draft of parallel regions merging pass

.gitignore

@@ -78,4 +78,3 @@ Sapfor/Sapc++/x64/
 
 Sapfor/out/
 Sapfor/_bin/*
-_bin/*

CMakeLists.txt

@@ -163,9 +163,8 @@ set(PARALLEL_REG src/ParallelizationRegions/ParRegions.cpp
         src/ParallelizationRegions/resolve_par_reg_conflicts.cpp
         src/ParallelizationRegions/resolve_par_reg_conflicts.h)
 
-set(ARRAY_PROP src/ArrayConstantPropagation/propagation.cpp
-	src/ArrayConstantPropagation/propagation.h	
-)
+set(MERGE_COPY_ARRAYS src/ParallelizationRegions/parse_merge_dirs.cpp
+         src/ParallelizationRegions/parse_merge_dirs.h)
 
 set(TR_DEAD_CODE src/Transformations/DeadCodeRemoving/dead_code.cpp
         src/Transformations/DeadCodeRemoving/dead_code.h)
@@ -208,8 +207,6 @@ 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)
 
 set(TRANSFORMS 
         ${TR_DEAD_CODE}
@@ -232,8 +229,7 @@ set(TRANSFORMS
         ${TR_REPLACE_ARRAYS_IN_IO}
         ${TR_EXPR_TRANSFORM}
         ${TR_INLINER}
-        ${TR_RENAME_SYMBOLS}
-        ${TR_MOVE_OPERATORS})
+        ${TR_RENAME_SYMBOLS})
         
 set(CFG src/CFGraph/IR.cpp
         src/CFGraph/IR.h
@@ -426,8 +422,8 @@ set(SOURCE_EXE
     ${LOOP_ANALYZER}
     ${TRANSFORMS}
     ${PARALLEL_REG}
+    ${MERGE_COPY_ARRAYS}
     ${PRIV}
-    ${ARRAY_PROP}
     ${FDVM}
     ${OMEGA}
     ${UTILS}
@@ -467,7 +463,6 @@ 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 (CreateIntervals FILES ${CREATE_INTER_T})
@@ -479,8 +474,8 @@ 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 (MergeCopyArrays FILES ${MERGE_COPY_ARRAYS})
 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

@@ -1,301 +0,0 @@
-#include "propagation.h"
-
-#include "../Utils/SgUtils.h"
-
-#include <iostream>
-#include <unordered_map>
-#include <unordered_set>
-#include <vector>
-
-using namespace std;
-
-static SgStatement* declPlace = NULL;
-
-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++;
-
-    SgSymbol* varSymbol = new SgSymbol(VARIABLE_NAME, name.c_str(), *type, *declPlace->controlParent());
-
-    const string commonBlockName = "__propagation_common__";
-
-    SgStatement* funcStart = declPlace->controlParent();
-    SgStatement* commonStat = NULL;
-    SgExpression* commonList = NULL;
-
-    SgStatement* funcEnd = funcStart->lastNodeOfStmt();
-    SgStatement* current = funcStart->lexNext();
-
-    while (current != funcEnd && current)
-    {
-        if (current->variant() == COMM_STAT)
-        {
-            for (SgExpression* exp = current->expr(0); exp; exp = exp->rhs())
-            {
-                if (exp->variant() == COMM_LIST)
-                {
-                    string existingName = exp->symbol() ?
-                        string(exp->symbol()->identifier()) :
-                        string("spf_unnamed");
-                    if (existingName == commonBlockName)
-                    {
-                        commonStat = current;
-                        commonList = exp;
-                        break;
-                    }
-                }
-            }
-            if (commonStat)
-                break;
-        }
-        current = current->lexNext();
-    }
-
-    vector<SgExpression*> varRefs;
-    if (commonList)
-    {
-        SgExpression* varList = commonList->lhs();
-        if (varList)
-        {
-            auto extractSymbol = [](SgExpression* exp) -> SgSymbol* {
-                if (!exp) 
-                    return NULL;
-                if (exp->symbol()) 
-                    return exp->symbol();
-                if (exp->lhs() && exp->lhs()->symbol())
-                    return exp->lhs()->symbol();
-                return NULL;
-                };
-            if (varList->variant() == EXPR_LIST)
-            {
-                for (SgExpression* exp = varList; exp; exp = exp->rhs())
-                {
-                    SgExpression* varExp = exp->lhs();
-                    SgSymbol* sym = extractSymbol(varExp);
-                    if (sym)
-                    {
-                        varRefs.push_back(new SgVarRefExp(sym));
-                    }
-                }
-            }
-            else
-            {
-                for (SgExpression* varExp = varList; varExp; varExp = varExp->rhs())
-                {
-                    SgSymbol* sym = extractSymbol(varExp);
-                    if (sym)
-                    {
-                        varRefs.push_back(new SgVarRefExp(sym));
-                    }
-                }
-            }
-        }
-    }
-
-    if (!commonList)
-    {
-        current = funcStart->lexNext();
-        while (current != funcEnd && current)
-        {
-            if (current->variant() == COMM_STAT)
-            {
-                commonStat = current;
-                break;
-            }
-            current = current->lexNext();
-        }
-
-        SgSymbol* commonSymbol = new SgSymbol(COMMON_NAME, commonBlockName.c_str());
-        commonList = new SgExpression(COMM_LIST, NULL, NULL, commonSymbol);
-
-        if (commonStat)
-        {
-            SgExpression* lastCommList = commonStat->expr(0);
-            if (lastCommList)
-            {
-                while (lastCommList->rhs())
-                    lastCommList = lastCommList->rhs();
-                lastCommList->setRhs(commonList);
-            }
-            else
-            {
-                commonStat->setExpression(0, commonList);
-            }
-        }
-        else
-        {
-            commonStat = new SgStatement(COMM_STAT);
-            commonStat->setFileName(declPlace->fileName());
-            commonStat->setFileId(declPlace->getFileId());
-            commonStat->setProject(declPlace->getProject());
-            commonStat->setlineNumber(getNextNegativeLineNumber());
-            commonStat->setExpression(0, commonList);
-
-            declPlace->insertStmtBefore(*commonStat, *declPlace->controlParent());
-        }
-
-    }
-    varRefs.push_back(new SgVarRefExp(varSymbol));
-
-    if (varRefs.size() > 0)
-    {
-        std::reverse(varRefs.begin(), varRefs.end());
-        SgExpression* varList = makeExprList(varRefs, false);
-
-        commonList->setLhs(varList);
-    }
-
-    return new SgExpression(VAR_REF, NULL, NULL, varSymbol, type->copyPtr());
-}
-
-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()))
-    {
-        cout << st->unparse() << endl;
-        if (arrayToVariable.find(expUnparsed) == arrayToVariable.end() && exp->symbol()->type()->baseType())
-        {
-            arrayToVariable[expUnparsed] = CreateVar(variableNumber, exp->symbol()->type()->baseType());  
-        }
-        st->setExpression(1, arrayToVariable[expUnparsed]->copyPtr());
-        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());;
-            }
-            toAdd = arrayToVariable[expUnparsed]->copyPtr();
-            if (toAdd)
-            {
-                if (i == 0)
-                {
-                    exp->setLhs(toAdd);
-                }
-                else
-                {
-                    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;
-    string expUnparsed = exp->unparse();
-    if (arrayToVariable.find(expUnparsed) == arrayToVariable.end() && exp->symbol()->type()->baseType())
-    {
-        arrayToVariable[expUnparsed] = CreateVar(variableNumber, exp->symbol()->type()->baseType());
-    }
-    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());
-}
-
-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;
-
-        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() == ASSIGN_STAT)
-                {
-                    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()))
-                    {
-                        TransformLeftPart(st, st->expr(0), arrayToVariable, variableNumber);
-                    }
-                }
-                else if (st->variant() == FOR_NODE)
-                {
-                    SgExpression* lowerBound = st->expr(0)->lhs();
-                    SgExpression* upperBound = st->expr(0)->rhs();
-                    string lowerBoundUnparsed = lowerBound->unparse(), upperBoundUnparsed = upperBound->unparse();
-                    if (upperBound->variant() == ARRAY_REF && upperBound->symbol()->type()->baseType() && CheckConstIndexes(upperBound->lhs()))
-                    {
-                        if (arrayToVariable.find(upperBoundUnparsed) == arrayToVariable.end())
-                        {
-                            arrayToVariable[upperBoundUnparsed] = CreateVar(variableNumber, upperBound->symbol()->type()->baseType());
-                        }
-                        st->expr(0)->setRhs(arrayToVariable[upperBoundUnparsed]->copyPtr());
-                    }
-                    if (lowerBound->variant() == ARRAY_REF && lowerBound->symbol()->type()->baseType() && CheckConstIndexes(lowerBound->lhs()))
-                    {
-                        if (arrayToVariable.find(lowerBoundUnparsed) == arrayToVariable.end())
-                        {
-                            arrayToVariable[lowerBoundUnparsed] = CreateVar(variableNumber, lowerBound->symbol()->type()->baseType());
-                        }
-                        st->expr(0)->setLhs(arrayToVariable[lowerBoundUnparsed]->copyPtr());
-                    }
-                }
-            }
-        }
-    }
-}

