Remove unused code and comments

CMakeLists.txt

@@ -12,7 +12,6 @@ add_definitions("-D SYS5")
 add_definitions("-D YYDEBUG")
 
 set(CMAKE_CXX_STANDARD 17)
-set(CMAKE_C_STANDARD 17)
 
 set(fdvm_include    projects/dvm/fdvmh/include/fdvmh/)
 set(fdvm_sources    projects/dvm/fdvmh/tools/fdvmh/)
@@ -34,7 +33,6 @@ include_directories(src/Distribution)
 include_directories(src/GraphCall)
 include_directories(src/GraphLoop)
 include_directories(src/Transformations/ExpressionSubstitution)
-include_directories(src/Transformations)
 
 #Sage lib includes
 include_directories(${fdvm_include})
@@ -163,10 +161,6 @@ 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(TR_DEAD_CODE src/Transformations/DeadCodeRemoving/dead_code.cpp
         src/Transformations/DeadCodeRemoving/dead_code.h)
 set(TR_CP src/Transformations/CheckPoints/checkpoints.cpp
@@ -231,7 +225,7 @@ set(TRANSFORMS
         ${TR_EXPR_TRANSFORM}
         ${TR_INLINER}
         ${TR_RENAME_SYMBOLS})
-        
+
 set(CFG src/CFGraph/IR.cpp
         src/CFGraph/IR.h
         src/CFGraph/IR_domTree.cpp
@@ -244,14 +238,14 @@ set(CFG src/CFGraph/IR.cpp
         src/CFGraph/live_variable_analysis.h
         src/CFGraph/private_variables_analysis.cpp
         src/CFGraph/private_variables_analysis.h
-        )
+        src/CFGraph/IR_SSAForm.cpp
+        src/CFGraph/IR_SSAForm.h)
         
 set(DATA_FLOW
         src/CFGraph/DataFlow/data_flow.h
         src/CFGraph/DataFlow/data_flow_impl.h
         src/CFGraph/DataFlow/backward_data_flow.h
-        src/CFGraph/DataFlow/backward_data_flow_impl.h
+        src/CFGraph/DataFlow/backward_data_flow_impl.h)
-        )
 
 set(CREATE_INTER_T  src/CreateInterTree/CreateInterTree.cpp
         src/CreateInterTree/CreateInterTree.h)
@@ -327,7 +321,9 @@ set(GR_LOOP src/GraphLoop/graph_loops_base.cpp
 set(LOOP_ANALYZER  src/LoopAnalyzer/allocations_prepoc.cpp
         src/LoopAnalyzer/dep_analyzer.cpp        
         src/LoopAnalyzer/loop_analyzer.cpp
-        src/LoopAnalyzer/loop_analyzer.h)
+        src/LoopAnalyzer/loop_analyzer.h
+        src/LoopAnalyzer/implicit_loops_analyzer.cpp
+        src/LoopAnalyzer/implicit_loops_analyzer.h)
 
 set(MAIN src/Sapfor.cpp
         src/Sapfor.h
@@ -424,7 +420,6 @@ set(SOURCE_EXE
     ${TRANSFORMS}
     ${PARALLEL_REG}
     ${PRIV}
-    ${ARRAY_PROP}
     ${FDVM}
     ${OMEGA}
     ${UTILS}
@@ -476,7 +471,6 @@ source_group (GraphLoop FILES ${GR_LOOP})
 source_group (LoopAnalyzer FILES ${LOOP_ANALYZER})
 source_group (ParallelizationRegions FILES ${PARALLEL_REG})
 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})
@@ -493,7 +487,7 @@ source_group (Predictor\\Library FILES ${LIBPREDICTOR})
 source_group (Parser FILES ${PARSER})
 source_group (PPPA\\PPPA FILES ${PPPA})
 source_group (PPPA\\ZLib FILES ${ZLIB})
-
+   
 if (MSVC_IDE)   
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP /Zc:__cplusplus")
 else()
@@ -502,9 +496,7 @@ else()
     else()
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
     endif()
-    if(NOT CMAKE_BUILD_TYPE)
+   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
-    endif()
 endif()
 
 add_subdirectory(projects/Fdvm)

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/CFGraph.cpp

@@ -50,12 +50,30 @@ BBlock::BasicBlock(const BBlock& copyFrom)
     prev = copyFrom.prev;
 }
 
-void BBlock::addInstruction(IR_Block* item)
+void BBlock::addInstruction(IR_Block* item, bool pushFront)
 {
-    instructions.push_back(item);
+    if (pushFront)
+        instructions.insert(instructions.begin(), item);
+    else
+        instructions.push_back(item);
     item->setBasicBlock(this);
 }
 
+void BBlock::addInstructionBefore(IR_Block* item, Instruction* before)
+{
+    checkNull(before, convertFileName(__FILE__).c_str(), __LINE__);
+    checkNull(item, convertFileName(__FILE__).c_str(), __LINE__);
+
+    for (auto it = instructions.begin(); it != instructions.end(); ++it) {
+        if ((*it)->getInstruction() == before) {
+            instructions.insert(it, item);
+            item->setBasicBlock(this);
+            return;
+        }
+    }
+    printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
+}
+
 int BBlock::removePrev(BBlock* removed)
 {
     auto it = std::remove(prev.begin(), prev.end(), removed);
@@ -512,7 +530,7 @@ static int buildReachingDefs(const vector<BBlock*>& CFG, const FuncInfo* currF,
     return iter;
 }
 
-//Kosaraju–Sharir algorithm
+//Kosaraju-Sharir algorithm
 static vector<int> getStronglyConnectedComps(vector<vector<int>>& g) {
     // 1. For each vertex u of the graph, mark u as unvisited. Let l be empty.
     auto size = g.size();

src/CFGraph/CFGraph.h

@@ -6,6 +6,10 @@
 #include <vector>
 
 #include "IR.h"
+#include "../Utils/errors.h"
+#include "../Utils/utils.h"
+#include "../Utils/CommonBlock.h"
+#include "../GraphCall/graph_calls.h"
 #include "IR_domTree.h"
 
 namespace SAPFOR
@@ -41,7 +45,8 @@ namespace SAPFOR
         BasicBlock(IR_Block* item);
         BasicBlock(const BasicBlock& copyFrom);
 
-        void addInstruction(IR_Block* item);
+        void addInstructionBefore(IR_Block* item, Instruction* istruction);
+        void addInstruction(IR_Block* item, bool pushFront = false);
         void addPrev(BasicBlock* prev_) { prev.push_back(prev_); }
         void addNext(BasicBlock* next_) { next.push_back(next_); }
         void setDom(BasicBlock* dom) { directDominator = dom; }

src/CFGraph/IR.h

@@ -42,6 +42,7 @@ namespace SAPFOR
         Argument() : number(lastNumArg++), type(CFG_ARG_TYPE::NONE), value(""), mType(CFG_MEM_TYPE::NONE_) { }
         Argument(CFG_ARG_TYPE type, CFG_MEM_TYPE mType) : number(lastNumArg++), type(type), mType(mType), value("") { }
         Argument(CFG_ARG_TYPE type, CFG_MEM_TYPE mType, const std::string& value) : number(lastNumArg++), type(type), mType(mType), value(value) { }
+        Argument(CFG_ARG_TYPE type, CFG_MEM_TYPE mType, const std::string& value, int num) : number(num), type(type), mType(mType), value(value) { }
         Argument(CFG_ARG_TYPE type, const std::string& value) : number(lastNumArg++), type(type), mType(CFG_MEM_TYPE::NONE_), value(value) 
         {
             if (type != CFG_ARG_TYPE::INSTR && type == CFG_ARG_TYPE::LAB &&
@@ -50,6 +51,9 @@ namespace SAPFOR
                 printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
             }
         }
+        Argument(const Argument& other)
+            : number(other.number), type(other.type), mType(other.mType), value(other.value)
+        { }
 
         void setType(CFG_ARG_TYPE newType) { type = newType; }
         CFG_ARG_TYPE getType() const { return type; }

src/CFGraph/IR_SSAForm.cpp

@@ -0,0 +1,386 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <vector>
+#include <set>
+
+#include "../Utils/SgUtils.h"
+#include "../Utils/CommonBlock.h"
+#include "../GraphCall/graph_calls.h"
+
+#include "dvm.h"
+#include "IR.h"
+#include "CFGraph.h"
+
+using namespace std;
+using namespace SAPFOR;
+
+static const SAPFOR::Argument CONST_UNDEFINED_ARG(CFG_ARG_TYPE::CONST, CFG_MEM_TYPE::COMMON_, "-1");
+
+template <typename T> static bool compareVectors(const vector<T>* vec1, const vector<T>* vec2)
+{
+    if (vec1 == vec2)
+        return true;
+    
+    if (!vec1 || !vec2)
+        return false;
+    
+    vector<T> sortedVec1 = *vec1;
+    vector<T> sortedVec2 = *vec2;
+
+    sort(sortedVec1.begin(), sortedVec1.end());
+    sort(sortedVec2.begin(), sortedVec2.end());
+
+    return sortedVec1 == sortedVec2;
+}
+
+template <typename T> static vector<T>* getCommonElements(const vector<vector<T>>* vectors)
+{
+    if (!vectors || vectors->empty())
+        return new vector<T>();
+    
+    vector<T>* commonElements = new vector<T>((*vectors)[0]);
+
+    for (size_t i = 1; i < vectors->size(); ++i) 
+    {
+        vector<T> tempCommon;
+
+        vector<T> sortedVec = (*vectors)[i];
+        sort(commonElements->begin(), commonElements->end());
+        sort(sortedVec.begin(), sortedVec.end());
+
+        set_intersection(
+            commonElements->begin(), commonElements->end(),
+            sortedVec.begin(), sortedVec.end(),
+            back_inserter(tempCommon)
+        );
+
+        *commonElements = tempCommon;
+
+        if (commonElements->empty())
+            break;
+    }
+
+    return commonElements;
+}
+
+
+static map<SAPFOR::BasicBlock*, vector<SAPFOR::BasicBlock*>> findDominators(const vector<SAPFOR::BasicBlock*>& blocks) 
+{
+    map<SAPFOR::BasicBlock*, vector<SAPFOR::BasicBlock*>> result;
+
+    bool changed = true;
+    while (changed)
+    {
+        changed = false;
+
+        for (auto& currentBlock : blocks) 
+        {
+            auto pred = currentBlock->getPrev();
+            auto prevDominators = new vector<vector<SAPFOR::BasicBlock*>>();
+
+            for (auto predBlock : pred)
+                prevDominators->push_back(result.find(predBlock) != result.end() ? result[predBlock] : blocks);
+
+            auto currentBlockResult = getCommonElements(prevDominators);
+            currentBlockResult->push_back(currentBlock);
+
+            if (result.find(currentBlock) == result.end() || !compareVectors(currentBlockResult, &result[currentBlock])) 
+            {
+                result[currentBlock] = *currentBlockResult;
+                changed = true;
+            }
+        }
+    }
+
+    return result;
+}
+
+static map<SAPFOR::BasicBlock*, vector<SAPFOR::BasicBlock*>> findDominatorBorders(const vector<SAPFOR::BasicBlock*>& blocks)
+{
+    map<SAPFOR::BasicBlock*, vector<SAPFOR::BasicBlock*>> result;
+
+    for (auto& block : blocks)
+        result[block] = *(new vector<SAPFOR::BasicBlock*>());
+
+    for (auto& block : blocks) 
+    {
+        if (block->getPrev().size() > 1) 
+        {
+            for (auto prev : block->getPrev()) 
+            {
+                auto tmpBlock = prev;
+
+                while (tmpBlock != block->getDom())
+                {
+                    result[tmpBlock].push_back(block);
+                    tmpBlock = tmpBlock->getDom();
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+static pair<set<SAPFOR::Argument*>, map<SAPFOR::Argument*, set<SAPFOR::BasicBlock*>>> getGlobalsAndVarBlocks(const vector<SAPFOR::BasicBlock*>& blocks)
+{
+    set<SAPFOR::Argument*> globals;
+    map<SAPFOR::Argument*, set<SAPFOR::BasicBlock*>> varBlocks;
+
+    for (auto& block : blocks) 
+    {
+        set<SAPFOR::Argument*> def;
+        const auto& instructions = block->getInstructions();
+
+        for (const auto& irBlock : instructions) 
+        {
+            if (irBlock) 
+            {
+                Instruction* instr = irBlock->getInstruction();
+
+                if (instr) 
+                {
+                    auto arg1 = instr->getArg1();
+                    auto arg2 = instr->getArg2();
+                    auto res = instr->getResult();
+
+                    if (arg1 && arg1->getType() == CFG_ARG_TYPE::VAR && find(def.begin(), def.end(), arg1) == def.end())
+                        globals.insert(arg1);
+
+                    if (arg2 && arg2->getType() == CFG_ARG_TYPE::VAR && find(def.begin(), def.end(), arg2) == def.end())
+                        globals.insert(arg2);
+
+                    if (res && res->getType() == CFG_ARG_TYPE::VAR) 
+                    {
+                        def.insert(res);
+                        varBlocks[res].insert(block);
+                    }
+                }
+            }
+        }
+    }
+
+    return make_pair(globals, varBlocks);
+}
+
+static void getBlocksWithFiFunctions(const vector<SAPFOR::BasicBlock*> blocks, set<SAPFOR::Argument*>& globals, 
+                                     map<SAPFOR::Argument*, set<SAPFOR::BasicBlock*>>& varBlocks, 
+                                     map<SAPFOR::BasicBlock*, vector<SAPFOR::BasicBlock*>>& dominatorBorders) 
+{
+    vector<SAPFOR::BasicBlock*> blocksWithFiFunctions;
+    auto fiFunc = new SAPFOR::Argument(CFG_ARG_TYPE::FUNC, CFG_MEM_TYPE::NONE_, "FI_FUNCTION");
+    auto paramCount = new SAPFOR::Argument(CFG_ARG_TYPE::CONST, CFG_MEM_TYPE::LOCAL_, "0");
+
+    for (auto& var : globals)
+    {
+        auto worklist = varBlocks[var];
+        set<SAPFOR::BasicBlock*> hasFiFunction;
+
+        while (!worklist.empty()) 
+        {
+            auto block = *worklist.begin();
+            worklist.erase(block);
+
+            for (auto& dfBlock : dominatorBorders[block]) 
+            {
+                if (hasFiFunction.find(dfBlock) == hasFiFunction.end()) 
+                {
+                    hasFiFunction.insert(dfBlock);
+                    Instruction* phiInstruction = new Instruction(CFG_OP::F_CALL, new SAPFOR::Argument(*fiFunc), new SAPFOR::Argument(*paramCount), var, dfBlock->getInstructions()[0]->getInstruction()->getOperator());
+
+                    IR_Block* phiBlock = new IR_Block(phiInstruction);
+                    dfBlock->addInstruction(phiBlock, true);
+                }
+            }
+        }
+    }
+}
+
+static void restoreConnections(const vector<SAPFOR::BasicBlock*>& originalBlocks, vector<SAPFOR::BasicBlock*>& copiedBlocks) 
+{
+    map<SAPFOR::BasicBlock*, SAPFOR::BasicBlock*> blockMapping;
+    for (size_t i = 0; i < originalBlocks.size(); ++i)
+        blockMapping[originalBlocks[i]] = copiedBlocks[i];
+
+    for (size_t i = 0; i < originalBlocks.size(); ++i) 
+    {
+        SAPFOR::BasicBlock* originalBlock = originalBlocks[i];
+        SAPFOR::BasicBlock* copiedBlock = copiedBlocks[i];
+
+        auto prevCopy = copiedBlock->getPrev();
+        for (auto j : prevCopy)
+            copiedBlock->removePrev(j);
+        
+        auto nextCopy = copiedBlock->getNext();
+        for (auto j : nextCopy)
+            copiedBlock->removeNext(j);
+        
+        for (auto* succ : originalBlock->getNext())
+            copiedBlock->addNext(blockMapping[succ]);
+        
+        for (auto* prev : originalBlock->getPrev())
+            copiedBlock->addPrev(blockMapping[prev]);
+    }
+}
+
+
+static SAPFOR::Argument* newName(SAPFOR::Argument* var, map<string, int>& counter, map<string, stack<SAPFOR::Argument*>>& stack, int number) {
+    counter[var->getValue()]++;
+
+    SAPFOR::Argument* newName = new SAPFOR::Argument(var->getType(), var->getMemType(), var->getValue(), number);
+    stack[var->getValue()].push(newName);
+    return newName;
+}
+
+static void renameFiFunctionResultVar(SAPFOR::BasicBlock* block, map<string, int>& counter, map<string, stack<SAPFOR::Argument*>>& stack) {
+    for (auto& irBlock : block->getInstructions()) 
+    {
+        auto instruction = irBlock->getInstruction();
+        if (instruction->getOperation() == CFG_OP::F_CALL && instruction->getArg1() != NULL &&
+            instruction->getArg1()->getValue() == "FI_FUNCTION" && instruction->getResult() != NULL)
+        {
+            instruction->setResult(newName(instruction->getResult(), counter, stack, instruction->getNumber()));
+        }
+    }
+}
+
+static void renameInstructionVars(SAPFOR::BasicBlock* block, map<string, int>& counter, map<string, stack<SAPFOR::Argument*>>& stack) 
+{
+    for (auto& irBlock : block->getInstructions()) 
+    {
+        auto instruction = irBlock->getInstruction();
+
+        if (instruction->getArg1() != NULL && instruction->getArg1()->getType() == CFG_ARG_TYPE::VAR)
+            instruction->setArg1(stack[instruction->getArg1()->getValue()].top());
+
+        if (instruction->getArg2() != NULL && instruction->getArg2()->getType() == CFG_ARG_TYPE::VAR)
+            instruction->setArg2(stack[instruction->getArg2()->getValue()].top());
+
+        if (instruction->getResult() != NULL && instruction->getResult()->getType() == CFG_ARG_TYPE::VAR)
+            instruction->setResult(newName(instruction->getResult(), counter, stack, instruction->getNumber()));
+    }
+}
+
+static void renameFiFunctionArgsVar(SAPFOR::BasicBlock* block, map<string, stack<SAPFOR::Argument*>>& stack) 
+{
+    auto size = block->getInstructions().size();
+    auto& instructions = block->getInstructions();
+
+    for (size_t i = 0; i < size; ++i) 
+    {
+        auto irBlock = instructions[i];
+        auto instruction = irBlock->getInstruction();
+        if (instruction->getOperation() == CFG_OP::F_CALL && instruction->getArg1() != NULL && 
+            instruction->getArg1()->getValue() == "FI_FUNCTION" && instruction->getResult() != NULL && 
+            instruction->getArg2() != NULL) 
+        {
+            Instruction* paramInstruction;
+            
+            if (stack[instruction->getResult()->getValue()].size() > 0) 
+            {
+                SAPFOR::Argument* tmp = new SAPFOR::Argument(CFG_ARG_TYPE::CONST, CFG_MEM_TYPE::COMMON_, to_string(stack[instruction->getResult()->getValue()].top()->getNumber()));
+                paramInstruction = new Instruction(CFG_OP::PARAM, tmp);
+            }
+            else 
+            {
+                SAPFOR::Argument* tmp = new SAPFOR::Argument(CFG_ARG_TYPE::CONST, CFG_MEM_TYPE::COMMON_, "-1");
+                paramInstruction = new Instruction(CFG_OP::PARAM, tmp);
+            }
+
+            paramInstruction->setOperator(block->getInstructions()[0]->getInstruction()->getOperator());
+            block->addInstructionBefore(new IR_Block(paramInstruction), instruction);
+
+            instruction->getArg2()->setValue(to_string(stoi(instruction->getArg2()->getValue()) + 1));
+            i++;
+        }
+    }
+}
+
+static vector<SAPFOR::BasicBlock*> findBlocksWithValue(vector<SAPFOR::BasicBlock*>& blocks, SAPFOR::BasicBlock* x) 
+{
+    vector<SAPFOR::BasicBlock*> result;
+
+    for (auto& block : blocks)
+        if (block->getDom() == x)
+            result.push_back(block);
+
+    return result;
+}
+
+static void renameIR(SAPFOR::BasicBlock* block, vector<SAPFOR::BasicBlock*>& blocks, map<string, int>& counter, map<string, stack<SAPFOR::Argument*>>& stack)
+{
+    renameFiFunctionResultVar(block, counter, stack);
+    renameInstructionVars(block, counter, stack);
+
+    for (auto& successor : block->getNext())
+        renameFiFunctionArgsVar(successor, stack);
+    
+    for (auto& child : findBlocksWithValue(blocks, block))
+        renameIR(child, blocks, counter, stack);
+
+    for (auto& irBlock : block->getInstructions())
+    {
+        auto instruction = irBlock->getInstruction();
+        if (instruction->getResult() != NULL && instruction->getResult()->getType() == CFG_ARG_TYPE::VAR) 
+        {
+            string varName = instruction->getResult()->getValue();
+            stack[varName].pop();
+        }
+    }
+
+    for (auto& irBlock : block->getInstructions()) 
+    {
+        auto instruction = irBlock->getInstruction();
+        if (instruction->getOperation() == CFG_OP::F_CALL && instruction->getArg1() != NULL && 
+            instruction->getArg1()->getValue() == "FI_FUNCTION" && instruction->getResult() != NULL) 
+        {
+            string varName = instruction->getResult()->getValue();
+            stack[varName].pop();
+        }
+    }
+}
+
+void buildFuncIRSSAForm(FuncInfo* funcInfo, const std::vector<SAPFOR::BasicBlock*>& funcIRConst, std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& result)
+{
+    vector<SAPFOR::BasicBlock*> funcIR;
+
+    for (auto& i : funcIRConst)
+        funcIR.push_back(new SAPFOR::BasicBlock(*i));
+
+    restoreConnections(funcIRConst, funcIR);
+
+    SAPFOR::buildDominatorTree(funcIR);
+
+    auto dominatorBorders = findDominatorBorders(funcIR);
+
+    auto globalsAndVarBlocks = getGlobalsAndVarBlocks(funcIR);
+    auto globals = globalsAndVarBlocks.first;
+    auto varBlocks = globalsAndVarBlocks.second;
+
+    getBlocksWithFiFunctions(funcIR, globals, varBlocks, dominatorBorders);
+
+    map<string, int> count;
+    map<string, stack<SAPFOR::Argument*>> varStack;
+
+    for (auto& var : globals)
+    {
+        count[var->getValue()] = 0;
+
+        stack<SAPFOR::Argument*> tmp;
+        tmp.push(new SAPFOR::Argument(CONST_UNDEFINED_ARG));
+        varStack[var->getValue()] = tmp;
+    }
+
+    renameIR(funcIR[0], funcIR, count, varStack);
+
+    result[funcInfo] = funcIR;
+}
+
+FuncInfo* getIRByFilename(const std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& fullIR, const char* filename)
+{
+    for (auto ir : fullIR)
+        if (ir.first->fileName == filename)
+            return ir.first;
+
+    return nullptr;
+}

