.second.first) + "*i" +
-                         std::to_string(coefs.first) + "+" + std::to_string(coefs.second.second);
-            }
-
-            __spf_print(1, "      ALIGN %s(%s) WITH %s(%s)\n",
-                        align.alignArray->GetName().c_str(), sub_a.c_str(),
-                        align.alignWith->GetName().c_str(), sub_b.c_str());
-        }
-    }
-
-    // parse directives
-
-    // new array name -> current arrays
-    map<string, set<DIST::Array *>> arrays_to_merge;
-    map<DIST::Array *, set<const AlignRule *>> array_alignment;
-
-    for (const auto &by_file : allFuncInfo)
-    {
-        const auto current_file_name = by_file.first;
-
-        if (SgFile::switchToFile(current_file_name) == -1)
-            printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-        for (auto *func_info : by_file.second)
-        {
-            SgStatement *curr_stmt = func_info->funcPointer;
-            if (!curr_stmt)
-                continue;
-
-            auto *stmt_end = curr_stmt->lastDeclaration();
-            if (!stmt_end)
-                continue;
-
-            stmt_end = stmt_end->lexNext();
-
-            for (; curr_stmt && curr_stmt != stmt_end; curr_stmt = curr_stmt->lexNext())
-            {
-                if (curr_stmt->comments())
-                {
-                    vector<pair<string, string>> parsed_mapping;
-                    parseMergeDirective(curr_stmt->comments(), parsed_mapping);
-
-                    for (const auto &p : parsed_mapping)
-                    {
-                        auto *found_array = getArrayFromDeclarated(curr_stmt, p.first);
-                        if (found_array)
-                        {
-                            arrays_to_merge[p.second].insert(found_array);
-                            array_alignment[found_array] = {};
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    // find alignment rules for array
-
-    for (const auto *region : regions)
-    {
-        const auto &dirs = region->GetDataDir();
-
-        for (const auto &align : dirs.alignRules)
-        {
-            auto it = array_alignment.find(align.alignArray);
-
-            if (it != array_alignment.end())
-                it->second.insert(&align);
-        }
-    }
-
-    // old region -> new region
-    map<string, string> new_region_mapping;
-
-    // new array -> new region
-    map<string, string> arrays_new_region_mapping;
-    vector<string> created_region_names;
-
-    for (const auto &by_new_array : arrays_to_merge)
-    {
-        string new_region_name;
-        for (auto *current_array : by_new_array.second)
-        {
-            auto current_array_region = getNonDefaultRegion(current_array);
-            auto it = new_region_mapping.find(current_array_region);
-            if (it != new_region_mapping.end())
-            {
-                if (new_region_name.empty())
-                    new_region_name = it->second;
-                else if (new_region_name != it->second)
-                    printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-            }
-        }
-
-        if (new_region_name.empty())
-        {
-            new_region_name = "merged_reg_" + std::to_string(created_region_names.size());
-            created_region_names.push_back(new_region_name);
-        }
-
-        for (auto *current_array : by_new_array.second)
-        {
-            auto current_array_region = getNonDefaultRegion(current_array);
-            new_region_mapping[current_array_region] = new_region_name;
-        }
-
-        arrays_new_region_mapping[by_new_array.first] = new_region_name;
-    }
-
-    if (!checkSimilarTemplates(regions, new_region_mapping))
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-    map<FuncInfo *, map<string, SgSymbol *>> inserted_arrays;
-
-    for (const auto &by_dest_array : arrays_to_merge)
-    {
-        const auto &copy_arrays = by_dest_array.second;
-
-        if (copy_arrays.empty())
-            printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-        auto *first_element = *copy_arrays.begin();
-        auto first_elem_rules_it = array_alignment.find(first_element);
-
-        if (first_elem_rules_it == array_alignment.end())
-            continue;
-
-        const auto &first_elem_rules = first_elem_rules_it->second;
-
-        for (auto *array_to_merge : copy_arrays)
-        {
-            auto array_rules_it = array_alignment.find(array_to_merge);
-
-            if (array_rules_it == array_alignment.end())
-                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-            const auto &array_rules = array_rules_it->second;
-
-            if (!hasSameSizes(array_to_merge, first_element) || !hasSameAlignment(first_elem_rules, array_rules))
-            {
-                __spf_print(1, "Arrays %s and %s has different sizes or align rules\n",
-                            array_to_merge->GetName().c_str(),
-                            first_element->GetName().c_str());
-
-                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-            }
-        }
-
-        __spf_print(1, "merge into %s (%s):\n", by_dest_array.first.c_str(), arrays_new_region_mapping[by_dest_array.first].c_str());
-        for (auto *array_to_merge : copy_arrays)
-            __spf_print(1, "%s\n", array_to_merge->GetName().c_str());
-
-        auto created_array_info = createNewArray(first_element, by_dest_array.first, allFuncInfo, inserted_arrays);
-
-        set<string> arrays_to_replace;
-        for (auto *array_to_merge : copy_arrays)
-            arrays_to_replace.insert(array_to_merge->GetShortName());
-
-        for (const auto &by_file : allFuncInfo)
-        {
-            if (SgFile::switchToFile(by_file.first) == -1)
-                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-            for (auto *func_info : by_file.second)
-            {
-                SgSymbol *func_symbol_hint = nullptr;
-                SgStatement *st = func_info->funcPointer;
-
-                auto *func_end = st->lastNodeOfStmt();
-
-                st = st->lexNext();
-
-                while (st && !isSgExecutableStatement(st) && st != func_end)
-                    st = st->lexNext();
-
-                while (st && st != func_end)
-                {
-                    for (int i = 0; i < 3; i++)
-                    {
-                        replaceArrayRec(
-                            st->expr(i),
-                            arrays_to_replace,
-                            &func_symbol_hint,
-                            created_array_info,
-                            first_element,
-                            func_info,
-                            inserted_arrays);
-                    }
-
-                    replaceRegion(st, new_region_mapping);
-
-                    st = st->lexNext();
-                }
-            }
-        }
-    }
-}

src/ParallelizationRegions/merge_regions.h

@@ -1,8 +0,0 @@
-#include "../GraphCall/graph_calls.h"
-#include "ParRegions.h"
-
-#include <string>
-#include <vector>
-#include <map>
-
-void mergeRegions(std::vector<ParallelRegion*> &regions, const std::map<std::string, std::vector<FuncInfo*>> &allFuncInfo);

src/ParallelizationRegions/resolve_par_reg_conflicts.cpp

@@ -19,7 +19,6 @@
 #include "SgUtils.h"
 #include "expr_transform.h"
 #include "FunctionPurifying/function_purifying.h"
-#include "uniq_name_creator.h"
 
 using std::map;
 using std::pair;
@@ -72,7 +71,7 @@ static bool isSPF_reg(SgStatement *st)
     return st->variant() == SPF_PARALLEL_REG_DIR || st->variant() == SPF_END_PARALLEL_REG_DIR;
 }
 
-const vector<const Variable*> getArraySynonyms(DIST::Array *array)
+static const vector<const Variable*> getArraySynonyms(DIST::Array *array)
 {
     auto arrayBlock = allUsedCommonArrays.find(array);
     if (arrayBlock == allUsedCommonArrays.end())
@@ -128,16 +127,15 @@ static string getStringDeclaration(SgSymbol *symb)
     return decl;
 }
 
-static void insertStringDeclarations(SgStatement *insertPlace, DIST::Array *array, UniqueNameCreator& unique_name_creator)
+static void insertStringDeclarations(SgStatement *insertPlace, DIST::Array *array)
 {
     auto varsOnPos = getArraySynonyms(array);
     if (varsOnPos.size() && varsOnPos[0]->getName() == array->GetShortName())
     {
-        string newArrName, commName;
-        unique_name_creator.GetUniqueName(array, newArrName, commName);
         SgSymbol *varSymb = varsOnPos[0]->getSymbol();
         string varName = varSymb->identifier();
-        varSymb->changeName(newArrName.c_str());
+        string newName = varName + "_c";
+        varSymb->changeName(newName.c_str());
         string decl = getStringDeclaration(varsOnPos[0]->getSymbol());
         varSymb->changeName(varName.c_str());
         insertPlace->addComment(decl.c_str());
@@ -664,11 +662,12 @@ static void replaceFuncCalls(const ParallelRegionLines &lines, const map<string,
 static map<string, map<DIST::Array*, SgStatement*>> createdCommonBlocks; // file -> array -> new common statement
 static map<string, map<DIST::Array*, pair<SgSymbol*, SgSymbol*>>> createdCommonArrays; // file -> array -> (orig, copy)
 
-static SgStatement* createCommonBlock(SgFile *file, DIST::Array *array, UniqueNameCreator& unique_name_creator)
+static SgStatement* createCommonBlock(SgFile *file, DIST::Array *array)
 {
-    string newArrName, commBlockName;
+    auto varsOnPos = getArraySynonyms(array);
+    if (!varsOnPos.size())
+        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
-    unique_name_creator.GetUniqueName(array, newArrName, commBlockName);
     string fileName = file->filename();
 
     if (SgFile::switchToFile(fileName) != -1)
@@ -684,6 +683,7 @@ static SgStatement* createCommonBlock(SgFile *file, DIST::Array *array, UniqueNa
             // creating new common-block statement
             //TODO: consistence with declaration
             //string commBlockName = checkSymbNameAndCorrect(array->GetShortName() + "_r");
+            string commBlockName = array->GetShortName() + "_r";
             SgStatement *commDecl = new SgStatement(COMM_STAT);
 
             SgSymbol *commSymb = new SgSymbol(VARIABLE_NAME, commBlockName.c_str());
@@ -705,6 +705,7 @@ static SgStatement* createCommonBlock(SgFile *file, DIST::Array *array, UniqueNa
             {
                 //TODO: consistence with declaration
                 //string newArrName = checkSymbNameAndCorrect(varsOnPos[0]->getName() + "_c");
+                string newArrName = varsOnPos[0]->getName() + "_c";
 
                 newArrSymb = new SgSymbol(VARIABLE_NAME, newArrName.c_str(), file->firstStatement());
                 SgType *type = new SgType(T_ARRAY);
@@ -750,7 +751,7 @@ static SgStatement* createCommonBlock(SgFile *file, DIST::Array *array, UniqueNa
 // func -> arrays; funcs where new common statement inserted
 static map<FuncInfo*, set<DIST::Array*>> insertedCommonBlocks;
 
-static void insertCommonBlock(FuncInfo *func, DIST::Array *array, UniqueNameCreator& unique_name_creator)
+static void insertCommonBlock(FuncInfo *func, DIST::Array *array)
 {
     SgFile *file = func->funcPointer->GetOriginal()->getFile();
     SgStatement *insertPlace = NULL;
@@ -766,7 +767,7 @@ static void insertCommonBlock(FuncInfo *func, DIST::Array *array, UniqueNameCrea
     if (!insertPlace)
         insertPlace = func->funcPointer->GetOriginal();
 
-    SgStatement *commDecl = createCommonBlock(file, array, unique_name_creator);
+    SgStatement *commDecl = createCommonBlock(file, array);
     SgStatement *copyDecl = commDecl->copyPtr();
 
     auto st = insertPlace->controlParent();
@@ -778,7 +779,7 @@ static void insertCommonBlock(FuncInfo *func, DIST::Array *array, UniqueNameCrea
     insertPlace->lexNext()->setlineNumber(nextLine);
 
     // create declaration via comment
-    insertStringDeclarations(insertPlace->lexNext(), array, unique_name_creator);
+    insertStringDeclarations(insertPlace->lexNext(), array);
 }
 
 // file -> lines -> arrays; lines where arrays copying is inserted
@@ -1096,7 +1097,6 @@ pair<SgSymbol*, SgSymbol*> copyArray(const pair<string, int> &place,
 static void copyFunction(ParallelRegion *region,
                          FuncInfo *func,
                          const map<string, FuncInfo*> &funcMap,
-                         UniqueNameCreator& unique_name_creator,
                          const string &suffix = "")
 {
     if (SgFile::switchToFile(func->fileName) != -1)
@@ -1146,14 +1146,14 @@ static void copyFunction(ParallelRegion *region,
             if (origStat->variant() == COMM_STAT)
             {
                 for (auto &arrayBlock : allUsedCommonArrays)
-                    createCommonBlock(file, arrayBlock.first, unique_name_creator);
+                    createCommonBlock(file, arrayBlock.first);
 
                 auto usedCommonArrays = region->GetUsedCommonArrays().find(func);
                 if (usedCommonArrays != region->GetUsedCommonArrays().end())
                 {
                     for (auto &arrayLines : usedCommonArrays->second)
                     {
-                        SgStatement *commDecl = createCommonBlock(file, arrayLines.first, unique_name_creator);
+                        SgStatement *commDecl = createCommonBlock(file, arrayLines.first);
                         SgStatement *copyDecl = commDecl->copyPtr();
 
                         while (!isSgExecutableStatement(copyStat) || isSPF_stat(copyStat))
@@ -1163,7 +1163,7 @@ static void copyFunction(ParallelRegion *region,
                         copyStat->insertStmtAfter(*copyDecl, *copyStat->controlParent());
 
                         // making declaration of new common array symbol via comment through files
-                        insertStringDeclarations(copyStat->lexNext(), arrayLines.first, unique_name_creator);
+                        insertStringDeclarations(copyStat->lexNext(), arrayLines.first);
                     }
 
                     auto it = createdCommonArrays.find(file->filename());
@@ -1619,8 +1619,6 @@ int resolveParRegions(vector<ParallelRegion*> &regions, const map<string, vector
     map<string, FuncInfo*> funcMap;
     createMapOfFunc(allFuncInfo, funcMap);
 
-    UniqueNameCreator unique_name_creator(allFuncInfo);
-
     if (sharedMemoryParallelization == 0)
     {
         map<string, map<int, set<string>>> copied;
@@ -1690,7 +1688,7 @@ int resolveParRegions(vector<ParallelRegion*> &regions, const map<string, vector
                                 if (itt == it->second.end() && arrayBlock.first->GetShortName() == varsOnPos[0]->getName())
                                 {
                                     // need to insert common-block
-                                    insertCommonBlock(func, arrayBlock.first, unique_name_creator);
+                                    insertCommonBlock(func, arrayBlock.first);
                                     it->second.insert(arrayBlock.first);
                                 }
                             }
@@ -1783,7 +1781,7 @@ int resolveParRegions(vector<ParallelRegion*> &regions, const map<string, vector
                         if (itt == it->second.end() && arrayBlock.first->GetShortName() == varsOnPos[0]->getName())
                         {
                             // need to insert common-block
-                            insertCommonBlock(func, arrayBlock.first, unique_name_creator);
+                            insertCommonBlock(func, arrayBlock.first);
                             it->second.insert(arrayBlock.first);
                         }
                     }
@@ -1815,7 +1813,7 @@ int resolveParRegions(vector<ParallelRegion*> &regions, const map<string, vector
                     if (usedCommonArrays != region->GetUsedCommonArrays().end())
                     {
                         for (auto &arrayBlock : allUsedCommonArrays)
-                            createCommonBlock(file, arrayBlock.first, unique_name_creator);
+                            createCommonBlock(file, arrayBlock.first);
 
                         auto it = insertedCommonBlocks.find(func);
                         if (it == insertedCommonBlocks.end())
@@ -1827,7 +1825,7 @@ int resolveParRegions(vector<ParallelRegion*> &regions, const map<string, vector
                             if (itt == it->second.end())
                             {
                                 // need to insert common-block
-                                insertCommonBlock(func, arrayLines.first, unique_name_creator);
+                                insertCommonBlock(func, arrayLines.first);
                                 it->second.insert(arrayLines.first);
 
                                 // replace common arrays to new common arrays in executable code section
@@ -1860,7 +1858,7 @@ int resolveParRegions(vector<ParallelRegion*> &regions, const map<string, vector
                     // need copy function for every region, the exeption is defalut region
                     for (auto &regionId : func->callRegions)
                         if (regionId)
-                            copyFunction(getRegionById(regions, regionId), func, funcMap, unique_name_creator, string("_r") + to_string(regionId));
+                            copyFunction(getRegionById(regions, regionId), func, funcMap, string("_r") + to_string(regionId));
                 }
             }
         }

src/ParallelizationRegions/resolve_par_reg_conflicts.h

@@ -21,6 +21,4 @@ std::pair<SgSymbol*, SgSymbol*> copyArray(const std::pair<std::string, int>& pla
                                           const std::string& suffix,
                                           std::string& filename,
                                           std::map<std::string, std::map<int, std::set<std::string>>>& newDeclsToInclude,
-                                          std::map<std::string, std::map<int, std::set<std::string>>>& copied);
-
-const std::vector<const Variable*> getArraySynonyms(DIST::Array* array);
+                                          std::map<std::string, std::map<int, std::set<std::string>>>& copied);

src/ParallelizationRegions/uniq_name_creator.cpp

@@ -1,98 +0,0 @@
-#include "leak_detector.h"
-
-#include <set>
-#include <map>
-#include <string>
-
-#include "SgUtils.h"
-#include "uniq_name_creator.h"
-#include "resolve_par_reg_conflicts.h"
-
-using namespace::std;
-
-static const string COMMON_ARRAY_SUFFIX = "_c";
-static const string COMMON_BLOCK_SUFFIX = "_r";
-
-void UniqueNameCreator::GetSymbolsRec(SgExpression* exp, set<string>& add_to)
-{
-    if (!exp)
-        return;
-
-    if (isArrayRef(exp) && exp->symbol() && exp->symbol()->identifier())
-        add_to.emplace(exp->symbol()->identifier());
-
-    GetSymbolsRec(exp->lhs(), add_to);
-    GetSymbolsRec(exp->rhs(), add_to);
-}
-
-void UniqueNameCreator::FillDeclarations()
-{
-    allDeclarations.clear();
-    auto* file_before = current_file;
-
-    for (const auto& by_file : funcInfo)
-    {
-        if (SgFile::switchToFile(by_file.first) != -1)
-        {
-            for (const auto* by_func : by_file.second)
-            {
-                SgStatement* st = by_func->funcPointer;
-
-                if (st)
-                    st = st->lexNext();
-
-                while (st)
-                {
-                    for (int i = 0; i < 3; i++)
-                        GetSymbolsRec(st->expr(i), allDeclarations);
-
-                    st = st->lexNext();
-                }
-            }
-        }
-        else
-            printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-    }
-
-    SgFile::switchToFile(file_before->filename());
-    declarationsAnalyzed = true;
-}
-
-void UniqueNameCreator::GetUniqueName(DIST::Array* array, string& array_name, string& common_block_name)
-{
-    auto varsOnPos = getArraySynonyms(array);
-    if (!varsOnPos.size())
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-    auto array_plain_name = varsOnPos[0]->getName();
-
-    auto it = generatedNames.find(array);
-    if (it != generatedNames.end())
-    {
-        array_name.assign(it->second.first);
-        common_block_name.assign(it->second.second);
-        return;
-    }
-
-    if (!declarationsAnalyzed)
-        FillDeclarations();
-
-    int v = 1;
-    auto created_array_name = array_plain_name + COMMON_ARRAY_SUFFIX;
-    auto created_common_name = array_plain_name + COMMON_BLOCK_SUFFIX;
-
-    while (allDeclarations.find(created_array_name) != allDeclarations.end() ||
-        allDeclarations.find(created_common_name) != allDeclarations.end())
-    {
-        created_array_name = array_plain_name + "_v" + std::to_string(v) + COMMON_ARRAY_SUFFIX;
-        created_common_name = array_plain_name + "_v" + std::to_string(v) + COMMON_BLOCK_SUFFIX;
-        v++;
-    }
-
-    allDeclarations.insert(created_array_name);
-    allDeclarations.insert(created_common_name);
-    generatedNames.emplace(array, std::make_pair(created_array_name, created_common_name));
-
-    array_name.assign(created_array_name);
-    common_block_name.assign(created_common_name);
-}

src/ParallelizationRegions/uniq_name_creator.h

@@ -1,26 +0,0 @@
-#pragma once
-
-#include <map>
-#include <set>
-#include <string>
-#include "GraphCall/graph_calls.h"
-
-class UniqueNameCreator
-{
-    std::map<std::string, std::vector<FuncInfo*>> funcInfo;
-    std::set<std::string> allDeclarations;
-    bool declarationsAnalyzed = false;
-    std::map<const DIST::Array*, std::pair<std::string, std::string>> generatedNames;
-
-    static void GetSymbolsRec(SgExpression* exp, std::set<std::string>& add_to);
-    void FillDeclarations();
-
-public:
-    UniqueNameCreator(const std::map<std::string, std::vector<FuncInfo*>>& allFuncInfo)
-    {
-        declarationsAnalyzed = false;
-        funcInfo = allFuncInfo;
-    }
-
-    void GetUniqueName(DIST::Array* array, std::string& array_name, std::string& common_block_name);
-};

src/Predictor/PredictScheme.cpp

@@ -33,7 +33,6 @@ using std::set;
 using std::ofstream;
 using std::pair;
 using std::tuple;
-using SAPFOR::CFG_Settings;
 
 using json = nlohmann::json;
 
@@ -327,7 +326,7 @@ static json parseAlign(const map<DIST::Array*, int>& byPos, SgSymbol* srcArr, Sg
         list = list->rhs();
     }
 
-    vector<pair<int, int>> coeffs(srcSymbs.size());
+    vector<pair<int, int>> coefs(srcSymbs.size());
     list = listTgt;
     while (list)
     {
@@ -338,8 +337,8 @@ static json parseAlign(const map<DIST::Array*, int>& byPos, SgSymbol* srcArr, Sg
             has = recSymbolFind(exp, srcSymbs[z].first, VAR_REF);
             if (has)
             {
-                getCoefsOfSubscript(coeffs[z], exp, srcSymbs[z].second);
-                if (coeffs[z].first == 0)
+                getCoefsOfSubscript(coefs[z], exp, srcSymbs[z].second);
+                if (coefs[z].first == 0)
                     printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
                 break;
             }
@@ -347,14 +346,14 @@ static json parseAlign(const map<DIST::Array*, int>& byPos, SgSymbol* srcArr, Sg
         list = list->rhs();
     }
 