src/ArrayConstantPropagation/propagation.h

@@ -1,4 +0,0 @@
-#pragma once
-#include "../Utils/SgUtils.h"
-
-void ArrayConstantPropagation(SgProject& project);

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, 
                              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);
@@ -262,19 +236,11 @@ 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());
             }
 }
 
@@ -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;
@@ -382,7 +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/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/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/parse_merge_dirs.cpp

@@ -0,0 +1,567 @@
+#include "parse_merge_dirs.h"
+
+#include <unordered_set>
+
+using std::map;
+using std::pair;
+using std::string;
+using std::unordered_map;
+using std::unordered_set;
+using std::vector;
+
+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 (strncasecmp(comment, prefix, compare_chars) == 0)
+        {
+            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 unordered_map<string, string> &new_region_mapping)
+{
+    // new region -> old regions
+    unordered_map<string, unordered_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::unordered_set<const AlignRule *> &align_a,
+                             const std::unordered_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};
+}
+
+SgSymbol *insertDeclIfNeeded(const string &array_name,
+                             const string &common_block_name,
+                             DIST::Array *example_array,
+                             FuncInfo *dest,
+                             unordered_map<FuncInfo *, unordered_map<string, SgSymbol *>> &inserted_arrays)
+{
+    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(),
+                                         SgTypeInt(), 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,
+                                           unordered_map<FuncInfo *, unordered_map<string, SgSymbol *>> &inserted_arrays)
+{
+    auto common_block_name = base_name + "_merge_cb";
+    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 unordered_set<string> &arrays_to_replace,
+                            SgSymbol **func_symbol_hint,
+                            const pair<string, string> &replace_by,
+                            DIST::Array *example_array,
+                            FuncInfo *func,
+                            unordered_map<FuncInfo *, unordered_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 unordered_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 mergeCopyArrays(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
+    unordered_map<string, unordered_set<DIST::Array *>> arrays_to_merge;
+    unordered_map<DIST::Array *, unordered_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
+    unordered_map<string, string> new_region_mapping;
+
+    // new array -> new region
+    unordered_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__);
+
+    unordered_map<FuncInfo *, unordered_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);
+
+        unordered_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/parse_merge_dirs.h

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

src/Predictor/PredictScheme.cpp

@@ -326,7 +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)
     {
@@ -337,8 +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;
             }
@@ -346,14 +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;
 }

src/PrivateAnalyzer/private_arrays_search.cpp

@@ -16,34 +16,6 @@
 
 using namespace std;
 
-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.size() < accessingSet.GetElements().size() && !points.empty())
-            resultContainer[arrayName] = points;
-
-        if (points.empty())
-            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())
@@ -66,13 +38,13 @@ static void Collapse(Region* region)
             region->array_use[arrayName] = region->array_use[arrayName].Union(diff);
         }
     }
-
     ArrayAccessingIndexes useUnion;
     for (auto& byBlock : region->getBasickBlocks())
         for (auto& [arrayName, arrayRanges] : byBlock->array_use)
             useUnion[arrayName] = useUnion[arrayName].Union(byBlock->array_use[arrayName]);
 