src/CFGraph/IR_SSAForm.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include "CFGraph.h"
+#include "IR.h"
+
+void buildFuncIRSSAForm(FuncInfo* funcInfo, const std::vector<SAPFOR::BasicBlock*>& fullIR, std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& result);
+
+FuncInfo* getIRByFilename(const std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& fullIR, const char* filename);

src/CFGraph/IR_domTree.h

@@ -7,7 +7,7 @@
 #include "CFGraph.h"
 
 // Lengauer, Thomas. A fast algorithm for finding dominators in a flowgraph / Thomas Lengauer, Robert Endre Tarjan 
-// ACM Transactions on Programming Languages and Systems (TOPLAS). — 1979. — Vol. 1, no. 1. — Pp. 121–141.
+// ACM Transactions on Programming Languages and Systems (TOPLAS). <EFBFBD> 1979. <EFBFBD> Vol. 1, no. 1. <EFBFBD> Pp. 121<EFBFBD>141.
 
 namespace SAPFOR {
 

src/DirectiveProcessing/directive_creator.cpp

@@ -22,7 +22,7 @@
 #include "SgUtils.h"
 #include "../Sapfor.h"
 #include "graph_loops_func.h"
-#include "LoopNesting/loop_transform.h"
+#include "../Transformations/LoopNesting/loop_transform.h"
 #include "expr_transform.h"
 #include "graph_calls_func.h"
 

src/DirectiveProcessing/directive_creator_base.cpp

@@ -10,7 +10,7 @@
 
 #include "../ParallelizationRegions/ParRegions.h"
 #include "../Distribution/Arrays.h"
-#include "LoopNesting/loop_transform.h"
+#include "../Transformations/LoopNesting/loop_transform.h"
 
 #include "errors.h"
 #include "directive_parser.h"

src/DirectiveProcessing/shadow.cpp

@@ -15,7 +15,7 @@
 #include "SgUtils.h"
 #include "expr_transform.h"
 
-#include "CFGraph/CFGraph.h"
+#include "../CFGraph/CFGraph.h"
 
 #include "shadow.h"
 #include "dvm.h"

src/Distribution/ArrayAnalysis.cpp

@@ -241,15 +241,13 @@ static void findArrayRefs (SgExpression* ex, SgStatement* st, string fName, int
                 itNew->second.first->SetRegionPlace(reg);
 
             const auto oldVal = itNew->second.first->GetDistributeFlagVal();
-            bool isArrayInModule = (itNew->second.first->GetLocation().first == DIST::l_MODULE);
+            bool isarrayInModule = (itNew->second.first->GetLocation().first == DIST::l_MODULE);
 
             if (oldVal == DIST::DISTR || oldVal == DIST::NO_DISTR)
             {
                 if (itNew->second.first->IsOmpThreadPrivate())
                     itNew->second.first->SetDistributeFlag(DIST::SPF_PRIV);
-                else if (deprecatedByIO.find(symb->identifier()) != deprecatedByIO.end())
+                else if (privates.find(symb->identifier()) != privates.end() || isarrayInModule)
-                    itNew->second.first->SetDistributeFlag(DIST::IO_PRIV);
-                else if (isArrayInModule || privates.find(symb->identifier()) != privates.end())
                 {
                     //check in module
                     if (itNew->second.first->GetLocation().first == DIST::l_MODULE)
@@ -276,6 +274,8 @@ static void findArrayRefs (SgExpression* ex, SgStatement* st, string fName, int
                     else
                         itNew->second.first->SetDistributeFlag(DIST::SPF_PRIV);
                 }
+                else if (deprecatedByIO.find(symb->identifier()) != deprecatedByIO.end())
+                    itNew->second.first->SetDistributeFlag(DIST::IO_PRIV);
                 else if (isSgConstantSymb(symb) || inDataStat)
                     itNew->second.first->SetDistributeFlag(DIST::SPF_PRIV);
                 else

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 });
+                    const vector<int*> &coefs = getAttributes<SgExpression*, int*>(ref->subscript(i), set<int>{ INT_VAL });
-                    if (coeffs.size() == 1)
+                    if (coefs.size() == 1)
                     {
-                        const pair<int, int> coef(coeffs[0][0], coeffs[0][1]);
+                        const pair<int, int> coef(coefs[0][0], coefs[0][1]);
                         auto it = shiftsByAccess[i].find(coef);
                         if (it != shiftsByAccess[i].end())
                             if (it->second != 0)

src/Distribution/DvmhDirectiveBase.cpp

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

src/DvmhRegions/DvmhRegionInserter.cpp

@@ -11,9 +11,9 @@
 #include "DvmhRegionInserter.h"
 #include "DvmhRegions/RegionsMerger.h"
 #include "../VerificationCode/verifications.h"
+#include "../Transformations/FunctionPurifying/function_purifying.h"
 #include "../LoopAnalyzer/loop_analyzer.h"
 #include "../DirectiveProcessing/directive_parser.h"
-#include "FunctionPurifying/function_purifying.h"
 
 using namespace std;
 
@@ -794,6 +794,154 @@ ArraySet DvmhRegionInserter::get_used_arrs_for_block(SgStatement* st, int usage_
     return usages;
 }
 
+static bool filterFromList(SgStatement* st, const set<string>& idents, bool exclude = false)
+{
+    bool empty = false;
+    SgExpression* list = st->expr(0);
+    vector<SgExpression*> newList;
+
+    int total = 0;
+    while (list)
+    {
+        if (exclude)
+        {
+            if (idents.find(list->lhs()->symbol()->identifier()) == idents.end())
+                newList.push_back(list->lhs());
+        }
+        else
+        {
+            if (idents.find(list->lhs()->symbol()->identifier()) != idents.end())
+                newList.push_back(list->lhs());
+        }
+        total++;
+        list = list->rhs();
+    }
+
+    if (newList.size() == 0)
+        empty = true;
+    else if (total != newList.size())
+        st->setExpression(0, makeExprList(newList));
+
+    return empty;
+}
+
+static string getInterfaceBlock(SgStatement* func, const FuncParam& pars)
+{
+    string oldFile = current_file->filename();
+    if (!func->switchToFile())
+        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
+
+    auto copy = duplicateProcedure(func, NULL, false, false, false, true);
+    const set<string> idents(pars.identificators.begin(), pars.identificators.end());
+
+    bool need = (func->symbol()->identifier() == string("bl182"));
+
+    //remove all exec
+    SgStatement* st = copy->lexNext();
+    SgStatement* last = copy->lastNodeOfStmt();
+    vector<SgStatement*> toExtract;
+
+    while (st != last)
+    {
+        if (isDVM_stat(st) || isSPF_stat(st))
+        {
+            if (st->variant() != ACC_ROUTINE_DIR)
+            {
+                toExtract.push_back(st);
+                st = st->lexNext();
+            }
+            else
+                st = st->lexNext();
+        }
+        else if (isSgExecutableStatement(st))
+        {
+            SgStatement* next = st->lastNodeOfStmt();
+            if (next != last)
+                next = next->lexNext();
+            toExtract.push_back(st);
+            st = next;
+        }
+        else
+            st = st->lexNext();
+    }  
+
+    //remove unused declarations
+    st = copy->lexNext();
+    while (st != last)
+    {
+        const int var = st->variant();
+
+        if (var == VAR_DECL
+            || var == VAR_DECL_90
+            || var == DIM_STAT
+            || var == INTENT_STMT
+            || var == EXTERN_STAT)
+        {
+            bool empty = filterFromList(st, idents);
+            if (empty)
+            {
+                toExtract.push_back(st);
+                st = st->lexNext();
+                continue;
+            }
+        }
+        else if (!isDVM_stat(st) && !isSPF_stat(st))
+            toExtract.push_back(st);
+
+        if (st->variant() == CONTAINS_STMT)
+            break;
+        st = st->lexNext();
+    }
+
+    for (auto& elem : toExtract)
+        elem->extractStmt();
+
+    string retVal = copy->unparse();
+
+    if (SgFile::switchToFile(oldFile) == -1)
+        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
+
+    return retVal;
+}
+
+static void insertInterface(SgStatement* func, const string& iface, const string& fName)
+{
+    string oldFile = current_file->filename();
+    if (!func->switchToFile())
+        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
+
+    SgStatement* st = func->lexNext();
+    SgStatement* last = func->lastNodeOfStmt();
+    while (st != last)
+    {
+        if (st->variant() == VAR_DECL || st->variant() == VAR_DECL_90)
+        {
+            bool empty = filterFromList(st, { fName }, true);
+            if (empty)
+            {
+                SgStatement* next = st->lexNext();
+                st->extractStmt();
+                st = next;
+                continue;
+            }
+        }
+
+        if (isSgExecutableStatement(st))
+            break;
+        st = st->lexNext();
+    }
+    SgStatement* ifaceBlock = new SgStatement(INTERFACE_STMT);
+    addControlEndToStmt(ifaceBlock->thebif);
+
+    ifaceBlock->setlineNumber(getNextNegativeLineNumber()); // st->lineNumber()
+    ifaceBlock->setFileName(st->fileName());
+    st->insertStmtBefore(*ifaceBlock, *st->controlParent());    
+    ifaceBlock->lastNodeOfStmt()->addComment(iface.c_str());
+
+    if (SgFile::switchToFile(oldFile) == -1)
+        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
+}
+
 static LoopGraph* getParallelLoop(LoopGraph* loop)
 {
     auto prev_st = loop->loop->lexPrev();
@@ -1024,7 +1172,7 @@ static bool isPure(SgStatement* func)
 
 void DvmhRegionInserter::createInterfaceBlockForOutCall(FuncInfo* func, FuncInfo* callFrom)
 {
-    insertInterface(func->funcPointer, callFrom);
+    insertInterface(func->funcPointer, getInterfaceBlock(callFrom->funcPointer->GetOriginal(), callFrom->funcParams), callFrom->funcName);
 }
 
 void DvmhRegionInserter::createInterfaceBlockForParallelFunctions(bool onlyRoutine)
@@ -1297,10 +1445,7 @@ static set<DIST::Array*>
                 {
                     declStat = SgStatement::getStatementByFileAndLine(decl.first, decl.second);
                     if (declStat == NULL) // check in inlcudes 
-                    {
+                    {                        
-                        if (!main->switchToFile())
-                            printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
                         for (auto st = main; st != main->lastNodeOfStmt() && !declStat; st = st->lexNext())
                         {
                             if (st->fileName() == decl.first && st->lineNumber() == decl.second)
@@ -1312,7 +1457,7 @@ static set<DIST::Array*>
                     }
                     else
                     {
-                        declStat = getFuncStat(declStat, { BLOCK_DATA });
+                        declStat = getFuncStat(declStat);
                         if (declStat != main)
                         {
                             declStat = NULL;

src/GraphCall/graph_calls.cpp

@@ -14,7 +14,7 @@
 #include "dvm.h"
 #include "graph_calls_func.h"
 
-#include "CFGraph/CFGraph.h"
+#include "../CFGraph/CFGraph.h"
 #include "graph_loops_func.h"
 #include "../DirectiveProcessing/directive_parser.h"
 #include "SgUtils.h"
@@ -779,20 +779,6 @@ static void checkSpecList(SgExpression *spec, FuncInfo* currF, const map<string,
     }
 }
 