-    for (int z = 0; z < coeffs.size(); ++z)
+    for (int z = 0; z < coefs.size(); ++z)
     {
-        if (coeffs[z].first == 0)
+        if (coefs[z].first == 0)
             continue;
-        if (coeffs[z].second)
-            align["rules"].push_back({ z, coeffs[z].first });
+        if (coefs[z].second)
+            align["rules"].push_back({ z, coefs[z].first });
         else
-            align["rules"].push_back({ z, coeffs[z].first, coeffs[z].second });
+            align["rules"].push_back({ z, coefs[z].first, coefs[z].second });
     }
     return align;
 }
@@ -508,8 +507,7 @@ static void parallelDir(const map<DIST::Array*, int>& byPos, SgExpression* spec,
     if (currF == NULL)
         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
-    const auto settings = CFG_Settings({ CFG_Settings::CFG_atLeastOneIterInLoop, CFG_Settings::CFG_withSPF, CFG_Settings::CFG_withDominators });
-    auto cfg = buildCFGforCurrentFunc(func, settings, commonBlocks, allFuncInfo);
+    auto cfg = buildCFGforCurrentFunc(func, SAPFOR::CFG_Settings(true, false, false, true, false, false, true), commonBlocks, allFuncInfo);
     //TODO IP analysis
         
     unsigned countOfAccess = 0;

src/PrivateAnalyzer/private_arrays_search.cpp

@@ -1,4 +1,3 @@
-#include <algorithm>
 #include <map>
 #include <unordered_set>
 #include <unordered_map>
@@ -7,133 +6,55 @@
 #include <numeric>
 #include <iostream>
 
-#include "ArrayConstantPropagation/propagation.h"
-#include "CFGraph/CFGraph.h"
-#include "Distribution/Array.h"
-#include "graph_loops.h"
 #include "private_arrays_search.h"
 #include "range_structures.h"
 #include "region.h"
 #include "SgUtils.h"
-#include "utils.h"
-#include "Utils/AstWrapper.h"
+#include "graph_loops.h"
+#include "CFGraph/CFGraph.h"
 
 using namespace std;
 
-extern std::map<std::tuple<int, std::string, std::string>, std::pair<DIST::Array*, DIST::ArrayAccessInfo*>> declaredArrays;
-
-extern unordered_set<SgStatement*> statementsToRemove;
-extern unordered_map<string, vector<pair<SgStatement*, SgStatement*>>> expToChange;
-
-static unordered_set<Region*> collapsed;
-
-static void RemoveEmptyPoints(ArrayAccessingIndexes& container)
-{
-    ArrayAccessingIndexes resultContainer;
-    unordered_set<string> toRemove;
-
-    for (auto& [arrayName, accessingSet] : container)
-    {
-        vector<vector<ArrayDimension>> points;
-        for (auto& arrayPoint : accessingSet.GetElements())
-        {
-            if (!arrayPoint.empty())
-                points.push_back(arrayPoint);
-        }
-
-        if (!points.empty())
-            resultContainer[arrayName] = points;
-        else
-            toRemove.insert(arrayName);
-    }
-
-    for (const string& name : toRemove)
-        container.erase(name);
-
-    for (auto& [arrayName, accessingSet] : resultContainer)
-        container[arrayName] = accessingSet;
-}
-
 static void Collapse(Region* region)
 {
     if (region->getBasickBlocks().empty())
         return;
 
-    bool firstRegion = true;
-    for (Region* basickBlock : region->getBasickBlocks())
+    for (auto& [arrayName, arrayRanges] : region->getHeader()->array_out)
     {
-        if (basickBlock->getNextRegions().empty())
+        for (Region* byBlock : region->getBasickBlocks())
         {
-            if (firstRegion)
-            {
-                region->array_def = basickBlock->array_out;
-                firstRegion = false;
-            }
-            else
-            {
-                unordered_set<string> toErease;
-                for (auto& [arrayName, arrayRanges] : region->array_def)
-                {
-                    if (basickBlock->array_out.find(arrayName) != basickBlock->array_out.end())
-                        arrayRanges = arrayRanges.Intersect(basickBlock->array_out[arrayName]);
-                    else
-                    {
-                        arrayRanges = AccessingSet();
-                        toErease.insert(arrayName);
-                    }
-                }
-                for (string arrayName : toErease)
-                    region->array_def.erase(arrayName);
-            }
+            AccessingSet intersection = byBlock->array_def[arrayName].Intersect(arrayRanges);
+            region->array_def[arrayName] = region->array_def[arrayName].Union(intersection);
         }
     }
 
-    RegionInstruction instruction;
-    instruction.def = move(region->array_def);
-
-
-    for (auto& byBlock : region->getBasickBlocks())
+    for (auto& byBlock : region->getBasickBlocks()) 
     {
-        for (auto& instruction : byBlock->instructions)
+        for (auto& [arrayName, arrayRanges] : byBlock->array_use)
         {
-            for (auto& [arrayName, _] : instruction.use)
-            {
-                AccessingSet diff = instruction.use[arrayName].Diff(instruction.in[arrayName]);
-                region->array_use[arrayName] = region->array_use[arrayName].Union(diff);
-            }
+            AccessingSet diff = byBlock->array_use[arrayName].Diff(byBlock->array_in[arrayName]);
+            region->array_use[arrayName] = region->array_use[arrayName].Union(diff);
         }
     }
-
-    ArrayAccessingIndexes useUnionB;
+    ArrayAccessingIndexes useUnion;
     for (auto& byBlock : region->getBasickBlocks())
-        for (auto& instruction : byBlock->instructions)
-            for (auto& [arrayName, _] : instruction.use)
-                useUnionB[arrayName] = useUnionB[arrayName].Union(instruction.use[arrayName]);
+        for (auto& [arrayName, arrayRanges] : byBlock->array_use)
+            useUnion[arrayName] = useUnion[arrayName].Union(byBlock->array_use[arrayName]);
 
-    for (auto& [arrayName, _] : useUnionB)
-        region->array_priv[arrayName] = useUnionB[arrayName].Diff(region->array_use[arrayName]);
-
-    instruction.use = move(region->array_use);
-
-    for (Region* prevBlock : region->getHeader()->getPrevRegions())
-    {
+    for (auto& [arrayName, arrayRanges] : useUnion)
+        region->array_priv[arrayName] = useUnion[arrayName].Diff(region->array_use[arrayName]);
+    
+    for (Region* prevBlock : region->getHeader()->getPrevRegions()) 
         prevBlock->replaceInNextRegions(region, region->getHeader());
-        region->addPrevRegion(prevBlock);
-    }
-
+    
     for (Region* nextBlock : region->getHeader()->getNextRegions())
-    {
         nextBlock->replaceInPrevRegions(region, region->getHeader());
-        region->addNextRegion(nextBlock);
-    }
-    region->instructions.push_back(instruction);
-
 }
 
-static void SolveDataFlowIteratively(Region* DFG)
+static void SolveDataFlowIteratively(Region* DFG) 
 {
-    auto blocks = DFG->getBasickBlocks();
-    std::unordered_set<Region*> worklist(blocks.begin(), blocks.end());
+    unordered_set<Region*> worklist(DFG->getBasickBlocks());
     do
     {
         Region* b = *worklist.begin();
@@ -151,13 +72,12 @@ static void SolveDataFlowIteratively(Region* DFG)
                 if (prevBlock->array_out.empty())
                 {
                     newIn.clear();
-                    break;
+                    continue;
                 }
-
                 for (const auto& [arrayName, accessSet] : prevBlock->array_out)
                 {
                     if (newIn.find(arrayName) != newIn.end())
-                        newIn[arrayName] = newIn[arrayName].Intersect(accessSet);
+                        newIn[arrayName] = newIn[arrayName].Intersect(accessSet);                    
                     else
                         newIn[arrayName] = AccessingSet();
                 }
@@ -166,8 +86,7 @@ static void SolveDataFlowIteratively(Region* DFG)
 
         b->array_in = move(newIn);
         ArrayAccessingIndexes newOut;
-
-        if (b->array_def.empty())
+        if (b->array_def.empty())        
             newOut = b->array_in;
         else if (b->array_in.empty())
             newOut = b->array_def;
@@ -183,299 +102,40 @@ static void SolveDataFlowIteratively(Region* DFG)
         }
 
         /* can not differ */
-        if (newOut != b->array_out)
+        if (newOut != b->array_out) 
             b->array_out = newOut;
         else
             worklist.erase(b);
-    } while (!worklist.empty());
-}
-
-static void SolveForBasickBlock(Region* block)
-{
-    ArrayAccessingIndexes newIn;
-    bool flagFirst = true;
-    for (Region* prevBlock : block->getPrevRegions())
-    {
-        if (flagFirst)
-        {
-            newIn = prevBlock->array_out;
-            flagFirst = false;
-        }
-        else
-        {
-            if (prevBlock->array_out.empty())
-            {
-                newIn.clear();
-                break;
-            }
-
-            for (const auto& [arrayName, accessSet] : prevBlock->array_out)
-            {
-                if (newIn.find(arrayName) != newIn.end())
-                    newIn[arrayName] = newIn[arrayName].Intersect(accessSet);
-                else
-                    newIn[arrayName] = AccessingSet();
-            }
-        }
-    }
-
-    if (block->instructions.empty())
-        block->instructions.push_back(RegionInstruction());
-
-    block->instructions[0].in = move(newIn);
-
-    for (int i = 0; i < block->instructions.size(); i++)
-    {
-        auto& instruction = block->instructions[i];
-
-        if (i > 0)
-            instruction.in = block->instructions[i - 1].out;
-
-        ArrayAccessingIndexes newOut;
-        if (instruction.def.empty())
-            newOut = instruction.in;
-        else if (instruction.in.empty())
-            newOut = instruction.def;
-        else
-        {
-            for (auto& [arrayName, accessSet] : instruction.def)
-            {
-                if (instruction.in.find(arrayName) != instruction.in.end())
-                    newOut[arrayName] = instruction.def[arrayName].Union(instruction.in[arrayName]);
-                else
-                    newOut[arrayName] = accessSet;
-            }
-            for (auto& [arrayName, accessSet] : instruction.in)
-            {
-                if (newOut.find(arrayName) == newOut.end())
-                {
-                    newOut[arrayName] = accessSet;
-                }
-            }
-        }
-
-        instruction.out = move(newOut);
-    }
-    if (!block->instructions.empty())
-        block->array_out = block->instructions.back().out;
-}
-
-static void SolveDataFlowTopologically(Region* DFG)
-{
-    for (Region* b : DFG->getBasickBlocks())
-    {
-        collapsed.insert(b);
-        SolveForBasickBlock(b);
-    }
+    } 
+    while (!worklist.empty());
 }
 
 static void SolveDataFlow(Region* DFG)
 {
     if (!DFG)
         return;
+
+    SolveDataFlowIteratively(DFG);
     for (Region* subRegion : DFG->getSubRegions())
-    {
         SolveDataFlow(subRegion);
-        DFG->addBasickBlocks(subRegion);
-    }
-    vector<Region*>& blocks = DFG->getBasickBlocks();
-    auto pos = remove_if(blocks.begin(), blocks.end(), [](Region* r) { return collapsed.find(r) != collapsed.end(); });
-    blocks.erase(pos, blocks.end());
-    TopologySort(DFG->getBasickBlocks(), DFG->getHeader());
-    SolveDataFlowTopologically(DFG);
     Collapse(DFG);
 }
 
-static bool getArrayDeclaredDimensions(SgArrayRefExp* arrayRef, vector<uint64_t>& declaredDims)
-{
-    if (!arrayRef || !arrayRef->symbol() || !isSgArrayType(arrayRef->symbol()->type()))
-        return false;
-    SgArrayType* arrayType = (SgArrayType*)arrayRef->symbol()->type();
-    int dimCount = arrayType->dimension();
-    for (int i = 0; i < dimCount; i++)
-    {
-        SgExpression* sizeExpr = arrayType->sizeInDim(i);
-        SgConstantSymb* constValSymb = isSgConstantSymb(sizeExpr->symbol());
-        SgSubscriptExp* subscriptExpr = isSgSubscriptExp(sizeExpr);
-        uint64_t dimLength;
-        if (sizeExpr && sizeExpr->variant() == INT_VAL)
-            dimLength = stol(sizeExpr->unparse());
-        else if (constValSymb)
-            dimLength = stol(constValSymb->constantValue()->unparse());
-        else if (subscriptExpr)
-        {
-            dimLength = stol(subscriptExpr->rhs()->unparse()) - stol(subscriptExpr->lhs()->unparse());
-        }
-        else
-            return false;
-
-        if (dimLength == 0)
-            return false;
-        declaredDims.push_back(dimLength);
-    }
-    return true;
-}
-
-static DIST::Array* getDistArrayBySymbol(SgSymbol* arrSym)
-{
-    if (!arrSym)
-        return nullptr;
-    for (auto& [key, val] : declaredArrays)
-    {
-        DIST::Array* distArr = val.first;
-        if (!distArr)
-            continue;
-        Symbol* declSym = distArr->GetDeclSymbol();
-        if (!declSym)
-            continue;
-        SgSymbol* sgDecl = declSym->GetOriginal();
-        if (sgDecl && isEqSymbols(sgDecl, arrSym))
-            return distArr;
-    }
-    return nullptr;
-}
-
-static bool CheckDimensionLength(const AccessingSet& array)
-{
-    if (array.GetElements().empty())
-        return false;
-    size_t dimCount = array.GetElements()[0].size();
-    SgArrayRefExp* arrayRef = array.GetElements()[0][0].array;
-    if (!arrayRef || !arrayRef->symbol())
-        return false;
-
-    vector<uint64_t> declaredDims;
-    declaredDims.reserve(dimCount);
-
-    DIST::Array* distArr = getDistArrayBySymbol(arrayRef->symbol());
-    if (distArr && distArr->GetDimSize() == (int)dimCount)
-    {
-        const auto& sizes = distArr->GetSizes();
-        bool valid = true;
-        for (size_t i = 0; i < dimCount && valid; ++i)
-        {
-            int lo = sizes[i].first;
-            int hi = sizes[i].second;
-            if (lo > hi)
-                valid = false;
-            else
-                declaredDims.push_back((uint64_t)(hi - lo + 1));
-        }
-        if (valid && declaredDims.size() == dimCount)
-        {
-            vector<ArrayDimension> testArray(dimCount);
-            for (size_t i = 0; i < dimCount; i++)
-                testArray[i] = { 1, 1, declaredDims[i], nullptr };
-            return AccessingSet({ testArray }).Diff(array).GetElements().empty();
-        }
-    }
-
-    return false;
-}
-
-static void AddPrivateArraysToLoop(LoopGraph* loop, const ArrayAccessingIndexes& privates, set<SgStatement*>& insertedPrivates)
-{
-    SgStatement* spfStat = new SgStatement(SPF_ANALYSIS_DIR);
-    spfStat->setlineNumber(loop->loop->lineNumber());
-    spfStat->setFileName(loop->loop->fileName());
-    SgExpression* toAdd = new SgExpression(EXPR_LIST, new SgExpression(ACC_PRIVATE_OP), NULL, NULL);
-    set<SgSymbol*> arraysToInsert;
-    std::cout << "First bp\n";
-    for (const auto& [_, accessingSet] : privates)
-    {
-        if (!CheckDimensionLength(accessingSet))
-            continue;
-        for (const auto& arrayElement : accessingSet.GetElements())
-        {
-            if (arrayElement.empty())
-                continue;
-            arraysToInsert.insert(arrayElement[0].array->symbol());
-        }
-    }
-
-    spfStat->setExpression(0, *toAdd);
-    toAdd = toAdd->lhs();
-    bool first = true;
-    for (auto& elem : arraysToInsert)
-    {
-        if (first)
-        {
-            toAdd->setLhs(new SgExpression(EXPR_LIST));
-            toAdd = toAdd->lhs();
-            first = false;
-        }
-        else
-        {
-            toAdd->setRhs(new SgExpression(EXPR_LIST));
-            toAdd = toAdd->rhs();
-        }
-        toAdd->setLhs(new SgVarRefExp(elem));
-    }
-
-    if (arraysToInsert.size() != 0)
-    {
-        loop->loop->insertStmtBefore(*spfStat, *loop->loop->controlParent());
-        insertedPrivates.insert(spfStat);
-    }
-}
-
-void findPrivateArrays(map<string, vector<LoopGraph*>>& loopGraph, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR, set<SgStatement*>& insertedPrivates)
-{
+map<LoopGraph*, ArrayAccessingIndexes>  FindPrivateArrays(map<string, vector<LoopGraph*>> &loopGraph, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR)
+{  
     map<LoopGraph*, ArrayAccessingIndexes> result;
-    for (const auto& [fileName, loops] : loopGraph)
+    for (const auto& [loopName, loops] : loopGraph)
     {
-        SgFile::switchToFile(fileName);
         for (const auto& loop : loops)
         {
-            if (!loop->isFor())
-                continue;
-            SgStatement* search_func = loop->loop->GetOriginal();
-
-            while (search_func && (!isSgProgHedrStmt(search_func)))
-                search_func = search_func->controlParent();
-
-            for (const auto& [funcInfo, blocks] : FullIR)
-            {
-                if (funcInfo->fileName == fileName && funcInfo->funcPointer->GetOriginal() == search_func)
-                {
-                    Region* loopRegion;
-                    try
-                    {
-                        loopRegion = new Region(loop, blocks);
-                    }
-                    catch (...)
-                    {
-                        continue;
-                    }
-                    if (loopRegion->getBasickBlocks().size() <= 1)
-                    {
-                        delete(loopRegion);
-                        continue;
-                    }
-                    SolveDataFlow(loopRegion);
-                    RemoveEmptyPoints(loopRegion->array_priv);
-                    result[loop] = loopRegion->array_priv;
-                    delete(loopRegion);
-                }
+            for (const auto& [funcInfo, blocks]: FullIR)
+            {   
+                Region* loopRegion = new Region(loop, blocks);
+                SolveDataFlow(loopRegion);
+                result[loop] = loopRegion->array_priv;
+                delete(loopRegion);
             }
-            if (result.find(loop) != result.end() && !result[loop].empty())
-                AddPrivateArraysToLoop(loop, result[loop], insertedPrivates);
         }
     }
-
-    for (SgStatement* st : statementsToRemove)
-    {
-        SgFile::switchToFile(st->fileName());
-        st->deleteStmt();
-    }
-
-    for (auto& [filename, statements] : expToChange)
-    {
-        SgFile::switchToFile(filename);
-        for (auto& [statement, statementCopy] : statements) 
-        {
-            statement->insertStmtBefore(*statementCopy, *statement->controlParent());
-            statement->deleteStmt();
-        }
-    }
-}
+    return result;
+}

src/PrivateAnalyzer/private_arrays_search.h

@@ -2,11 +2,11 @@
 
 #include <vector>
 #include <map>
-#include <set>
 #include <unordered_set>
 
 #include "range_structures.h"
 #include "graph_loops.h"
 #include "CFGraph/CFGraph.h"
 
-void findPrivateArrays(std::map<std::string, std::vector<LoopGraph*>>& loopGraph, std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR, std::set<SgStatement*>& insertedPrivates);
+std::map<LoopGraph*, ArrayAccessingIndexes> FindPrivateArrays(std::map<std::string, std::vector<LoopGraph*>>& loopGraph, std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR);
+std::pair<SAPFOR::BasicBlock*, std::unordered_set<SAPFOR::BasicBlock*>> GetBasicBlocksForLoop(const LoopGraph* loop, const std::vector<SAPFOR::BasicBlock*> blocks);

src/PrivateAnalyzer/range_structures.cpp

@@ -29,7 +29,7 @@ static ArrayDimension* DimensionIntersection(const ArrayDimension& dim1, const A
     vector<uint64_t> partSolution = FindParticularSolution(dim1, dim2);
     if (partSolution.empty())
         return NULL;
-
+    
     int64_t x0 = partSolution[0], y0 = partSolution[1];
     /* x = x_0 + c * t */
     /* y = y_0 + d * t */
@@ -44,10 +44,10 @@ static ArrayDimension* DimensionIntersection(const ArrayDimension& dim1, const A
     uint64_t tMax = min(tXMax, tYMax);
     if (tMin > tMax)
         return NULL;
-
+    
     uint64_t start3 = dim1.start + x0 * dim1.step;
     uint64_t step3 = c * dim1.step;
-    ArrayDimension* result = new(ArrayDimension){ start3, step3, tMax + 1 , dim1.array };
+    ArrayDimension* result = new(ArrayDimension){ start3, step3, tMax + 1 };
     return result;
 }
 