-    region->array_priv = region->array_use;
+    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());
@@ -103,7 +75,6 @@ static void SolveDataFlowIteratively(Region* DFG)
                     newIn.clear();
                     continue;
                 }
-
                 for (const auto& [arrayName, accessSet] : prevBlock->array_out)
                 {
                     if (newIn.find(arrayName) != newIn.end())
@@ -116,7 +87,6 @@ static void SolveDataFlowIteratively(Region* DFG)
 
         b->array_in = move(newIn);
         ArrayAccessingIndexes newOut;
-
         if (b->array_def.empty())        
             newOut = b->array_in;
         else if (b->array_in.empty())
@@ -152,7 +122,22 @@ static void SolveDataFlow(Region* DFG)
     Collapse(DFG);
 }
 
-static void AddPrivateArraysToLoop(LoopGraph* loop, const ArrayAccessingIndexes& privates, set<SgStatement*>& insertedPrivates)
+unsigned long long CalculateLength(const AccessingSet& array) 
+{
+    if (array.GetElements().empty())
+        return 0;
+    unsigned long long result = 1;
+    for (const auto& range : array.GetElements()) 
+    {
+        for (const auto& dim : range)
+        {
+            result *= (dim.step * dim.tripCount);
+        }
+    }
+    return result;
+}
+
+void AddPrivateArraysToLoop(LoopGraph* loop, const ArrayAccessingIndexes& privates, set<SgStatement*>& insertedPrivates)
 {
     SgStatement* spfStat = new SgStatement(SPF_ANALYSIS_DIR);
     spfStat->setlineNumber(loop->loop->lineNumber());
@@ -203,8 +188,6 @@ void FindPrivateArrays(map<string, vector<LoopGraph*>> &loopGraph, map<FuncInfo*
         SgFile::switchToFile(fileName);
         for (const auto& loop : loops)
         {
-            if (!loop->isFor())
-                continue;
             SgStatement* search_func = loop->loop->GetOriginal();
 
             while (search_func && (!isSgProgHedrStmt(search_func)))
@@ -221,7 +204,6 @@ void FindPrivateArrays(map<string, vector<LoopGraph*>> &loopGraph, map<FuncInfo*
                         continue;
                     }
                     SolveDataFlow(loopRegion);
-                    RemoveEmptyPoints(loopRegion->array_priv);
                     result[loop] = loopRegion->array_priv;
                     delete(loopRegion);
                 }

src/PrivateAnalyzer/range_structures.cpp

@@ -64,13 +64,18 @@ static vector<ArrayDimension> DimensionDifference(const ArrayDimension& dim1, co
         result.push_back({ dim1.start, dim1.step, (intersection->start - dim1.start) / dim1.step, dim1.array});
     
     /* 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; interValue <= intersection->start + intersection->step * (intersection->tripCount - 1); i++)
+    for (int64_t i = start; dim1.start + i * dim1.step <= intersection->start + intersection->step * (intersection->tripCount - 1); i++)
     {
-            result.push_back({interValue + dim1.step, dim1.step, intersection->step / dim1.step, dim1.array});
+        uint64_t centerValue = dim1.start + i * dim1.step;
+        if (centerValue == interValue)
+        {
+            if (i - start > 1)
+            {
+                result.push_back({ dim1.start + (start + 1) * dim1.step, dim1.step, i - start - 1, dim1.array });
+                start = i;
+            }
             interValue += intersection->step;
         }
     }
@@ -211,10 +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);

src/PrivateAnalyzer/region.cpp

@@ -4,7 +4,6 @@
 #include<unordered_map>
 #include<string>
 #include <numeric>
-#include <iostream>
 
 #include "range_structures.h"
 #include "region.h"
@@ -105,33 +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});
-                }
-            }
-        }
         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)
@@ -146,12 +127,25 @@ static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAcces
             vector<ArrayDimension> accessPoint(n);
 
             auto* ref = isSgArrayRefExp(instruction->getInstruction()->getExpression());
+            vector<pair<int, int>> coefsForDims;
+            for (int i = 0; ref && i < ref->numberOfSubscripts(); ++i)
+            {
+                const vector<int*>& coefs = getAttributes<SgExpression*, int*>(ref->subscript(i), set<int>{ INT_VAL });
+                if (coefs.size() == 1)
+                {
+                    const pair<int, int> coef(coefs[0][0], coefs[0][1]);
+                    coefsForDims.push_back(coef);
+                }
+
+            }
+
             int fillCount = 0;
 
-            while (!index_vars.empty() && !refPos.empty())
+            while (!index_vars.empty() && !refPos.empty() && !coefsForDims.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};
@@ -180,19 +174,16 @@ static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAcces
                             return -1;
                     }
 
-                    uint64_t start = currentLoop->startVal;
-                    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, ref };
                 }
 
-                if (current_dim.start != 0 && current_dim.step != 0 && current_dim.tripCount != 0)
-                {
                 accessPoint[n - index_vars.size()] = current_dim;
                 fillCount++;
-                }
                 index_vars.pop_back();
                 refPos.pop_back();
+                coefsForDims.pop_back();
             }
 
             if (fillCount == accessPoint.size())
@@ -239,11 +230,8 @@ static Region* CreateSubRegion(LoopGraph* loop, const vector<SAPFOR::BasicBlock*
             region->addBasickBlocks(bbToRegion.at(block));
 
     for (LoopGraph* childLoop : loop->children)
-    {
-        if (!childLoop->isFor())
-            continue;
         region->addSubRegions(CreateSubRegion(childLoop, Blocks, bbToRegion));
-    }
+
     return region;
 }
 
@@ -262,9 +250,5 @@ Region::Region(LoopGraph* loop, const vector<SAPFOR::BasicBlock*>& Blocks)
     SetConnections(bbToRegion, blockSet);
     //create subRegions
     for (LoopGraph* childLoop : loop->children)
-    {
-        if (!childLoop->isFor())
-            continue;
         subRegions.insert(CreateSubRegion(childLoop, Blocks, bbToRegion));
-    }
 }

src/Sapfor.cpp

@@ -23,6 +23,7 @@
 #include "ParallelizationRegions/ParRegions_func.h"
 #include "ParallelizationRegions/resolve_par_reg_conflicts.h"
 #include "ParallelizationRegions/expand_extract_reg.h"
+#include "ParallelizationRegions/parse_merge_dirs.h"
 