-static void checkInTypeDescription(SgExpression *ex, FuncInfo* currF, const map<string, int>& parNames)
-{
-    if (ex)
-    {
-        if (ex->variant() == ARRAY_REF)
-            fillIn(currF, ex->lhs(), parNames, false);
-        else
-        {
-            checkInTypeDescription(ex->lhs(), currF, parNames);
-            checkInTypeDescription(ex->rhs(), currF, parNames);
-        }
-    }
-}
-
 static void fillInOut(FuncInfo *currF, SgStatement *start, SgStatement *last, const set<SgStatement*>& activeOps)
 {
     if (currF->funcParams.countOfPars == 0)
@@ -812,13 +798,8 @@ static void fillInOut(FuncInfo *currF, SgStatement *start, SgStatement *last, co
 
         if (st->variant() == ENTRY_STAT)
             continue;
-        
-        if (isSgExecutableStatement(st) == NULL) {
-            checkInTypeDescription(st->expr(0), currF, parNames);
-            continue;
-        }
 
-        if (st->lineNumber() <= 0)
+        if (isSgExecutableStatement(st) == NULL || st->lineNumber() <= 0)
             continue;
 
         if (activeOps.size() && activeOps.find(st) == activeOps.end())

src/GraphLoop/graph_loops.cpp

@@ -31,7 +31,7 @@
 #include "../DirectiveProcessing/directive_parser.h"
 #include "../DynamicAnalysis/gCov_parser_func.h"
 
-#include "VectorAssignToLoop/array_assign_to_loop.h"
+#include "../Transformations/VectorAssignToLoop/array_assign_to_loop.h"
 
 using std::vector;
 using std::map;

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/implicit_loops_analyzer.cpp

@@ -0,0 +1,281 @@
+#include <map>
+#include <set>
+#include <vector>
+#include <string>
+#include <iostream>
+#include <stack>
+
+#include "../CFGraph/IR.h"
+#include "GraphCall/graph_calls.h"
+#include "implicit_loops_analyzer.h"
+
+using namespace std;
+using namespace SAPFOR;
+
+using std::map;
+using std::set;
+using std::vector;
+using std::pair;
+using std::string;
+using std::cout;
+using std::endl;
+using std::make_pair;
+using std::to_string;
+
+enum VisitState { UNVISITED = 0, VISITING = 1, VISITED = 2 };
+
+void dfs(SAPFOR::BasicBlock* block,
+    std::map<int, int>& visit,
+    std::vector<std::pair<SAPFOR::BasicBlock*, SAPFOR::BasicBlock*>>& startAndEnd,
+    SAPFOR::BasicBlock* prev)
+{
+    if (!block)
+        return;
+
+    int id = block->getNumber();
+
+    if (visit[id] == VISITING) {
+        startAndEnd.emplace_back(prev, block);
+        return;
+    }
+
+    if (visit[id] == VISITED)
+        return;
+
+    visit[id] = VISITING;
+
+    for (auto next : block->getNext())
+        dfs(next, visit, startAndEnd, block);
+
+    visit[id] = VISITED;
+}
+
+void getLoopBody(SAPFOR::BasicBlock* loopHeader, const std::set<SAPFOR::BasicBlock*>& loopExits, std::vector<SAPFOR::BasicBlock*>& loopBody)
+{
+    std::set<SAPFOR::BasicBlock*> visited;
+    std::stack<SAPFOR::BasicBlock*> stack;
+
+    stack.push(loopHeader);
+
+    while (!stack.empty())
+    {
+        auto block = stack.top();
+        stack.pop();
+
+        if (visited.count(block))
+            continue;
+        visited.insert(block);
+
+        for (auto succ : block->getNext())
+        {
+            if (loopExits.count(succ))
+                continue;
+            if (!visited.count(succ))
+                stack.push(succ);
+        }
+    }
+
+    std::set<SAPFOR::BasicBlock*> backReachable;
+    std::stack<SAPFOR::BasicBlock*> reverseStack;
+    reverseStack.push(loopHeader);
+
+    while (!reverseStack.empty())
+    {
+        auto block = reverseStack.top();
+        reverseStack.pop();
+
+        if (backReachable.count(block))
+            continue;
+        backReachable.insert(block);
+
+        for (auto pred : block->getPrev())
+            if (visited.count(pred) && !backReachable.count(pred))
+                reverseStack.push(pred);
+    }
+
+    for (auto block : visited)
+        if (backReachable.count(block))
+            loopBody.push_back(block);
+}
+
+SAPFOR::Instruction* findDef(const SAPFOR::Argument* arg,
+    const std::vector<SAPFOR::BasicBlock*>& blocks)
+{
+    if (!arg)
+        return nullptr;
+    std::string argName = arg->getValue();
+
+    for (auto block : blocks) {
+        for (auto instrWrapper : block->getInstructions()) {
+            auto instr = instrWrapper->getInstruction();
+            if (!instr)
+                continue;
+
+            auto res = instr->getResult();
+            if (!res)
+                continue;
+
+            if (res->getValue() == argName)
+                return instr;
+        }
+    }
+
+    return nullptr;
+}
+
+const SAPFOR::Argument* getBaseSource(const SAPFOR::Argument* arg, const std::vector<SAPFOR::BasicBlock*>& blocks)
+{
+    while (arg && arg->getType() == CFG_ARG_TYPE::REG)
+    {
+        auto defInstr = findDef(arg, blocks);
+        if (!defInstr)
+            break;
+        auto defOp = defInstr->getOperation();
+
+        if (defOp == CFG_OP::ASSIGN)
+            arg = defInstr->getArg1();
+        else
+            break;
+    }
+    return arg;
+}
+
+void findInductiveVars(const std::vector<SAPFOR::BasicBlock*>& Loopblocks, const std::vector<SAPFOR::BasicBlock*>& blocks)
+{
+    std::set<std::string> inductiveVars;
+
+    for (auto block : Loopblocks)
+    {
+        for (auto instrWrapper : block->getInstructions())
+        {
+            auto instr = instrWrapper->getInstruction();
+            if (!instr)
+                continue;
+
+            auto res = instr->getResult();
+            if (!res || res->getType() != SAPFOR::CFG_ARG_TYPE::VAR)
+                continue;
+
+            while (instr && instr->getOperation() == CFG_OP::ASSIGN)
+                instr = findDef(instr->getArg1(), blocks);
+
+            if (!instr || instr->getOperation() != CFG_OP::ADD && instr->getOperation() != CFG_OP::SUBT)
+                continue;
+
+            auto arg1 = getBaseSource(instr->getArg1(), blocks);
+            auto arg2 = getBaseSource(instr->getArg2(), blocks);
+
+            bool ok = false;
+            if (res->getValue() == arg1->getValue() && arg2->getType() == CFG_ARG_TYPE::CONST)
+                ok = true;
+            else if (res->getValue() == arg2->getValue() && arg1->getType() == CFG_ARG_TYPE::CONST)
+                ok = true;
+
+            if (ok)
+                inductiveVars.insert(res->getValue());
+        }
+    }
+
+    if (inductiveVars.empty())
+        std::cout << "No inductive variables found." << std::endl;
+    else
+        for (const auto& var : inductiveVars)
+            std::cout << "Inductive variable: " << var << std::endl;
+}
+
+Instruction* findInstructionAfterLoop(const std::vector<SAPFOR::BasicBlock*>& loopBody)
+{
+    std::set<SAPFOR::BasicBlock*> loopSet(loopBody.begin(), loopBody.end());
+
+    for (auto block : loopBody)
+    {
+        for (auto succ : block->getNext())
+        {
+            if (!loopSet.count(succ))
+            {
+                auto instructions = succ->getInstructions();
+                if (instructions.empty())
+                    std::cout << "Exit block has no instructions." << std::endl;
+
+                for (auto wrapper : instructions)
+                    if (auto instr = wrapper->getInstruction())
+                        return instr;
+            }
+        }
+    }
+
+    return nullptr;
+}
+
+void findImplicitLoops(const std::vector<SAPFOR::BasicBlock*>& irSSA, const std::vector<LoopGraph*> loopGraph)
+{
+    map<int, int> visited;
+    for (auto i : irSSA)
+        visited[i->getNumber()] = UNVISITED;
+
+    vector<pair<SAPFOR::BasicBlock*, SAPFOR::BasicBlock*>> startAndEnd;
+    dfs(irSSA[0], visited, startAndEnd, NULL);
+
+    vector<LoopGraph*> loops;
+
+    for (auto& [tail, header] : startAndEnd)
+    {
+        set<SAPFOR::BasicBlock*> loopExits;
+
+        for (auto succ : tail->getNext())
+            if (succ != header)
+                loopExits.insert(succ);
+
+        vector<SAPFOR::BasicBlock*> loopBody;
+        getLoopBody(header, loopExits, loopBody);
+
+        findInductiveVars(loopBody, irSSA);
+
+        Instruction* instructionAfterLoop = findInstructionAfterLoop(loopBody);
+
+        if (instructionAfterLoop == NULL)
+        {
+            cout << "Warning: instruction after loop not found!" << endl;
+            continue;
+        }
+
+        auto firstInstruction = header->getInstructions()[0]->getInstruction();
+        auto lastInstruction = tail->getInstructions().back()->getInstruction();
+        auto tmpLoop = new LoopGraph();
+        tmpLoop->lineNum = firstInstruction->getOperator()->lineNumber();
+        tmpLoop->lineNumAfterLoop = instructionAfterLoop->getOperator()->lineNumber();
+
+
+        if (firstInstruction->getOperator()->variant() == FOR_NODE) 
+        {
+            SgForStmt* stmt = isSgForStmt(firstInstruction->getOperator());
+
+            cout << "for loop" << endl;
+        }
+        else if (firstInstruction->getOperator()->variant() == WHILE_NODE) 
+        {
+            SgWhileStmt* stmt = isSgWhileStmt(firstInstruction->getOperator());
+
+            cout << (stmt->conditional() == NULL ? "infinit" : "") << "while loop" << endl;
+        }
+        else if (firstInstruction->getOperator()->variant() == DO_WHILE_NODE) 
+        {
+            SgWhileStmt* stmt = isSgDoWhileStmt(firstInstruction->getOperator());
+
+            cout << "do while loop" << endl;
+        }
+        else if (firstInstruction->getOperator()->variant() == LOOP_NODE) 
+        {
+            cout << "not known loop" << endl;
+        }
+        else
+        {
+            cout << "goto loop" << endl;
+        }
+
+        cout << "loop start line " << tmpLoop->lineNum << endl;
+        cout << "after loop line " << tmpLoop->lineNumAfterLoop << endl << endl;
+
+        loops.push_back(tmpLoop);
+    }
+}

src/LoopAnalyzer/implicit_loops_analyzer.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include <map>
+#include "../CFGraph/CFGraph.h"
+#include "../GraphCall/graph_calls.h"
+
+void findImplicitLoops(const std::vector<SAPFOR::BasicBlock*>& fullIR_SSA, const std::vector<LoopGraph*> loopGraph);

src/LoopAnalyzer/loop_analyzer.cpp

@@ -48,7 +48,7 @@ extern int passDone;
 #include "../VisualizerCalls/get_information.h"
 #include "../VisualizerCalls/SendMessage.h"
 
-#include "LoopEndDoConverter/enddo_loop_converter.h"
+#include "../Transformations/LoopEndDoConverter/enddo_loop_converter.h"
 
 #include "../DirectiveProcessing/remote_access.h"
 #include "../DirectiveProcessing/directive_omp_parser.h"
@@ -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());
+            getCoefsOfSubscript(coefs, subscr, parentLoops[position]->doName());
-        __spf_print(PRINT_ARRAY_ARCS, " <%d %d> ", coeffs.first, coeffs.second);
+        __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[0] = coefs.first;
-        valueSubs[1] = coeffs.second;
+        valueSubs[1] = coefs.second;
 #ifdef __SPF
         addToCollection(__LINE__, __FILE__, valueSubs, 2);
 #endif
-        const vector<int*> &coeffs = getAttributes<SgExpression*, int*>(subscr, set<int>{ INT_VAL });
+        const vector<int*> &coefs = getAttributes<SgExpression*, int*>(subscr, set<int>{ INT_VAL });
-        if (coeffs.size() == 0)
+        if (coefs.size() == 0)
         {
             subscr->addAttribute(INT_VAL, valueSubs, sizeof(int*));
             if (position != -1 && allPositions.size() == 1 && position < parentLoops.size())

src/ParallelizationRegions/resolve_par_reg_conflicts.cpp

@@ -18,7 +18,7 @@
 #include "../DirectiveProcessing/insert_directive.h"
 #include "SgUtils.h"
 #include "expr_transform.h"
-#include "FunctionPurifying/function_purifying.h"
+#include "../Transformations/FunctionPurifying/function_purifying.h"
 
 using std::map;
 using std::pair;

src/Predictor/PredictScheme.cpp

@@ -22,7 +22,7 @@
 #include "graph_loops_func.h"
 #include "expr_transform.h"
 #include "../LoopAnalyzer/loop_analyzer.h"
-#include "CFGraph/CFGraph.h"
+#include "../CFGraph/CFGraph.h"
 
 #include "json.hpp"
 
@@ -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);
+                getCoefsOfSubscript(coefs[z], exp, srcSymbs[z].second);
-                if (coeffs[z].first == 0)
+                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)
+        if (coefs[z].second)
-            align["rules"].push_back({ z, coeffs[z].first });
+            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_analyzer.cpp

@@ -12,7 +12,7 @@
 #include "graph_calls.h"
 #include "private_analyzer.h"
 #include "dvm.h"
-#include "CFGraph/CFGraph.h"
+#include "../CFGraph/CFGraph.h"
 
 using std::vector;
 

src/PrivateAnalyzer/private_arrays_search.cpp

@@ -11,40 +11,11 @@
 #include "region.h"
 #include "SgUtils.h"
 #include "graph_loops.h"
-#include "CFGraph/CFGraph.h"
+#include "../CFGraph/CFGraph.h"
-#include "utils.h"
 
 using namespace std;
 
-static void RemoveEmptyPoints(ArrayAccessingIndexes& container)
+void Collapse(Region* region)
-{
-    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())
         return;
@@ -66,13 +37,13 @@ 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 +74,6 @@ static void SolveDataFlowIteratively(Region* DFG)
                     newIn.clear();
                     continue;
                 }
-
                 for (const auto& [arrayName, accessSet] : prevBlock->array_out)
                 {
                     if (newIn.find(arrayName) != newIn.end())
@@ -116,7 +86,6 @@ 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())
@@ -152,83 +121,21 @@ static void SolveDataFlow(Region* DFG)
     Collapse(DFG);
 }
 
-static void AddPrivateArraysToLoop(LoopGraph* loop, const ArrayAccessingIndexes& privates, set<SgStatement*>& insertedPrivates)
+map<LoopGraph*, ArrayAccessingIndexes>  findPrivateArrays(map<string, vector<LoopGraph*>> &loopGraph, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR)
-{
-    SgStatement* spfStat = new SgStatement(SPF_ANALYSIS_DIR);
-    spfStat->setlineNumber(loop->loop->lineNumber());
-    spfStat->setFileName(loop->loop->fileName());
-    SgExpression* toAdd = new SgExpression(EXPR_LIST, new SgExpression(ACC_PRIVATE_OP), NULL, NULL);
-    set<SgSymbol*> arraysToInsert;
-    for (const auto& [_, accessingSet] : privates)
-    {
-        for (const auto& arrayElement : accessingSet.GetElements())
-        {
-            if (arrayElement.empty())
-                continue;
-            arraysToInsert.insert(arrayElement[0].array->symbol());
-        }
-    }
-
-    spfStat->setExpression(0, *toAdd);
-    toAdd = toAdd->lhs();
-    bool first = true;
-    for (auto& elem : arraysToInsert)
-    {
-        if (first)
-        {
-            toAdd->setLhs(new SgExpression(EXPR_LIST));
-            toAdd = toAdd->lhs();
-            first = false;
-        }
-        else
-        {
-            toAdd->setRhs(new SgExpression(EXPR_LIST));
-            toAdd = toAdd->rhs();
-        }
-        toAdd->setLhs(new SgVarRefExp(elem));
-    }
-    
-    if (arraysToInsert.size() == 0)
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-    loop->loop->insertStmtBefore(*spfStat, *loop->loop->controlParent());
-    insertedPrivates.insert(spfStat);
-}
-
-void FindPrivateArrays(map<string, vector<LoopGraph*>> &loopGraph, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR, set<SgStatement*> &insertedPrivates)
 {  
     map<LoopGraph*, ArrayAccessingIndexes> result;
-    for (const auto& [fileName, loops] : loopGraph)
+    for (const auto& [loopName, loops] : loopGraph)
     {
-        SgFile::switchToFile(fileName);
         for (const auto& loop : loops)
         {
-            if (!loop->isFor())
-                continue;
-            SgStatement* search_func = loop->loop->GetOriginal();
-
-            while (search_func && (!isSgProgHedrStmt(search_func)))
-                search_func = search_func->controlParent();
-
             for (const auto& [funcInfo, blocks]: FullIR)
             {   
-                if (funcInfo->fileName == fileName && funcInfo->funcPointer->GetOriginal() == search_func)
+                Region* loopRegion = new Region(loop, blocks);
-                {
+                SolveDataFlow(loopRegion);
-                    Region* loopRegion = new Region(loop, blocks);
+                result[loop] = loopRegion->array_priv;
-                    if (loopRegion->getBasickBlocks().size() <= 1)
+                delete(loopRegion);
-                    {
-                        delete(loopRegion);
-                        continue;
-                    }
-                    SolveDataFlow(loopRegion);
-                    RemoveEmptyPoints(loopRegion->array_priv);
-                    result[loop] = loopRegion->array_priv;
-                    delete(loopRegion);
-                }
             }
-
-            if (result.find(loop) != result.end() && !result[loop].empty())
-                AddPrivateArraysToLoop(loop, result[loop], insertedPrivates);
         }
     }
+    return result;
 }

src/PrivateAnalyzer/private_arrays_search.h

@@ -2,12 +2,13 @@
 
 #include <vector>
 #include <map>
-#include <set>
 #include <unordered_set>
 
 #include "range_structures.h"
+#include "region.h"
 #include "graph_loops.h"
-#include "CFGraph/CFGraph.h"
+#include "../CFGraph/CFGraph.h"
 