@@ -57,20 +57,25 @@ static vector<ArrayDimension> DimensionDifference(const ArrayDimension& dim1, co
     ArrayDimension* intersection = DimensionIntersection(dim1, dim2);
     if (!intersection)
         return { dim1 };
-
+    
     vector<ArrayDimension> result;
     /* add the part before intersection */
-    if (dim1.start < intersection->start)
-        result.push_back({ dim1.start, dim1.step, (intersection->start - dim1.start) / dim1.step, dim1.array });
-
+    if (dim1.start < intersection->start)    
+        result.push_back({ dim1.start, dim1.step, (intersection->start - dim1.start) / dim1.step });
+    
     /* add the parts between intersection steps */
-    if (intersection->step > dim1.step)
+    uint64_t start = (intersection->start - dim1.start) / dim1.step;
+    uint64_t interValue = intersection->start;
+    for (int64_t i = start; dim1.start + i * dim1.step <= intersection->start + intersection->step * (intersection->tripCount - 1); i++)
     {
-        uint64_t start = (intersection->start - dim1.start) / dim1.step;
-        uint64_t interValue = intersection->start;
-        for (int64_t i = start; interValue <= intersection->start + intersection->step * (intersection->tripCount - 1); i++)
+        uint64_t centerValue = dim1.start + i * dim1.step;
+        if (centerValue == interValue)
         {
-            result.push_back({ interValue + dim1.step, dim1.step, intersection->step / dim1.step, dim1.array });
+            if (i - start > 1)
+            {
+                result.push_back({ dim1.start + (start + 1) * dim1.step, dim1.step, i - start - 1 });
+                start = i;
+            }
             interValue += intersection->step;
         }
     }
@@ -80,7 +85,7 @@ static vector<ArrayDimension> DimensionDifference(const ArrayDimension& dim1, co
         /* first value after intersection */
         uint64_t right_start = intersection->start + intersection->step * (intersection->tripCount - 1) + dim1.step;
         uint64_t tripCount = (dim1.start + dim1.step * dim1.tripCount - right_start) / dim1.step;
-        result.push_back({ right_start, dim1.step, tripCount, dim1.array });
+        result.push_back({ right_start, dim1.step, tripCount });
     }
     delete(intersection);
     return result;
@@ -109,7 +114,7 @@ static vector<ArrayDimension> ElementsIntersection(const vector<ArrayDimension>&
 {
     if (firstElement.empty() || secondElement.empty())
         return {};
-
+    
     size_t dimAmount = firstElement.size();
     /* check if there is no intersecction */
     for (size_t i = 0; i < dimAmount; i++)
@@ -132,16 +137,14 @@ static vector<ArrayDimension> ElementsIntersection(const vector<ArrayDimension>&
 static vector<vector<ArrayDimension>> ElementsDifference(const vector<ArrayDimension>& firstElement,
     const vector<ArrayDimension>& secondElement)
 {
-    if (firstElement.empty())
+    if (firstElement.empty() || secondElement.empty())
         return {};
-    if (secondElement.empty())
-        return { firstElement };
-
+    
     vector<ArrayDimension> intersection = ElementsIntersection(firstElement, secondElement);
     vector<vector<ArrayDimension>> result;
     if (intersection.empty())
         return { firstElement };
-
+    
     for (int i = 0; i < firstElement.size(); i++)
     {
         auto dimDiff = DimensionDifference(firstElement[i], secondElement[i]);
@@ -190,7 +193,7 @@ bool AccessingSet::ContainsElement(const vector<ArrayDimension>& element) const
 {
     vector<vector<ArrayDimension>> tails;
     FindUncovered(element, tails);
-    return tails.empty();
+    return !tails.empty();
 }
 
 void AccessingSet::FindCoveredBy(const vector<ArrayDimension>& element, vector<vector<ArrayDimension>>& result) const
@@ -213,10 +216,6 @@ void AccessingSet::Insert(const vector<ArrayDimension>& element)
 }
 
 AccessingSet AccessingSet::Union(const AccessingSet& source) {
-    if (source.GetElements().empty())
-        return *this;
-    if (allElements.empty())
-        return source;
     AccessingSet result;
     for (auto& element : source.GetElements())
         result.Insert(element);
@@ -254,15 +253,13 @@ AccessingSet AccessingSet::Diff(const AccessingSet& secondSet) const
         return *this;
 
     AccessingSet intersection = this->Intersect(secondSet);
-    vector<vector<ArrayDimension>> uncovered;
-    for (const auto& element : allElements)
+    AccessingSet uncovered = *this;
+    vector<vector<ArrayDimension>> result;
+    for (const auto& element : intersection.GetElements())
     {
         vector<vector<ArrayDimension>> current_uncovered;
-        intersection.FindUncovered(element, current_uncovered);
-        uncovered.insert(uncovered.end(),
-            std::move_iterator(current_uncovered.begin()),
-            std::move_iterator(current_uncovered.end())
-        );
+        uncovered.FindUncovered(element, current_uncovered);
+        uncovered = AccessingSet(current_uncovered);
     }
     return uncovered;
 }
@@ -293,4 +290,4 @@ bool operator!=(const ArrayAccessingIndexes& lhs, const ArrayAccessingIndexes& r
             return true;
 
     return false;
-}
+}

src/PrivateAnalyzer/range_structures.h

@@ -6,12 +6,9 @@
 #include <string>
 #include <cstdint>
 
-#include "SgUtils.h"
-
 struct ArrayDimension
 {
     uint64_t start, step, tripCount;
-    SgArrayRefExp* array;
 };
 
 class AccessingSet {

src/PrivateAnalyzer/region.cpp

@@ -1,14 +1,13 @@
-#include <algorithm>
-#include <vector>
-#include <map>
-#include <unordered_set>
-#include <unordered_map>
-#include <string>
+#include<vector>
+#include<map>
+#include<unordered_set>
+#include<unordered_map>
+#include<string>
 #include <numeric>
-#include <iostream>
 
 #include "range_structures.h"
 #include "region.h"
+
 #include "SgUtils.h"
 
 using namespace std;
@@ -23,7 +22,7 @@ static bool isParentStmt(SgStatement* stmt, SgStatement* parent)
 }
 
 /*returns head block and loop*/
-static pair<SAPFOR::BasicBlock*, unordered_set<SAPFOR::BasicBlock*>> GetBasicBlocksForLoop(const LoopGraph* loop, const vector<SAPFOR::BasicBlock*> blocks)
+pair<SAPFOR::BasicBlock*, unordered_set<SAPFOR::BasicBlock*>> GetBasicBlocksForLoop(const LoopGraph* loop, const vector<SAPFOR::BasicBlock*> blocks)
 {
     unordered_set<SAPFOR::BasicBlock*> block_loop;
     SAPFOR::BasicBlock* head_block = nullptr;
@@ -62,14 +61,14 @@ static void BuildLoopIndex(map<string, LoopGraph*>& loopForIndex, LoopGraph* loo
 static string FindIndexName(int pos, SAPFOR::BasicBlock* block, map<string, LoopGraph*>& loopForIndex) {
     unordered_set<SAPFOR::Argument*> args = { block->getInstructions()[pos]->getInstruction()->getArg1() };
 
-    for (int i = pos - 1; i >= 0; i--)
+    for (int i = pos - 1; i >= 0; i--) 
     {
         SAPFOR::Argument* res = block->getInstructions()[i]->getInstruction()->getResult();
-        if (res && args.find(res) != args.end())
+        if (res && args.find(res) != args.end()) 
         {
             SAPFOR::Argument* arg1 = block->getInstructions()[i]->getInstruction()->getArg1();
             SAPFOR::Argument* arg2 = block->getInstructions()[i]->getInstruction()->getArg2();
-            if (arg1)
+            if (arg1) 
             {
                 string name = arg1->getValue();
                 int idx = name.find('%');
@@ -93,7 +92,7 @@ static string FindIndexName(int pos, SAPFOR::BasicBlock* block, map<string, Loop
     return "";
 }
 
-static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAccessingIndexes& def, ArrayAccessingIndexes& use, Region* region) {
+static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAccessingIndexes& def, ArrayAccessingIndexes& use) {
     auto instructions = block->getInstructions();
     map<string, LoopGraph*> loopForIndex;
     BuildLoopIndex(loopForIndex, loop);
@@ -105,37 +104,15 @@ static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAcces
 
         auto operation = instruction->getInstruction()->getOperation();
         auto type = instruction->getInstruction()->getArg1()->getType();
-        if (operation == SAPFOR::CFG_OP::ASSIGN && instruction->getInstruction()->getResult()->getType() == SAPFOR::CFG_ARG_TYPE::ARRAY)
-        {
-            SgStatement* op = instruction->getInstruction()->getOperator();
-            if (op && op->expr(0) && isArrayRef(op->expr(0)) && op->expr(0)->symbol() && op->expr(0)->type())
-            {
-                if (isSgArrayType(op->expr(0)->symbol()->type()))
-                {
-                    SgArrayType* arrayType = (SgArrayType*)op->expr(0)->symbol()->type();
-                    int dimCount = ((SgArrayType*)op->expr(0)->symbol()->type())->dimension();
-                    vector<ArrayDimension> point;
-                    for (int i = 0; i < dimCount; i++)
-                    {
-                        string strDimLength = arrayType->sizeInDim(i)->unparse();
-                        if (arrayType->sizeInDim(i)->variant() == INT_VAL && strDimLength != "0")
-                            point.push_back({ 1ULL, 1ULL, (uint64_t)stoi(strDimLength), (SgArrayRefExp*)op->expr(0) });
-                    }
-
-                    if (point.size() == dimCount)
-                    {
-                        def[instruction->getInstruction()->getResult()->getValue()] = AccessingSet({ point });
-                        RegionInstruction regionInstruction;
-                        regionInstruction.def[instruction->getInstruction()->getResult()->getValue()] = AccessingSet({ point });
-                    }
-                }
-            }
-        }
         if ((operation == SAPFOR::CFG_OP::STORE || operation == SAPFOR::CFG_OP::LOAD) && type == SAPFOR::CFG_ARG_TYPE::ARRAY)
         {
             vector<SAPFOR::Argument*> index_vars;
             vector<int> refPos;
-            string array_name = instruction->getInstruction()->getArg1()->getValue();
+            string array_name;
+            if (operation == SAPFOR::CFG_OP::STORE)
+                array_name = instruction->getInstruction()->getArg1()->getValue();            
+            else
+                array_name = instruction->getInstruction()->getArg2()->getValue();
 
             int j = i - 1;
             while (j >= 0 && instructions[j]->getInstruction()->getOperation() == SAPFOR::CFG_OP::REF)
@@ -150,151 +127,75 @@ static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAcces
             vector<ArrayDimension> accessPoint(n);
 
             auto* ref = isSgArrayRefExp(instruction->getInstruction()->getExpression());
-            if (!ref)
-                continue;
-            int fillCount = 0;
-
-            vector<pair<int, int>> coeffsForDims;
-            int subs = ref->numberOfSubscripts();
+            vector<pair<int, int>> coefsForDims;
             for (int i = 0; ref && i < ref->numberOfSubscripts(); ++i)
             {
-                const vector<int*>& coeffs = getAttributes<SgExpression*, int*>(ref->subscript(i), set<int>{ INT_VAL });
-                if (coeffs.size() == 1)
+                const vector<int*>& coefs = getAttributes<SgExpression*, int*>(ref->subscript(i), set<int>{ INT_VAL });
+                if (coefs.size() == 1)
                 {
-                    const pair<int, int> coef(coeffs[0][0], coeffs[0][1]);
-                    coeffsForDims.push_back(coef);
+                    const pair<int, int> coef(coefs[0][0], coefs[0][1]);
+                    coefsForDims.push_back(coef);
                 }
 
             }
-            coeffsForDims = { coeffsForDims.rbegin(), coeffsForDims.rend() };
 
-            while (!index_vars.empty() && !refPos.empty() && !coeffsForDims.empty())
+            if(coefsForDims.empty())
+                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
+
+            while (!index_vars.empty())
             {
                 auto var = index_vars.back();
                 int currentVarPos = refPos.back();
+                pair<int, int> currentCoefs = coefsForDims.back();
                 ArrayDimension current_dim;
                 if (var->getType() == SAPFOR::CFG_ARG_TYPE::CONST)
-                    current_dim = { stoul(var->getValue()), 1, 1, ref };
+                    current_dim = { stoul(var->getValue()), 1, 1 };
                 else
                 {
                     string name, full_name = var->getValue();
                     int pos = full_name.find('%');
                     LoopGraph* currentLoop;
-                    if (pos != -1)
+                    if (pos != -1) 
                     {
                         name = full_name.substr(pos + 1);
                         if (loopForIndex.find(name) != loopForIndex.end())
-                            currentLoop = loopForIndex[name];
+                            currentLoop = loopForIndex[name];                        
                         else
                             return -1;
                     }
-                    else
+                    else 
                     {
                         name = FindIndexName(currentVarPos, block, loopForIndex);
                         if (name == "")
                             return -1;
 
                         if (loopForIndex.find(name) != loopForIndex.end())
-                            currentLoop = loopForIndex[name];
+                            currentLoop = loopForIndex[name];                        
                         else
                             return -1;
                     }
 
-                    uint64_t start = coeffsForDims.back().second * currentLoop->startVal + coeffsForDims.back().first;
-                    uint64_t step = currentLoop->stepVal;
-                    uint64_t iters = currentLoop->calculatedCountOfIters;
-                    current_dim = { start, step, iters, ref };
+                    uint64_t start = currentLoop->startVal * currentCoefs.first + currentCoefs.second;
+                    uint64_t step = currentCoefs.first;
+                    current_dim = { start, step, (uint64_t)currentLoop->calculatedCountOfIters };
                 }
 
-                if (current_dim.step != 0 && current_dim.tripCount != 0)
-                {
-                    accessPoint[n - index_vars.size()] = current_dim;
-                    fillCount++;
-                }
+                accessPoint[n - index_vars.size()] = current_dim;
                 index_vars.pop_back();
                 refPos.pop_back();
-                coeffsForDims.pop_back();
+                coefsForDims.pop_back();
             }
 
-            if (fillCount == accessPoint.size())
-            {
-                RegionInstruction instruction;
-                if (operation == SAPFOR::CFG_OP::STORE)
-                {
-                    def[array_name].Insert(accessPoint);
-                    instruction.def[array_name] = { { accessPoint } };
-                }
-                else
-                {
-                    instruction.use[array_name] = { { accessPoint } };
-                    if (def.find(array_name) == def.end())
-                        use[array_name].Insert(accessPoint);
-                    else
-                    {
-                        AccessingSet element({ accessPoint });
-                        use[array_name] = use[array_name].Union(element.Diff(def[array_name]));
-                    }
-                }
-                region->instructions.push_back(instruction);
-            }
+            if (operation == SAPFOR::CFG_OP::STORE)            
+                def[array_name].Insert(accessPoint);
+            else
+                use[array_name].Insert(accessPoint);
         }
     }
     return 0;
 
 }
 
-static void RemoveHeaderConnection(SAPFOR::BasicBlock* header, const unordered_set<SAPFOR::BasicBlock*>& blockSet, unordered_map<SAPFOR::BasicBlock*, Region*>& bbToRegion)
-{
-    for (SAPFOR::BasicBlock* block : blockSet)
-    {
-        bool isCycleBlock = false;
-        for (SAPFOR::BasicBlock* prevBlock : block->getPrev())
-            isCycleBlock = isCycleBlock || (blockSet.find(prevBlock) != blockSet.end());
-
-        if (isCycleBlock)
-        {
-            bbToRegion[block]->removeNextRegion(bbToRegion[header]);
-            bbToRegion[header]->removePrevRegion(bbToRegion[block]);
-        }
-    }
-}
-
-static void DFS(Region* block, vector<Region*>& result, unordered_set<Region*> cycleBlocks)
-{
-    for (Region* nextBlock : block->getNextRegions())
-    {
-        if (cycleBlocks.find(nextBlock) != cycleBlocks.end())
-            DFS(nextBlock, result, cycleBlocks);
-    }
-    result.push_back(block);
-}
-
-bool HasCycle(Region* block, const std::unordered_set<Region*>& cycleBlocks, std::unordered_set<Region*>& visitedBlocks)
-{
-    if (visitedBlocks.find(block) != visitedBlocks.end())
-        return true;
-    visitedBlocks.insert(block);
-    for (Region* nextBlock : block->getNextRegions())
-    {
-        if (cycleBlocks.find(nextBlock) != cycleBlocks.end() && HasCycle(nextBlock, cycleBlocks, visitedBlocks))
-            return true;
-    }
-    return false;
-}
-
-bool TopologySort(std::vector<Region*>& basikBlocks, Region* header)
-{
-    unordered_set<Region*> cycleBlocks(basikBlocks.begin(), basikBlocks.end());
-    unordered_set<Region*> visitedBlocks;
-    if (HasCycle(header, cycleBlocks, visitedBlocks))
-        return false;
-    vector<Region*> result;
-    DFS(header, result, cycleBlocks);
-    reverse(result.begin(), result.end());
-    basikBlocks = move(result);
-    return true;
-}
-
 static void SetConnections(unordered_map<SAPFOR::BasicBlock*, Region*>& bbToRegion, const unordered_set<SAPFOR::BasicBlock*>& blockSet)
 {
     for (SAPFOR::BasicBlock* block : blockSet)
@@ -302,38 +203,32 @@ static void SetConnections(unordered_map<SAPFOR::BasicBlock*, Region*>& bbToRegi
         for (SAPFOR::BasicBlock* nextBlock : block->getNext())
             if (bbToRegion.find(nextBlock) != bbToRegion.end())
                 bbToRegion[block]->addNextRegion(bbToRegion[nextBlock]);
-
+         
         for (SAPFOR::BasicBlock* prevBlock : block->getPrev())
             if (bbToRegion.find(prevBlock) != bbToRegion.end())
                 bbToRegion[block]->addPrevRegion(bbToRegion[prevBlock]);
     }
 }
 
-static Region* CreateSubRegion(LoopGraph* loop, const vector<SAPFOR::BasicBlock*>& Blocks, unordered_map<SAPFOR::BasicBlock*, Region*>& bbToRegion)
+static Region* CreateSubRegion(LoopGraph* loop, const vector<SAPFOR::BasicBlock*>& Blocks, const unordered_map<SAPFOR::BasicBlock*, Region*>& bbToRegion)
 {
     Region* region = new Region;
     auto [header, blockSet] = GetBasicBlocksForLoop(loop, Blocks);
-    RemoveHeaderConnection(header, blockSet, bbToRegion);
     if (bbToRegion.find(header) != bbToRegion.end())
-        region->setHeader(bbToRegion.at(header));
+        region->setHeader(bbToRegion.at(header));    
     else
     {
         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
         return NULL;
     }
-
+    
     for (SAPFOR::BasicBlock* block : blockSet)
         if (bbToRegion.find(block) != bbToRegion.end())
             region->addBasickBlocks(bbToRegion.at(block));
 
     for (LoopGraph* childLoop : loop->children)
-    {
-        if (!childLoop->isFor())
-            continue;
         region->addSubRegions(CreateSubRegion(childLoop, Blocks, bbToRegion));
-    }
-    if (!TopologySort(region->getBasickBlocks(), region->getHeader()))
-        throw std::runtime_error("Unnoticed cycle");
+
     return region;
 }
 
@@ -344,20 +239,13 @@ Region::Region(LoopGraph* loop, const vector<SAPFOR::BasicBlock*>& Blocks)
     for (auto poiner : blockSet)
     {
         bbToRegion[poiner] = new Region(*poiner);
-        this->basickBlocks.push_back(bbToRegion[poiner]);
-        GetDefUseArray(poiner, loop, bbToRegion[poiner]->array_def, bbToRegion[poiner]->array_use, bbToRegion[poiner]);
+        this->basickBlocks.insert(bbToRegion[poiner]);
+        GetDefUseArray(poiner, loop, bbToRegion[poiner]->array_def, bbToRegion[poiner]->array_use);
 
     }
     this->header = bbToRegion[header];
     SetConnections(bbToRegion, blockSet);
-    RemoveHeaderConnection(header, blockSet, bbToRegion);
     //create subRegions
     for (LoopGraph* childLoop : loop->children)
-    {
-        if (!childLoop->isFor())
-            continue;
         subRegions.insert(CreateSubRegion(childLoop, Blocks, bbToRegion));
-        }
-    if (!TopologySort(basickBlocks, this->header))
-        throw std::runtime_error("Unnoticed cycle");
-}
+}

src/PrivateAnalyzer/region.h

@@ -8,11 +8,6 @@
 #include "graph_loops.h"
 #include "CFGraph/CFGraph.h"
 
-struct RegionInstruction
-{
-    ArrayAccessingIndexes def, use, in, out;
-};
-
 class Region : public SAPFOR::BasicBlock {
 public:
     Region() { header = nullptr; }
@@ -25,25 +20,13 @@ public:
 
     void setHeader(Region* region) { header = region; }
 
-    std::vector<Region*>& getBasickBlocks() { return basickBlocks; }
+    std::unordered_set<Region*>& getBasickBlocks() { return basickBlocks; }
 
-    void addBasickBlocks(Region* region) { basickBlocks.push_back(region); }
+    void addBasickBlocks(Region* region) { basickBlocks.insert(region); }
 
     const std::unordered_set<Region*>& getPrevRegions() { return prevRegions; }
 
-    std::unordered_set<Region*>& getNextRegions() { return nextRegions; }
-
-    void removeNextRegion(Region* region)
-    {
-        if (nextRegions.find(region) != nextRegions.end())
-            nextRegions.erase(region);
-    }
-
-    void removePrevRegion(Region* region)
-    {
-        if (prevRegions.find(region) != prevRegions.end())
-            prevRegions.erase(region);
-    }
+    std::unordered_set<Region*> getNextRegions() { return nextRegions; }
 
     void addPrevRegion(Region* region) { prevRegions.insert(region); }
 
@@ -65,20 +48,13 @@ public:
 
     void addSubRegions(Region* region) { subRegions.insert(region); }
 
-    std::vector<RegionInstruction> instructions;
-
     ArrayAccessingIndexes array_def, array_use, array_out, array_in, array_priv;
 
 private:
-    std::vector<Region*> basickBlocks;
-    std::unordered_set<Region*> subRegions;
+    std::unordered_set<Region*> subRegions, basickBlocks;
     /*next Region which is BB for current BB Region*/
     std::unordered_set<Region*> nextRegions;
     /*prev Regions which is BBs for current BB Region*/
     std::unordered_set<Region*> prevRegions;
     Region* header;
 };
-
-bool HasCycle(Region* block, const std::unordered_set<Region*>& cycleBlocks, std::unordered_set<Region*>& visitedBlocks);
-
-bool TopologySort(std::vector<Region*>& basikBlocks, Region* header);

src/Sapfor.cpp

@@ -23,7 +23,6 @@
 #include "ParallelizationRegions/ParRegions_func.h"
 #include "ParallelizationRegions/resolve_par_reg_conflicts.h"
 #include "ParallelizationRegions/expand_extract_reg.h"
-#include "ParallelizationRegions/merge_regions.h"
 