 #include "Distribution/Distribution.h"
 #include "Distribution/GraphCSR.h"
@@ -46,7 +47,6 @@
 #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"
@@ -90,7 +90,6 @@
 #include "Transformations/DeadCodeRemoving/dead_code.h"
 #include "Transformations/RenameSymbols/rename_symbols.h"
 #include "Transformations/FunctionInlining/inliner.h"
-#include "Transformations/MoveOperators/move_operators.h"
 
 #include "ProjectParameters/projectParameters.h"
 
@@ -942,8 +941,6 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
                     internalExit = err;
             }
         }
-        else if (curr_regime == MOVE_OPERATORS)        
-            moveOperators(file, loopGraph, fullIR, countOfTransform);        
         else if (curr_regime == PRIVATE_REMOVING_ANALYSIS)
         {
             auto itFound = loopGraph.find(file->filename());
@@ -1040,8 +1037,7 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
                           PRIVATE_REMOVING,
                           PRIVATE_ARRAYS_EXPANSION, 
                           PRIVATE_ARRAYS_SHRINKING,
-                          REMOVE_DEAD_CODE,
-                          MOVE_OPERATORS };
+                          REMOVE_DEAD_CODE };
 
     if ((countOfTransform == 0 || internalExit > 0) && applyFor.find(curr_regime) != applyFor.end())
     {
@@ -1922,9 +1918,10 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
         transformAssumedSizeParameters(allFuncInfo);
     else if (curr_regime == FIND_PRIVATE_ARRAYS_ANALYSIS)
         FindPrivateArrays(loopGraph, fullIR, insertedPrivates);
-
-    else if (curr_regime == ARRAY_PROPAGATION)
-        ArrayConstantPropagation(project);
+    else if (curr_regime == MERGE_COPY_ARRAYS)
+    {
+        mergeCopyArrays(parallelRegions, allFuncInfo);
+    }
 
     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.;
@@ -2343,7 +2340,6 @@ 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:
         runAnalysis(*project, curr_regime, true, "", folderName);
         break;
     case INLINE_PROCEDURES:
@@ -2379,6 +2375,7 @@ 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_COPY_ARRAYS:
         runAnalysis(*project, curr_regime, false);
     case SUBST_EXPR_RD_AND_UNPARSE:
     case SUBST_EXPR_AND_UNPARSE:

src/Sapfor.h

@@ -88,6 +88,8 @@ enum passes {
     REMOVE_DVM_INTERVALS,
     VERIFY_DVM_DIRS,
 
+    MERGE_COPY_ARRAYS,
+
     REMOVE_DIST_ARRAYS_FROM_IO,
 
     SUBST_EXPR,
@@ -122,8 +124,6 @@ enum passes {
     CREATE_INTER_TREE,
     INSERT_INTER_TREE,
 
-    MOVE_OPERATORS,
-
     SHADOW_GROUPING,
     INLINE_PROCEDURES,
     FILL_PARALLEL_REG_IR,
@@ -189,7 +189,6 @@ enum passes {
     FIND_PRIVATE_ARRAYS,
 
     TRANSFORM_ASSUMED_SIZE_PARAMETERS,
-    ARRAY_PROPAGATION,
 
     TEST_PASS,
     EMPTY_PASS
@@ -273,6 +272,7 @@ 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_COPY_ARRAYS] = "MERGE_COPY_ARRAYS";
     passNames[REMOVE_DIST_ARRAYS_FROM_IO] = "REMOVE_DIST_ARRAYS_FROM_IO";
     passNames[SUBST_EXPR] = "SUBST_EXPR";
     passNames[SUBST_EXPR_RD] = "SUBST_EXPR_RD";
@@ -323,7 +323,6 @@ 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[CREATE_PARALLEL_REGIONS] = "CREATE_PARALLEL_REGIONS";
     passNames[PRIVATE_REMOVING_ANALYSIS] = "PRIVATE_REMOVING_ANALYSIS";
     passNames[PRIVATE_REMOVING] = "PRIVATE_REMOVING";
@@ -380,7 +379,6 @@ static void setPassValues()
     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/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/MoveOperators/move_operators.cpp