-void FindPrivateArrays(std::map<std::string, std::vector<LoopGraph*>>& loopGraph, std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR, std::set<SgStatement*>& insertedPrivates);
+void Collapse(Region* region);
+std::map<LoopGraph*, ArrayAccessingIndexes> findPrivateArrays(std::map<std::string, std::vector<LoopGraph*>>& loopGraph, std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR);
 std::pair<SAPFOR::BasicBlock*, std::unordered_set<SAPFOR::BasicBlock*>> GetBasicBlocksForLoop(const LoopGraph* loop, const std::vector<SAPFOR::BasicBlock*> blocks);

src/PrivateAnalyzer/range_structures.cpp

@@ -47,7 +47,7 @@ static ArrayDimension* DimensionIntersection(const ArrayDimension& dim1, const A
     
     uint64_t start3 = dim1.start + x0 * dim1.step;
     uint64_t step3 = c * dim1.step;
-    ArrayDimension* result = new(ArrayDimension){ start3, step3, tMax + 1 , dim1.array};
+    ArrayDimension* result = new(ArrayDimension){ start3, step3, tMax + 1 };
     return result;
 }
 
@@ -61,16 +61,21 @@ static vector<ArrayDimension> DimensionDifference(const ArrayDimension& dim1, co
     vector<ArrayDimension> result;
     /* add the part before intersection */
     if (dim1.start < intersection->start)    
-        result.push_back({ dim1.start, dim1.step, (intersection->start - dim1.start) / dim1.step, dim1.array});
+        result.push_back({ dim1.start, dim1.step, (intersection->start - dim1.start) / dim1.step });
     
     /* add the parts between intersection steps */
-    if (intersection->step > dim1.step)
+    uint64_t start = (intersection->start - dim1.start) / dim1.step;
+    uint64_t interValue = intersection->start;
+    for (int64_t i = start; dim1.start + i * dim1.step <= intersection->start + intersection->step * (intersection->tripCount - 1); i++)
     {
-        uint64_t start = (intersection->start - dim1.start) / dim1.step;
+        uint64_t centerValue = dim1.start + i * dim1.step;
-        uint64_t interValue = intersection->start;
+        if (centerValue == interValue)
-        for (int64_t i = start; interValue <= intersection->start + intersection->step * (intersection->tripCount - 1); i++)
         {
-            result.push_back({interValue + dim1.step, dim1.step, intersection->step / dim1.step, dim1.array});
+            if (i - start > 1)
+            {
+                result.push_back({ dim1.start + (start + 1) * dim1.step, dim1.step, i - start - 1 });
+                start = i;
+            }
             interValue += intersection->step;
         }
     }
@@ -80,7 +85,7 @@ static vector<ArrayDimension> DimensionDifference(const ArrayDimension& dim1, co
         /* first value after intersection */
         uint64_t right_start = intersection->start + intersection->step * (intersection->tripCount - 1) + dim1.step;
         uint64_t tripCount = (dim1.start + dim1.step * dim1.tripCount - right_start) / dim1.step;
-        result.push_back({ right_start, dim1.step, tripCount, dim1.array });
+        result.push_back({ right_start, dim1.step, tripCount });
     }
     delete(intersection);
     return result;
@@ -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/range_structures.h

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

src/PrivateAnalyzer/region.cpp

@@ -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)
@@ -146,15 +127,29 @@ static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAcces
             vector<ArrayDimension> accessPoint(n);
 
             auto* ref = isSgArrayRefExp(instruction->getInstruction()->getExpression());
-            int fillCount = 0;
+            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);
+                }
 
-            while (!index_vars.empty() && !refPos.empty())
+            }
+
+            if(coefsForDims.empty())
+                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
+
+            while (!index_vars.empty())
             {
                 auto var = index_vars.back();
                 int currentVarPos = refPos.back();
+                pair<int, int> currentCoefs = coefsForDims.back();
                 ArrayDimension current_dim;
                 if (var->getType() == SAPFOR::CFG_ARG_TYPE::CONST)
-                    current_dim = { stoul(var->getValue()), 1, 1, ref};
+                    current_dim = { stoul(var->getValue()), 1, 1 };
                 else
                 {
                     string name, full_name = var->getValue();
@@ -180,28 +175,21 @@ static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAcces
                             return -1;
                     }
 
-                    uint64_t start = currentLoop->startVal;
+                    uint64_t start = currentLoop->startVal * currentCoefs.first + currentCoefs.second;
-                    uint64_t step = currentLoop->stepVal;
+                    uint64_t step = currentCoefs.first;
-                    uint64_t iters = currentLoop->calculatedCountOfIters;
+                    current_dim = { start, step, (uint64_t)currentLoop->calculatedCountOfIters };
-                    current_dim = { start, step, iters, ref };
                 }
 
-                if (current_dim.start != 0 && current_dim.step != 0 && current_dim.tripCount != 0)
+                accessPoint[n - index_vars.size()] = current_dim;
-                {
-                    accessPoint[n - index_vars.size()] = current_dim;
-                    fillCount++;
-                }
                 index_vars.pop_back();
                 refPos.pop_back();
+                coefsForDims.pop_back();
             }
 
-            if (fillCount == accessPoint.size())
+            if (operation == SAPFOR::CFG_OP::STORE)            
-            {
+                def[array_name].Insert(accessPoint);
-                if (operation == SAPFOR::CFG_OP::STORE)
+            else
-                    def[array_name].Insert(accessPoint);
+                use[array_name].Insert(accessPoint);
-                else
-                    use[array_name].Insert(accessPoint);
-            }
         }
     }
     return 0;
@@ -239,11 +227,8 @@ 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 +247,5 @@ 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/PrivateAnalyzer/region.h

@@ -6,7 +6,7 @@
 #include <string>
 
 #include "graph_loops.h"
-#include "CFGraph/CFGraph.h"
+#include "../CFGraph/CFGraph.h"
 
 class Region : public SAPFOR::BasicBlock {
 public:

src/ProjectManipulation/ConvertFiles.cpp

@@ -403,7 +403,7 @@ static int convertFile(int argc, char* argv[], const set<string>& filesInProj, c
             fprintf(stderr, "<<<<<  Unparsing   %s  >>>>>\n", fout_name);
 
         if (mod_gpu) /*ACC*/
-            UnparseTo_CufAndCu_Files(file, fout_cuf, fout_C_cu, fout_info, fout_name);
+            UnparseTo_CufAndCu_Files(file, fout_cuf, fout_C_cu, fout_info);
 
         const string fileN = file->filename();
         set<SgStatement*> toRemove;

src/Sapfor.cpp

@@ -40,13 +40,13 @@
 #include "ProjectManipulation/ConvertFiles.h"
 
 #include "LoopAnalyzer/loop_analyzer.h"
+#include "LoopAnalyzer/implicit_loops_analyzer.h"
 
 #include "GraphCall/graph_calls_func.h"
 #include "GraphLoop/graph_loops_func.h"
 #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"
@@ -96,6 +96,7 @@
 #include "CFGraph/IR.h"
 #include "CFGraph/RD_subst.h"
 #include "CFGraph/CFGraph.h"
+#include "CFGraph/IR_SSAForm.h"
 
 #include "CFGraph/live_variable_analysis.h"
 #include "CFGraph/private_variables_analysis.h"
@@ -280,8 +281,7 @@ static string unparseProjectIfNeed(SgFile* file, const int curr_regime, const bo
             for (SgStatement* st = file->firstStatement(); st; st = st->lexNext())
                 if (isSPF_stat(st)) // except sapfor parallel regions and if attributes dont move
                     if (st->variant() != SPF_PARALLEL_REG_DIR && st->variant() != SPF_END_PARALLEL_REG_DIR)
-                        if (insertedPrivates.find(st) == insertedPrivates.end())
+                        toDel.push_back(st);
-                            toDel.push_back(st);
 
             for (auto& elem : toDel)
                 elem->deleteStmt();
@@ -1021,6 +1021,19 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
                 if(func->funcPointer->variant() != ENTRY_STAT)
                     countOfTransform += removeDeadCode(func->funcPointer, allFuncInfo, commonBlocks);
         }
+        else if (curr_regime == BUILD_IR_SSA_FORM)
+        {
+            auto irFound = getIRByFilename(fullIR, file_name);
+            buildFuncIRSSAForm(irFound, fullIR[irFound], fullIR_SSA);
+        }
+        else if (curr_regime == FIND_IMPLICIT_LOOPS)
+        {
+            auto itFound = loopGraph.find(file_name);
+            auto irFound = getIRByFilename(fullIR_SSA, file_name);
+            findImplicitLoops(fullIR_SSA[irFound], itFound->second);
+        }         
+        else if (curr_regime == FIND_PRIVATE_ARRAYS)
+            findPrivateArrays(loopGraph, fullIR);
         else if (curr_regime == TEST_PASS)
         {
         //test pass
@@ -1281,6 +1294,7 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
         detectCopies(allFuncInfo);
         fillInterfaceBlock(allFuncInfo);
         intentInsertToInterfaces(allFuncInfo);
+        createInterfacesForAssumedSize(allFuncInfo);
 
         //this call is only for testing
         //setPureStatus(allFuncInfo);
@@ -1914,13 +1928,6 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
         calculateStatsForPredictor(allFuncInfo, gCovInfo);
         parseDvmDirForPredictor(declaredArrays, commonBlocks, allFuncInfo, gCovInfo);
     }
-    else if (curr_regime == TRANSFORM_ASSUMED_SIZE_PARAMETERS)
-        transformAssumedSizeParameters(allFuncInfo);
-    else if (curr_regime == FIND_PRIVATE_ARRAYS_ANALYSIS)
-        FindPrivateArrays(loopGraph, fullIR, insertedPrivates);
-
-    else if (curr_regime == ARRAY_PROPAGATION)
-        ArrayConstantPropagation(project);
 
     const float elapsed = duration_cast<milliseconds>(high_resolution_clock::now() - timeForPass).count() / 1000.;
     const float elapsedGlobal = duration_cast<milliseconds>(high_resolution_clock::now() - globalTime).count() / 1000.;
@@ -2156,8 +2163,6 @@ void runPass(const int curr_regime, const char *proj_name, const char *folderNam
         runAnalysis(*project, REMOVE_COPIES, false);
         runAnalysis(*project, SWAP_LOOPS, false);
 
-        runPass(TRANSFORM_ASSUMED_SIZE_PARAMETERS, proj_name, folderName);
-
         if (folderName || consoleMode)
             runAnalysis(*project, UNPARSE_FILE, true, additionalName.c_str(), folderName);
     }
@@ -2378,7 +2383,6 @@ void runPass(const int curr_regime, const char *proj_name, const char *folderNam
     case SUBST_EXPR_RD_AND_UNPARSE:
     case SUBST_EXPR_AND_UNPARSE:
     case REMOVE_DEAD_CODE_AND_UNPARSE:
-    case FIND_PRIVATE_ARRAYS:
         if (folderName)
             runAnalysis(*project, UNPARSE_FILE, true, "", folderName);
         else
@@ -2640,11 +2644,8 @@ int main(int argc, char **argv)
             }
         }
 
-        if (curr_regime == INSERT_PARALLEL_DIRS_NODIST || curr_regime == FIND_PRIVATE_ARRAYS)
+        if (curr_regime == INSERT_PARALLEL_DIRS_NODIST)
-        {
             ignoreArrayDistributeState = true;
-            sharedMemoryParallelization = 1;
-        }
 
         if (runAsClient)
         {

src/Sapfor.h

@@ -182,13 +182,11 @@ enum passes {
 
     SET_IMPLICIT_NONE,
     RENAME_INLCUDES,
+    FIND_IMPLICIT_LOOPS,
+    BUILD_IR_SSA_FORM,
 
-    FIND_PRIVATE_ARRAYS_ANALYSIS,
     FIND_PRIVATE_ARRAYS,
 
-    TRANSFORM_ASSUMED_SIZE_PARAMETERS,
-    ARRAY_PROPAGATION,
-
     TEST_PASS,
     EMPTY_PASS
 };
@@ -373,12 +371,10 @@ static void setPassValues()
     passNames[SET_IMPLICIT_NONE] = "SET_IMPLICIT_NONE";
     passNames[RENAME_INLCUDES] = "RENAME_INLCUDES";
     passNames[INSERT_NO_DISTR_FLAGS_FROM_GUI] = "INSERT_NO_DISTR_FLAGS_FROM_GUI";
-    passNames[FIND_PRIVATE_ARRAYS_ANALYSIS] = "FIND_PRIVATE_ARRAYS_ANALYSIS";
+    passNames[FIND_IMPLICIT_LOOPS] = "FIND_IMPLICIT_LOOPS";
+    passNames[BUILD_IR_SSA_FORM] = "BUILD_IR_SSA_FORM";
     passNames[FIND_PRIVATE_ARRAYS] = "FIND_PRIVATE_ARRAYS";
 
-    passNames[TRANSFORM_ASSUMED_SIZE_PARAMETERS] = "TRANSFORM_ASSUMED_SIZE_PARAMETERS";
-    passNames[ARRAY_PROPAGATION] = "ARRAY_PROPAGATION";
-
     passNames[TEST_PASS] = "TEST_PASS";
 }
 

src/SapforData.h

@@ -175,14 +175,13 @@ std::set<std::tuple<std::string, int, std::string>> parametersOfProject; // [fil
 //for GET_MIN_MAX_BLOCK_DIST
 std::pair<int, int> min_max_block = std::make_pair(-1, -1);
 //
-
-//for FIND_PRIVATE_ARRAYS
-std::set<SgStatement*> insertedPrivates;
-//
-
 const char* passNames[EMPTY_PASS + 1];
 const char* optionNames[EMPTY_OPTION + 1];
 bool passNamesWasInit = false;
 
 std::map<PTR_BFND, std::pair<std::string, int>> sgStats;
 std::map<PTR_LLND, std::pair<std::string, int>> sgExprs;
+
+//for FIND_IMPLICIT_LOOPS and BUILD_IR_SSA_FORM
+map<FuncInfo*, vector<SAPFOR::BasicBlock*>> fullIR_SSA;
+//

src/Transformations/DeadCodeRemoving/dead_code.cpp

@@ -6,7 +6,7 @@
 #include <set>
 #include <algorithm>
 
-#include "../CFGraph/CFGraph.h"
+#include "../../CFGraph/CFGraph.h"
 
 using std::map;
 using std::string;

src/Transformations/DeadCodeRemoving/dead_code.h

@@ -4,10 +4,10 @@
 #include<vector>
 
 #include "SgUtils.h"
-#include "CFGraph/CFGraph.h"
+#include "../CFGraph/CFGraph.h"
-#include "CFGraph/live_variable_analysis.h"
+#include "../CFGraph/live_variable_analysis.h"
-#include "CFGraph/DataFlow/data_flow.h"
+#include "../CFGraph/DataFlow/data_flow.h"
-#include "CFGraph/DataFlow/backward_data_flow.h"
+#include "../CFGraph/DataFlow/backward_data_flow.h"
 
 int removeDeadCode(SgStatement* func, 
                    const std::map<std::string, std::vector<FuncInfo*>>&allFuncs,

src/Transformations/ExpressionSubstitution/expr_transform.cpp

@@ -440,18 +440,15 @@ bool replaceConstantRec(SgExpression *&exp)
     if (exp->variant() == CONST_REF)
     {
         SgExpression *ret = ReplaceParameter_(exp);
-
         int sign = 1;
         SgExpression* toCalc = ret;
-        if (toCalc->variant() == UNARY_ADD_OP)
+        if (ret->variant() == UNARY_ADD_OP)
-            toCalc = toCalc->lhs();
+            toCalc = ret->lhs();
-
+        if (ret->variant() == MINUS_OP)
-        if (toCalc->variant() == MINUS_OP)
         {
-            toCalc = toCalc->lhs();
+            toCalc = ret->lhs();
             sign = -1;
         }
-
         if (toCalc->isInteger())
         {
             exp = new SgValueExp(sign * toCalc->valueInteger());

src/Transformations/FunctionPurifying/function_purifying.cpp

@@ -66,7 +66,7 @@ void insertIntrinsicStat(const vector<FuncInfo*>& allFuncInfo)
 
             void* ptr = call.pointerDetailCallsFrom.first;
             int var = call.pointerDetailCallsFrom.second;
-
+            
             SgSymbol* s = NULL;
             if (var == PROC_STAT)
                 s = ((SgStatement*)ptr)->symbol();
@@ -103,7 +103,7 @@ void insertIntrinsicStat(const vector<FuncInfo*>& allFuncInfo)
             if (line <= 0)
                 printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
-            intr->setlineNumber(getNextNegativeLineNumber());
+            intr->setlineNumber(line);
             st->insertStmtBefore(*intr, *func->funcPointer);
         }
         else
@@ -126,7 +126,7 @@ bool checkOutCalls(const set<string>& outCalls)
     return false;
 }
 