 #include "Distribution/Distribution.h"
 #include "Distribution/GraphCSR.h"
@@ -47,7 +46,6 @@
 #include "DynamicAnalysis/gCov_parser_func.h"
 #include "DynamicAnalysis/createParallelRegions.h"
 
-#include "ArrayConstantPropagation/propagation.h"
 #include "DirectiveProcessing/directive_analyzer.h"
 #include "DirectiveProcessing/directive_creator.h"
 #include "DirectiveProcessing/insert_directive.h"
@@ -91,7 +89,7 @@
 #include "Transformations/DeadCodeRemoving/dead_code.h"
 #include "Transformations/RenameSymbols/rename_symbols.h"
 #include "Transformations/FunctionInlining/inliner.h"
-#include "Transformations/MoveOperators/move_operators.h"
+#include "Transformations/SwapOperators/swap_operators.h"
 
 #include "ProjectParameters/projectParameters.h"
 
@@ -282,8 +280,7 @@ static string unparseProjectIfNeed(SgFile* file, const int curr_regime, const bo
             for (SgStatement* st = file->firstStatement(); st; st = st->lexNext())
                 if (isSPF_stat(st)) // except sapfor parallel regions and if attributes dont move
                     if (st->variant() != SPF_PARALLEL_REG_DIR && st->variant() != SPF_END_PARALLEL_REG_DIR)
-                        if (insertedPrivates.find(st) == insertedPrivates.end())
-                            toDel.push_back(st);
+                        toDel.push_back(st);
 
             for (auto& elem : toDel)
                 elem->deleteStmt();
@@ -742,7 +739,7 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
         else if (curr_regime == LOOP_DATA_DEPENDENCIES)
             doDependenceAnalysisOnTheFullFile(file, 1, 1, 1);
         else if (curr_regime == REMOVE_DVM_DIRS || curr_regime == REMOVE_DVM_DIRS_TO_COMMENTS || curr_regime == REMOVE_SPF_DIRS) {
-            bool removeDvm = (curr_regime == REMOVE_DVM_DIRS);
+            bool removeDvm = (curr_regime == REMOVE_DVM_DIRS || curr_regime == REMOVE_DVM_DIRS);
             bool removeSpf = (curr_regime == REMOVE_SPF_DIRS);
             bool toComment = (curr_regime == REMOVE_DVM_DIRS_TO_COMMENTS);
             removeDvmSpfDirectives(file, removeDvm, removeSpf, toComment);
@@ -943,8 +940,8 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
                     internalExit = err;
             }
         }
-        else if (curr_regime == MOVE_OPERATORS)        
-            moveOperators(file, fullIR, countOfTransform);
+        else if (curr_regime == SWAP_OPERATORS)        
+            runSwapOperators(file, loopGraph, fullIR, countOfTransform);        
         else if (curr_regime == PRIVATE_REMOVING_ANALYSIS)
         {
             auto itFound = loopGraph.find(file->filename());
@@ -1025,6 +1022,8 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
                 if(func->funcPointer->variant() != ENTRY_STAT)
                     countOfTransform += removeDeadCode(func->funcPointer, allFuncInfo, commonBlocks);
         }
+        else if (curr_regime == FIND_PRIVATE_ARRAYS)
+            FindPrivateArrays(loopGraph, fullIR);
         else if (curr_regime == TEST_PASS)
         {
         //test pass
@@ -1042,7 +1041,7 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
                           PRIVATE_ARRAYS_EXPANSION, 
                           PRIVATE_ARRAYS_SHRINKING,
                           REMOVE_DEAD_CODE,
-                          MOVE_OPERATORS };
+                          SWAP_OPERATORS };
 
     if ((countOfTransform == 0 || internalExit > 0) && applyFor.find(curr_regime) != applyFor.end())
     {
@@ -1265,8 +1264,6 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
 
         moveAllocatesInterproc(arrayLinksByFuncCalls);
 
-        propagateRegionInfo(declaredArrays, arrayLinksByFuncCalls, subs_parallelRegions);
-
         removeDistrStateFromDeadFunctions(allFuncInfo, declaredArrays);
         propagateArrayFlags(arrayLinksByFuncCalls, declaredArrays, SPF_messages);
     }
@@ -1684,11 +1681,30 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
         findDeadFunctionsAndFillCalls(allFuncInfo_IR, SPF_messages, true);
     else if (curr_regime == GET_ALL_ARRAY_DECL)
     {
-        if (ignoreArrayDistributeState) 
+        bool hasNonDefaultReg = false;
+        for (auto &elem : subs_parallelRegions)
+            if (elem->GetName() != "DEFAULT")
+                hasNonDefaultReg = true;
+
+        if (hasNonDefaultReg)
         {
             for (auto array : declaredArrays)
-                array.second.first->SetDistributeFlag(DIST::NO_DISTR);
+            {
+                if (array.second.first->GetRegionsName().size() == 0)
+                    array.second.first->SetDistributeFlag(DIST::NO_DISTR);
+                else if (array.second.first->GetRegionsName().size() == 1)
+                {
+                    string regName = *array.second.first->GetRegionsName().begin();
+                    convertToLower(regName);
+                    if (regName == "default")
+                        array.second.first->SetDistributeFlag(DIST::NO_DISTR);
+                }
+            }
         }
+
+        if (ignoreArrayDistributeState)
+            for (auto array : declaredArrays)
+                array.second.first->SetDistributeFlag(DIST::NO_DISTR);
     }
     else if (curr_regime == GCOV_PARSER)
     {
@@ -1877,7 +1893,7 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
         findParameters(parametersOfProject, fullIR, declaredArrays);
     else if (curr_regime == BUILD_IR)
     {
-        auto CFG_forFile = buildCFG(commonBlocks, allFuncInfo_IR, SAPFOR::CFG_Settings());
+        auto CFG_forFile = buildCFG(commonBlocks, allFuncInfo_IR, SAPFOR::CFG_Settings(0));
         for (auto& byFunc : CFG_forFile)
             fullIR[byFunc.first].insert(fullIR[byFunc.first].end(), byFunc.second.begin(), byFunc.second.end());
 
@@ -1904,12 +1920,6 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
     }
     else if (curr_regime == TRANSFORM_ASSUMED_SIZE_PARAMETERS)
         transformAssumedSizeParameters(allFuncInfo);
-    else if (curr_regime == FIND_PRIVATE_ARRAYS_ANALYSIS)
-        findPrivateArrays(loopGraph, fullIR, insertedPrivates);
-    else if (curr_regime == MERGE_REGIONS)
-        mergeRegions(parallelRegions, allFuncInfo);
-    else if (curr_regime == ARRAY_PROPAGATION)
-        arrayConstantPropagation(project);
 
     const float elapsed = duration_cast<milliseconds>(high_resolution_clock::now() - timeForPass).count() / 1000.;
     const float elapsedGlobal = duration_cast<milliseconds>(high_resolution_clock::now() - globalTime).count() / 1000.;
@@ -2328,7 +2338,7 @@ void runPass(const int curr_regime, const char *proj_name, const char *folderNam
     case INSERT_NO_DISTR_FLAGS_FROM_GUI:
     case PRIVATE_REMOVING:
     case RENAME_INLCUDES:
-    case MOVE_OPERATORS:
+    case SWAP_OPERATORS:
         runAnalysis(*project, curr_regime, true, "", folderName);
         break;
     case INLINE_PROCEDURES:
@@ -2364,12 +2374,10 @@ void runPass(const int curr_regime, const char *proj_name, const char *folderNam
     case FIX_COMMON_BLOCKS:
     case TEST_PASS:
     case SET_IMPLICIT_NONE:
-    case MERGE_REGIONS:
         runAnalysis(*project, curr_regime, false);
     case SUBST_EXPR_RD_AND_UNPARSE:
     case SUBST_EXPR_AND_UNPARSE:
     case REMOVE_DEAD_CODE_AND_UNPARSE:
-    case FIND_PRIVATE_ARRAYS:
         if (folderName)
             runAnalysis(*project, UNPARSE_FILE, true, "", folderName);
         else
@@ -2510,8 +2518,8 @@ int main(int argc, char **argv)
                     out_free_form = 1;
                     out_line_unlimit = 1;
                 }
-                /*else if (string(curr_arg) == "-sh")
-                    staticShadowAnalysis = 1;*/
+                else if (string(curr_arg) == "-sh")
+                    staticShadowAnalysis = 1;
                 else if (string(curr_arg) == "-shWidth")
                 {
                     i++;
@@ -2631,7 +2639,7 @@ int main(int argc, char **argv)
             }
         }
 
-        if (curr_regime == INSERT_PARALLEL_DIRS_NODIST || curr_regime == FIND_PRIVATE_ARRAYS)
+        if (curr_regime == INSERT_PARALLEL_DIRS_NODIST)
         {
             ignoreArrayDistributeState = true;
             sharedMemoryParallelization = 1;

src/Sapfor.h

@@ -88,8 +88,6 @@ enum passes {
     REMOVE_DVM_INTERVALS,
     VERIFY_DVM_DIRS,
 
-    MERGE_REGIONS,
-
     REMOVE_DIST_ARRAYS_FROM_IO,
 
     SUBST_EXPR,
@@ -124,7 +122,7 @@ enum passes {
     CREATE_INTER_TREE,
     INSERT_INTER_TREE,
 
-    MOVE_OPERATORS,
+    SWAP_OPERATORS,
 
     SHADOW_GROUPING,
     INLINE_PROCEDURES,
@@ -187,11 +185,9 @@ enum passes {
     SET_IMPLICIT_NONE,
     RENAME_INLCUDES,
 
-    FIND_PRIVATE_ARRAYS_ANALYSIS,
     FIND_PRIVATE_ARRAYS,
 
     TRANSFORM_ASSUMED_SIZE_PARAMETERS,
-    ARRAY_PROPAGATION,
 
     TEST_PASS,
     EMPTY_PASS
@@ -275,7 +271,6 @@ static void setPassValues()
     passNames[VERIFY_DVM_DIRS] = "VERIFY_DVM_DIRS";
     passNames[REMOVE_DVM_DIRS_TO_COMMENTS] = "REMOVE_DVM_DIRS_TO_COMMENTS";
     passNames[REMOVE_SPF_DIRS] = "REMOVE_SPF_DIRS";
-    passNames[MERGE_REGIONS] = "MERGE_REGIONS";
     passNames[REMOVE_DIST_ARRAYS_FROM_IO] = "REMOVE_DIST_ARRAYS_FROM_IO";
     passNames[SUBST_EXPR] = "SUBST_EXPR";
     passNames[SUBST_EXPR_RD] = "SUBST_EXPR_RD";
@@ -326,7 +321,7 @@ static void setPassValues()
     passNames[CHECK_PAR_REG_DIR] = "CHECK_PAR_REG_DIR";
     passNames[CREATE_INTER_TREE] = "CREATE_INTER_TREE";
     passNames[INSERT_INTER_TREE] = "INSERT_INTER_TREE";
-    passNames[MOVE_OPERATORS] = "MOVE_OPERATORS";
+    passNames[SWAP_OPERATORS] = "SWAP_OPERATORS";
     passNames[CREATE_PARALLEL_REGIONS] = "CREATE_PARALLEL_REGIONS";
     passNames[PRIVATE_REMOVING_ANALYSIS] = "PRIVATE_REMOVING_ANALYSIS";
     passNames[PRIVATE_REMOVING] = "PRIVATE_REMOVING";
@@ -379,11 +374,9 @@ static void setPassValues()
     passNames[SET_IMPLICIT_NONE] = "SET_IMPLICIT_NONE";
     passNames[RENAME_INLCUDES] = "RENAME_INLCUDES";
     passNames[INSERT_NO_DISTR_FLAGS_FROM_GUI] = "INSERT_NO_DISTR_FLAGS_FROM_GUI";
-    passNames[FIND_PRIVATE_ARRAYS_ANALYSIS] = "FIND_PRIVATE_ARRAYS_ANALYSIS";
     passNames[FIND_PRIVATE_ARRAYS] = "FIND_PRIVATE_ARRAYS";
 
     passNames[TRANSFORM_ASSUMED_SIZE_PARAMETERS] = "TRANSFORM_ASSUMED_SIZE_PARAMETERS";
-    passNames[ARRAY_PROPAGATION] = "ARRAY_PROPAGATION";
 
     passNames[TEST_PASS] = "TEST_PASS";
 }

src/SapforData.h

@@ -19,7 +19,7 @@
 extern std::map<std::string, std::string> shortFileNames;
 static int activeState = 0;
 
-int staticShadowAnalysis = 1;
+int staticShadowAnalysis = 0;
 int staticPrivateAnalysis = 0;
 int keepDvmDirectives = 0;
 int keepFiles = 0;
@@ -175,11 +175,6 @@ std::set<std::tuple<std::string, int, std::string>> parametersOfProject; // [fil
 //for GET_MIN_MAX_BLOCK_DIST
 std::pair<int, int> min_max_block = std::make_pair(-1, -1);
 //
-
-//for FIND_PRIVATE_ARRAYS
-std::set<SgStatement*> insertedPrivates;
-//
-
 const char* passNames[EMPTY_PASS + 1];
 const char* optionNames[EMPTY_OPTION + 1];
 bool passNamesWasInit = false;

src/Transformations/DeadCodeRemoving/dead_code.cpp

@@ -12,7 +12,6 @@ using std::map;
 using std::string;
 using std::vector;
 using std::set;
-using  SAPFOR::CFG_Settings;
 
 using std::remove_if;
 
@@ -425,8 +424,7 @@ int removeDeadCode(SgStatement* func,
         if (intervalDelEnd->lineNumber() < prog->lineNumber() || intervalDelEnd->lineNumber() > prog->lastNodeOfStmt()->lineNumber())
             printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
-    const auto settings = CFG_Settings({ CFG_Settings::CFG_atLeastOneIterInLoop });
-    auto cfg = buildCFGforCurrentFunc(func, settings, commonBlocks, allFuncs);
+    auto cfg = buildCFGforCurrentFunc(func, SAPFOR::CFG_Settings(true, false, false, false, false, false, false), commonBlocks, allFuncs);
 
     if(cfg.size() != 1)
         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);

src/Transformations/FunctionInlining/inliner.cpp

@@ -1089,8 +1089,6 @@ static int clean(const string& funcName, SgStatement* funcSt, const map<string,
             }
 
             SgGotoStmt* gotoSt = new SgGotoStmt(*contLab);
-            if (st->label())
-                gotoSt->setLabel(*st->label());
             st->insertStmtBefore(*gotoSt, *st->controlParent());
 
             toDelete.push_back(st);

src/Transformations/FunctionPurifying/function_purifying.cpp

@@ -234,65 +234,10 @@ static bool hasDvmParallel(SgStatement *func)
     return false;
 }
 
-static map<FuncInfo*, bool> createDvmParallelInfo(const map<string, vector<FuncInfo*>>& allFuncInfo) {
-    map<FuncInfo*, bool> hasDvmParallelMap;
-
-    for (auto& funcByFile : allFuncInfo)
-    {
-        if (SgFile::switchToFile(funcByFile.first) == -1)
-            printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-        for (auto& func : funcByFile.second)
-        {
-            SgProgHedrStmt* prog = isSgProgHedrStmt(func->funcPointer->GetOriginal());
-            if (prog == NULL)
-                continue;
-
-            hasDvmParallelMap[func] = hasDvmParallel(prog);
-        }
-    }
-
-    bool changed = true;
-    while (changed) 
-    {
-        changed = false;
-
-        for (auto& funcByFile : allFuncInfo)
-        {
-            for (auto& func : funcByFile.second)
-            {
-                if (!hasDvmParallelMap[func]) 
-                {
-                    bool hasParallel = false;
-                    for (auto& callF : func->callsFromV)
-                    {
-                        if (hasDvmParallelMap[callF]) 
-                        {
-                            hasParallel = true;
-                            break;
-                        }
-                    }
-
-                    if (hasParallel)
-                    {
-                        changed = true;
-                        hasDvmParallelMap[func] = true;
-                    }
-
-                }
-            }
-        }
-    }
-
-    return hasDvmParallelMap;
-}
-
-
 void transformAssumedSizeParameters(const map<string, vector<FuncInfo*>>& allFuncInfo)
 {
     map<string, vector<int>> assumedSizeArraysByFunc;
-    const map<FuncInfo*, bool> hasDvmParallelMap = createDvmParallelInfo(allFuncInfo);
-    
+
     for (auto& funcByFile : allFuncInfo)
     {
         if (SgFile::switchToFile(funcByFile.first) == -1)
@@ -304,7 +249,7 @@ void transformAssumedSizeParameters(const map<string, vector<FuncInfo*>>& allFun
             if (prog == NULL)
                 continue;
 
-            if (!hasDvmParallelMap.at(func))
+            if (!hasDvmParallel(prog))
                 continue;
 
             vector<SgSymbol*> parNames;
@@ -314,8 +259,7 @@ void transformAssumedSizeParameters(const map<string, vector<FuncInfo*>>& allFun
             bool hasRefs = false;
             for (int z = 0; z < func->funcParams.countOfPars; ++z)
             {
-                if (func->funcParams.parametersT[z] == ARRAY_T ||
-                    func->funcParams.parametersT[z] == STRING_ARRAY_T)
+                if (func->funcParams.parametersT[z] == ARRAY_T)
                 {
                     auto s = prog->parameter(z);
                     const string name = s->identifier();

src/Transformations/GlobalVariables/fix_common_blocks.cpp

@@ -18,66 +18,69 @@ using std::tuple;
 
 /// main function:
 // renew unions for all common blocks in the file
-//void BuildNewCommDecls
+static void BuildNewCommDecls(SgFile* file, const map<string, CommonBlock*> allCommonBlocks,
+    map<string, deque<CommConstraint>>& newCommonDecls, map<string, map<string, deque<CommConstraint>>>& commDecls,
+    set<string>& badCommon, map<string, set<string>>& notUsedVars, vector<SgStatement*>& programUnits);
 
 // get names of variables and array elements, which were referenced in programm unit
-//set<string> getUses
-//void getUsesFromExpr
+static set<string> getUses(SgStatement* firstSt, const set<string>& commonVarNames);
+static void getUsesFromExpr(SgExpression* expr, const set<string>& commonVarNames, set<string>& used);
 
 // splits arrays into elements and replaces not used vars with empty constraints
-//bool splitType
- 
+static bool splitType(deque<CommConstraint>& d, bool check_use, const set<string>& namesOfUsedVars);
 // create constraits set
-//deque<CommConstraint> makeConstraints
- 
+static deque<CommConstraint> makeConstraints(deque<CommConstraint>& constraints, const set<string>& namesOfUsedVars, set<string>& notUsedVars);
 // build union
-//bool buildConstraintsUnion
-//bool docheckUnequalConstraints
-//bool check
+static bool buildConstraintsUnion(deque<CommConstraint>& U, deque<CommConstraint> B, const set<string>& namesOfUsedVars, pair<CommConstraint, CommConstraint>& problemConstraints);
+static bool docheckUnequalConstraints(deque<CommConstraint>& U, deque<CommConstraint>& B, deque<CommConstraint>& newU, pair<CommConstraint, CommConstraint>& problemConstraints);
+static bool check(deque<CommConstraint>& A, deque<CommConstraint>& B, pair<CommConstraint, CommConstraint>& problemConstraints);
 
 /// small help functions:
-//string getParentName
-//bool equalDims
-//bool equalConstraints
-//void addElem
+static string getParentName(const string& name);
+static bool equalDims(const CommConstraint& a, const CommConstraint& b);
+static bool equalConstraints(const CommConstraint& a, const CommConstraint& b);
+static void addElem(deque<CommConstraint>& comm, const CommConstraint& elem);
+//////
 
 // change names of variables in 'constraints'
-//void fixNames
+static void fixNames(deque<CommConstraint>& constraints, const string& commName);
 
 ////// step2: transformation
+
 /// main function
 // peform transformation on every program unit in the file
-//void fixFunctions
+static void fixFunctions(SgFile* file, vector<SgStatement*> programUnits, map<string, deque<CommConstraint>>& newCommonDecls,
+    map<string, map<string, deque<CommConstraint>>>& commDecls, const set<string>& badCommon, map<string, set<string>>& notUsedVars);
 
 // get pairs of names (namesOldToNew) for renaming
-//bool getNamesOldToNew
+static bool getNamesOldToNew(deque<CommConstraint> newDecl, deque<CommConstraint> oldDecl, map<string, string>& namesOldToNew);
 
 // create new symbols for new variables in new common declaration (constraints)
-//void makeCommVarSymbs
-
+static void makeCommVarSymbs(const deque<CommConstraint>& constraints, SgFile* file, SgStatement* func, string commName,
+    map<string, SgSymbol*>& symbs, vector<SgSymbol*>& needNewDecl);
 // delete from program unit all references to names in commVarNames
-//void deleteOldVars
+static void deleteOldVars(SgStatement* firstSt, const set<string>& commVarNames);
 
 // calls fixExpression for each statement, replaces names in data statement
-//void renameVariables
-
+static void renameVariables(SgStatement* firstSt, const map<string, SgSymbol*>& newVarSymbs, const map<string, string>& namesOldToNew);
 // replacing variables or array elements in expression expr if their names are in namesOldToNew
-//SgExpression* fixExpression
+static SgExpression* fixExpression(SgExpression* expr, const map<string, SgSymbol*>& newSymbs, const map<string, string>& namesOldToNew);
 