@@ -1,826 +0,0 @@
-#include <map>
-#include <unordered_set>
-#include <vector>
-#include <queue>
-#include <iostream>
-#include <algorithm>
-
-#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;
-
-static vector<SAPFOR::IR_Block*> findInstructionsFromOperator(SgStatement* st, const 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;
-}
-
-const unordered_set<int> loop_tags = { FOR_NODE };
-const unordered_set<int> control_tags = { IF_NODE, ELSEIF_NODE, DO_WHILE_NODE, WHILE_NODE, LOGIF_NODE };
-const unordered_set<int> control_end_tags = { CONTROL_END };
-
-struct OperatorInfo {
-    SgStatement* stmt;
-    set<string> usedVars;
-    set<string> definedVars;
-    int lineNumber;
-    bool isMovable;
-    
-    OperatorInfo(SgStatement* s) : stmt(s), lineNumber(s->lineNumber()), isMovable(true) { }
-};
-
-static bool isStatementEmbedded(SgStatement* stmt, SgStatement* parent) {
-    if (!stmt || !parent || stmt == parent)
-        return false;
-    
-    if (parent->variant() == LOGIF_NODE) {
-        if (stmt->lineNumber() == parent->lineNumber())
-            return true;
-        
-        SgStatement* current = parent;
-        SgStatement* lastNode = parent->lastNodeOfStmt();
-
-        while (current && current != lastNode) {
-            if (current == stmt)
-                return true;
-
-            if (current->isIncludedInStmt(*stmt))
-                return true;
-
-            current = current->lexNext();
-        }
-    }
-    
-    if (parent->isIncludedInStmt(*stmt))
-        return true;
-    
-    return false;
-}
-
-static bool isLoopBoundary(SgStatement* stmt) {
-    if (!stmt)
-        return false;
-    
-    if (stmt->variant() == FOR_NODE || stmt->variant() == CONTROL_END)
-        return true;
-    
-    return false;
-}
-
-static bool isPartOfNestedLoop(SgStatement* stmt, SgForStmt* loop) {
-    if (!stmt || !loop)
-        return false;
-    
-    SgStatement* loopStart = loop->lexNext();
-    SgStatement* loopEnd = loop->lastNodeOfStmt();
-    if (!loopStart || !loopEnd)
-        return false;
-    
-    if (stmt->lineNumber() < loopStart->lineNumber() || stmt->lineNumber() > loopEnd->lineNumber())
-        return false;
-    
-    SgStatement* current = loopStart;
-    
-    while (current && current != loopEnd) {
-        
-        if (current->variant() == FOR_NODE && current != loop) {
-            SgForStmt* nestedLoop = (SgForStmt*)current;
-            SgStatement* nestedStart = nestedLoop->lexNext();
-            SgStatement* nestedEnd = nestedLoop->lastNodeOfStmt();
-            
-            if (nestedStart && nestedEnd && 
-                stmt->lineNumber() >= nestedStart->lineNumber() && 
-                stmt->lineNumber() <= nestedEnd->lineNumber()) {
-                return true;
-            }
-        }
-        
-        current = current->lexNext();
-    }
-    
-    return false;
-}
-
-static bool canSafelyExtract(SgStatement* stmt, SgForStmt* loop) {
-    if (!stmt || !loop)
-        return false;
-    
-    if (isLoopBoundary(stmt))
-        return false;
-    
-    if (control_tags.find(stmt->variant()) != control_tags.end())
-        return false;
-    
-    if (isPartOfNestedLoop(stmt, loop))
-        return false;
-    
-    SgStatement* loopStart = loop->lexNext();
-    SgStatement* loopEnd = loop->lastNodeOfStmt();
-    if (!loopStart || !loopEnd) 
-        return false;
-    
-    SgStatement* current = loopStart;
-    
-    while (current && current != loopEnd) {
-        if (current->variant() == LOGIF_NODE && current->lineNumber() == stmt->lineNumber())
-            return false;
-
-        if (control_tags.find(current->variant()) != control_tags.end())
-            if (isStatementEmbedded(stmt, current))
-                return false;
-
-        if (current == stmt) 
-            break;
-        current = current->lexNext();
-    }
-    
-    return true;
-}
-
-static vector<OperatorInfo> analyzeOperatorsInLoop(SgForStmt* loop, const vector<SAPFOR::BasicBlock*>& blocks, 
-                                                   const map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR) {
-    vector<OperatorInfo> operators;
-    SgStatement* loopStart = loop->lexNext();
-    SgStatement* loopEnd = loop->lastNodeOfStmt();
-    
-    if (!loopStart || !loopEnd)
-        return operators;
-    
-    SgStatement* current = loopStart;
-    unordered_set<SgStatement*> visited;
-    
-    while (current && current != loopEnd) {
-        
-        if (visited.find(current) != visited.end())
-            break;
-
-        visited.insert(current);
-        
-        if (isLoopBoundary(current)) {
-            current = current->lexNext();
-            continue;
-        }
-        
-        if (current->variant() == FOR_NODE && current != loop) {
-            SgStatement* nestedEnd = current->lastNodeOfStmt();
-            if (nestedEnd)
-                current = nestedEnd->lexNext();
-            else
-                current = current->lexNext();
-            continue;
-        }
-        
-        if (isSgExecutableStatement(current)) {
-            if (control_tags.find(current->variant()) != control_tags.end()) {
-                current = current->lexNext();
-                continue;
-            }
-
-            if (current->variant() != ASSIGN_STAT) {
-                current = current->lexNext();
-                continue;
-            }
-            
-            OperatorInfo opInfo(current);
-            
-            vector<SAPFOR::IR_Block*> irBlocks = findInstructionsFromOperator(current, blocks);
-            for (auto irBlock : irBlocks) {
-                if (!irBlock || !irBlock->getInstruction()) 
-                    continue;
-                
-                const SAPFOR::Instruction* instr = irBlock->getInstruction();
-                if (instr->getArg1()) {
-                    string varName = getNameByArg(instr->getArg1());
-                    if (!varName.empty())
-                        opInfo.usedVars.insert(varName);
-                }
-
-                if (instr->getArg2()) {
-                    string varName = getNameByArg(instr->getArg2());
-                    if (!varName.empty())
-                        opInfo.usedVars.insert(varName);
-                }
-
-                if (instr->getResult()) {
-                    string varName = getNameByArg(instr->getResult());
-                    if (!varName.empty())
-                        opInfo.definedVars.insert(varName);
-                }
-            }
-            
-            operators.push_back(opInfo);
-        }
-        current = current->lexNext();
-    }
-    
-    return operators;
-}
-
-static map<string, vector<SgStatement*>> findVariableDefinitions(SgForStmt* loop, vector<OperatorInfo>& operators) {
-    map<string, vector<SgStatement*>> varDefinitions;
-    for (auto& op : operators)
-        for (const string& var : op.definedVars)
-            varDefinitions[var].push_back(op.stmt);
-
-    return varDefinitions;
-}
-
-static int calculateDistance(SgStatement* from, SgStatement* to) {
-    if (!from || !to) 
-        return INT_MAX;
-
-    return abs(to->lineNumber() - from->lineNumber());
-}
-