-void createInterfacesForOutCalls(FuncInfo* func)
+void createInterfacesForOutCalls(FuncInfo* func) 
 {
     if (func->isPure && !func->isMain)
     {
@@ -136,41 +136,33 @@ void createInterfacesForOutCalls(FuncInfo* func)
     }
 }
 
-static bool changeIfHasStarRange(SgExpression* arrayDecl, SgStatement* scope, vector<SgSymbol*>& parNames)
+static bool changeIfHasStarRange(SgExpression* arrayDecl, bool doReplace = false)
 {
     SgExpression* list = arrayDecl->lhs();
-    string varN = arrayDecl->symbol()->identifier() + string("_sz");
+    bool has = doReplace;
-    bool has = false;
+    
-
-    SgExpression* allDimsBefore = NULL;
     while (list)
     {
         const int var = list->lhs()->variant();
         if (var == STAR_RANGE)
-        {
             has = true;
-
-            parNames.push_back(new SgSymbol(VARIABLE_NAME, varN.c_str(), SgTypeInt(), scope));
-            SgExpression* par = allDimsBefore ? &(*new SgVarRefExp(parNames.back()) / *allDimsBefore) : (new SgVarRefExp(parNames.back()));
-
-            list->setLhs(par);
-            break;
-        }
-        else
-        {
-            if (allDimsBefore == NULL)
-                allDimsBefore = list->lhs();
-            else
-                allDimsBefore = &(*allDimsBefore * *list->lhs()->copyPtr());
-        }
-
         list = list->rhs();
     }
 
+    if (has)
+    {
+        list = arrayDecl->lhs();
+        while (list)
+        {
+            list->setLhs(new SgExpression(DDOT));
+            list = list->rhs();
+        }
+    }
+
     return has;
 }
 
-/*static void removeExternalStat(SgStatement* func, const set<string>& addedInterfaceFor)
+static void removeExternalStat(SgStatement* func, const set<string>& addedInterfaceFor)
 {
     vector<SgStatement*> toRem;
     for (auto st = func; st != func->lastNodeOfStmt(); st = st->lexNext())
@@ -205,7 +197,7 @@ static bool changeIfHasStarRange(SgExpression* arrayDecl, SgStatement* scope, ve
 
     for (auto& rem : toRem)
         rem->deleteStmt();
-}*/
+}
 
 template<typename T>
 static vector<FuncInfo*> sortByName(const T &funcs)
@@ -218,25 +210,9 @@ static vector<FuncInfo*> sortByName(const T &funcs)
     return funcList;
 }
 
-static bool hasDvmParallel(SgStatement *func)
+void createInterfacesForAssumedSize(const map<string, vector<FuncInfo*>>& allFuncInfo)
 {
-    for (auto st = func; st != func->lastNodeOfStmt(); st = st->lexNext())
+    set<FuncInfo*> hasAssumedSizeArrays;
-    {
-        const int var = st->variant();
-        if (var == DVM_PARALLEL_ON_DIR || var == ACC_REGION_DIR ||
-            var == ACC_ACTUAL_DIR || var == ACC_GET_ACTUAL_DIR)
-            return true;
-
-        if (st->variant() == CONTAINS_STMT)
-            break;
-    }
-
-    return false;
-}
-
-void transformAssumedSizeParameters(const map<string, vector<FuncInfo*>>& allFuncInfo)
-{
-    map<string, vector<int>> assumedSizeArraysByFunc;
 
     for (auto& funcByFile : allFuncInfo)
     {
@@ -244,17 +220,11 @@ void transformAssumedSizeParameters(const map<string, vector<FuncInfo*>>& allFun
             printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
         for (auto& func : funcByFile.second)
-        {
+        {            
             SgProgHedrStmt* prog = isSgProgHedrStmt(func->funcPointer->GetOriginal());
             if (prog == NULL)
                 continue;
 
-            if (!hasDvmParallel(prog))
-                continue;
-
-            vector<SgSymbol*> parNames;
-            SgStatement* scope = prog->getScopeForDeclare();
-
             vector<SgExpression*> arrayRefs;
             bool hasRefs = false;
             for (int z = 0; z < func->funcParams.countOfPars; ++z)
@@ -274,8 +244,13 @@ void transformAssumedSizeParameters(const map<string, vector<FuncInfo*>>& allFun
                         {
                             if (list->lhs() && list->lhs()->symbol()->identifier() == name)
                             {
-                                if (changeIfHasStarRange(list->lhs(), scope, parNames))
+                                if (changeIfHasStarRange(list->lhs()))
-                                    assumedSizeArraysByFunc[func->funcName].push_back(z);
+                                {
+                                    hasRefs = true;
+                                    hasAssumedSizeArrays.insert(func);
+                                }
+                                else
+                                    arrayRefs.push_back(list->lhs());
                                 break;
                             }
                             list = list->rhs();
@@ -284,20 +259,13 @@ void transformAssumedSizeParameters(const map<string, vector<FuncInfo*>>& allFun
                 }
             }
 
-            if (parNames.size())
+            if (hasRefs)
-            {
+                for (auto& ref : arrayRefs)
-                SgProcHedrStmt* proc = isSgProcHedrStmt(func->funcPointer->GetOriginal());
+                    changeIfHasStarRange(ref, true);
-                checkNull(proc, convertFileName(__FILE__).c_str(), __LINE__);
-
-                //makeDeclaration(parNames, scope);
-
-                for (auto& newPar : parNames)
-                    proc->AddArg(*new SgVarRefExp(newPar));
-            }
         }
     }
 
-    if (assumedSizeArraysByFunc.size() == 0)
+    if (hasAssumedSizeArrays.size() == 0)
         return;
 
     for (auto& funcByFile : allFuncInfo)
@@ -305,61 +273,27 @@ void transformAssumedSizeParameters(const map<string, vector<FuncInfo*>>& allFun
         if (SgFile::switchToFile(funcByFile.first) == -1)
             printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
-        SgSymbol* funcSize = new SgSymbol(FUNCTION_NAME, "size");
-
         for (auto& func : sortByName(funcByFile.second))
         {
             SgProgHedrStmt* prog = isSgProgHedrStmt(func->funcPointer->GetOriginal());
             if (prog == NULL)
                 continue;
 
-            for (auto& detailedCall : func->callsFromDetailed)
+            set<string> addedInterfaceFor;
+            for (auto& elem : sortByName(func->callsFromV))
             {
-                auto it = assumedSizeArraysByFunc.find(detailedCall.detailCallsFrom.first);
+                auto it = hasAssumedSizeArrays.find(elem);
-                if (it != assumedSizeArraysByFunc.end())
+                if (it != hasAssumedSizeArrays.end())
                 {
-                    auto pointer = detailedCall.pointerDetailCallsFrom;
+                    auto callFrom = *it;
-
+                    DvmhRegionInserter::createInterfaceBlockForOutCall(func, callFrom);
-                    SgExpression* list = NULL;
+                    addedInterfaceFor.insert(callFrom->funcName);
-                    if (pointer.second == FUNC_CALL)
-                    {
-                        SgExpression* p = (SgExpression*)pointer.first;
-                        list = p->lhs();
-                    }
-                    else
-                    {
-                        SgStatement* p = (SgStatement*)pointer.first;
-                        list = p->expr(0);
-                    }
-
-                    SgExpression* last = list;
-                    vector<SgExpression*> pars;
-                    while (list)
-                    {
-                        last = list;
-                        pars.push_back(list->lhs());
-                        list = list->rhs();
-                    }
-
-                    for (int z = 0; z < it->second.size(); ++z)
-                    {
-                        int parNum = it->second[z];
-                        if (parNum >= pars.size())
-                            printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-                        //TODO: need to do it better
-                        SgExpression* parArray = pars[parNum]->copyPtr();
-                        parArray->setLhs(NULL);
-                        parArray->setRhs(NULL);
-
-                        SgFunctionCallExp* call = new SgFunctionCallExp(*funcSize, *parArray);
-
-                        last->setRhs(new SgExpression(EXPR_LIST, call));
-                        last = last->rhs();
-                    }
                 }
             }
-        }
+
+            if (addedInterfaceFor.size())
+                removeExternalStat(prog, addedInterfaceFor);
+        }       
     }
 }
 
@@ -379,7 +313,7 @@ static void setPureStatus(FuncInfo* func)
         bool hasIO = func->linesOfIO.size() || func->linesOfStop.size();
 
         if (!hasPure && !hasIO && ((isFunc == false) || (isFunc && hasOut == false)))
-        {
+        {            
             header->setExpression(2, new SgExpression(PURE_OP));
             header->symbol()->setAttribute(header->symbol()->attributes() | PURE_BIT);
         }
@@ -525,7 +459,7 @@ static void insertIntents(set<string>& identificators, SgStatement* header, cons
     if (args.size())
     {
         SgIntentStmt* intent = new SgIntentStmt(*makeExprList(args), *attr);
-        intent->setlineNumber(getNextNegativeLineNumber());
+        intent->setlineNumber(lastDecl->lineNumber());
 
         lastDecl->insertStmtAfter(*intent, (header == lastDecl) ? *header : *lastDecl->controlParent());
     }
@@ -593,7 +527,7 @@ static void intentInsert(const FuncInfo* func, SgStatement* headerSt)
             OutIdentificators.insert(ident);
     }
 
-    //remove conflicted intents
+    //remove conflicted intents 
     for (auto& entry : func->entry)
     {
         for (int i = 0; i < entry->funcParams.countOfPars; i++)
@@ -624,11 +558,11 @@ static void intentInsert(const FuncInfo* func, SgStatement* headerSt)
     }
 
     insertIntents(InOutIdentificators, headerSt, parSym, INOUT_OP, INOUT_BIT);
-    insertIntents(InIdentificators, headerSt, parSym, IN_OP, IN_BIT);
+    insertIntents(InIdentificators, headerSt, parSym, IN_OP, IN_BIT);    
     insertIntents(OutIdentificators, headerSt, parSym, OUT_OP, OUT_BIT);
 }
 
-void intentInsert(const vector<FuncInfo*>& allFuncInfo)
+void intentInsert(const vector<FuncInfo*>& allFuncInfo) 
 {
     for (auto& func : allFuncInfo)
     {
@@ -697,7 +631,7 @@ static void collectForChange(set<FuncInfo*>& allForChange, FuncInfo* start)
             for (auto& call : elem->callsFromV)
                 if (allForChange.find(call) == allForChange.end())
                     newAdd.insert(call);
-
+        
         chagned = newAdd.size() != 0;
 
         allForChange.insert(newAdd.begin(), newAdd.end());
@@ -705,7 +639,7 @@ static void collectForChange(set<FuncInfo*>& allForChange, FuncInfo* start)
 }
 
 template<typename CallExp>
-static void transferVarToArg(const map<string, vector<int>>& commonVarsUsed, const map<string, CommonBlock*>& commonBlocks,
+static void transferVarToArg(const map<string, vector<int>>& commonVarsUsed, const map<string, CommonBlock*>& commonBlocks, 
                              const FuncInfo* curFunc, CallExp* callExp)
 {
     for (auto& common : commonVarsUsed)
@@ -789,7 +723,7 @@ static void transferCommons(set<FuncInfo*>& allForChange, map <FuncInfo*, map<st
             {
                 SgFunctionCallExp* callExp = (SgFunctionCallExp*)call.first;
                 if (callExp->funName()->identifier() == precFunc->funcName)
-                    transferVarToArg(commonVarsUsed, commonBlocks, curFunc, callExp);
+                    transferVarToArg(commonVarsUsed, commonBlocks, curFunc, callExp);                
             }
             else if (isSgProcHedrStmt(precFunc->funcPointer->GetOriginal()) && call.second == PROC_STAT)
             {
@@ -814,7 +748,7 @@ static void transferCommons(set<FuncInfo*>& allForChange, map <FuncInfo*, map<st
                 if (v == var)
                     done = true;
 
-            if (!done)
+            if (!done) 
             {
                 funcCommons[curFunc][common.first].push_back(var);
                 if (nextCommonVarsUsed.count(common.first) == 0)
@@ -832,7 +766,7 @@ static void transferCommons(set<FuncInfo*>& allForChange, map <FuncInfo*, map<st
     {
         bool uses = false;
         auto groupedVars = commonBlocks.find(common.first)->second->getGroupedVars();
-
+        
         if (curFunc->commonBlocks.count(common.first) > 0) //rename common vars in funcs
         {
             uses = true;
@@ -864,7 +798,7 @@ static void transferCommons(set<FuncInfo*>& allForChange, map <FuncInfo*, map<st
                     }
                 }
             }
-        }
+        }        
         else if (!allForChange.count(curFunc)) //add of commons to main
         {
             SgExprListExp* res = NULL;
@@ -1027,13 +961,13 @@ void commonTransfer(const map<string, vector<FuncInfo*>>& allFuncInfo, const map
 
             if (func->commonBlocks.size() > 0 && st->variant() != PROG_HEDR)
             {
-                for (SgStatement* start = st, *end = st->lastNodeOfStmt(); start != end;)
+                for (SgStatement* start = st, *end = st->lastNodeOfStmt(); start != end;) 
                 {
                     if (start->variant() == CONTAINS_STMT)
                         break;
 
                     SgStatement* next = start->lexNext();
-                    if (start->variant() == COMM_STAT && string(start->fileName()) == func->fileName)
+                    if (start->variant() == COMM_STAT && string(start->fileName()) == func->fileName) 
                     {
                         if (funcCommonDeclared.count(func) == 0)
                             funcCommonDeclared[func] = set<string>();
@@ -1064,11 +998,11 @@ void commonTransfer(const map<string, vector<FuncInfo*>>& allFuncInfo, const map
         if (st->variant() < 0 || st->variant() == PROG_HEDR || func->isInterface)
             continue;
 
-        if (func->commonBlocks.size() > 0)
+        if (func->commonBlocks.size() > 0) 
         {
             map<string, vector<int>> commonVarsUsed;
             set<string> usedVars;
-            for (SgStatement* start = st->lastDeclaration()->lexNext(), *end = st->lastNodeOfStmt(); start != end; start = start->lexNext())
+            for (SgStatement* start = st->lastDeclaration()->lexNext(), *end = st->lastNodeOfStmt(); start != end; start = start->lexNext()) 
             {
                 if (start->variant() == CONTAINS_STMT)
                     break;
@@ -1138,7 +1072,7 @@ static string changeData(const string& data, const map<string, string>& constSym
     return res;
 }
 
-static void transferSave(map<FuncInfo*, set<FuncInfo*>>& funcAddedVarsFuncs, vector <SgSymbol*>& varsToTransfer, vector <string>& dataToTransfer,
+static void transferSave(map<FuncInfo*, set<FuncInfo*>>& funcAddedVarsFuncs, vector <SgSymbol*>& varsToTransfer, vector <string>& dataToTransfer, 
                          FuncInfo* curFunc, FuncInfo* precFunc, FuncInfo* startFunc)
 {
     if (curFunc != precFunc)
@@ -1159,7 +1093,7 @@ static void transferSave(map<FuncInfo*, set<FuncInfo*>>& funcAddedVarsFuncs, vec
             else if (isSgProcHedrStmt(precFunc->funcPointer->GetOriginal()) && call.second == PROC_STAT)
             {
                 SgCallStmt* callSt = (SgCallStmt*)call.first;
-                if (callSt->name()->identifier() == precFunc->funcName)
+                if (callSt->name()->identifier() == precFunc->funcName)                
                     for (auto& var : varsToTransfer)
                         callSt->addArg(*new SgVarRefExp(*var));
             }
@@ -1185,7 +1119,7 @@ static void transferSave(map<FuncInfo*, set<FuncInfo*>>& funcAddedVarsFuncs, vec
             {
                 ((SgProcHedrStmt*)(hedr))->AddArg(*new SgVarRefExp(var->copy()));
                 hedr->lexNext()->deleteStmt();
-                if (curFunc != startFunc || i!=0)
+                if (curFunc != startFunc || i!=0) 
                 {
                     vector<SgSymbol*> varVec = vector<SgSymbol*>();
                     varVec.push_back(var);
@@ -1225,7 +1159,7 @@ static void transferSave(map<FuncInfo*, set<FuncInfo*>>& funcAddedVarsFuncs, vec
 
         for (SgStatement* start = hedr->lexNext(), *end = hedr->lastNodeOfStmt(); start != end; start = start->lexNext())
         {
-            if ((isSgExecutableStatement(start) || isSgDeclarationStatement(start)) && !strcmp(hedr->fileName(), start->fileName()))
+            if ((isSgExecutableStatement(start) || isSgDeclarationStatement(start)) && !strcmp(hedr->fileName(), start->fileName())) 
             {
                 firstExDec = start;
                 break;
@@ -1264,7 +1198,7 @@ void saveTransfer(const map<string, vector<FuncInfo*>>& allFuncInfo)
     for (auto& byfile : allFuncInfo)
         for (auto& func : byfile.second)
             if (func->isMain)
-                start = func;
+                start = func;    
 
     collectForChange(allForChange, start);
     allForChange.erase(start);
@@ -1306,8 +1240,8 @@ void saveTransfer(const map<string, vector<FuncInfo*>>& allFuncInfo)
 
             if (s->scope() == st)
             {
-                if ( (s->attributes() & SAVE_BIT) ||
+                if ( (s->attributes() & SAVE_BIT) || 
-                     (s->attributes() & DATA_BIT) ||
+                     (s->attributes() & DATA_BIT) || 
                      allSave && s->variant() == VARIABLE_NAME && !params.count(s->identifier()))
                 {
                     if ((s->type() ? s->type()->variant() : (T_COMPLEX + 1)) > T_COMPLEX)
@@ -1358,21 +1292,21 @@ void saveTransfer(const map<string, vector<FuncInfo*>>& allFuncInfo)
 