 // make new exprList exprssion for new declaration decl with symbols from newSymbs
-//SgExpression* makeExprListForCommon
-
+static SgExpression* makeExprListForCommon(const deque<CommConstraint>& decl, const map<string, SgSymbol*>& newSymbs,
+    SgFile* file, SgStatement* firstSt);
 // replace old common declarations with new ones
-//void rewriteCommon
+static void rewriteCommon(SgStatement* firstSt, map<string, SgExpression*>& commListExprs);
 
 /// help functions:
-//SgExpression* makeIdxFromStr(const string& str);
-
+static SgExpression* makeIdxFromStr(const string& str);
 // make new expression of array element
-//SgExpression* newArrElemExpr
-//bool variablePositionComp
+static SgExpression* newArrElemExpr(const string& newName, const map<string, SgSymbol*>& newSymbs);
+static bool variablePositionComp(const Variable* lhs, const Variable* rhs);
 //////
 
+
+
 CommConstraint::CommConstraint(const Variable* var, bool u, const string& funcName, const string& fileName)
 {
     used = u;
@@ -122,6 +125,7 @@ CommConstraint::CommConstraint(const Variable* var, bool u, const string& funcNa
     }
 }
 
+
 CommConstraint::CommConstraint(const string& name, SgType* t, bool u) : used(u), type(t), identifier(name)
 {
     typeVariant = type->variant();
@@ -135,7 +139,8 @@ CommConstraint::CommConstraint(const string& name, SgType* t, bool u, vector<Dec
     size = getSizeOfType(type);
 }
 
-static string getParentName(const string& name)
+
+string getParentName(const string& name)
 {
     size_t len = name.find("%");
     size_t posB = name.find("(");
@@ -149,7 +154,8 @@ static string getParentName(const string& name)
     return name.substr(0, len);
 }
 
-static void getUsesFromExpr(SgExpression* expr, const set<string>& commonVarNames, set<string>& used)
+
+void getUsesFromExpr(SgExpression* expr, const set<string>& commonVarNames, set<string>& used)
 {
     if (expr == NULL)
         return;
@@ -188,7 +194,8 @@ static void getUsesFromExpr(SgExpression* expr, const set<string>& commonVarName
     getUsesFromExpr(expr->rhs(), commonVarNames, used);
 }
 
-static set<string> getUses(SgStatement* firstSt, const set<string>& commonVarNames)
+
+set<string> getUses(SgStatement* firstSt, const set<string>& commonVarNames)
 {
     set<string> used;
     SgStatement* lastSt = firstSt->lastNodeOfStmt();
@@ -205,7 +212,8 @@ static set<string> getUses(SgStatement* firstSt, const set<string>& commonVarNam
     return used;
 }
 
-static bool equalDims(const CommConstraint& a, const CommConstraint& b)
+
+bool equalDims(const CommConstraint& a, const CommConstraint& b)
 {
     const vector<pair<int, int>>& adim = a.arrayInfo->GetSizes();
     const vector<pair<int, int>>& bdim = b.arrayInfo->GetSizes();
@@ -216,12 +224,11 @@ static bool equalDims(const CommConstraint& a, const CommConstraint& b)
         if (adim[i].second - adim[i].first != bdim[i].second - bdim[i].first)
             return false;
     }
-
-    return true;
 }
 
+
 // TODO: add attributes to CommConstraints, check if a and b have equal attributes
-static bool equalConstraints(const CommConstraint& a, const CommConstraint& b)
+bool equalConstraints(const CommConstraint& a, const CommConstraint& b)
 {
     if ((a.arrayInfo != NULL && b.arrayInfo == NULL) || ((a.arrayInfo == NULL && b.arrayInfo != NULL)))
         return false;
@@ -232,7 +239,8 @@ static bool equalConstraints(const CommConstraint& a, const CommConstraint& b)
     return true;
 }
 
-static void addElem(deque<CommConstraint>& comm, const CommConstraint& elem)
+
+void addElem(deque<CommConstraint>& comm, const CommConstraint& elem)
 {
     if (elem.typeVariant == 0 && !comm.empty() && comm.back().typeVariant == 0)
         comm.back().size += elem.size;
@@ -240,8 +248,9 @@ static void addElem(deque<CommConstraint>& comm, const CommConstraint& elem)
         comm.push_back(elem);
 }
 
+
 // TODO: check attributes: do not split arrays with pointer or target attributes if check_use == true
-static bool splitType(deque<CommConstraint>& d, bool check_use, const set<string>& namesOfUsedVars = {})
+bool splitType(deque<CommConstraint>& d, bool check_use, const set<string>& namesOfUsedVars = {})
 {
     CommConstraint var = d.front();
     string name = var.identifier;
@@ -289,7 +298,8 @@ static bool splitType(deque<CommConstraint>& d, bool check_use, const set<string
     }
 }
 
-static deque<CommConstraint> makeConstraints(deque<CommConstraint>& constraints, const set<string>& namesOfUsedVars, set<string>& notUsedVars)
+
+deque<CommConstraint> makeConstraints(deque<CommConstraint>& constraints, const set<string>& namesOfUsedVars, set<string>& notUsedVars)
 {
     deque<CommConstraint> res;
     while (!constraints.empty())
@@ -306,7 +316,8 @@ static deque<CommConstraint> makeConstraints(deque<CommConstraint>& constraints,
     return res;
 }
 
-static bool check(deque<CommConstraint>& A, deque<CommConstraint>& B, pair<CommConstraint, CommConstraint>& problemConstraints)
+
+bool check(deque<CommConstraint>& A, deque<CommConstraint>& B, pair<CommConstraint, CommConstraint>& problemConstraints)
 {
     while (!A.empty() && !B.empty())
     {
@@ -345,8 +356,8 @@ static bool check(deque<CommConstraint>& A, deque<CommConstraint>& B, pair<CommC
     return true;
 }
 
-static bool docheckUnequalConstraints(deque<CommConstraint>& U, deque<CommConstraint>& B, deque<CommConstraint>& newU, 
-                                      pair<CommConstraint, CommConstraint>& problemConstraints)
+
+bool docheckUnequalConstraints(deque<CommConstraint>& U, deque<CommConstraint>& B, deque<CommConstraint>& newU, pair<CommConstraint, CommConstraint>& problemConstraints)
 {
     if (U.front().typeVariant == 0)
     {
@@ -369,8 +380,8 @@ static bool docheckUnequalConstraints(deque<CommConstraint>& U, deque<CommConstr
     return true;
 }
 
-static bool buildConstraintsUnion(deque<CommConstraint>& U, deque<CommConstraint> B, 
-                                  const set<string>& namesOfUsedVars, pair<CommConstraint, CommConstraint>& problemConstraints)
+
+bool buildConstraintsUnion(deque<CommConstraint>& U, deque<CommConstraint> B, const set<string>& namesOfUsedVars, pair<CommConstraint, CommConstraint>& problemConstraints)
 {
     deque<CommConstraint> newU;
     while (!U.empty() && !B.empty())
@@ -425,8 +436,8 @@ static bool buildConstraintsUnion(deque<CommConstraint>& U, deque<CommConstraint
     return true;
 }
 
-//TODO: check this: newDecl and oldDecl => do these variables need references?
-static bool getNamesOldToNew(deque<CommConstraint> newDecl, deque<CommConstraint> oldDecl, map<string, string>& namesOldToNew)
+
+bool getNamesOldToNew(deque<CommConstraint> newDecl, deque<CommConstraint> oldDecl, map<string, string>& namesOldToNew)
 {
     bool needChange = false;
     map<string, string> rename;
@@ -491,18 +502,16 @@ static bool getNamesOldToNew(deque<CommConstraint> newDecl, deque<CommConstraint
             newDecl.pop_front();
         }
     }
-
     if (!oldDecl.empty() || !newDecl.empty())
         needChange = true;
-
     if (needChange)
         namesOldToNew.insert(rename.begin(), rename.end());
-
     return needChange;
 }
 
-static void makeCommVarSymbs(const deque<CommConstraint>& constraints, SgFile* file, SgStatement* func, const string& commName,
-                             map<string, SgSymbol*>& symbs, vector<SgSymbol*>& needNewDecl)
+
+void makeCommVarSymbs(const deque<CommConstraint>& constraints, SgFile* file, SgStatement* func, string commName,
+    map<string, SgSymbol*>& symbs, vector<SgSymbol*>& needNewDecl)
 {
     for (const CommConstraint& var : constraints)
     {
@@ -515,7 +524,8 @@ static void makeCommVarSymbs(const deque<CommConstraint>& constraints, SgFile* f
     }
 }
 
-static void deleteOldVars(SgStatement* firstSt, const set<string>& commVarNames)
+
+void deleteOldVars(SgStatement* firstSt, const set<string>& commVarNames)
 {
     SgStatement* lastSt = firstSt->lastNodeOfStmt();
     vector<SgStatement*> stmtsToDelete;
@@ -561,12 +571,12 @@ static void deleteOldVars(SgStatement* firstSt, const set<string>& commVarNames)
         }
         // TODO: delete common variables form attributes statements (like DIM_STAT)
     }
-
     for (SgStatement* st : stmtsToDelete)
         st->deleteStmt();
 }
 
-static SgExpression* makeIdxFromStr(const string& str)
+
+SgExpression* makeIdxFromStr(const string& str)
 {
     vector<SgExpression*> items;
     int num = 0;
@@ -581,13 +591,13 @@ static SgExpression* makeIdxFromStr(const string& str)
             num = 0;
         }
     }
-
     reverse(items.begin(), items.end());
     SgExpression* exprList = makeExprList(items, false);
     return exprList;
 }
 
-static SgExpression* newArrElemExpr(const string& newName, const map<string, SgSymbol*>& newSymbs)
+
+SgExpression* newArrElemExpr(const string& newName, const map<string, SgSymbol*>& newSymbs)
 {
     size_t pos = newName.find('(');
     SgExpression* newExpr = new SgArrayRefExp(*newSymbs.at(newName.substr(0, pos)));
@@ -595,11 +605,11 @@ static SgExpression* newArrElemExpr(const string& newName, const map<string, SgS
     return newExpr;
 }
 
-static SgExpression* fixExpression(SgExpression* expr, const map<string, SgSymbol*>& newSymbs, const map<string, string>& namesOldToNew)
+
+SgExpression* fixExpression(SgExpression* expr, const map<string, SgSymbol*>& newSymbs, const map<string, string>& namesOldToNew)
 {
     if (expr == NULL)
         return NULL;
-
     if (expr->variant() == VAR_REF || expr->variant() == ARRAY_REF)
     {
         string name = expr->symbol()->identifier();
@@ -635,18 +645,17 @@ static SgExpression* fixExpression(SgExpression* expr, const map<string, SgSymbo
             }
         }
     }
-
     SgExpression* lhs = fixExpression(expr->lhs(), newSymbs, namesOldToNew);
     if (lhs != NULL)
         expr->setLhs(lhs);
-
     SgExpression* rhs = fixExpression(expr->rhs(), newSymbs, namesOldToNew);
     if (rhs != NULL)
         expr->setRhs(rhs);
     return NULL;
 }
 
-static void renameVariables(SgStatement* firstSt, const map<string, SgSymbol*>& newVarSymbs, const map<string, string>& namesOldToNew)
+
+void renameVariables(SgStatement* firstSt, const map<string, SgSymbol*>& newVarSymbs, const map<string, string>& namesOldToNew)
 {
     SgStatement* lastSt = firstSt->lastNodeOfStmt();
     for (SgStatement* curSt = firstSt; curSt != NULL && curSt != lastSt; curSt = curSt->lexNext())
@@ -694,7 +703,8 @@ static void renameVariables(SgStatement* firstSt, const map<string, SgSymbol*>&
     }
 }
 
-static SgExpression* makeExprListForCommon(const deque<CommConstraint>& decl, const map<string, SgSymbol*>& newSymbs,
+
+SgExpression* makeExprListForCommon(const deque<CommConstraint>& decl, const map<string, SgSymbol*>& newSymbs,
     SgFile* file, SgStatement* firstSt)
 {
     vector<SgExpression*> items;
@@ -728,7 +738,8 @@ static SgExpression* makeExprListForCommon(const deque<CommConstraint>& decl, co
     return exprList;
 }
 
-static void rewriteCommon(SgStatement* firstSt, map<string, SgExpression*>& commListExprs)
+
+void rewriteCommon(SgStatement* firstSt, map<string, SgExpression*>& commListExprs)
 {
     vector<SgStatement*> commonStmtsToDelete;
     for (SgStatement* st = firstSt; st != firstSt->lastDeclaration()->lexNext(); st = st->lexNext())
@@ -779,12 +790,12 @@ static void rewriteCommon(SgStatement* firstSt, map<string, SgExpression*>& comm
                 commonStmtsToDelete.push_back(st);
         }
     }
-
     for (SgStatement* st : commonStmtsToDelete)
         st->deleteStmt();
 }
 
-static void fixNames(deque<CommConstraint>& constraints, const string& commName)
+
+void fixNames(deque<CommConstraint>& constraints, const string& commName)
 {
     for (auto& var : constraints)
     {
@@ -799,26 +810,26 @@ static void fixNames(deque<CommConstraint>& constraints, const string& commName)
     }
 }
 
-static bool variablePositionComp(const Variable* lhs, const Variable* rhs)
+
+bool variablePositionComp(const Variable* lhs, const Variable* rhs)
 {
     return lhs->getPosition() < rhs->getPosition();
 }
 
-static void fixFunctions(SgFile* file, const vector<SgStatement*>& programUnits, map<string, deque<CommConstraint>>& newCommonDecls,
-                         map<string, map<string, deque<CommConstraint>>>& commDecls, const set<string>& badCommon, map<string, set<string>>& notUsedVars)
+
+void fixFunctions(SgFile* file, vector<SgStatement*> programUnits, map<string, deque<CommConstraint>>& newCommonDecls,
+    map<string, map<string, deque<CommConstraint>>>& commDecls, const set<string>& badCommon, map<string, set<string>>& notUsedVars)
 {
     for (SgStatement* unitSt : programUnits)
     {
         string funcName = unitSt->symbol()->identifier();
         if (commDecls.find(funcName) == commDecls.end())
             continue;
-
         SgStatement* firstSt = unitSt;
         map<string, SgExpression*> commListExprs;
         map<string, SgSymbol*> newVarSymbs; // new symbols for new variables
         map<string, string> namesOldToNew; // for ranaming: old name -> new name
         vector<SgSymbol*> needNewDecl;
-
         for (auto& common : commDecls[funcName])
         {
             string commName = common.first;
@@ -829,11 +840,9 @@ static void fixFunctions(SgFile* file, const vector<SgStatement*>& programUnits,
             bool needChange = getNamesOldToNew(newDecl, common.second, namesOldToNew);
             if (!needChange)
                 continue;
-
             makeCommVarSymbs(newDecl, file, firstSt, commName, newVarSymbs, needNewDecl);
             commListExprs[commName] = makeExprListForCommon(newDecl, newVarSymbs, file, firstSt);
         }
-
         if (!commListExprs.empty())
         {
             for (const auto& item : commListExprs)
@@ -847,9 +856,10 @@ static void fixFunctions(SgFile* file, const vector<SgStatement*>& programUnits,
     }
 }
 
-static void buildNewCommDecls(SgFile* file, const map<string, CommonBlock*>& allCommonBlocks,
-                              map<string, deque<CommConstraint>>& newCommonDecls, map<string, map<string, deque<CommConstraint>>>& commDecls,
-                              set<string>& badCommon, map<string, set<string>>& notUsedVars, vector<SgStatement*>& programUnits)
+
+void BuildNewCommDecls(SgFile* file, const map<string, CommonBlock*> allCommonBlocks,
+        map<string, deque<CommConstraint>>& newCommonDecls, map<string, map<string, deque<CommConstraint>>>& commDecls,
+        set<string>& badCommon, map<string, set<string>>& notUsedVars, vector<SgStatement*>& programUnits)
 {
     string fileName = file->filename();
     SgStatement* curSt = file->firstStatement();
@@ -888,8 +898,7 @@ static void buildNewCommDecls(SgFile* file, const map<string, CommonBlock*>& all
                     constraints.push_back(newConstr);
                 }
                 if (hasChar && hasNotChar)  // TDOO: make proper warning message or separate such common blocks
-                    __spf_print(1, "common block '%s' ('%s':%d) contains variables of symbolic and numeric types. It is required to divide\n", 
-                                    commName.c_str(), fileName.c_str(), constraints.back().uses.back().getLineNum());
+                    __spf_print(1, "common block '%s' ('%s':%d) contains variables of symbolic and numeric types. It is required to divide\n", commName.c_str(), fileName.c_str(), constraints.back().uses.back().lineNum);
                 if (hasChar)
                 {
                     badCommon.insert(commName);
@@ -906,7 +915,7 @@ static void buildNewCommDecls(SgFile* file, const map<string, CommonBlock*>& all
                     for (auto x : problemConstraints.first.uses)         // TODO: make proper warning message
                         for (auto y : problemConstraints.second.uses)
                             __spf_print(1, "variables '%s' and '%s' in one storage association (common block '%s') have different types (files - %s:%d and %s:%d)\n",
-                                            x.getVarName(), y.getVarName(), commName.c_str(), x.getFileName(), x.getLineNum(), y.getFileName(), y.getLineNum());
+                                x.varName.c_str(), y.varName.c_str(), commName.c_str(), x.fileName.c_str(), x.lineNum, y.fileName.c_str(), y.lineNum);
                 }
             }
             curSt = curSt->lastNodeOfStmt();
@@ -918,7 +927,7 @@ static void buildNewCommDecls(SgFile* file, const map<string, CommonBlock*>& all
 
 
 // main function
-void fixCommonBlocks(const map<string, vector<FuncInfo*>>& allFuncInfo, const map<string, CommonBlock*>& allCommonBlocks, SgProject* project)  // TODO: separate into 2 steps?
+void fixCommonBlocks(const map<string, vector<FuncInfo*>> allFuncInfo, const map<string, CommonBlock*> allCommonBlocks, SgProject* project)  // TODO: separate into 2 steps?
 {
     int filesNum = project->numberOfFiles();
     map<string, map<string, map<string, deque<CommConstraint>>>> commDecls; // file_name -> function_name -> common block name -> old declaration of common block
@@ -932,12 +941,10 @@ void fixCommonBlocks(const map<string, vector<FuncInfo*>>& allFuncInfo, const ma
         SgFile* file = &project->file(i);
         string fileName = file->filename();
         file->switchToFile(fileName);
-        buildNewCommDecls(file, allCommonBlocks, newCommonDecls, commDecls[fileName], badCommon, notUsedVars, programUnitsInFile[fileName]);
+        BuildNewCommDecls(file, allCommonBlocks, newCommonDecls, commDecls[fileName], badCommon, notUsedVars, programUnitsInFile[fileName]);
     }
-
     for (auto& elem : newCommonDecls)
         fixNames(elem.second, elem.first);
-
     for (int i = 0; i < filesNum; i++)  // second step
     {
         SgFile* file = &project->file(i);

src/Transformations/GlobalVariables/fix_common_blocks.h

@@ -16,18 +16,12 @@
 
 struct DeclInfo // for error messages
 {
-private:
     std::string varName;
     std::string fileName;
     int lineNum;
 
-public:
     DeclInfo() : varName(""), fileName(""), lineNum(0) {};
     DeclInfo(const std::string& vn, const std::string& fn, int ln) : varName(vn), fileName(fn), lineNum(ln) {};
-
-    const char* getVarName() const { return varName.c_str(); }
-    const char* getFileName() const { return fileName.c_str(); }
-    int getLineNum() const { return lineNum; }
 };
 
 struct CommConstraint  // TODO: add variable attributes
@@ -48,4 +42,4 @@ struct CommConstraint  // TODO: add variable attributes
 };
 
 
-void fixCommonBlocks(const std::map<std::string, std::vector<FuncInfo*>>& allFuncInfo, const std::map<std::string, CommonBlock*>& allCommonBlocks, SgProject* project);
+void fixCommonBlocks(const std::map<std::string, std::vector<FuncInfo*>> allFuncInfo, const std::map<std::string, CommonBlock*> allCommonBlocks, SgProject* project);

src/Transformations/LoopCombining/loops_combiner.cpp

@@ -1123,7 +1123,7 @@ static bool hasDependenciesBetweenArrays(LoopGraph* firstLoop, LoopGraph* loop,
         for (int d = 0; d < dimensions; ++d)
         {
             //по измерениям массива отображение на цикл вложенности d
-            vector<set<pair<int, int>>> coeffsRead[2], coeffsWrite[2];
+            vector<set<pair<int, int>>> coefsRead[2], coefsWrite[2];
 
             checkNull(currLoop[0], convertFileName(__FILE__).c_str(), __LINE__);
             checkNull(currLoop[1], convertFileName(__FILE__).c_str(), __LINE__);
@@ -1133,31 +1133,31 @@ static bool hasDependenciesBetweenArrays(LoopGraph* firstLoop, LoopGraph* loop,
                 auto it = currLoop[k]->readOpsForLoop.find(array);
                 if (it != currLoop[k]->readOpsForLoop.end())
                 {
-                    if (coeffsRead[k].size() == 0)
-                        coeffsRead[k].resize(it->second.size());
+                    if (coefsRead[k].size() == 0)
+                        coefsRead[k].resize(it->second.size());
 
                     for (int z = 0; z < it->second.size(); ++z)
                         if (it->second[z].coefficients.size())
                             for (auto& coef : it->second[z].coefficients)
-                                coeffsRead[k][z].insert(coef.first);
+                                coefsRead[k][z].insert(coef.first);
                 }
 
                 auto itW = currLoop[k]->writeOpsForLoop.find(array);
                 if (itW != currLoop[k]->writeOpsForLoop.end())
                 {
-                    if (coeffsWrite[k].size() == 0)
-                        coeffsWrite[k].resize(itW->second.size());
+                    if (coefsWrite[k].size() == 0)
+                        coefsWrite[k].resize(itW->second.size());
 
                     for (int z = 0; z < itW->second.size(); ++z)
                         if (itW->second[z].coefficients.size())
                             for (auto& coef : itW->second[z].coefficients)
-                                coeffsWrite[k][z].insert(coef.first);
+                                coefsWrite[k][z].insert(coef.first);
                 }
             }
 
             //нет записей, значит нет зависимости
             bool nulWrite = true;
-            for (auto& wr : coeffsWrite)
+            for (auto& wr : coefsWrite)
                 for (auto& elem : wr)
                     if (elem.size() != 0)
                         nulWrite = false;
@@ -1168,62 +1168,62 @@ static bool hasDependenciesBetweenArrays(LoopGraph* firstLoop, LoopGraph* loop,
             // если чтение в одном цикле и запись (и наоборот) в другом идут по разным правилам, то пока что это зависимость.
             // здесь можно уточнить.
 