-static SgStatement* findBestPosition(SgStatement* operatorStmt, const vector<OperatorInfo>& operators, 
-                                     const map<string, vector<SgStatement*>>& varDefinitions, SgForStmt* loop) {
-    const OperatorInfo* opInfo = nullptr;
-    for (auto& op : operators) {
-        if (op.stmt == operatorStmt) {
-            opInfo = &op;
-            break;
-        }
-    }
-
-    if (!opInfo || !opInfo->isMovable)
-        return nullptr;
-    
-    SgStatement* bestPos = nullptr;
-    int bestLine = -1;
-    
-    for (const string& usedVar : opInfo->usedVars) {
-        if (varDefinitions.find(usedVar) != varDefinitions.end()) {
-            for (SgStatement* defStmt : varDefinitions.at(usedVar)) {
-                if (defStmt->lineNumber() < operatorStmt->lineNumber()) {
-                    if (defStmt->controlParent() == operatorStmt->controlParent()) {
-                        if (defStmt->lineNumber() > bestLine) {
-                            bestLine = defStmt->lineNumber();
-                            bestPos = defStmt;
-                        }
-                    }
-                }
-            }
-        }
-    }
-    
-    if (!bestPos) {
-        bool allLoopCarried = true;
-        bool hasAnyDefinition = false;
-        
-        for (const string& usedVar : opInfo->usedVars) {
-            if (varDefinitions.find(usedVar) != varDefinitions.end()) {
-                for (SgStatement* defStmt : varDefinitions.at(usedVar)) {
-                    if (defStmt == operatorStmt)
-                        continue;
-                    
-                    hasAnyDefinition = true;
-                    if (defStmt->lineNumber() < operatorStmt->lineNumber() &&
-                        defStmt->controlParent() == operatorStmt->controlParent()) {
-                        allLoopCarried = false;
-                        break;
-                    }
-                }
-            }
-
-            if (!allLoopCarried) 
-                break;
-        }
-        
-        if (allLoopCarried || (!hasAnyDefinition && !opInfo->usedVars.empty())) {
-            SgStatement* loopStart = loop->lexNext();
-            return loopStart;
-        }
-    }
-    
-    return bestPos;
-}
-
-static bool canMoveTo(SgStatement* from, SgStatement* to, SgForStmt* loop) {
-    if (!from || !to || from == to)
-        return false;
-    
-    SgStatement* loopStart = loop->lexNext();
-    SgStatement* loopEnd = loop->lastNodeOfStmt();
-    
-    if (!loopStart || !loopEnd) 
-        return false;
-    
-    if (to == loopStart) {
-        SgStatement* fromControlParent = from->controlParent();
-        if (!fromControlParent) fromControlParent = loop;
-        return fromControlParent == loop || fromControlParent == loopStart->controlParent();
-    }
-    
-    if (from->lineNumber() < loopStart->lineNumber() || from->lineNumber() > loopEnd->lineNumber())
-        return false;
-
-    if (to->lineNumber() < loopStart->lineNumber() || to->lineNumber() > loopEnd->lineNumber())
-        return false;
-    
-    if (to->lineNumber() >= from->lineNumber())
-        return false;
-    
-    if (from->controlParent() != to->controlParent())
-        return false;
-    
-    SgStatement* current = to->lexNext();
-    while (current && current != from && current != loopEnd) {
-        if (control_tags.find(current->variant()) != control_tags.end()) {
-            SgStatement* controlEnd = current->lastNodeOfStmt();
-            if (controlEnd && from->lineNumber() <= controlEnd->lineNumber()) {
-                if (from->controlParent() == current && to->controlParent() != current) {
-                    return false;
-                }
-            }
-        }
-        current = current->lexNext();
-    }
-    
-    return true;
-}
-
-static vector<SgStatement*> optimizeOperatorOrder(SgForStmt* loop, 
-                                                  const vector<OperatorInfo>& operators, 
-                                                  const map<string, vector<SgStatement*>>& varDefinitions) {
-    vector<SgStatement*> newOrder;
-    for (auto& op : operators)
-        newOrder.push_back(op.stmt);
-    
-    map<SgStatement*, const OperatorInfo*> stmtToOpInfo;
-    for (auto& op : operators) 
-        stmtToOpInfo[op.stmt] = &op;
-    
-    bool changed = true;
-    
-    while (changed) {
-        changed = false;
-        
-        for (int i = operators.size() - 1; i >= 0; i--) {
-            if (!operators[i].isMovable) 
-                continue;
-            
-            SgStatement* stmt = operators[i].stmt;
-            const OperatorInfo* opInfo = stmtToOpInfo[stmt];
-
-            if (!opInfo)
-                continue;
-            
-            size_t currentPos = 0;
-            for (size_t j = 0; j < newOrder.size(); j++) {
-                if (newOrder[j] == stmt) {
-                    currentPos = j;
-                    break;
-                }
-            }
-            
-            SgStatement* bestPos = findBestPosition(stmt, operators, varDefinitions, loop);
-            
-            if (!bestPos) {
-                bool hasDependents = false;
-                for (size_t j = currentPos + 1; j < newOrder.size(); j++) {
-                    SgStatement* candidate = newOrder[j];
-                    const OperatorInfo* candidateOpInfo = stmtToOpInfo[candidate];
-                    if (candidateOpInfo) {
-                        for (const string& definedVar : opInfo->definedVars) {
-                            if (candidateOpInfo->usedVars.find(definedVar) != candidateOpInfo->usedVars.end()) {
-                                hasDependents = true;
-                                break;
-                            }
-                        }
-
-                        if (hasDependents) 
-                            break;
-                    }
-                }
-                
-                continue;
-            }
-            
-            size_t targetPos = 0;
-            bool foundTarget = false;
-            
-            if (bestPos == loop->lexNext()) {
-                targetPos = 0;
-                
-                for (size_t j = 0; j < currentPos && j < newOrder.size(); j++) {
-                    SgStatement* candidate = newOrder[j];
-                    const OperatorInfo* candidateOpInfo = stmtToOpInfo[candidate];
-                    if (candidateOpInfo) {
-                        bool usesDefinedVar = false;
-                        for (const string& definedVar : opInfo->definedVars) {
-                            if (candidateOpInfo->usedVars.find(definedVar) != candidateOpInfo->usedVars.end()) {
-                                usesDefinedVar = true;
-                                break;
-                            }
-                        }
-
-                        if (usesDefinedVar) {
-                            targetPos = j;
-                            break;
-                        }
-                    }
-                }
-                
-                foundTarget = true;
-                
-                if (currentPos != targetPos && canMoveTo(stmt, bestPos, loop)) {
-                    newOrder.erase(newOrder.begin() + currentPos);