                 SgExprListExp* attrsNoSave = new SgExprListExp();
                 bool needChange = false;
-                for (int i = 0; i < vst->numberOfAttributes(); i++)
+                for (int i = 0; i < vst->numberOfAttributes(); i++) 
                 {
                     if (vst->attribute(i)->variant() != SAVE_OP)
                     {
                         attrsNoSave->append(vst->attribute(i)->copy());
-                    }
+                    } 
                     else
-                        needChange = true;
+                        needChange = true;                    
                 }
 
-                if (needChange)
+                if (needChange) 
                 {
                     SgVarDeclStmt* newVst;
                     if (!attrsNoSave->length())
-                        newVst = new SgVarDeclStmt(vst->varList()->copy(), *attrsNoSave, vst->type()->copy());
+                        newVst = new SgVarDeclStmt(vst->varList()->copy(), *attrsNoSave, vst->type()->copy());                    
                     else
                         newVst = new SgVarDeclStmt(vst->varList()->copy(), vst->type()->copy());
 
@@ -1400,8 +1334,8 @@ void saveTransfer(const map<string, vector<FuncInfo*>>& allFuncInfo)
     }
 }*/
 
-static string makeName(SgSymbol* var, map<SgSymbol*, set< SgSymbol*>>& modVarsToAdd, const set<string>& useMod,
+static string makeName(SgSymbol* var, map<SgSymbol*, set< SgSymbol*>>& modVarsToAdd, const set<string>& useMod, 
-                       const map<string, vector<pair<SgSymbol*, SgSymbol*>>>& modByUse,
+                       const map<string, vector<pair<SgSymbol*, SgSymbol*>>>& modByUse, 
                        const map<string, vector<pair<SgSymbol*, SgSymbol*>>>& modByUseOnly)
 {
     string name = "", modName = OriginalSymbol(var)->scope()->symbol()->identifier();
@@ -1423,7 +1357,7 @@ static string makeName(SgSymbol* var, map<SgSymbol*, set< SgSymbol*>>& modVarsTo
         }
 
         if (!name.length())
-            name = varOrName;
+            name = varOrName;        
     }
     else if (mbuo)
     {
@@ -1454,37 +1388,6 @@ static string makeName(SgSymbol* var, map<SgSymbol*, set< SgSymbol*>>& modVarsTo
     return name;
 }
 
-static bool filterFromList(SgStatement* st, const set<string>& idents, bool exclude = false)
-{
-    bool empty = false;
-    SgExpression* list = st->expr(0);
-    vector<SgExpression*> newList;
-
-    int total = 0;
-    while (list)
-    {
-        if (exclude)
-        {
-            if (idents.find(list->lhs()->symbol()->identifier()) == idents.end())
-                newList.push_back(list->lhs());
-        }
-        else
-        {
-            if (idents.find(list->lhs()->symbol()->identifier()) != idents.end())
-                newList.push_back(list->lhs());
-        }
-        total++;
-        list = list->rhs();
-    }
-
-    if (newList.size() == 0)
-        empty = true;
-    else if (total != newList.size())
-        st->setExpression(0, makeExprList(newList));
-
-    return empty;
-}
-
 static string getInterfaceBlock(SgStatement* func, const FuncParam& pars)
 {
     string oldFile = current_file->filename();
@@ -1492,21 +1395,22 @@ static string getInterfaceBlock(SgStatement* func, const FuncParam& pars)
         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
     auto copy = duplicateProcedure(func, NULL, false, false, false, true);
-    const set<string> idents(pars.identificators.begin(), pars.identificators.end());
+
+    const set<string> ident(pars.identificators.begin(), pars.identificators.end());
 
     //remove all exec
     SgStatement* st = copy->lexNext();
     SgStatement* last = copy->lastNodeOfStmt();
     vector<SgStatement*> toExtract;
-
     while (st != last)
     {
         if (isDVM_stat(st) || isSPF_stat(st))
         {
             if (st->variant() != ACC_ROUTINE_DIR)
             {
-                toExtract.push_back(st);
+                SgStatement* next = st->lexNext();
-                st = st->lexNext();
+                st->extractStmt();
+                st = next;
             }
             else
                 st = st->lexNext();
@@ -1527,20 +1431,31 @@ static string getInterfaceBlock(SgStatement* func, const FuncParam& pars)
     st = copy->lexNext();
     while (st != last)
     {
-        const int var = st->variant();
+        if (st->variant() == VAR_DECL
-
+            || st->variant() == VAR_DECL_90
-        if (var == VAR_DECL || var == VAR_DECL_90 || var == DIM_STAT ||
+            || st->variant() == DIM_STAT
-            var == INTENT_STMT || var == EXTERN_STAT)
+            || st->variant() == INTENT_STMT)
         {
-            bool empty = filterFromList(st, idents);
+            SgExpression* list = st->expr(0);
-            if (empty)
+            vector<SgExpression*> newList;
+            while (list)
             {
+                if (ident.find(list->lhs()->symbol()->identifier()) != ident.end())
+                    newList.push_back(list->lhs());
+                list = list->rhs();
+            }
+
+            if (newList.size() == 0)
+            {
+                SgStatement* next = st->lexNext();
                 toExtract.push_back(st);
-                st = st->lexNext();
+                st = next;
                 continue;
             }
+            else
+                st->setExpression(0, makeExprList(newList));
         }
-        else if (!isDVM_stat(st) && !isSPF_stat(st))
+        else
             toExtract.push_back(st);
 
         if (st->variant() == CONTAINS_STMT)
@@ -1551,56 +1466,16 @@ static string getInterfaceBlock(SgStatement* func, const FuncParam& pars)
     for (auto& elem : toExtract)
         elem->extractStmt();
 
-    string codeString = copy->unparse();
+    string retVal = copy->unparse();
 
     if (SgFile::switchToFile(oldFile) == -1)
         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
-    //insert tabs
-    const string tab = "    ";
-    const int countEnds = std::count(codeString.begin(), codeString.end(), '\n');
-
-    string retVal = "  ";
-    retVal.reserve(retVal.size() + codeString.size() + countEnds * tab.size());
-
-    for (int z = 0, ends = 0; z < codeString.size(); ++z)
-    {
-        retVal += codeString[z];
-        if (codeString[z] == '\n')
-        {
-            ends++;
-            if (ends == countEnds)
-                continue;
-
-            int p = z + 1;
-            while (codeString[p] == ' ' && p < codeString.size())
-                ++p;
-
-            auto start = p;
-            auto end = string::npos;
-            auto sub = codeString.find("subroutine", p);
-            auto func = codeString.find("function", p);
-            auto end_sub = codeString.find("end subroutine", p);
-            auto end_func = codeString.find("end function", p);
-
-            if (sub != end && sub == start || end_sub != end && end_sub == start ||
-                func != end && func == start || end_func != end && end_func == start)
-            {
-                retVal += "  ";
-            }
-            else
-                retVal += tab;
-        }
-    }
-
     return retVal;
 }
 
-void insertInterface(SgStatement* func, const FuncInfo *callFrom)
+static void insertInterface(SgStatement* func, const string& iface)
 {
-    const string& iface = getInterfaceBlock(callFrom->funcPointer->GetOriginal(), callFrom->funcParams);
-    const string& fName = callFrom->funcName;
-
     string oldFile = current_file->filename();
     if (!func->switchToFile())
         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
@@ -1609,18 +1484,6 @@ void insertInterface(SgStatement* func, const FuncInfo *callFrom)
     SgStatement* last = func->lastNodeOfStmt();
     while (st != last)
     {
-        if (st->variant() == VAR_DECL || st->variant() == VAR_DECL_90)
-        {
-            bool empty = filterFromList(st, { fName }, true);
-            if (empty)
-            {
-                SgStatement* next = st->lexNext();
-                st->extractStmt();
-                st = next;
-                continue;
-            }
-        }
-
         if (isSgExecutableStatement(st))
             break;
         st = st->lexNext();
@@ -1628,7 +1491,7 @@ void insertInterface(SgStatement* func, const FuncInfo *callFrom)
     SgStatement* ifaceBlock = new SgStatement(INTERFACE_STMT);
     addControlEndToStmt(ifaceBlock->thebif);
 
-    ifaceBlock->setlineNumber(getNextNegativeLineNumber());
+    ifaceBlock->setlineNumber(st->lineNumber());
     ifaceBlock->setFileName(st->fileName());
     st->insertStmtBefore(*ifaceBlock, *st->controlParent());
     ifaceBlock->lastNodeOfStmt()->addComment(iface.c_str());
@@ -1644,12 +1507,12 @@ static void createInterfaceBlockForToCalls(FuncInfo* func)
         if (callTo->interfaceBlocks.find(func->funcName) == callTo->interfaceBlocks.end())
         {
             callTo->interfaceBlocks[func->funcName] = func;
-            insertInterface(callTo->funcPointer, func);
+            insertInterface(callTo->funcPointer, getInterfaceBlock(func->funcPointer->GetOriginal(), func->funcParams));
         }
     }
 }
 
-static void transferModule(map<FuncInfo*, set<SgSymbol*>>& funcAddedVarsMods, set<FuncInfo*>& allForChange,
+static void transferModule(map<FuncInfo*, set<SgSymbol*>>& funcAddedVarsMods, set<FuncInfo*>& allForChange, 
                            vector<SgSymbol*>& varsToTransfer, FuncInfo* curFunc, FuncInfo* precFunc, set<FuncInfo*>& funcForInterfaceAdd)
 {
     SgStatement* st = curFunc->funcPointer->GetOriginal();
@@ -1701,7 +1564,7 @@ static void transferModule(map<FuncInfo*, set<SgSymbol*>>& funcAddedVarsMods, se
             else if (isSgProcHedrStmt(precFunc->funcPointer->GetOriginal()) && call.second == PROC_STAT)
             {
                 SgCallStmt* callSt = (SgCallStmt*)call.first;
-                if (callSt->name()->identifier() == precFunc->funcName)
+                if (callSt->name()->identifier() == precFunc->funcName) 
                 {
                     for (auto& var : varsToTransfer)
                     {
@@ -1753,7 +1616,7 @@ static void transferModule(map<FuncInfo*, set<SgSymbol*>>& funcAddedVarsMods, se
             {
                 if (i == 0)
                     curFunc->funcParams.identificators.push_back(var->identifier());
-
+     
                 ((SgProcHedrStmt*)(hedr))->AddArg(*new SgVarRefExp(var->copy()));
                 hedr->lexNext()->deleteStmt();
                 vector<SgSymbol*> varVec = vector<SgSymbol*>();
@@ -1777,7 +1640,7 @@ static void transferModule(map<FuncInfo*, set<SgSymbol*>>& funcAddedVarsMods, se
                         }
                     }
 
-                    if (!isAuto)
+                    if (!isAuto) 
                     {
                         funcForInterfaceAdd.insert(curFunc);
                         SgAttributeExp* a = new SgAttributeExp(ALLOCATABLE_OP);
@@ -1797,8 +1660,8 @@ static void transferModule(map<FuncInfo*, set<SgSymbol*>>& funcAddedVarsMods, se
                 SgStatement* firstExDec = NULL;
                 for (SgStatement* start = hedr->lexNext(), *end = hedr->lastNodeOfStmt(); start != end; start = start->lexNext())
                 {
-                    if ((isSgExecutableStatement(start) || isSgDeclarationStatement(start)) &&
+                    if ((isSgExecutableStatement(start) || isSgDeclarationStatement(start)) && 
-                        !strcmp(hedr->fileName(), start->fileName()))
+                        !strcmp(hedr->fileName(), start->fileName())) 
                     {
                         firstExDec = start;
                         break;
@@ -1889,7 +1752,7 @@ void moduleTransfer(const map<string, vector<FuncInfo*>>& allFuncInfo)
                 break;
 
             SgStatement* next = start->lexNext();
-            if (start->variant() == USE_STMT)
+            if (start->variant() == USE_STMT) 
             {
                 SgExpression* onlyE = start->expr(0);
                 if (onlyE)
@@ -1915,7 +1778,7 @@ void moduleTransfer(const map<string, vector<FuncInfo*>>& allFuncInfo)
                     }
 
                     if (renameL)
-                        onlyE->setLhs(renameL);
+                        onlyE->setLhs(renameL);                    
                     else
                         start->deleteStmt();
                 }
@@ -1923,7 +1786,7 @@ void moduleTransfer(const map<string, vector<FuncInfo*>>& allFuncInfo)
             if (isSgExecutableStatement(start)|| isSgDeclarationStatement(start))
                 for (int i = 0; i < 3; i++)
                     fillUsedVars(usedVars, start->expr(i));
-
+            
           //  if (start->variant() == IMPL_DECL)
             //    start->deleteStmt();
             start = next;

src/Transformations/FunctionPurifying/function_purifying.h

@@ -6,14 +6,11 @@ bool checkOutCalls(const std::set<std::string>& outCalls);
 std::map<SgStatement*, std::set<std::string>> fillFromIntent(SgStatement* header);
 void intentInsert(const std::vector<FuncInfo*>& allFuncInfo);
 void intentInsertToInterfaces(const std::map<std::string, std::vector<FuncInfo*>>& allFuncInfo);
+void createInterfacesForAssumedSize(const std::map<std::string, std::vector<FuncInfo*>>& allFuncInfo);
 void createInterfacesForOutCalls(FuncInfo* func);
 void setPureStatus(const std::set<FuncInfo*>& funcInfo);
 void setPureStatus(const std::map<std::string, std::vector<FuncInfo*>>& allFuncInfo);
 
 void commonTransfer(const std::map<std::string, std::vector<FuncInfo*>>& allFuncInfo, const std::map<std::string, CommonBlock*>& commonBlocks);
 void saveTransfer(const std::map<std::string, std::vector<FuncInfo*>>& allFuncInfo);
-void moduleTransfer(const std::map<std::string, std::vector<FuncInfo*>>& allFuncInfo);
+void moduleTransfer(const std::map<std::string, std::vector<FuncInfo*>>& allFuncInfo);
-
-void insertInterface(SgStatement* func, const FuncInfo* callFrom);
-
-void transformAssumedSizeParameters(const std::map<std::string, std::vector<FuncInfo*>>& allFuncInfo);

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)
+                    if (coefsRead[k].size() == 0)
-                        coeffsRead[k].resize(it->second.size());
+                        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)
+                    if (coefsWrite[k].size() == 0)
-                        coeffsWrite[k].resize(itW->second.size());
+                        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)
+                for (int z = 0; z < coefsWrite[L].size(); ++z)
-                    countW[L] += (coeffsWrite[L][z].size() ? 1 : 0);
+                    countW[L] += (coefsWrite[L][z].size() ? 1 : 0);
 
             for (int L = 0; L < 2; ++L)
-                for (int z = 0; z < coeffsRead[L].size(); ++z)
+                for (int z = 0; z < coefsRead[L].size(); ++z)
-                    countR[L] += (coeffsRead[L][z].size() ? 1 : 0);
+                    countR[L] += (coefsRead[L][z].size() ? 1 : 0);
 
             for (int p = 0; p < len; ++p)
             {
-                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)
+                    if (coefsWrite[0][p].size() != 0 && coefsWrite[1][p].size() != 0)
-                        if (coeffsWrite[0][p] != coeffsWrite[1][p])
+                        if (coefsWrite[0][p] != coefsWrite[1][p])
                             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)
+                    if (coefsWrite[0][p].size() != 0 && coefsRead[1][p].size() != 0)
-                        if (coeffsWrite[0][p] != coeffsRead[1][p])
+                        if (coefsWrite[0][p] != coefsRead[1][p])
                             return true;
 