-            const int len = std::max(coeffsWrite[0].size(), coeffsRead[0].size());
+            const int len = std::max(coefsWrite[0].size(), coefsRead[0].size());
             int countW[2] = { 0, 0 };
             int countR[2] = { 0, 0 };
 
             for (int L = 0; L < 2; ++L)
-                for (int z = 0; z < coeffsWrite[L].size(); ++z)
-                    countW[L] += (coeffsWrite[L][z].size() ? 1 : 0);
+                for (int z = 0; z < coefsWrite[L].size(); ++z)
+                    countW[L] += (coefsWrite[L][z].size() ? 1 : 0);
 
             for (int L = 0; L < 2; ++L)
-                for (int z = 0; z < coeffsRead[L].size(); ++z)
-                    countR[L] += (coeffsRead[L][z].size() ? 1 : 0);
+                for (int z = 0; z < coefsRead[L].size(); ++z)
+                    countR[L] += (coefsRead[L][z].size() ? 1 : 0);
 
             for (int p = 0; p < len; ++p)
             {
-                if (coeffsWrite[1].size() && coeffsWrite[0].size())
-                    if (coeffsWrite[0][p].size() != 0 && coeffsWrite[1][p].size() != 0)
-                        if (coeffsWrite[0][p] != coeffsWrite[1][p])
+                if (coefsWrite[1].size() && coefsWrite[0].size())
+                    if (coefsWrite[0][p].size() != 0 && coefsWrite[1][p].size() != 0)
+                        if (coefsWrite[0][p] != coefsWrite[1][p])
                             return true;
 
-                if (coeffsRead[1].size() && coeffsWrite[0].size())
-                    if (coeffsWrite[0][p].size() != 0 && coeffsRead[1][p].size() != 0)
-                        if (coeffsWrite[0][p] != coeffsRead[1][p])
+                if (coefsRead[1].size() && coefsWrite[0].size())
+                    if (coefsWrite[0][p].size() != 0 && coefsRead[1][p].size() != 0)
+                        if (coefsWrite[0][p] != coefsRead[1][p])
                             return true;
 
-                if (coeffsWrite[1].size() && coeffsRead[0].size())
-                    if (coeffsWrite[1][p].size() != 0 && coeffsRead[0][p].size() != 0)
-                        if (coeffsWrite[1][p] != coeffsRead[0][p])
+                if (coefsWrite[1].size() && coefsRead[0].size())
+                    if (coefsWrite[1][p].size() != 0 && coefsRead[0][p].size() != 0)
+                        if (coefsWrite[1][p] != coefsRead[0][p])
                             return true;
                 
 
                 //отображение на разные измерения
-                if (coeffsWrite[1].size() && coeffsWrite[0].size())
+                if (coefsWrite[1].size() && coefsWrite[0].size())
                 {
-                    if (coeffsWrite[0][p].size() != 0 && coeffsWrite[1][p].size() == 0 && countW[1] ||
-                        coeffsWrite[0][p].size() == 0 && coeffsWrite[1][p].size() != 0 && countW[0])
+                    if (coefsWrite[0][p].size() != 0 && coefsWrite[1][p].size() == 0 && countW[1] ||
+                        coefsWrite[0][p].size() == 0 && coefsWrite[1][p].size() != 0 && countW[0])
                         return true;
                 }
 
-                if (coeffsRead[1].size() && coeffsWrite[0].size())
+                if (coefsRead[1].size() && coefsWrite[0].size())
                 {
-                    if (coeffsWrite[0][p].size() != 0 && coeffsRead[1][p].size() == 0 && countR[1] ||
-                        coeffsWrite[0][p].size() == 0 && coeffsRead[1][p].size() != 0 && countW[0])
+                    if (coefsWrite[0][p].size() != 0 && coefsRead[1][p].size() == 0 && countR[1] ||
+                        coefsWrite[0][p].size() == 0 && coefsRead[1][p].size() != 0 && countW[0])
                         return true;
                 }
 
-                if (coeffsWrite[1].size() && coeffsRead[1].size())
+                if (coefsWrite[1].size() && coefsRead[1].size())
                 {
-                    if (coeffsWrite[1][p].size() != 0 && coeffsRead[0][p].size() == 0 && countR[0] ||
-                        coeffsWrite[1][p].size() == 0 && coeffsRead[0][p].size() != 0 && countW[1])
+                    if (coefsWrite[1][p].size() != 0 && coefsRead[0][p].size() == 0 && countR[0] ||
+                        coefsWrite[1][p].size() == 0 && coefsRead[0][p].size() != 0 && countW[1])
                         return true;
                 }
 
                 //где то нет правил отображения вообще, но есть факт его наличия. 
-                if ( ((coeffsWrite[0].size() == 0 && coeffsRead[0].size() == 0) && (countW[0] == 0 && countR[0] == 0)) 
+                if ( ((coefsWrite[0].size() == 0 && coefsRead[0].size() == 0) && (countW[0] == 0 && countR[0] == 0)) 
                     ||
-                    ((coeffsWrite[1].size() == 0 && coeffsRead[1].size() == 0) && (countW[1] == 0 && countR[1] == 0)) )
+                    ((coefsWrite[1].size() == 0 && coefsRead[1].size() == 0) && (countW[1] == 0 && countR[1] == 0)) )
                     return true;
             }
             

src/Transformations/LoopSplitting/loops_splitter.cpp

@@ -19,7 +19,6 @@ using std::pair;
 using std::make_pair;
 using std::wstring;
 using std::stack;
-using SAPFOR::CFG_Settings;
 
 #define PRINT_SPLITTED_FRAGMENTS 0
 
@@ -316,7 +315,7 @@ static map<SgStatement*, pair<set<SgStatement*>, set<SgStatement*>>>
                 printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
             map<SAPFOR::Argument*, set<int>> outForCurr;
-            buildGenKillForCFG(itCFG->second, funcByName, outForFunc, gen, kill, &genForIR, &killForIR, notInitedGlobals, SAPFOR::CFG_Settings());
+            buildGenKillForCFG(itCFG->second, funcByName, outForFunc, gen, kill, &genForIR, &killForIR, notInitedGlobals, SAPFOR::CFG_Settings(0));
             
             if (outForFunc.count(byFunc))
                 printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
@@ -1052,8 +1051,7 @@ int splitLoops(SgFile *file, vector<LoopGraph*> &loopGraphs, vector<Messages> &m
                 checkNull(listExp, convertFileName(__FILE__).c_str(), __LINE__);
                 int deep = listExp->length();
                 
-                const auto settings = CFG_Settings({ CFG_Settings::CFG_atLeastOneIterInLoop, CFG_Settings::CFG_withRD, CFG_Settings::CFG_withCallFrom, CFG_Settings::CFG_withDominators });
-                currIR = buildCFGforCurrentFunc(loop->loop, settings, commonBlocks, allFuncInfo);
+                currIR = buildCFGforCurrentFunc(loop->loop, SAPFOR::CFG_Settings(true, true), commonBlocks, allFuncInfo);
                 totalErr = splitLoop(loop, messages, deep, depInfoForLoopGraph);
 
                 if (totalErr > 0)

src/Transformations/MoveOperators/move_operators.cpp

@@ -1,602 +0,0 @@
-#include <map>
-#include <set>
-#include <vector>
-#include <iostream>
-#include <algorithm>
-#include <cstring>
-#include <cstdlib>
-
-#include "../../Utils/errors.h"
-#include "../../Utils/SgUtils.h"
-#include "../../GraphCall/graph_calls.h"
-#include "../../GraphCall/graph_calls_func.h"
-#include "../../CFGraph/CFGraph.h"
-#include "../../CFGraph/IR.h"
-#include "../../GraphLoop/graph_loops.h"
-#include "move_operators.h"
-
-using namespace std;
-
-set<int> loop_tags = {FOR_NODE};
-set<int> control_tags = {IF_NODE, ELSEIF_NODE, DO_WHILE_NODE, WHILE_NODE, LOGIF_NODE};
-set<int> control_end_tags = {CONTROL_END};
-
-
-static vector<SAPFOR::IR_Block*> findInstructionsFromStatement(SgStatement* st, const vector<SAPFOR::BasicBlock*>& blocks)
-{
-    vector<SAPFOR::IR_Block*> result;
-    if (!st)
-        return result;
-
-    const int stmtId = st->id();
-    for (auto* bb : blocks)
-    {
-        if (!bb)
-            continue;
-
-        for (auto* ir : bb->getInstructions())
-        {
-            if (!ir || !ir->getInstruction())
-                continue;
-
-            SgStatement* op = ir->getInstruction()->getOperator();
-            if (op && op->id() == stmtId)
-                result.push_back(ir);
-        }
-    }
-
-    sort(result.begin(), result.end(),
-         [](const SAPFOR::IR_Block* a, const SAPFOR::IR_Block* b) { return a->getNumber() < b->getNumber(); });
-    return result;
-}
-
-vector<SAPFOR::BasicBlock*> findFuncBlocksByFuncStatement(SgStatement *st, const map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR) {
-    vector<SAPFOR::BasicBlock*> result;
-    if (!st)
-        return result;
-
-    Statement* forSt = (Statement*)st;
-    const string stmtFile = st->fileName();
-    const int stmtLine = st->lineNumber();
-
-    for (auto& func: FullIR) {
-        if (!func.first || !func.first->funcPointer)
-            continue;
-
-        const string funcFile = func.first->fileName;
-        const int funcLine = func.first->funcPointer->lineNumber();
-
-        // Important: select CFG blocks only for the same file and function header.
-        if (funcFile == stmtFile && funcLine == stmtLine)
-        {
-            result = func.second;
-            break;
-        }
-    }
-    return result;
-}
-
-map<SgForStmt*, vector<SAPFOR::BasicBlock*>> findAndAnalyzeLoops(SgStatement *st, const vector<SAPFOR::BasicBlock*>& blocks) {
-    map<SgForStmt*, vector<SAPFOR::BasicBlock*>> result;
-    SgStatement *lastNode = st->lastNodeOfStmt();
-    
-    while (st && st != lastNode) {
-        if (loop_tags.find(st -> variant()) != loop_tags.end()) {
-            SgForStmt *forSt = (SgForStmt*)st;
-            SgStatement *loopBody = forSt -> body();
-            SgStatement *lastLoopNode = st->lastNodeOfStmt();
-            set<int> blocks_nums;
-            
-            while (loopBody && loopBody != lastLoopNode) {
-                vector<SAPFOR::IR_Block*> irBlocks = findInstructionsFromStatement(loopBody, blocks);
-                if (!irBlocks.empty()) {
-                    SAPFOR::IR_Block* IR = irBlocks.front();
-                    if (IR && IR->getBasicBlock()) {
-                        if (blocks_nums.find(IR -> getBasicBlock() -> getNumber()) == blocks_nums.end()) {
-                            result[forSt].push_back(IR -> getBasicBlock());
-                            blocks_nums.insert(IR -> getBasicBlock() -> getNumber());
-                        }
-                    }
-                }
-                loopBody = loopBody -> lexNext();
-            }
-            sort(result[forSt].begin(), result[forSt].end());
-        }
-        st = st -> lexNext();
-    }
-    return result;
-}
-
-
-vector<SAPFOR::BasicBlock*> findBlocksInLoopsByFullIR(
-    SgStatement* funcStmt,
-    const map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR)
-{
-    vector<SAPFOR::BasicBlock*> result;
-    if (!funcStmt)
-        return result;
-
-    const vector<SAPFOR::BasicBlock*> funcBlocks = findFuncBlocksByFuncStatement(funcStmt, FullIR);
-    const auto loopsMapping = findAndAnalyzeLoops(funcStmt, funcBlocks);
-
-    set<SAPFOR::BasicBlock*> uniq;
-    for (const auto& kv : loopsMapping)
-        for (auto* bb : kv.second)
-            if (bb)
-                uniq.insert(bb);
-
-    result.assign(uniq.begin(), uniq.end());
-    sort(result.begin(), result.end(),
-         [](const SAPFOR::BasicBlock* a, const SAPFOR::BasicBlock* b)
-         {
-             if (!a || !b)
-                 return a < b;
-             return a->getNumber() < b->getNumber();
-         });
-
-    return result;
-}
-
-static map<SgStatement*, vector<SgStatement*>> analyzeBasicBlockIntraDependencies(const SAPFOR::BasicBlock* bb)
-{
-    map<SgStatement*, vector<SgStatement*>> result;
-    if (!bb)
-        return result;
-
-    auto isCompoundStmt = [](SgStatement* st) -> bool
-    {
-        if (!st)
-            return true;
-        const int v = st->variant();
-        return loop_tags.count(v) || control_tags.count(v) || control_end_tags.count(v);
-    };
-
-    auto isTrackable = [](const SAPFOR::Argument* a) -> bool
-    {
-        if (!a)
-            return false;
-        const auto t = a->getType();
-        return t == SAPFOR::CFG_ARG_TYPE::VAR || t == SAPFOR::CFG_ARG_TYPE::REG;
-    };
-
-    auto argKey = [&](const SAPFOR::Argument* a) -> string
-    {
-        if (!a)
-            return string();
-        return to_string((int)a->getType()) + "#" + to_string((int)a->getMemType()) + "#" + a->getValue();
-    };
-
-    auto memKeyFromInstr = [&](const SAPFOR::Instruction* instr) -> string
-    {
-        if (!instr)
-            return string();
-        SgExpression* ex = instr->getExpression();
-        if (!ex)
-            return string();
-
-        auto exprKey = [&](auto&& self, SgExpression* e) -> string
-        {
-            if (!e)
-                return string("_");
-
-            if (auto* ar = isSgArrayRefExp(e))
-            {
-                SgSymbol* sym = ar->symbol() ? OriginalSymbol(ar->symbol()) : nullptr;
-                string key = string("A(") + (sym ? sym->identifier() : "?");
-                const int n = ar->numberOfSubscripts();
-                for (int i = 0; i < n; ++i)
-                {
-                    key += ",";
-                    key += self(self, ar->subscript(i));
-                }
-                key += ")";
-                return key;
-            }
-
-            if (e->variant() == VAR_REF || e->variant() == CONST_REF)
-            {
-                SgSymbol* sym = e->symbol() ? OriginalSymbol(e->symbol()) : nullptr;
-                return string((e->variant() == VAR_REF) ? "V(" : "C(") + (sym ? sym->identifier() : "?") + ")";
-            }
-
-            if (auto* v = isSgValueExp(e))
-            {
-                if (e->variant() == INT_VAL)
-                    return string("I(") + to_string(v->intValue()) + ")";
-                if (e->variant() == BOOL_VAL)
-                    return string("B(") + (v->boolValue() ? "1" : "0") + ")";
-                if (e->variant() == CHAR_VAL)
-                    return string("CH(") + string(1, v->charValue()) + ")";
-                if (e->variant() == FLOAT_VAL)
-                    return string("F(") + (v->floatValue() ? v->floatValue() : "") + ")";
-                if (e->variant() == DOUBLE_VAL)
-                    return string("D(") + (v->doubleValue() ? v->doubleValue() : "") + ")";
-                if (e->variant() == STRING_VAL)
-                    return string("S(") + (v->stringValue() ? v->stringValue() : "") + ")";
-            }
-
-            string key = string("N(") + to_string(e->variant());
-            if (e->lhs())
-                key += ",L=" + self(self, e->lhs());
-            if (e->rhs())
-                key += ",R=" + self(self, e->rhs());
-            key += ")";
-            return key;
-        };
-
-        return "MEMEX#" + exprKey(exprKey, ex);
-    };
-
-    auto isBarrier = [&](const SAPFOR::Instruction* instr) -> bool
-    {
-        if (!instr)
-            return true;
-        const auto op = instr->getOperation();
-        switch (op)
-        {
-        case SAPFOR::CFG_OP::F_CALL:
-        case SAPFOR::CFG_OP::IO_PARAM:
-        case SAPFOR::CFG_OP::DVM_DIR:
-        case SAPFOR::CFG_OP::SPF_DIR:
-        case SAPFOR::CFG_OP::POINTER_ASS:
-        case SAPFOR::CFG_OP::EXIT:
-            return true;
-        default:
-            return false;
-        }
-    };
-
-    auto isDef = [&](const SAPFOR::Instruction* instr) -> bool
-    {
-        if (!instr)
-            return false;
-        SAPFOR::Argument* r = instr->getResult();
-        if (!isTrackable(r))
-            return false;
-
-        const auto op = instr->getOperation();
-        if (op == SAPFOR::CFG_OP::STORE || op == SAPFOR::CFG_OP::REC_REF_STORE)
-            return false;
-
-        return true;
-    };
-
-    // Reaching definitions inside the BasicBlock in straight-line order:
-    // lastDef[var] = last operator in this block that defined it.
-    map<string, pair<SgStatement*, const SAPFOR::Argument*>> lastDef;
-    map<string, pair<SgStatement*, const SAPFOR::Argument*>> lastMemDef;
-    map<SgStatement*, set<SgStatement*>> depsSets;
-
-    for (auto* ir : bb->getInstructions())
-    {
-        if (!ir || !ir->getInstruction())
-            continue;
-
-        const SAPFOR::Instruction* instr = ir->getInstruction();
-        SgStatement* opStmt = instr->getOperator();
-        if (!opStmt)
-            continue;
-        if (isCompoundStmt(opStmt))
-            continue;
-
-        if (isBarrier(instr))
-        {
-            for (auto it = lastDef.begin(); it != lastDef.end();)
-            {
-                const SAPFOR::Argument* a = it->second.second;
-                if (!a || a->isMemGlobal() || a->isParameter())
-                    it = lastDef.erase(it);
-                else
-                    ++it;
-            }
-            for (auto it = lastMemDef.begin(); it != lastMemDef.end();)
-            {
-                const SAPFOR::Argument* a = it->second.second;
-                if (!a || a->isMemGlobal() || a->isParameter())
-                    it = lastMemDef.erase(it);
-                else
-                    ++it;
-            }
-        }
-
-        if (!result.count(opStmt))
-            result[opStmt] = {};
-
-        auto addDep = [&](SAPFOR::Argument* use)
-        {
-            if (!isTrackable(use))
-                return;
-            const string k = argKey(use);
-            auto it = lastDef.find(k);
-            if (it == lastDef.end())
-                return;
-            if (it->second.first && it->second.first != opStmt)
-                depsSets[opStmt].insert(it->second.first);
-        };
-
-        auto addMemDep = [&](const string& key)
-        {
-            if (key.empty())
-                return;
-            auto it = lastMemDef.find(key);
-            if (it == lastMemDef.end())
-                return;
-            if (it->second.first && it->second.first != opStmt)
-                depsSets[opStmt].insert(it->second.first);
-        };
-
-        addDep(instr->getArg1());
-        addDep(instr->getArg2());
-        if (instr->getOperation() == SAPFOR::CFG_OP::RANGE)
-            addDep(instr->getResult());
-
-        if (instr->getOperation() == SAPFOR::CFG_OP::STORE || instr->getOperation() == SAPFOR::CFG_OP::REC_REF_STORE)
-            addDep(instr->getResult());
-
-        if (instr->getOperation() == SAPFOR::CFG_OP::LOAD || instr->getOperation() == SAPFOR::CFG_OP::REC_REF_LOAD)
-        {
-            const string memKey = memKeyFromInstr(instr);
-            addMemDep(memKey);
-        }
-
-        if (isDef(instr))
-        {
-            const string dk = argKey(instr->getResult());
-            lastDef[dk] = { opStmt, instr->getResult() };
-        }
-
-        if (instr->getOperation() == SAPFOR::CFG_OP::STORE || instr->getOperation() == SAPFOR::CFG_OP::REC_REF_STORE)
-        {
-            const string k = memKeyFromInstr(instr);
-            SAPFOR::Argument* base = instr->getArg1();
-            if (!k.empty() && base)
-                lastMemDef[k] = { opStmt, base };
-            addMemDep(k);
-        }
-    }
-
-    for (auto& kv : result)
-    {
-        SgStatement* op = kv.first;
-        auto it = depsSets.find(op);
-        if (it == depsSets.end())
-            continue;
-
-        kv.second.assign(it->second.begin(), it->second.end());
-        sort(kv.second.begin(), kv.second.end(),
-             [](SgStatement* a, SgStatement* b)
-             {
-                 const int la = a ? a->lineNumber() : -1;
-                 const int lb = b ? b->lineNumber() : -1;
-                 if (la != lb)
-                     return la < lb;
-                 return a < b;
-             });
-    }
-
-    return result;
-}
-
-static bool reorderOperatorsInBasicBlockUsingDeps(SAPFOR::BasicBlock* bb, const char* expectedFile)
-{
-    if (!bb)
-        return false;
-
-    auto isCompoundStmt = [](SgStatement* st) -> bool
-    {
-        if (!st)
-            return true;
-        const int v = st->variant();
-        return loop_tags.count(v) || control_tags.count(v) || control_end_tags.count(v);
-    };
-
-    vector<SgStatement*> ops;
-    ops.reserve(bb->getInstructions().size());
-    set<SgStatement*> seen;
-    for (auto* ir : bb->getInstructions())
-    {
-        if (!ir || !ir->getInstruction())
-            continue;
-        SgStatement* st = ir->getInstruction()->getOperator();
-        if (!st || isCompoundStmt(st))
-            continue;
-        if (seen.insert(st).second)
-            ops.push_back(st);
-    }
-
-    if (ops.size() < 2)
-        return false;
-
-    // Check that analyzed BB is in the same file as the expected file
-    const char* bbFile = ops.front()->fileName();
-    if (!bbFile)
-        bbFile = "(unknown)";
-    if (expectedFile && strcmp(expectedFile, bbFile) != 0)
-        return false;
-    for (auto* st : ops)
-    {
-        if (!st || !st->fileName() || strcmp(st->fileName(), bbFile) != 0)
-            return false;
-    }
-
-    SgStatement* parent = ops.front()->controlParent();
-    if (!parent)
-        return false;
-    for (auto* st : ops)
-        if (!st || st->controlParent() != parent)
-            return false;
-
-    set<SgStatement*> opSet(ops.begin(), ops.end());
-    {
-        SgStatement* lastNode = parent->lastNodeOfStmt();
-        SgStatement* cur = ops.front();
-        size_t idx = 0;
-
-        {
-            SgStatement* scan = parent->lexNext();
-            SgStatement* end = lastNode;
-            bool found = false;
-            set<SgStatement*> visited;
-            while (scan && scan != end)
-            {
-                if (!visited.insert(scan).second)
-                    return false;
-                if (scan == ops.front())
-                {
-                    found = true;
-                    break;
-                }
-                scan = scan->lexNext();
-            }
-            if (!found)
-                return false;
-        }
-
-        while (cur && cur != lastNode && idx < ops.size())
-        {
-            if (cur == ops[idx])
-                ++idx;
-            else if (isSgExecutableStatement(cur) && !opSet.count(cur))
-                return false;
-            if (idx == ops.size())
-                break;
-            cur = cur->lexNext();
-        }
-        if (idx != ops.size())
-            return false;
-    }
-
-    // Compute dependencies (inside BB) and build a new order by moving each statement
-    // as close as possible after its last dependency (if any).
-    const auto depsMap = analyzeBasicBlockIntraDependencies(bb);
-    vector<SgStatement*> order = ops;
-
-    auto indexIn = [](const vector<SgStatement*>& v, SgStatement* s) -> int
-    {
-        for (int i = 0; i < (int)v.size(); ++i)
-            if (v[i] == s)
-                return i;
-        return -1;
-    };
-
-    for (SgStatement* s : ops)
-    {
-        auto itDeps = depsMap.find(s);
-        if (itDeps == depsMap.end() || itDeps->second.empty())
-            continue;
-
-        int posS = indexIn(order, s);
-        if (posS < 0)
-            continue;
-
-        int lastDepIdx = -1;
-        for (SgStatement* dep : itDeps->second)
-        {
-            const int j = indexIn(order, dep);
-            if (j >= 0)
-                lastDepIdx = max(lastDepIdx, j);
-        }
-        if (lastDepIdx < 0)
-            continue;
-
-        if (posS == lastDepIdx + 1)
-            continue;
-
-        order.erase(order.begin() + posS);
-
-        int lp = lastDepIdx;
-        if (posS < lastDepIdx)
-            lp = lastDepIdx - 1;
-
-        const int insertAt = lp + 1;
-        order.insert(order.begin() + insertAt, s);
-    }
-
-    bool changed = false;
-    for (size_t i = 0; i < ops.size(); ++i)
-        if (ops[i] != order[i])
-        {
-            changed = true;
-            break;
-        }
-    if (!changed)
-        return false;
-
-    SgStatement* anchor = parent;
-    {
-        SgStatement* scan = parent->lexNext();
-        SgStatement* end = parent->lastNodeOfStmt();
-        while (scan && scan != end)
-        {
-            if (scan == ops.front())
-                break;
-            anchor = scan;
-            scan = scan->lexNext();
-        }
-    }
-
-    // apply AST reordering
-    map<SgStatement*, int> savedLine;
-    map<SgStatement*, char*> savedComments;
-    map<SgStatement*, SgStatement*> extracted;
-
-    for (SgStatement* st : ops)
-    {
-        if (!st)
-            return false;
-
-        savedLine[st] = st->lineNumber();
-        savedComments[st] = st->comments() ? strdup(st->comments()) : nullptr;
-
-        SgStatement* ex = st->extractStmt();
-        if (!ex)
-            return false;
-        extracted[st] = ex;
-    }
-
-    SgStatement* insertAfter = anchor;
-    for (SgStatement* st : order)
-    {
-        SgStatement* ex = extracted[st];
-        if (!ex)
-            continue;
-
-        auto itC = savedComments.find(st);
-        if (itC != savedComments.end() && itC->second)
-            ex->setComments(itC->second);
-
-        auto itL = savedLine.find(st);
-        if (itL != savedLine.end())
-            ex->setlineNumber(itL->second);
-
-        insertAfter->insertStmtAfter(*ex, *parent);
-        insertAfter = ex;
-    }
-
-    for (auto& kv : savedComments)
-        if (kv.second)
-            free(kv.second);
-
-    return true;
-}
-
-void moveOperators(SgFile* file, const map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR, int& countOfTransform) {
-    if (!file)
-        return;
-    if (SgFile::switchToFile(file->filename()) == -1)
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-    const int funcNum = file->numberOfFunctions();
-    for (int i = 0; i < funcNum; ++i)
-    {
-        SgStatement* st = file->functions(i);
-
-        const auto loopBlocks = findBlocksInLoopsByFullIR(st, FullIR);
-        for (auto* bb : loopBlocks)
-        {
-            if (!bb)
-                continue;
-            if (reorderOperatorsInBasicBlockUsingDeps(bb, file->filename()))
-                countOfTransform += 1;
-        }
-    }
-}