-                    newOrder.insert(newOrder.begin() + targetPos, stmt);
-                    changed = true;
-                }
-            } else {
-                size_t bestPosIdx = 0;
-                bool foundBestPos = false;
-                for (size_t j = 0; j < newOrder.size(); j++) {
-                    if (newOrder[j] == bestPos) {
-                        bestPosIdx = j;
-                        foundBestPos = true;
-                        break;
-                    }
-                }
-                
-                if (foundBestPos) {
-                    targetPos = bestPosIdx + 1;
-                    
-                    for (size_t j = bestPosIdx + 1; j < currentPos && j < newOrder.size(); j++) {
-                        SgStatement* candidate = newOrder[j];
-                        const OperatorInfo* candidateOpInfo = stmtToOpInfo[candidate];
-                        if (candidateOpInfo) {
-                            bool definesUsedVar = false;
-                            for (const string& usedVar : opInfo->usedVars) {
-                                if (candidateOpInfo->definedVars.find(usedVar) != candidateOpInfo->definedVars.end()) {
-                                    definesUsedVar = true;
-                                    break;
-                                }
-                            }
-                            if (definesUsedVar)
-                                targetPos = j + 1;
-                        }
-                    }
-                    
-                    bool wouldBreakDependency = false;
-                    for (size_t j = targetPos; j < currentPos && j < newOrder.size(); j++) {
-                        SgStatement* candidate = newOrder[j];
-                        const OperatorInfo* candidateOpInfo = stmtToOpInfo[candidate];
-                        if (candidateOpInfo) {
-                            for (const string& definedVar : opInfo->definedVars) {
-                                if (candidateOpInfo->usedVars.find(definedVar) != candidateOpInfo->usedVars.end()) {
-                                    wouldBreakDependency = true;
-                                    break;
-                                }
-                            }
-
-                            if (wouldBreakDependency) 
-                                break;
-                        }
-                    }
-                    
-                    if (!wouldBreakDependency && currentPos > targetPos && canMoveTo(stmt, bestPos, loop)) {
-                        newOrder.erase(newOrder.begin() + currentPos);
-                        newOrder.insert(newOrder.begin() + targetPos, stmt);
-                        changed = true;
-                    }
-                }
-            }
-        }
-    }
-    
-    bool dependencyViolation = true;
-    set<pair<SgStatement*, SgStatement*>> triedPairs;
-    
-    while (dependencyViolation) {
-        dependencyViolation = false;
-        triedPairs.clear();
-        
-        for (size_t i = 0; i < newOrder.size(); i++) {
-            SgStatement* stmt = newOrder[i];
-            const OperatorInfo* opInfo = stmtToOpInfo[stmt];
-            if (!opInfo) 
-                continue;
-            
-            for (size_t j = 0; j < i; j++) {
-                SgStatement* prevStmt = newOrder[j];
-                const OperatorInfo* prevOpInfo = stmtToOpInfo[prevStmt];
-                if (!prevOpInfo)
-                    continue;
-                
-                pair<SgStatement*, SgStatement*> key = make_pair(stmt, prevStmt);
-                if (triedPairs.find(key) != triedPairs.end())
-                    continue;
-                
-                bool violation = false;
-                for (const string& definedVar : opInfo->definedVars) {
-                    if (prevOpInfo->usedVars.find(definedVar) != prevOpInfo->usedVars.end()) {
-                        violation = true;
-                        break;
-                    }
-                }
-                
-                if (violation) {
-                    triedPairs.insert(key);
-                    
-                    bool wouldCreateViolation = false;
-                    for (size_t k = j; k < i; k++) {
-                        SgStatement* betweenStmt = newOrder[k];
-                        const OperatorInfo* betweenOpInfo = stmtToOpInfo[betweenStmt];
-
-                        if (!betweenOpInfo)
-                            continue;
-                        
-                        for (const string& usedVar : opInfo->usedVars) {
-                            if (betweenOpInfo->definedVars.find(usedVar) != betweenOpInfo->definedVars.end()) {
-                                wouldCreateViolation = true;
-                                break;
-                            }
-                        }
-
-                        if (wouldCreateViolation)
-                            break;
-                    }
-                    
-                    if (!wouldCreateViolation) {
-                        newOrder.erase(newOrder.begin() + i);
-                        newOrder.insert(newOrder.begin() + j, stmt);
-                        dependencyViolation = true;
-                        break;
-                    }
-                }
-            }
-
-            if (dependencyViolation)
-                break;
-        }
-    }
-    
-    return newOrder;
-}
-
-static bool applyOperatorReordering(SgForStmt* loop, const vector<SgStatement*>& newOrder) {
-    if (!loop || newOrder.empty()) 
-        return false;
-    
-    SgStatement* loopStart = loop->lexNext();
-    SgStatement* loopEnd = loop->lastNodeOfStmt();
-    
-    if (!loopStart || !loopEnd) 
-        return false;
-    
-    vector<SgStatement*> originalOrder;
-    SgStatement* current = loopStart;
-    while (current && current != loopEnd) {
-        if (isSgExecutableStatement(current) && current->variant() == ASSIGN_STAT)
-            originalOrder.push_back(current);
-
-        current = current->lexNext();
-    }
-    
-    bool orderChanged = false;
-    if (originalOrder.size() == newOrder.size()) {
-        for (size_t i = 0; i < originalOrder.size(); i++) {
-            if (originalOrder[i] != newOrder[i]) {
-                orderChanged = true;
-                break;
-            }
-        }
-    } 
-    else
-        orderChanged = true;
-    
-    if (!orderChanged)
-        return false;
-
-    vector<SgStatement*> extractedStatements;
-    vector<char*> savedComments;
-    unordered_set<SgStatement*> extractedSet;
-    map<SgStatement*, int> originalLineNumbers;
-    map<SgStatement*, SgStatement*> stmtToExtracted;
-    
-    for (SgStatement* stmt : newOrder) {
-        if (stmt && stmt != loop && stmt != loopEnd && extractedSet.find(stmt) == extractedSet.end()) {
-            if (control_tags.find(stmt->variant()) != control_tags.end())
-                continue;
-            
-            if (!canSafelyExtract(stmt, loop))
-                continue;
-            
-            bool isMoving = false;
-            for (size_t i = 0; i < originalOrder.size(); i++) {
-                if (originalOrder[i] == stmt) {
-                    for (size_t j = 0; j < newOrder.size(); j++) {