-                if (coeffsWrite[1].size() && coeffsRead[0].size())
+                if (coefsWrite[1].size() && coefsRead[0].size())
-                    if (coeffsWrite[1][p].size() != 0 && coeffsRead[0][p].size() != 0)
+                    if (coefsWrite[1][p].size() != 0 && coefsRead[0][p].size() != 0)
-                        if (coeffsWrite[1][p] != coeffsRead[0][p])
+                        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] ||
+                    if (coefsWrite[0][p].size() != 0 && coefsWrite[1][p].size() == 0 && countW[1] ||
-                        coeffsWrite[0][p].size() == 0 && coeffsWrite[1][p].size() != 0 && countW[0])
+                        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] ||
+                    if (coefsWrite[0][p].size() != 0 && coefsRead[1][p].size() == 0 && countR[1] ||
-                        coeffsWrite[0][p].size() == 0 && coeffsRead[1][p].size() != 0 && countW[0])
+                        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] ||
+                    if (coefsWrite[1][p].size() != 0 && coefsRead[0][p].size() == 0 && countR[0] ||
-                        coeffsWrite[1][p].size() == 0 && coeffsRead[0][p].size() != 0 && countW[1])
+                        coefsWrite[1][p].size() == 0 && coefsRead[0][p].size() != 0 && countW[1])
                         return true;
                 }
 
                 //где то нет правил отображения вообще, но есть факт его наличия. 
-                if ( ((coeffsWrite[0].size() == 0 && coeffsRead[0].size() == 0) && (countW[0] == 0 && countR[0] == 0)) 
+                if ( ((coefsWrite[0].size() == 0 && coefsRead[0].size() == 0) && (countW[0] == 0 && countR[0] == 0)) 
                     ||
-                    ((coeffsWrite[1].size() == 0 && coeffsRead[1].size() == 0) && (countW[1] == 0 && countR[1] == 0)) )
+                    ((coefsWrite[1].size() == 0 && coefsRead[1].size() == 0) && (countW[1] == 0 && countR[1] == 0)) )
                     return true;
             }
             

src/Transformations/LoopSplitting/loops_splitter.cpp

@@ -6,7 +6,7 @@
 #include "../LoopAnalyzer/loop_analyzer.h"
 #include "expr_transform.h"
 #include "errors.h"
-#include "CFGraph/CFGraph.h"
+#include "../CFGraph/CFGraph.h"
 #include "../SageAnalysisTool/OmegaForSage/include/lang-interf.h"
 #include "../DirectiveProcessing/directive_parser.h"
 #include "../DirectiveProcessing/directive_omp_parser.h"

src/Transformations/PrivateArrayRemoving/private_removing.h

@@ -2,8 +2,8 @@
 
 #include "dvm.h"
 #include "../DirectiveProcessing/directive_parser.h"
-#include "CFGraph/CFGraph.h"
+#include "../CFGraph/CFGraph.h"
-#include "CFGraph/RD_subst.h"
+#include "../CFGraph/RD_subst.h"
 
 // Regime defines the regime of private removing
 enum class Regime { DEFLT = 1, REGULAR_INDEXES };

src/Transformations/ReplaceArraysInIO/replace_dist_arrays_in_io.cpp

@@ -17,157 +17,6 @@ using std::pair;
 
 #define DEBUG_TRACE 0
 
-static bool hasArrayRef(SgExpression* ex)
-{
-    if (ex)
-        return isArrayRef(ex) || hasArrayRef(ex->lhs()) || hasArrayRef(ex->rhs());
-
-    return false;
-}
-
-static inline bool isArrayDeclaration(SgStatement* st)
-{
-    return isSgDeclarationStatement(st) || isSgVarListDeclStmt(st) || isSgNestedVarListDeclStmt(st);
-}
-
-static SgExpression* findExprWithVariant(SgExpression* exp, int variant)
-{
-    if (exp)
-    {
-        if (exp->variant() == variant)
-            return exp;
-
-        auto *l = findExprWithVariant(exp->lhs(), variant);
-        if (l)
-            return l;
-
-        auto *r = findExprWithVariant(exp->rhs(), variant);
-        if (r)
-            return r;
-    }
-
-    return NULL;
-}
-
-static bool switchToDeclarationFile(DIST::Array* array_p, 
-                                    pair<string, int>& decl_place, 
-                                    const string &current_file_name,
-                                    FuncInfo *current_func)
-{
-    if (!array_p)
-        return false;
-
-    // try to find declaration from current function
-    for (const auto &p : array_p->GetDeclInfo())
-    {
-        if (p.first == current_file_name && 
-            current_func->linesNum.first <= p.second && 
-            p.second <= current_func->linesNum.second)
-        {
-            decl_place = p;
-            return true;
-        }
-    }
-
-    for (const auto &p : array_p->GetDeclInfo())
-    {
-        if (SgFile::switchToFile(p.first) != -1)
-        {
-            decl_place = p;
-            return true;
-        }
-    }
-
-    return false;
-}
-
-static bool checkAssumedShape(SgStatement* decl, const string& array_name)
-{
-    SgExpression* list = decl->expr(0);
-    SgExpression* dim_list = NULL;
-
-    while (list)
-    {
-        auto *arr_ref = list->lhs();
-
-        if (arr_ref && 
-            arr_ref->symbol() && 
-            arr_ref->symbol()->identifier() && 
-            arr_ref->symbol()->identifier() == array_name)
-        {
-            dim_list = arr_ref->lhs();
-            break;
-        }
-
-        list = list->rhs();
-    }
-
-    if (!dim_list)
-    {
-        auto *dim_expr = findExprWithVariant(decl->expr(2), DIMENSION_OP);
-        if (dim_expr)
-            dim_list = dim_expr->lhs();
-    }
-
-    while (dim_list)
-    {
-        auto *lhs = dim_list->lhs();
-
-        if (lhs && lhs->variant() == DDOT && (!lhs->lhs() || !lhs->rhs()))
-            return true;
-
-        dim_list = dim_list->rhs();
-    }
-
-    return false;
-}
-
-static bool checkAssumedSize(const string &array_name, DIST::Array* array_p, const string &current_file_name, FuncInfo *current_func)
-{
-    if (!array_p)
-        return true; // raise true to prevent array from copying
-
-    bool found = false;
-
-    pair<string, int> decl_place;
-
-    if (!switchToDeclarationFile(array_p, decl_place, current_file_name, current_func))
-        return true;
-
-    auto *st = SgStatement::getStatementByFileAndLine(decl_place.first, decl_place.second);
-    checkNull(st, convertFileName(__FILE__).c_str(), __LINE__);
-    
-    SgExpression* list = st->expr(0);    
-    while (list)
-    {
-        if (list->lhs() && 
-            list->lhs()->symbol() && 
-            list->lhs()->symbol()->identifier() && 
-            list->lhs()->symbol()->identifier() == array_name
-        )
-        {
-            if(findExprWithVariant(list->lhs(), STAR_RANGE))
-                found = true;
-
-            break;
-        }
-
-        list = list->rhs();
-    }
-
-    if (!found)
-    {
-        auto *dim_expr = findExprWithVariant(st->expr(2), DIMENSION_OP);
-        if (dim_expr && findExprWithVariant(dim_expr, STAR_RANGE))
-            found = true;
-    }
-
-    if (SgFile::switchToFile(current_file_name) == -1)
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__); // can't switch back to file with array usage
-
-    return found;
-}
-
 static void findArrays(SgExpression* exp, set<SgSymbol*>& arrays)
 {
     if (exp)
@@ -180,15 +29,12 @@ static void findArrays(SgExpression* exp, set<SgSymbol*>& arrays)
     }
 }
 
-static bool populateDistributedIoArrays(map<SgSymbol*, set<SgStatement*>>& arrays, 
+static void populateDistributedIoArrays(map<SgSymbol*, set<SgStatement*>>& arrays, SgStatement* stat)
-                                        SgStatement* stat, 
-                                        const string& current_file_name,
-                                        FuncInfo *current_func)
 {
     auto var = stat->variant();
 
     if (var != READ_STAT && var != PRINT_STAT && var != WRITE_STAT)
-        return false;
+        return;
 
     // check if such IO allowed in dvm: 
     // list should consist only of single array and format string should be *
@@ -198,26 +44,22 @@ static bool populateDistributedIoArrays(map<SgSymbol*, set<SgStatement*>>& array
     SgExpression* ioList = stat->expr(0);
 
     if (!ioList)
-        return false;
+        return;
 
     if (ioList->variant() != EXPR_LIST)
-        return false;
+        return;
 
     if (ioList->rhs() == NULL)
     {
         SgExpression* arg = ioList->lhs();
         if (!arg)
-            return false;
+            return;
 
-        if (hasArrayRef(arg))
+        if (!isArrayRef(arg))
-        {
+            return;
-            if (isArrayRef(arg) && arg->lhs())
+
-                need_replace = true;
+        if (arg->lhs())
-        }
+            need_replace = true;
-        else
-        {
-            return false;
-        }
     }
     else
     {
@@ -232,11 +74,15 @@ static bool populateDistributedIoArrays(map<SgSymbol*, set<SgStatement*>>& array
         {
             SgExpression* fmt = stat->expr(1);
             if (!fmt || fmt->variant() != SPEC_PAIR || fmt->lhs()->variant() != KEYWORD_VAL)
+            {
                 printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
+                return;
+            }
 
             if (fmt->rhs()->variant() != KEYWORD_VAL || fmt->rhs()->sunparse() != "*")
                 need_replace = true;
 
+
             break;
         }
         case READ_STAT:
@@ -258,7 +104,10 @@ static bool populateDistributedIoArrays(map<SgSymbol*, set<SgStatement*>>& array
                 {
                     auto *kv = spec->lhs();
                     if (!kv || kv->variant() != SPEC_PAIR || !kv->rhs())
+                    {
                         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
+                        return;
+                    }
 
                     if (kv->rhs()->variant() != KEYWORD_VAL || kv->rhs()->sunparse() != "*")
                     {
@@ -269,7 +118,6 @@ static bool populateDistributedIoArrays(map<SgSymbol*, set<SgStatement*>>& array
                     spec = spec->rhs();
                 }
             }
-            break;
         }
         default:
             break;
@@ -277,9 +125,7 @@ static bool populateDistributedIoArrays(map<SgSymbol*, set<SgStatement*>>& array
     }
 
     if (!need_replace)
-        return false;
+        return;
-
-    bool ret = false;
 
     set<SgSymbol*> found_arrays;
 
@@ -290,21 +136,11 @@ static bool populateDistributedIoArrays(map<SgSymbol*, set<SgStatement*>>& array
     {
         string array_name = string(by_symb->identifier());
         DIST::Array* array_p = getArrayFromDeclarated(declaratedInStmt(by_symb), array_name);
-        if (array_p && 
+        if (array_p && array_p->GetDistributeFlagVal() == Distribution::distFlag::IO_PRIV && arrays[by_symb].insert(stat).second)
-            array_p->GetDistributeFlagVal() == Distribution::distFlag::IO_PRIV && 
+            __spf_print(DEBUG_TRACE, "[%d]: add array %s\n", stat->lineNumber(), array_p->GetName().c_str());
-            !checkAssumedSize(array_name, array_p, current_file_name, current_func))
-        {
-            auto inserted = arrays[by_symb].insert(stat).second;
-
-            if (inserted)
-                __spf_print(DEBUG_TRACE, "[%d]: add array %s %p\n", stat->lineNumber(), array_p->GetName().c_str(), by_symb);
-
-            ret = true;
-        }
     }
 
     __spf_print(DEBUG_TRACE, "[replace]\n");
-    return ret;
 }
 
 static void replaceArrayRec(SgSymbol* arr, SgSymbol* replace_by, SgExpression* exp, bool& has_read, bool& has_write, bool from_read, bool from_write)
@@ -374,12 +210,7 @@ static void replaceArrayRec(SgSymbol* arr, SgSymbol* replace_by, SgStatement* st
     }
 }
 
-static void copyArrayBetweenStatements(SgSymbol* replace_symb, 
+static void copyArrayBetweenStatements(SgSymbol* replace_symb, SgSymbol* replace_by, SgStatement* start, SgStatement* last, bool start_is_scope)
-                                       SgSymbol* replace_by,
-                                       SgStatement* start, 
-                                       SgStatement* last, 
-                                       bool start_is_scope,
-                                       FuncInfo *func_info)
 {
     while (start->lexNext() && !isSgExecutableStatement(start->lexNext()))
         start = start->lexNext();
@@ -398,23 +229,10 @@ static void copyArrayBetweenStatements(SgSymbol* replace_symb,
         auto* parent = start_is_scope ? start : start->controlParent();
         if (parent && parent->lastNodeOfStmt() == start)
             parent = parent->controlParent();
-        checkNull(parent, convertFileName(__FILE__).c_str(), __LINE__);
 
         start->insertStmtAfter(*assign, *parent);
     }
 
-    if (has_write)
-    {
-        for (int i = 0; i < func_info->funcParams.identificators.size(); i++)
-        {
-            if (func_info->funcParams.identificators[i] == replace_symb->identifier())
-            {
-                has_write &= func_info->funcParams.isArgOut(i);
-                break;
-            }
-        }
-    }
-
     if (has_write)
     {
         // A = A_reg
@@ -425,14 +243,9 @@ static void copyArrayBetweenStatements(SgSymbol* replace_symb,
     }
 }
 
-static void replaceArrayInFragment(SgSymbol* replace_symb, 
+static void replaceArrayInFragment(SgSymbol* replace_symb, const set<SgStatement*> usages, SgSymbol* replace_by, SgStatement* start, SgStatement* last, const string& filename)
-                                   const set<SgStatement*> usages, 
-                                   SgSymbol* replace_by, 
-                                   SgStatement* start, 
-                                   SgStatement* last, 
-                                   FuncInfo *func_info)
 {
-    while (start->lexNext() && (!isSgExecutableStatement(start->lexNext()) || start->lexNext()->variant() == ALLOCATE_STMT))
+    while (start->lexNext() && !isSgExecutableStatement(start->lexNext()))
         start = start->lexNext();
 
     set<SgStatement*> not_opened, not_closed, copied;
@@ -499,7 +312,7 @@ static void replaceArrayInFragment(SgSymbol* replace_symb,
         }
 
         __spf_print(DEBUG_TRACE, "[copy %s] [%d, %d]\n", replace_symb->identifier(), scope_start->lineNumber(), scope_end->lineNumber());
-        copyArrayBetweenStatements(replace_symb, replace_by, scope_start, scope_end, copy_scope == scope_start, func_info);
+        copyArrayBetweenStatements(replace_symb, replace_by, scope_start, scope_end, copy_scope == scope_start);
         copied.insert(copy_scope);
     }
 }
@@ -522,16 +335,12 @@ static bool ioReginBorder(SgStatement* stat, SgStatement* last_io_bound)
         STOP_STAT,
         STOP_NODE,
         EXIT_STMT,
-        EXIT_NODE,
+        EXIT_NODE
-        GOTO_NODE
     };
 
     if (border_stats.find(var) != border_stats.end())
         return true;
 
-    if (stat->hasLabel())
-        return true;
-
     if (last_io_bound && last_io_bound->lastNodeOfStmt() && last_io_bound->lastNodeOfStmt() == stat)
         return true;
 
@@ -544,9 +353,9 @@ static bool ioReginBorder(SgStatement* stat, SgStatement* last_io_bound)
 }
 
 void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
-                                  const map<string, vector<FuncInfo*>>& allFuncInfo,
+    const map<string, vector<FuncInfo*>>& allFuncInfo,
-                                  map<string, vector<Messages>>& SPF_messages,
+    map<string, vector<Messages>>& SPF_messages,
-                                  map<string, map<int, set<string>>>& newDeclsToInclude)
+    map<string, map<int, set<string>>>& newDeclsToInclude)
 {
     map<SgSymbol*, SgSymbol*> created_copies;
     map<string, map<int, set<string>>> copied_syms;
@@ -555,29 +364,26 @@ void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
     {
         __spf_print(DEBUG_TRACE, "[%s]: enter region\n", region->GetName().c_str());
 
-        for (auto& lines_by_file : region->GetAllLinesToModify())
+        for (auto& linesByFile : region->GetAllLinesToModify())
         {
-            const auto& current_file_name = lines_by_file.first;
+            const auto& filename = linesByFile.first;
 
-            if (SgFile::switchToFile(current_file_name) == -1)
+            if (SgFile::switchToFile(filename) < 0)
-                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-            auto func_info_it = allFuncInfo.find(current_file_name);
-            if (func_info_it == allFuncInfo.end())
-                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-            auto *lbound_symb = new SgSymbol(FUNCTION_NAME, "lbound");
-            auto *ubound_symb = new SgSymbol(FUNCTION_NAME, "ubound");
-
-            for (auto& lines : lines_by_file.second)
             {
-                __spf_print(DEBUG_TRACE, "[fragment] %s: %d:%d %d\n", current_file_name.c_str(), lines.lines.first,
+                printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
+                return;
+            }
+
+            for (auto& lines : linesByFile.second)
+            {
+                __spf_print(DEBUG_TRACE, "[fragment] %s: %d:%d %d\n", filename.c_str(), lines.lines.first,
                     lines.lines.second, lines.isImplicit());
 
                 SgStatement* curr_stmt, * end;
 
                 if (lines.isImplicit())
                 {
+
                     curr_stmt = current_file->SgStatementAtLine(lines.lines.first);
                     end = current_file->SgStatementAtLine(lines.lines.second);
 