src/Transformations/MoveOperators/move_operators.h

@@ -1,6 +0,0 @@
-#pragma once
-
-#include "../../GraphLoop/graph_loops.h"
-#include "../../CFGraph/CFGraph.h"
-
-void moveOperators(SgFile* file, const std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR, int& countOfTransform);

src/Transformations/PrivateArrayRemoving/private_removing.cpp

@@ -13,7 +13,6 @@ using std::set;
 using std::string;
 using std::vector;
 using std::wstring;
-using SAPFOR::CFG_Settings;
 
 using CFG_Type = map<FuncInfo*, vector<SAPFOR::BasicBlock*>>;
 using UsersDirectives = map<pair<string, int>, set<SgStatement*>>;
@@ -2208,8 +2207,8 @@ static void removePrivateAnalyze(Context *ctx)
         makeDeclaration(ctx->loopStmt, vector<SgSymbol*> {receiverVar}, nullptr)
     ));
 
-    const auto settings = CFG_Settings({ CFG_Settings::CFG_atLeastOneIterInLoop, CFG_Settings::CFG_withRD, CFG_Settings::CFG_withCallFrom, CFG_Settings::CFG_withDominators });
-    CFG_Type CFG_ForFunc = buildCFGforCurrentFunc(ctx->loopStmt, settings,
+    CFG_Type CFG_ForFunc = buildCFGforCurrentFunc(ctx->loopStmt,
+                                                  SAPFOR::CFG_Settings(true, true),
                                                   ctx->commonBlocks, ctx->allFuncInfo);
     if (CFG_ForFunc.empty())
         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);

src/Transformations/ReplaceArraysInIO/replace_dist_arrays_in_io.cpp

@@ -504,7 +504,7 @@ static void replaceArrayInFragment(SgSymbol* replace_symb,
     }
 }
 
-static bool ioRegionBorder(SgStatement* stat, SgStatement* last_io_bound)
+static bool ioReginBorder(SgStatement* stat, SgStatement* last_io_bound)
 {
     auto var = stat->variant();
 
@@ -535,24 +535,14 @@ static bool ioRegionBorder(SgStatement* stat, SgStatement* last_io_bound)
     if (last_io_bound && last_io_bound->lastNodeOfStmt() && last_io_bound->lastNodeOfStmt() == stat)
         return true;
 
+    int parent_var;
+
     if (var == CONTROL_END && border_stats.find(stat->controlParent()->variant()) != border_stats.end())
         return true;
 
     return false;
 }
 
-FuncInfo* getCurrentFuncInfo(const vector<FuncInfo*>& fileFuncInfo, int line)
-{
-    for (auto* func : fileFuncInfo)
-    {
-        if (func->linesNum.first <= line && line <= func->linesNum.second)
-            return func;
-    }
-
-    printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-    return NULL;
-}
-
 void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
                                   const map<string, vector<FuncInfo*>>& allFuncInfo,
                                   map<string, vector<Messages>>& SPF_messages,
@@ -572,8 +562,6 @@ void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
             if (SgFile::switchToFile(current_file_name) == -1)
                 printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
-            FuncInfo *current_func_info = NULL;
-
             auto func_info_it = allFuncInfo.find(current_file_name);
             if (func_info_it == allFuncInfo.end())
                 printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
@@ -600,12 +588,13 @@ void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
                 {
                     curr_stmt = lines.stats.first->GetOriginal();
                     end = lines.stats.second->GetOriginal()->lexNext();
-                    current_func_info = getCurrentFuncInfo(func_info_it->second, curr_stmt->lineNumber());
                 }
 
                 map<SgSymbol*, set<SgStatement*>> need_replace;
                 SgStatement* last_io_bound = NULL;
 
+                FuncInfo *current_func_info = NULL;
+
                 while (curr_stmt != end)
                 {
                     if (!curr_stmt)
@@ -615,7 +604,18 @@ void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
 
                     if (var == PROC_HEDR || var == PROG_HEDR || var == FUNC_HEDR)
                     {
-                        current_func_info = getCurrentFuncInfo(func_info_it->second, curr_stmt->lineNumber());
+                        current_func_info = NULL;
+                        for (auto *func_info : func_info_it->second)
+                        {
+                            if (func_info->funcName == curr_stmt->symbol()->identifier())
+                            {
+                                current_func_info = func_info;
+                                break;
+                            }
+                        }
+
+                        if (!current_func_info)
+                            printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
                         curr_stmt = curr_stmt->lexNext();
                         while (curr_stmt && !isSgExecutableStatement(curr_stmt))
@@ -628,7 +628,7 @@ void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
                             break;
                     }
 
-                    if (ioRegionBorder(curr_stmt, last_io_bound))
+                    if (ioReginBorder(curr_stmt, last_io_bound))
                     {
                         for (const auto& by_array_to_copy : need_replace)
                         {

src/Transformations/SwapOperators/swap_operators.cpp

@@ -0,0 +1,422 @@
+#include <map>
+#include <unordered_set>
+#include <vector>
+#include <queue>
+#include <iostream>
+
+#include "../../Utils/errors.h"
+#include "../../Utils/SgUtils.h"
+#include "../../GraphCall/graph_calls.h"
+#include "../../GraphCall/graph_calls_func.h"
+#include "../../CFGraph/CFGraph.h"
+#include "../../CFGraph/IR.h"
+#include "../../GraphLoop/graph_loops.h"
+#include "swap_operators.h"
+
+using namespace std;
+
+
+unordered_set<int> loop_tags = {FOR_NODE/*, FORALL_NODE, WHILE_NODE, DO_WHILE_NODE*/};
+unordered_set<int> importantDepsTags = {FOR_NODE, IF_NODE};
+unordered_set<int> importantUpdDepsTags = {ELSEIF_NODE};
+unordered_set<int> importantEndTags = {CONTROL_END};
+
+
+vector<SAPFOR::IR_Block*> findInstructionsFromOperator(SgStatement* st, vector<SAPFOR::BasicBlock*> Blocks)
+{
+    vector<SAPFOR::IR_Block*> result;
+    string filename = st -> fileName();
+    for (auto& block: Blocks)
+    {
+        vector<SAPFOR::IR_Block*> instructionsInBlock = block -> getInstructions();
+        for (auto& instruction: instructionsInBlock)
+        {
+            SgStatement* curOperator = instruction -> getInstruction() -> getOperator();
+            if (curOperator -> lineNumber() == st -> lineNumber())
+                result.push_back(instruction);
+        }
+    }
+    return result;
+}
+
+vector<SAPFOR::BasicBlock*> findFuncBlocksByFuncStatement(SgStatement *st, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR)
+{
+    vector<SAPFOR::BasicBlock*> result;
+    Statement* forSt = (Statement*)st;
+    for (auto& func: FullIR)
+    {
+        if (func.first -> funcPointer -> getCurrProcessFile() == forSt -> getCurrProcessFile()
+            && func.first -> funcPointer -> lineNumber() == forSt -> lineNumber())
+            result = func.second;
+    }
+    return result;
+}
+
+map<SgForStmt*, vector<SAPFOR::BasicBlock*>> findAndAnalyzeLoops(SgStatement *st, vector<SAPFOR::BasicBlock*> blocks)
+{
+    map<SgForStmt*, vector<SAPFOR::BasicBlock*>> result;
+    SgStatement *lastNode = st->lastNodeOfStmt();
+    while (st && st != lastNode)
+    {
+        if (loop_tags.find(st -> variant()) != loop_tags.end())
+        {
+            // part with find statements of loop
+            SgForStmt *forSt = (SgForStmt*)st;
+            SgStatement *loopBody = forSt -> body();
+            SgStatement *lastLoopNode = st->lastNodeOfStmt();
+            // part with find blocks and instructions of loops
+            unordered_set<int> blocks_nums;
+            while (loopBody && loopBody != lastLoopNode)
+            {
+                SAPFOR::IR_Block* IR = findInstructionsFromOperator(loopBody, blocks).front();
+                if (blocks_nums.find(IR -> getBasicBlock() -> getNumber()) == blocks_nums.end())
+                {
+                    result[forSt].push_back(IR -> getBasicBlock());
+                    blocks_nums.insert(IR -> getBasicBlock() -> getNumber());
+                }
+                loopBody = loopBody -> lexNext();
+            }
+            std::sort(result[forSt].begin(), result[forSt].end());
+        }
+        st = st -> lexNext();
+    }
+    return result;
+}
+
+map<SgStatement*, set<SgStatement*>> AnalyzeLoopAndFindDeps(SgForStmt* forStatement, vector<SAPFOR::BasicBlock*> loopBlocks, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR)
+{
+    map<SgStatement*, set<SgStatement*>> result;
+    for (SAPFOR::BasicBlock* bb: loopBlocks)
+    {
+        map<SAPFOR::Argument*, set<int>> blockReachingDefinitions = bb -> getRD_In();
+        vector<SAPFOR::IR_Block*> instructions = bb -> getInstructions();
+        for (SAPFOR::IR_Block* irBlock: instructions)
+        {
+            // TODO: Think about what to do with function calls and array references. Because there are also dependencies there that are not reflected in RD, but they must be taken into account
+            SAPFOR::Instruction* instr = irBlock -> getInstruction();
+            result[instr -> getOperator()];
+            // take Argument 1 and it's RD and push operators to final set
+            if (instr -> getArg1() != NULL)
+            {
+                SAPFOR::Argument* arg = instr -> getArg1();
+                set<int> prevInstructionsNumbers = blockReachingDefinitions[arg];
+                for (int i: prevInstructionsNumbers)
+                {
+                    SAPFOR::Instruction* foundInstruction = getInstructionAndBlockByNumber(FullIR, i).first;
+                    if (foundInstruction != NULL)
+                    {
+                        SgStatement* prevOp = foundInstruction -> getOperator();
+                        if (prevOp != forStatement && instr -> getOperator() != forStatement && instr -> getOperator() -> lineNumber() > prevOp -> lineNumber()
+                            && prevOp -> lineNumber() > forStatement -> lineNumber())
+                            result[instr -> getOperator()].insert(prevOp);
+                    }
+                }
+            }
+            // take Argument 2 (if exists) and it's RD and push operators to final set
+            if (instr -> getArg2() != NULL)
+            {
+                SAPFOR::Argument* arg = instr -> getArg2();
+                set<int> prevInstructionsNumbers = blockReachingDefinitions[arg];
+                for (int i: prevInstructionsNumbers)
+                {
+                    SAPFOR::Instruction* foundInstruction = getInstructionAndBlockByNumber(FullIR, i).first;
+                    if (foundInstruction != NULL)
+                    {
+                        SgStatement* prevOp = foundInstruction -> getOperator();
+                        if (prevOp != forStatement && instr -> getOperator() != forStatement&& instr -> getOperator() -> lineNumber() > prevOp -> lineNumber()
+                            && prevOp -> lineNumber() > forStatement -> lineNumber())
+                            result[instr -> getOperator()].insert(prevOp);
+                    }
+                }
+            }
+            // update RD
+            if (instr -> getResult() != NULL)
+                blockReachingDefinitions[instr -> getResult()] = {instr -> getNumber()};
+        }
+    }
+    return result;
+}
+
+void buildAdditionalDeps(SgForStmt* forStatement, map<SgStatement*, set<SgStatement*>>& dependencies)
+{
+    SgStatement* lastNode = forStatement->lastNodeOfStmt();
+    vector<SgStatement*> importantDeps;
+    SgStatement* st = (SgStatement*) forStatement;
+    st = st -> lexNext();
+    SgStatement* logIfOp = NULL;
+    while (st && st != lastNode)
+    {
+        if(importantDeps.size() != 0)
+        {
+            if (st != importantDeps.back())
+            {
+                dependencies[st].insert(importantDeps.back());
+            }
+        }
+        if (logIfOp != NULL)
+        {
+            dependencies[st].insert(logIfOp);
+            logIfOp = NULL;
+        }
+        if (st -> variant() == LOGIF_NODE)
+        {
+            logIfOp = st;
+        }
+        if (importantDepsTags.find(st -> variant()) != importantDepsTags.end())
+        {
+            importantDeps.push_back(st);
+        }
+        if (importantUpdDepsTags.find(st -> variant()) != importantUpdDepsTags.end())
+        {
+            importantDeps.pop_back();
+            importantDeps.push_back(st);
+        }
+        if (importantEndTags.find(st -> variant()) != importantEndTags.end())
+        {
+            if(importantDeps.size() != 0)
+            {
+                importantDeps.pop_back();
+            }
+        }
+        st = st -> lexNext();
+    }
+}
+
+struct ReadyOp {
+    SgStatement* stmt;
+    int degree;
+    size_t arrival;
+    ReadyOp(SgStatement* s, int d, size_t a): stmt(s), degree(d), arrival(a) {}
+};
+
+struct ReadyOpCompare {
+    bool operator()(const ReadyOp& a, const ReadyOp& b) const {
+        if (a.degree != b.degree)
+            return a.degree > b.degree;
+        else
+            return a.arrival > b.arrival;
+    }
+};
+
+vector<SgStatement*> scheduleOperations(const map<SgStatement*, set<SgStatement*>>& dependencies)
+{
+    // get all statements
+    unordered_set<SgStatement*> allStmtsSet;
+    for (const auto& pair : dependencies)
+    {
+        allStmtsSet.insert(pair.first);
+        for (SgStatement* dep : pair.second)
+        {
+            allStmtsSet.insert(dep);
+        }
+    }
+    vector<SgStatement*> allStmts(allStmtsSet.begin(), allStmtsSet.end());
+    // count deps and build reversed graph
+    unordered_map<SgStatement*, vector<SgStatement*>> graph;
+    unordered_map<SgStatement*, int> inDegree;
+    unordered_map<SgStatement*, int> degree;
+    for (auto op : allStmts)
+        inDegree[op] = 0;
+    // find and remember initial dependencies
+    unordered_set<SgStatement*> dependentStmts;
+    for (const auto& pair : dependencies)
+    {
+        SgStatement* op = pair.first;
+        const auto& deps = pair.second;
+        degree[op] = deps.size();
+        inDegree[op] = deps.size();
+        if (!deps.empty())
+            dependentStmts.insert(op);
+        for (auto dep : deps)
+            graph[dep].push_back(op);
+    }
+    for (SgStatement* op : allStmts)
+    {
+        if (!degree.count(op))
+        {
+            degree[op] = 0;
+        }
+    }
+    // build queues
+    using PQ = priority_queue<ReadyOp, vector<ReadyOp>, ReadyOpCompare>;
+    PQ readyDependent;
+    queue<SgStatement*> readyIndependent;
+    size_t arrivalCounter = 0;
+    for (auto op : allStmts)
+    {
+        if (inDegree[op] == 0)
+        {
+            if (dependentStmts.count(op))
+            {
+                readyDependent.emplace(op, degree[op], arrivalCounter++);
+            }
+            else
+            {
+                readyIndependent.push(op);
+            }
+        }
+    }
+    // main sort algorythm
+    vector<SgStatement*> executionOrder;
+    while (!readyDependent.empty() || !readyIndependent.empty())
+    {
+        SgStatement* current = nullptr;
+        if (!readyDependent.empty())
+        {
+            current = readyDependent.top().stmt;
+            readyDependent.pop();
+        }
+        else
+        {
+            current = readyIndependent.front();
+            readyIndependent.pop();
+        }
+        executionOrder.push_back(current);
+        for (SgStatement* neighbor : graph[current])
+        {
+            inDegree[neighbor]--;
+            if (inDegree[neighbor] == 0) {
+                if (dependentStmts.count(neighbor))
+                {
+                    readyDependent.emplace(neighbor, degree[neighbor], arrivalCounter++);
+                }
+                else
+                {
+                    readyIndependent.push(neighbor);
+                }
+            }
+        }
+    }
+    return executionOrder;
+}
+
+static bool buildNewAST(SgStatement* loop, vector<SgStatement*>& newBody)
+{
+    if (!loop) {return false;}   
+    if (newBody.empty()) {return true;}
+    if (loop->variant() != FOR_NODE) {return false;}
+
+    SgStatement* loopStart = loop->lexNext();
+    SgStatement* loopEnd = loop->lastNodeOfStmt();
+    if (!loopStart || !loopEnd) {return false;}
+
+    for (SgStatement* stmt : newBody) {
+        if (stmt && stmt != loop && stmt != loopEnd) {
+            SgStatement* current = loopStart;
+            bool found = false;
+            while (current && current != loopEnd->lexNext()) {
+                if (current == stmt) {
+                    found = true;
+                    break;
+                }
+                current = current->lexNext();
+            }
+            if (!found) {return false;}
+        }
+    }
+
+    vector<SgStatement*> extractedStatements;
+    vector<char*> savedComments;
+    vector<int> savedLineNumbers;
+
+    for (SgStatement* stmt : newBody) {
+        if (stmt && stmt != loop && stmt != loopEnd) {
+            savedComments.push_back(stmt->comments() ? strdup(stmt->comments()) : nullptr);
+            savedLineNumbers.push_back(stmt->lineNumber());
+            SgStatement* extracted = stmt->extractStmt();
+            if (extracted) {extractedStatements.push_back(extracted);}
+        }
+    }
+
+    SgStatement* currentPos = loop;
+    int lineCounter = loop->lineNumber() + 1;
+    
+    for (size_t i = 0; i < extractedStatements.size(); i++) {
+        SgStatement* stmt = extractedStatements[i];
+        if (stmt) {
+            if (i < savedComments.size() && savedComments[i]) {
+                stmt->setComments(savedComments[i]);
+            }
+            stmt->setlineNumber(lineCounter++);
+            currentPos->insertStmtAfter(*stmt, *loop);
+            currentPos = stmt;
+        }
+    }
+
+    for (char* comment : savedComments) {
+        if (comment) {
+            free(comment);
+        }
+    }
+
+    if (currentPos && currentPos->lexNext() != loopEnd) {
+        currentPos->setLexNext(*loopEnd);
+    }
+    
+    return true;
+}
+
+static bool validateNewOrder(SgStatement* loop, const vector<SgStatement*>& newOrder)
+{
+    if (!loop || newOrder.empty()) {
+        return true;
+    }
+    unordered_set<SgStatement*> seen;
+    for (SgStatement* stmt : newOrder) {
+        if (stmt && stmt != loop && stmt != loop->lastNodeOfStmt()) {
+            if (seen.count(stmt)) {
+                return false;
+            }
+            seen.insert(stmt);
+        }
+    }
+    return true;
+}
+
+void runSwapOperators(SgFile *file, std::map<std::string, std::vector<LoopGraph*>>& loopGraph, std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR, int& countOfTransform)
+{
+    std::cout << "SWAP_OPERATORS Pass" << std::endl;    // to remove
+    countOfTransform += 1;                              // to remove
+
+    const int funcNum = file -> numberOfFunctions();
+    for (int i = 0; i < funcNum; ++i)
+    {
+        SgStatement *st = file -> functions(i);
+        vector<SAPFOR::BasicBlock*> blocks = findFuncBlocksByFuncStatement(st, FullIR);
+        map<SgForStmt*, vector<SAPFOR::BasicBlock*>> loopsMapping = findAndAnalyzeLoops(st, blocks);
+        for (pair<SgForStmt*, vector<SAPFOR::BasicBlock*>> loopForAnalyze: loopsMapping)
+        {
+            map<SgStatement*, set<SgStatement*>> dependencyGraph = AnalyzeLoopAndFindDeps(loopForAnalyze.first, loopForAnalyze.second, FullIR);
+            // TODO: Write a function that will go through the operators and update all dependencies so that there are no mix-ups and splits inside the semantic blocks (for if, do and may be some other cases)
+            buildAdditionalDeps(loopForAnalyze.first, dependencyGraph);
+            cout << endl;
+            int firstLine = loopForAnalyze.first -> lineNumber();
+            int lastLine = loopForAnalyze.first -> lastNodeOfStmt() -> lineNumber();
+            cout << "LOOP ANALYZE FROM " << firstLine << " TO " << lastLine << " RES" << endl;
+            // for (auto &v: dependencyGraph) {
+            //     cout << "OPERATOR: " << v.first -> lineNumber()  << "    " << v.first -> variant() << "\nDEPENDS ON:" << endl;
+            //     if (v.second.size() != 0)
+            //         for (auto vv: v.second)
+            //             cout << vv -> lineNumber() << "  ";
+            //     cout << endl;
+            // }
+            vector<SgStatement*> new_order = scheduleOperations(dependencyGraph);
+            cout << "RESULT ORDER:" << endl;
+            for (auto v: new_order) 
+                if (v -> lineNumber() > firstLine) 
+                    cout << v -> lineNumber() << endl;
+
+            if (validateNewOrder(loopForAnalyze.first, new_order)) {
+                buildNewAST(loopForAnalyze.first, new_order);
+            }
+            st = loopForAnalyze.first -> lexNext();
+            while (st != loopForAnalyze.first -> lastNodeOfStmt())
+            {
+                cout << st -> lineNumber() << "    " << st -> sunparse() << endl;
+                st = st -> lexNext();
+            }
+        }
+    }
+
+    return;
+};