-                        if (newOrder[j] == stmt && i != j) {
-                            isMoving = true;
-                            break;
-                        }
-                    }
-                    break;
-                }
-            }
-            
-            if (!isMoving)
-                continue;
-            
-            originalLineNumbers[stmt] = stmt->lineNumber();
-            savedComments.push_back(stmt->comments() ? strdup(stmt->comments()) : nullptr);
-            SgStatement* extracted = stmt->extractStmt();
-            if (extracted) {
-                extractedStatements.push_back(extracted);
-                extractedSet.insert(stmt);
-                stmtToExtracted[stmt] = extracted;
-            }
-        }
-    }
-    
-    map<SgStatement*, SgStatement*> insertedStatements;
-    
-    for (size_t idx = 0; idx < newOrder.size(); idx++) {
-        SgStatement* stmt = newOrder[idx];
-        
-        if (extractedSet.find(stmt) != extractedSet.end()) {
-            SgStatement* stmtToInsert = stmtToExtracted[stmt];
-
-            if (!stmtToInsert) 
-                continue;
-            
-            SgStatement* insertAfter = loop;
-            
-            for (int i = idx - 1; i >= 0; i--) {
-                SgStatement* prevStmt = newOrder[i];
-                
-                if (extractedSet.find(prevStmt) != extractedSet.end()) {
-                    if (insertedStatements.find(prevStmt) != insertedStatements.end()) {
-                        insertAfter = insertedStatements[prevStmt];
-                        break;
-                    }
-                } else {
-                    SgStatement* search = loop->lexNext();
-                    while (search && search != loopEnd) {
-                        bool skip = false;
-                        for (size_t j = idx; j < newOrder.size(); j++) {
-                            if (extractedSet.find(newOrder[j]) != extractedSet.end() && 
-                                search == newOrder[j]) {
-                                skip = true;
-                                break;
-                            }
-                        }
-                        if (skip) {
-                            search = search->lexNext();
-                            continue;
-                        }
-                        
-                        if (search == prevStmt) {
-                            insertAfter = search;
-                            break;
-                        }
-                        search = search->lexNext();
-                    }
-                    if (insertAfter != loop) break;
-                }
-            }
-            
-            size_t commentIdx = 0;
-            for (size_t i = 0; i < extractedStatements.size(); i++) {
-                if (extractedStatements[i] == stmtToInsert) {
-                    commentIdx = i;
-                    break;
-                }
-            }
-            
-            if (commentIdx < savedComments.size() && savedComments[commentIdx])
-                stmtToInsert->setComments(savedComments[commentIdx]);
-            
-            if (originalLineNumbers.find(stmt) != originalLineNumbers.end())
-                stmtToInsert->setlineNumber(originalLineNumbers[stmt]);
-            
-            SgStatement* controlParent = stmt->controlParent();
-            if (!controlParent)
-                controlParent = loop;
-            
-            insertAfter->insertStmtAfter(*stmtToInsert, *controlParent);
-            insertedStatements[stmt] = stmtToInsert;
-        }
-    }
-    
-    for (char* comment : savedComments) {
-        if (comment)
-            free(comment);
-    }
-    
-    return true;
-}
-
-vector<SAPFOR::BasicBlock*> findFuncBlocksByFuncStatement(SgStatement *st, const 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, 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();
-            unordered_set<int> blocks_nums;
-            
-            while (loopBody && loopBody != lastLoopNode) {
-                vector<SAPFOR::IR_Block*> irBlocks = findInstructionsFromOperator(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;
-}
-
-static void processLoopRecursively(SgForStmt* loop, const vector<SAPFOR::BasicBlock*>& blocks, 
-                                   const map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR) {
-    if (!loop) 
-        return;
-    
-    SgStatement* loopStart = loop->lexNext();
-    SgStatement* loopEnd = loop->lastNodeOfStmt();
-    if (loopStart && loopEnd) {
-        SgStatement* current = loopStart;
-        while (current && current != loopEnd) {
-            if (current->variant() == FOR_NODE && current != loop) {
-                SgForStmt* nestedLoop = (SgForStmt*)current;
-                processLoopRecursively(nestedLoop, blocks, FullIR);
-                SgStatement* nestedEnd = nestedLoop->lastNodeOfStmt();
-
-                if (nestedEnd)
-                    current = nestedEnd->lexNext();
-                else
-                    current = current->lexNext();
-            } 
-            else
-                current = current->lexNext();
-        }
-    }
-    
-    vector<OperatorInfo> operators = analyzeOperatorsInLoop(loop, blocks, FullIR);
-    if (!operators.empty()) {
-        map<string, vector<SgStatement*>> varDefinitions = findVariableDefinitions(loop, operators);
-        vector<SgStatement*> newOrder = optimizeOperatorOrder(loop, operators, varDefinitions);
-        applyOperatorReordering(loop, newOrder);
-    }
-}
-
-void moveOperators(SgFile *file, map<string, vector<LoopGraph*>>& loopGraph, 
-                   const map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR, 
-                   int& countOfTransform) {
-    countOfTransform += 1;
-    
-    //cout << "MOVE_OPERATORS Pass Started" << endl;
-
-    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 (auto& loopForAnalyze: loopsMapping)
-            processLoopRecursively(loopForAnalyze.first, loopForAnalyze.second, FullIR);
-    }
-    
-    //cout << "MOVE_OPERATORS Pass Completed" << endl;
-}

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, std::map<std::string, std::vector<LoopGraph*>>& loopGraph, const std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR, int& countOfTransform);

src/Utils/PassManager.h

@@ -319,7 +319,7 @@ void InitPassesDependencies(map<passes, vector<passes>> &passDepsIn, set<passes>
     list({ 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_COPY_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

@@ -1314,7 +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), "");
+        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/version.h

@@ -1,3 +1,3 @@
 #pragma once
 
-#define VERSION_SPF "2453"
+#define VERSION_SPF "2448"

src/VisualizerCalls/get_information.cpp

@@ -1802,13 +1802,6 @@ int SPF_InsertPrivateArrayDirectives(void*& context, int winHandler, short* opti
     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)
@@ -2517,8 +2510,6 @@ const wstring Sapfor_RunTransformation(const char* transformName_c, const char*
         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;