@@ -593,7 +399,6 @@ void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
                 map<SgSymbol*, set<SgStatement*>> need_replace;
                 SgStatement* last_io_bound = NULL;
 
-                FuncInfo *current_func_info = NULL;
 
                 while (curr_stmt != end)
                 {
@@ -602,21 +407,9 @@ void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
 
                     auto var = curr_stmt->variant();
 
+
                     if (var == PROC_HEDR || var == PROG_HEDR || var == FUNC_HEDR)
                     {
-                        current_func_info = NULL;
-                        for (auto *func_info : func_info_it->second)
-                        {
-                            if (func_info->funcName == curr_stmt->symbol()->identifier())
-                            {
-                                current_func_info = func_info;
-                                break;
-                            }
-                        }
-
-                        if (!current_func_info)
-                            printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
                         curr_stmt = curr_stmt->lexNext();
                         while (curr_stmt && !isSgExecutableStatement(curr_stmt))
                         {
@@ -640,192 +433,77 @@ void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
                                 string array_name = string(array_to_copy->identifier());
                                 DIST::Array* array_p = getArrayFromDeclarated(declaratedInStmt(array_to_copy), array_name);
 
-                                // at this point all considered arrays must have DIST::Array* references
+                                bool fromModule = (array_p->GetLocation().first == DIST::l_MODULE);
-                                if (!array_p)
+                                const string locationName = array_p->GetLocation().second;
-                                    printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-                                // ... and be declared in switchable files (not in headers)
-                                pair<string, int> decl_place;
-                                if (!switchToDeclarationFile(array_p, decl_place, current_file_name, current_func_info))
-                                    printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
 
+                                auto place = *array_p->GetDeclInfo().begin();
+                                string fileName = place.first;
                                 string suffix = "_io_l";
 
-                                switch (array_p->GetLocation().first)
+                                if (fromModule)
+                                    suffix = "_io_m";
+
+                                pair<SgSymbol*, SgSymbol*> copied;
+                                copied.first = array_to_copy;
+
+                                if (SgFile::switchToFile(fileName) == -1)
                                 {
-                                    case DIST::l_MODULE:
-                                        suffix = "_io_m";
-                                        break;
-                                    case DIST::l_COMMON:
-                                        suffix = "_io_c";
-                                        break;
-                                }
-                                
-                                auto copied_symbol = copyArray(decl_place, 
-                                                               array_p, 
-                                                               lines_by_file.second, 
-                                                               suffix + to_string(region->GetId()), 
-                                                               decl_place.first, 
-                                                               newDeclsToInclude, 
-                                                               copied_syms);
-                            
-                                // original declaration statement
-                                auto *decl_stmt = SgStatement::getStatementByFileAndLine(decl_place.first, decl_place.second);
-
-                                if (!decl_stmt || !isArrayDeclaration(decl_stmt))
-                                    printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-                                auto dynamic_array = checkAssumedShape(decl_stmt, array_name);  
-
-                                while (decl_stmt && !isSgExecutableStatement(decl_stmt))
-                                {
-                                    if (isArrayDeclaration(decl_stmt) &&
-                                        decl_stmt->expr(0) &&
-                                        decl_stmt->expr(0)->lhs() &&
-                                        decl_stmt->expr(0)->lhs()->symbol() == copied_symbol.second)
-                                    {
-                                        break;
-                                    }
-
-                                    decl_stmt = decl_stmt->lexNext();
-                                }
-                                
-                                // created declaration statement
-                                if (!decl_stmt || !isArrayDeclaration(decl_stmt))
-                                    printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
-                                // insert !$SPF ANALYSIS(PROCESS_PRIVATE(array)) directive before declaration statement
-                                
-                                string dir_str;
-                                if (decl_stmt->comments())
-                                {
-                                    auto str_comment = string(decl_stmt->comments());
-                                    if (str_comment.size() && str_comment.back() != '\n')
-                                        dir_str += "\n";
-                                }
-
-                                dir_str += "!$SPF ANALYSIS(PROCESS_PRIVATE(" + string(copied_symbol.second->identifier()) + "))\n";
-                                decl_stmt->addComment(dir_str.c_str());
-                            
-                                created_copies.insert({ array_to_copy, copied_symbol.second });
-
-                                // make array copy allocatable in case of assumed-shape array
-                                if(dynamic_array)
-                                {
-                                    // insert allocatable keyword in declaration
-                                    auto *kword_list = decl_stmt->expr(2);
-                                    if (!findExprWithVariant(kword_list, ALLOCATABLE_OP))
-                                    {
-                                        if (!kword_list)
-                                        {
-                                            kword_list = new SgExprListExp();
-                                            decl_stmt->setExpression(2, *kword_list);
-                                        }
-                                        
-                                        while (kword_list->rhs())
-                                            kword_list = kword_list->rhs();
-                                        
-                                        if (kword_list->lhs())
-                                        {
-                                            kword_list->setRhs(new SgExprListExp());
-                                            kword_list = kword_list->rhs();
-                                        }
-
-                                        kword_list->setLhs(new SgExpression(ALLOCATABLE_OP));
-                                    }
-
-                                    // can't switch back to file with array usage
-                                    if (SgFile::switchToFile(current_file_name) == -1)
-                                        printInternalError(convertFileName(__FILE__).c_str(), __LINE__); 
-                                        
-                                    // insert allocate(a_l(lbound(a, 1):ubound(a,1),...)) statement
-                                    SgStatement* allocate_stmt_place = NULL;
-
                                     auto* func_stmt = curr_stmt->getScopeForDeclare();
+
+                                    SgStatement* insertPlace = NULL;
                                     for (auto iterator = func_stmt->lexNext();
-                                        iterator && !isSgExecutableStatement(iterator);
+                                        !isSgExecutableStatement(iterator) || isSPF_stat(iterator) &&
+                                        !(iterator->variant() == SPF_PARALLEL_REG_DIR || iterator->variant() == SPF_END_PARALLEL_REG_DIR);
                                         iterator = iterator->lexNext())
                                     {
-                                            allocate_stmt_place = iterator;
+                                        insertPlace = iterator;
                                     }
 
                                     //NULL - no decl stats in function!
-                                    if (!allocate_stmt_place)
+                                    if (!insertPlace)
-                                        allocate_stmt_place = func_stmt;
+                                        insertPlace = func_stmt;
 
-                                    auto *allocate_stmt_parent = allocate_stmt_place->controlParent();
+                                    auto st = insertPlace->controlParent();
-                                    if (allocate_stmt_parent->variant() == GLOBAL)
+                                    if (st->variant() == GLOBAL)
-                                        allocate_stmt_parent = allocate_stmt_place;
+                                        st = insertPlace;
-                                    
-                                    auto *created_array_ref = new SgArrayRefExp(*copied_symbol.second);
 
-                                    auto* dim_list = new SgExprListExp();
+                                    auto& copied_symb = array_to_copy->copy();
-                                    created_array_ref->setLhs(dim_list);
+                                    copied.second = &copied_symb;
-                                    
-                                    int dim_len = array_p->GetSizes().size();
-                                    for (int i = 1; i <= dim_len; i++)
-                                    {
-                                        auto *lcall = new SgFunctionCallExp(*lbound_symb);
-                                        auto *rcall = new SgFunctionCallExp(*ubound_symb);
-                                        
-                                        for (auto *call : {lcall, rcall})
-                                        {
-                                            call->setLhs(new SgExprListExp());
 
-                                            call->lhs()->setLhs(new SgArrayRefExp(*array_to_copy));
+                                    auto new_name = string(array_to_copy->identifier()) + "_io_c";
-                                            call->lhs()->setRhs(new SgValueExp(i));
+                                    copied_symb.changeName(new_name.c_str());
-                                        }
-                                        
-                                        auto *dot_expr = new SgExpression(DDOT);
-                                        dot_expr->setLhs(lcall);
-                                        dot_expr->setRhs(rcall);
 
-                                        dim_list->setLhs(dot_expr);
+                                    auto stat = array_to_copy->makeVarDeclStmt();
+                                    auto res = CalculateInteger(stat->expr(0)->copyPtr());
+                                    res->lhs()->setSymbol(copied_symb);
+                                    stat->setExpression(0, res);
 
-                                        if (i < dim_len)
+                                    insertPlace->insertStmtAfter(*stat, *st);
-                                        {
+                                }
-                                            auto *next = new SgExprListExp();
+                                else
-                                            dim_list->setRhs(next);
+                                {
-                                            dim_list = next;
+                                    copied = copyArray(place, array_p, linesByFile.second, suffix + to_string(region->GetId()), fileName, newDeclsToInclude, copied_syms);
-                                        }
-                                    }
-
-                                    auto *allocate_stmt = new SgStatement(ALLOCATE_STMT);
-                                    allocate_stmt->setExpression(0, created_array_ref);
-
-                                    allocate_stmt_place->insertStmtAfter(*allocate_stmt, *allocate_stmt_parent);
-
-                                    // insert deallocate statemens before all returns
-                                    auto *find_return_stmt = func_stmt;
-                                    while (find_return_stmt != func_stmt->lastNodeOfStmt())
-                                    {
-                                        auto *next = find_return_stmt->lexNext();
-                                        if (next && (isSgReturnStmt(next) || next == func_stmt->lastNodeOfStmt()))
-                                        {
-                                            if (next->hasLabel())
-                                            {
-                                                moveLabelBefore(next);
-                                                find_return_stmt = next->lexPrev();
-                                            }
-                                            
-                                            auto *dealloc_stmt = new SgStatement(DEALLOCATE_STMT);
-
-                                            dealloc_stmt->setExpression(0, new SgExprListExp());
-                                            dealloc_stmt->expr(0)->setLhs(new SgArrayRefExp(*copied_symbol.second));
-
-                                            find_return_stmt->insertStmtAfter(*dealloc_stmt, *next->controlParent());
-
-                                            if (next == curr_stmt)
-                                                curr_stmt = dealloc_stmt;
-                                        }
-
-                                        find_return_stmt = next;
-                                    }
                                 }
 
-                                // can't switch back to file with array usage
+                                SgStatement* decl = SgStatement::getStatementByFileAndLine(place.first, place.second);
-                                if (SgFile::switchToFile(current_file_name) == -1)
+
-                                    printInternalError(convertFileName(__FILE__).c_str(), __LINE__); 
+                                if (decl)
+                                    decl = decl->lexNext();
+
+                                if (decl)
+                                {
+                                    string dir_str;
+                                    if (decl->comments())
+                                    {
+                                        string str_comment = string(decl->comments());
+                                        if (str_comment.size() && str_comment.back() != '\n')
+                                            dir_str += "\n";
+                                    }
+
+                                    dir_str += "!$SPF ANALYSIS(PROCESS_PRIVATE(" + string(copied.second->identifier()) + "))\n";
+                                    decl->addComment(dir_str.c_str());
+                                }
+                                created_copies.insert({ array_to_copy, copied.second });
                             }
                         }
 
@@ -837,9 +515,12 @@ void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
                             {
                                 auto it = created_copies.find(p.first);
                                 if (it != created_copies.end())
-                                    replaceArrayInFragment(p.first, p.second, it->second, last_io_bound, curr_stmt, current_func_info);
+                                    replaceArrayInFragment(p.first, p.second, it->second, last_io_bound, curr_stmt, filename);
                                 else
+                                {
                                     printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
+                                    return;
+                                }
                             }
                         }
 
@@ -857,17 +538,7 @@ void replaceDistributedArraysInIO(vector<ParallelRegion*>& regions,
                         }
                     }
 
-                    auto need_fix_io = populateDistributedIoArrays(need_replace, curr_stmt, current_file_name, current_func_info);
+                    populateDistributedIoArrays(need_replace, curr_stmt);
-                    
-                    // incorrect IO statement with label
-                    // move label to dummy statement and insert copy statements between dummy statement and IO
-                    if (need_fix_io && curr_stmt->hasLabel())
-                    {
-                        moveLabelBefore(curr_stmt);
-                        if (last_io_bound == curr_stmt) // always true
-                            last_io_bound = curr_stmt->lexPrev();
-                    }
-
                     curr_stmt = curr_stmt->lexNext();
                 }
             }

src/Utils/PassManager.h

@@ -316,8 +316,9 @@ void InitPassesDependencies(map<passes, vector<passes>> &passDepsIn, set<passes>
 
     list({ VERIFY_INCLUDES, CORRECT_VAR_DECL }) <= Pass(SET_IMPLICIT_NONE);
 
-    list({ CALL_GRAPH2, CALL_GRAPH, BUILD_IR, LOOP_GRAPH, LOOP_ANALYZER_DATA_DIST_S2 }) <= Pass(FIND_PRIVATE_ARRAYS_ANALYSIS);
+    list({ CALL_GRAPH, LOOP_GRAPH, CALL_GRAPH2, BUILD_IR }) <= Pass(BUILD_IR_SSA_FORM) <= Pass(FIND_IMPLICIT_LOOPS);
-    list({ FIND_PRIVATE_ARRAYS_ANALYSIS, CONVERT_LOOP_TO_ASSIGN, RESTORE_LOOP_FROM_ASSIGN, REVERT_SUBST_EXPR_RD }) <= Pass(FIND_PRIVATE_ARRAYS);
+
+    list({ CALL_GRAPH, LOOP_GRAPH, CALL_GRAPH2, BUILD_IR, LOOP_ANALYZER_DATA_DIST_S2 }) <= Pass(FIND_PRIVATE_ARRAYS);
 
     passesIgnoreStateDone.insert({ CREATE_PARALLEL_DIRS, INSERT_PARALLEL_DIRS, INSERT_SHADOW_DIRS, EXTRACT_PARALLEL_DIRS, 
                                    EXTRACT_SHADOW_DIRS, CREATE_REMOTES, UNPARSE_FILE, REMOVE_AND_CALC_SHADOW,

src/Utils/utils.cpp

@@ -390,15 +390,32 @@ void clearGlobalBuffer() { globalOutputBuffer = ""; }
 const string& getGlobalBuffer() { return globalOutputBuffer; }
 
 set<short*> allocated;
+set<int*> allocatedInt;
+static void convertGlobalBuffer(short *&result, int *&resultSize)
+{
+    const unsigned len = (unsigned)globalOutputBuffer.size();
+    result = new short[len + 1];
+    allocated.insert(result);
+
+    result[len] = '\0';
+    for (unsigned i = 0; i < len; ++i)
+        result[i] = globalOutputBuffer[i];
+
+    resultSize = new int[1];
+    resultSize[0] = (int)len;
+}
+
 extern map<string, vector<Messages>> SPF_messages; //file ->messages
 void clearGlobalMessagesBuffer()
 {
     //clear allocated memory
     for (auto& elem : allocated)
-        delete []elem;    
+        delete[]elem;
+    for (auto& elem : allocatedInt)
+        delete[]elem;
     allocated.clear();
-    
+    allocatedInt.clear();
-    
+
     SPF_messages.clear();
 }
 
@@ -434,7 +451,7 @@ static map<string, vector<Messages>> removeCopies(map<string, vector<Messages>>
     return out;
 }
 
-static string convertGlobalMessagesBuffer()
+static void convertGlobalMessagesBuffer(short *&result, int *&resultSize)
 {
     auto copySPF_messages = removeCopies(SPF_messages);
     for (auto &byFile : copySPF_messages)
@@ -472,13 +489,21 @@ static string convertGlobalMessagesBuffer()
     json all;
     all["allMessages"] = allMessages;
 
-    return all.dump();    
+    const string str = all.dump();    
+    const unsigned len = (unsigned)str.size();
+
+    copyStringToShort(result, str);
+    allocated.insert(result);
+
+    resultSize = new int[1];
+    resultSize[0] = (int)len;
 }
 
-void convertBuffers(string &resultM, string &result)
+
+void convertBuffers(short*& resultM, int*& resultSizeM, short*& result, int*& resultSize)
 {
-    resultM = convertGlobalMessagesBuffer();
+    convertGlobalMessagesBuffer(resultM, resultSizeM);
-    result = getGlobalBuffer();
+    convertGlobalBuffer(result, resultSize);
 }
 
 bool isSPF_comment(const string &bufStr)

src/Utils/utils.h

@@ -33,7 +33,7 @@ void addToGlobalBufferAndPrint(const std::string &toPrint);
 void clearGlobalBuffer();
 const std::string& getGlobalBuffer();
 std::wstring to_wstring(const std::string);
-void convertBuffers(std::string& resultM, std::string& result);
+void convertBuffers(short*& resultM, int*& resultSizeM, short*& result, int*& resultSize);
 void clearGlobalMessagesBuffer();
 std::string renameInclude(const std::string& inc);
 void copyIncludes(const std::set<std::string> &allIncludeFiles, const std::map<std::string, std::map<int, std::set<std::string>>> &commentsToInclude, const std::map<std::string, std::map<int, std::set<std::string>>>& newCopyDeclToIncl, const char *folderName, bool keepSpfDirs, bool isFreeStyle, bool isRename, int removeDirs = 0);

src/Utils/version.h

@@ -1,3 +1,3 @@
 #pragma once
 
-#define VERSION_SPF "2450"
+#define VERSION_SPF "2432"