src/Transformations/SwapOperators/swap_operators.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#include "../../GraphLoop/graph_loops.h"
+#include "../../CFGraph/CFGraph.h"
+
+void runSwapOperators(SgFile *file, std::map<std::string, std::vector<LoopGraph*>>& loopGraph, std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR, int& countOfTransform);

src/Utils/PassManager.h

@@ -206,20 +206,20 @@ void InitPassesDependencies(map<passes, vector<passes>> &passDepsIn, set<passes>
 
     Pass(DEF_USE_STAGE1) <= Pass(DEF_USE_STAGE2);
 
-    list({ VERIFY_DVM_DIRS, VERIFY_COMMON, FILL_COMMON_BLOCKS, PRIVATE_CALL_GRAPH_STAGE1, PRIVATE_CALL_GRAPH_STAGE2, MACRO_EXPANSION, CONVERT_ASSIGN_TO_LOOP, DEF_USE_STAGE1, DEF_USE_STAGE2, FILL_PARALLEL_REG_IR, CALL_GRAPH_IR }) <= list({ SUBST_EXPR, SUBST_EXPR_RD, BUILD_IR });
-
-    Pass(VERIFY_COMMON) <= Pass(FILL_COMMON_BLOCKS);
+    list({ VERIFY_DVM_DIRS, PRIVATE_CALL_GRAPH_STAGE1, PRIVATE_CALL_GRAPH_STAGE2, MACRO_EXPANSION, CONVERT_ASSIGN_TO_LOOP, DEF_USE_STAGE1, DEF_USE_STAGE2, FILL_PARALLEL_REG_IR, VERIFY_COMMON, FILL_COMMON_BLOCKS, CALL_GRAPH_IR }) <= list({ SUBST_EXPR, SUBST_EXPR_RD, BUILD_IR });
 
     Pass(BUILD_IR) <= Pass(SUBST_EXPR) <= Pass(SUBST_EXPR_AND_UNPARSE);
 
     Pass(BUILD_IR) <= Pass(SUBST_EXPR_RD) <= Pass(SUBST_EXPR_RD_AND_UNPARSE);
 
+    list({BUILD_IR, CALL_GRAPH2}) <= Pass(SWAP_OPERATORS);
+
     list({ LOOP_ANALYZER_DATA_DIST_S1, SUBST_EXPR_RD } ) <= Pass(PRIVATE_REMOVING_ANALYSIS);
     list({ PRIVATE_REMOVING_ANALYSIS, REVERT_SUBST_EXPR_RD }) <= Pass(PRIVATE_REMOVING);
 
     Pass(RESTORE_LOOP_FROM_ASSIGN) <= list({ SUBST_EXPR_AND_UNPARSE, SUBST_EXPR_RD_AND_UNPARSE });
 
-    Pass(FILL_COMMON_BLOCKS) <= Pass(GET_ALL_ARRAY_DECL) <= list({ CALL_GRAPH_IR, INSERT_NO_DISTR_FLAGS_FROM_GUI });
+    Pass(GET_ALL_ARRAY_DECL) <= list({ CALL_GRAPH_IR, INSERT_NO_DISTR_FLAGS_FROM_GUI });
 
     Pass(LOOP_GRAPH) <= Pass(PRIVATE_CALL_GRAPH_STAGE3) <= list(FIND_FUNC_TO_INCLUDE, PRIVATE_ANALYSIS_IR) <= list({ LOOP_ANALYZER_DATA_DIST_S0, LOOP_ANALYZER_DATA_DIST_S1, ONLY_ARRAY_GRAPH, LOOP_ANALYZER_ALIGNS });
 
@@ -229,7 +229,7 @@ void InitPassesDependencies(map<passes, vector<passes>> &passDepsIn, set<passes>
 
     list({ VERIFY_OPERATORS, VERIFY_ENDDO, VERIFY_INCLUDES, PREPROC_SPF, PREPROC_ALLOCATES, GET_ALL_ARRAY_DECL, GCOV_PARSER }) <= list({ CALL_GRAPH, MACRO_EXPANSION, DEF_USE_STAGE1 });
 
-    list({ VERIFY_OPERATORS, VERIFY_ENDDO, VERIFY_INCLUDES, PREPROC_ALLOCATES, FILL_PARALLEL_REG_IR }) <= list({ FILL_COMMON_BLOCKS, GET_ALL_ARRAY_DECL, PARSE_OMP_DIRS }) <= Pass(PREPROC_SPF);
+    list({ VERIFY_OPERATORS, VERIFY_ENDDO, VERIFY_INCLUDES, PREPROC_ALLOCATES, FILL_PARALLEL_REG_IR }) <= list({ GET_ALL_ARRAY_DECL, FILL_COMMON_BLOCKS, PARSE_OMP_DIRS }) <= Pass(PREPROC_SPF);
 
     Pass(CHECK_PAR_REG_DIR) <= Pass(FILL_PARALLEL_REG_IR);
 
@@ -318,11 +318,7 @@ void InitPassesDependencies(map<passes, vector<passes>> &passDepsIn, set<passes>
 
     list({ VERIFY_INCLUDES, CORRECT_VAR_DECL }) <= Pass(SET_IMPLICIT_NONE);
 
-    list({ ARRAY_PROPAGATION, CALL_GRAPH2, CALL_GRAPH, BUILD_IR, LOOP_GRAPH, LOOP_ANALYZER_DATA_DIST_S2 }) <= Pass(FIND_PRIVATE_ARRAYS_ANALYSIS);
-    list({ FIND_PRIVATE_ARRAYS_ANALYSIS, CONVERT_LOOP_TO_ASSIGN, RESTORE_LOOP_FROM_ASSIGN, REVERT_SUBST_EXPR_RD }) <= Pass(FIND_PRIVATE_ARRAYS);
-
-    list({ BUILD_IR, CALL_GRAPH2, RESTORE_LOOP_FROM_ASSIGN, REVERT_SUBST_EXPR_RD }) <= Pass(MOVE_OPERATORS);
-    Pass(CREATE_TEMPLATE_LINKS) <= Pass(MERGE_REGIONS);
+    list({ CALL_GRAPH2, CALL_GRAPH, BUILD_IR, LOOP_GRAPH, LOOP_ANALYZER_DATA_DIST_S2 }) <= Pass(FIND_PRIVATE_ARRAYS);
 
     passesIgnoreStateDone.insert({ CREATE_PARALLEL_DIRS, INSERT_PARALLEL_DIRS, INSERT_SHADOW_DIRS, EXTRACT_PARALLEL_DIRS, 
                                    EXTRACT_SHADOW_DIRS, CREATE_REMOTES, UNPARSE_FILE, REMOVE_AND_CALC_SHADOW,

src/Utils/SgUtils.cpp

@@ -577,20 +577,10 @@ string removeIncludeStatsAndUnparse(SgFile *file, const char *fileName, const ch
                 for (auto& incl : inclByPos.second)
                     inlcude += (renameIncludes ? renameInclude(incl) : incl);
 
-            //check inserted operators
-            SgStatement* toInsert = st;
-            do {
-                auto lexPrev = toInsert->lexPrev();
-                if (lexPrev && lexPrev->variant() > 0 && lexPrev->lineNumber() < 0)
-                    toInsert = lexPrev;
-                else
-                    break;                
-            } while (true);
-
-            if (toInsert->comments())
-                toInsert->setComments((inlcude + toInsert->comments()).c_str());
+            if (st->comments())
+                st->setComments((inlcude + st->comments()).c_str());
             else
-                toInsert->addComment(inlcude.c_str());
+                st->addComment(inlcude.c_str());
         }
     }
 
@@ -658,7 +648,7 @@ string removeIncludeStatsAndUnparse(SgFile *file, const char *fileName, const ch
 
                 if (wasDeleted)
                 {
-                    if (str.size() && str.back() != '\n')
+                    if (str.size() || str.back() != '\n')
                         str += '\n';
                     st->setComments(str.c_str());
                 }
@@ -944,14 +934,8 @@ void fillNonDistrArraysAsPrivate(SgStatement *st,
         {
             auto itD = declaredArrays.find(*itSet);
             if (itD != declaredArrays.end())
-            {
-                const auto array = itD->second.first;
-                if (array->IsNotDistribute())
-                {
-                    auto symb = array->GetDeclSymbol(make_pair(st->fileName(), st->lineNumber()));
-                    privatesVars.insert(symb->identifier());
-                }
-            }
+                if (itD->second.first->IsNotDistribute())
+                    privatesVars.insert(itD->second.first->GetShortName());
         }
     }
 }
@@ -969,21 +953,9 @@ DIST::Array* getArrayFromDeclarated(SgStatement *st, const string &arrayName)
         for (auto itSet = it->second.begin(); itSet != it->second.end() && !found; ++itSet)
         {
             auto itD = declaredArrays.find(*itSet);
-            if (itD != declaredArrays.end()) 
-            {
-                DIST::Array* array = itD->second.first;
-                if (array->GetLocation().first == DIST::l_COMMON)
-                {
-                    auto symb = array->GetDeclSymbol(make_pair(st->fileName(), st->lineNumber()));
-                    if (symb && symb->identifier() == arrayName)
-                        found = array;
-                }
-                else
-                {
-                    if (array->GetShortName() == arrayName)
-                        found = array;
-                }
-            }
+            if (itD != declaredArrays.end())
+                if (itD->second.first->GetShortName() == arrayName)
+                    found = itD->second.first;
         }
     }
     return found;
@@ -1292,32 +1264,6 @@ static SgExpression* isInCommon(const vector<SgExpression*> &commonBlocks, const
     return NULL;
 }
 
-//all common block in project
-extern map<string, CommonBlock*> commonBlocks;
-static string getCommonNameOnPos(const string& name, const int commonPos)
-{
-    if (commonBlocks.size() == 0)
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-    auto it = commonBlocks.find(name);
-    if (it == commonBlocks.end())
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-    auto inPos = it->second->getGroupedVars().find(commonPos);
-    if (inPos == it->second->getGroupedVars().end())
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-    set<string> namesOnPos;
-
-    for (auto& var : inPos->second)
-        namesOnPos.insert(var->getName());
-
-    if (namesOnPos.size() == 0)
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-    return *namesOnPos.begin();
-}
-
 static map<tuple<string, string, int>, tuple<int, string, string>> tableOfUniqNames;
 tuple<int, string, string> getUniqName(const map<string, vector<SgExpression*>> &commonBlocks, SgStatement *decl, SgSymbol *symb)
 {
@@ -1326,7 +1272,6 @@ tuple<int, string, string> getUniqName(const map<string, vector<SgExpression*>>
     int commonPos = 0;
 
     SgExpression *foundCommon = NULL;
-    string symbCommn = "";
 
     SgStatement *declCP = decl->controlParent();
     // find symbol in parameter list of functions
@@ -1362,7 +1307,6 @@ tuple<int, string, string> getUniqName(const map<string, vector<SgExpression*>>
             if (foundCommon)
             {
                 inCommon = true;
-                symbCommn = getCommonNameOnPos(common.first, commonPos);
                 break;
             }
         }
@@ -1370,7 +1314,7 @@ tuple<int, string, string> getUniqName(const map<string, vector<SgExpression*>>
 
     tuple<int, string, string> retVal;
     if (inCommon)
-        retVal = make_tuple(commonPos, string("common_") + getCommonName(foundCommon), symbCommn);
+        retVal = make_tuple(commonPos, string("common_") + getCommonName(foundCommon), string(symb->identifier()));
     else
         retVal = make_tuple(decl->lineNumber(), string(decl->fileName()), string(symb->identifier()));
 

src/Utils/module_utils.cpp

@@ -337,15 +337,10 @@ const set<SgSymbol*>& getModuleSymbols(SgStatement *func)
     //if function or module in contains
     auto cp = func->controlParent();
     if (isSgProgHedrStmt(cp) || cp->variant() == MODULE_STMT)
-    {
         getModuleSymbols(cp, symbs);
 
-        if (func->variant() == FUNC_HEDR)
-            symbs.insert(func->symbol());
-    }
-
     symbolsForFunc[func->symbol()->identifier()] = symbs;
-    return symbolsForFunc[func->symbol()->identifier()];
+    return symbs;
 }
 
 static void findSymbol(SgStatement* func, const string& varName, const string& locName,
@@ -354,19 +349,9 @@ static void findSymbol(SgStatement* func, const string& varName, const string& l
     for (const auto& s : getModuleSymbols(func))
     {
         SgSymbol* orig = OriginalSymbol(s);
-        printf("%s == %s\n", orig->identifier(), s->identifier());
         //any suitable symbol can be used
-
-        if (orig->variant() == FUNCTION_NAME)
-        {
-            if (orig->identifier() == varName)
-                altNames[s->identifier()] = s;
-        }
-        else
-        {
-            if (orig->identifier() == varName && orig->scope()->symbol()->identifier() == locName)
-                altNames[s->identifier()] = s;
-        }
+        if (orig->identifier() == varName && orig->scope()->symbol()->identifier() == locName)
+            altNames[s->identifier()] = s;
     }
 }
 
@@ -384,7 +369,6 @@ SgSymbol* getNameInLocation(SgStatement* func, const string& varName, const stri
         return altNames.begin()->second;
     else {
         __spf_print(1, "%s (%s %s) %s\n", func->symbol()->identifier(), clearName.c_str(), varName.c_str(), locName.c_str());
-        findSymbol(func, varName, locName, altNames);
         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
     }
 

src/Utils/utils.cpp

@@ -569,8 +569,8 @@ void copyIncludes(const set<string> &allIncludeFiles, const map<string, map<int,
 
             while (!feof(oldFile))
             {
-                char buf[16384];
-                char *res = fgets(buf, sizeof(buf), oldFile);
+                char buf[8192];
+                char *res = fgets(buf, 16384, oldFile);
                 if (res == NULL)
                     break;
 

src/Utils/version.h

@@ -1,3 +1,3 @@
 #pragma once
 
-#define VERSION_SPF "2480"
+#define VERSION_SPF "2446"

src/VisualizerCalls/get_information.cpp

@@ -152,7 +152,7 @@ static void setOptions(const short* options, bool isBuildParallel = false, const
             intOptions[z] = -1;
     }
 
-    //staticShadowAnalysis = intOptions[STATIC_SHADOW_ANALYSIS];
+    staticShadowAnalysis = intOptions[STATIC_SHADOW_ANALYSIS];
     staticPrivateAnalysis = intOptions[STATIC_PRIVATE_ANALYSIS];
     out_free_form = intOptions[FREE_FORM];
     if (out_free_form == 1)
@@ -1793,22 +1793,6 @@ int SPF_RenameIncludes(void*& context, int winHandler, short* options, short* pr
     return simpleTransformPass(RENAME_INLCUDES, options, projName, folderName, output, outputMessage);
 }
 
-int SPF_InsertPrivateArrayDirectives(void*& context, int winHandler, short* options, short* projName, short* folderName, string& output, string& outputMessage)
-{
-    MessageManager::clearCache();
-    MessageManager::setWinHandler(winHandler);
-    ignoreArrayDistributeState = true;
-    sharedMemoryParallelization = 1;
-    return simpleTransformPass(FIND_PRIVATE_ARRAYS, options, projName, folderName, output, outputMessage);
-}
-
-int SPF_MoveOperators(void*& context, int winHandler, short* options, short* projName, short* folderName, string& output, string& outputMessage)
-{
-    MessageManager::clearCache();
-    MessageManager::setWinHandler(winHandler);
-    return simpleTransformPass(MOVE_OPERATORS, options, projName, folderName, output, outputMessage);
-}
-
 static inline void convertBackSlash(char *str, int strL)
 {
     for (int z = 0; z < strL; ++z)
@@ -2515,10 +2499,6 @@ const wstring Sapfor_RunTransformation(const char* transformName_c, const char*
         retCode = SPF_InsertImplicitNone(context, winHandler, optSh, projSh, fold, output, outputMessage);
     else if (whichRun == "SPF_RenameIncludes")
         retCode = SPF_RenameIncludes(context, winHandler, optSh, projSh, fold, output, outputMessage);
-    else if (whichRun == "SPF_InsertPrivateArrayDirectives")
-        retCode = SPF_InsertPrivateArrayDirectives(context, winHandler, optSh, projSh, fold, output, outputMessage);
-    else if (whichRun == "SPF_MoveOperators")
-        retCode = SPF_MoveOperators(context, winHandler, optSh, projSh, fold, output, outputMessage);
     else if (whichRun == "SPF_CreateParallelVariant")
     {
         vector<string> splited;