version updated

src/ArrayConstantPropagation/propagation.cpp

@@ -3,13 +3,35 @@
 #include "../Utils/SgUtils.h"
 
 #include <iostream>
+#include <functional>
 #include <unordered_map>
 #include <unordered_set>
 #include <vector>
 
 using namespace std;
 
-static SgStatement* declPlace = NULL;
+namespace {
+
+    struct MyHash {
+        size_t operator()(const SgSymbol* s) const {
+            return std::hash<std::string_view>{}(s->identifier());
+        }
+    };
+
+    struct MyEq {
+        bool operator()(const SgSymbol* a, const SgSymbol* b) const {
+            return std::strcmp(a->identifier(), b->identifier()) == 0;
+        }
+    };
+
+}
+
+SgStatement* declPlace = NULL;
+unordered_set<SgStatement*> changed;
+unordered_set<SgSymbol*, MyHash, MyEq> variablesToAdd;
+unordered_set<SgStatement*> positionsToAdd;
+unordered_set<SgStatement*> statementsToRemove;
+unordered_map<string, vector<pair<SgStatement*, SgStatement*>>> expToChange;
 
 static bool CheckConstIndexes(SgExpression* exp)
 {
@@ -40,158 +62,148 @@ static SgExpression* CreateVar(int& variableNumber, SgType* type)
     string name = varName + std::to_string(variableNumber) + "__";
     variableNumber++;
 
-    SgSymbol* varSymbol = new SgSymbol(VARIABLE_NAME, name.c_str(), *type, *declPlace->controlParent());
+    SgStatement* funcStart = declPlace->controlParent();
+    SgSymbol* varSymbol = new SgSymbol(VARIABLE_NAME, name.c_str(), *type, *funcStart);
+
+    variablesToAdd.insert(varSymbol);
+    positionsToAdd.insert(declPlace);
+
+    return new SgExpression(VAR_REF, NULL, NULL, varSymbol, type->copyPtr());
+}
+
+static SgStatement* FindLastDeclStatement(SgStatement* funcStart)
+{
+    SgStatement* endSt = funcStart->lastNodeOfStmt();
+    SgStatement* cur = funcStart->lexNext();
+    SgStatement* lastDecl = funcStart;
+    const set<int> declVariants = { VAR_DECL, VAR_DECL_90, ALLOCATABLE_STMT, DIM_STAT,
+                                    EXTERN_STAT, COMM_STAT, HPF_TEMPLATE_STAT, DVM_VAR_DECL, STRUCT_DECL };
+
+    while (cur && cur != endSt)
+    {
+        if (cur->variant() == INTERFACE_STMT)
+            cur = cur->lastNodeOfStmt();
+
+        if (declVariants.find(cur->variant()) != declVariants.end())
+            lastDecl = cur;
+        else if (isSgExecutableStatement(cur))
+            break;
+
+        cur = cur->lexNext();
+    }
+
+    return lastDecl;
+}
+
+static void InsertCommonAndDeclsForFunction(SgStatement* funcStart, const unordered_set<SgSymbol*, MyHash, MyEq>& symbols)
+{
+    if (symbols.empty())
+        return;
 
     const string commonBlockName = "__propagation_common__";
 
-    SgStatement* funcStart = declPlace->controlParent();
+    SgStatement* funcEnd = funcStart->lastNodeOfStmt();
     SgStatement* commonStat = NULL;
     SgExpression* commonList = NULL;
 
-    SgStatement* funcEnd = funcStart->lastNodeOfStmt();
-    SgStatement* current = funcStart->lexNext();
+    for (SgStatement* cur = funcStart->lexNext();
+         cur && cur != funcEnd; cur = cur->lexNext())
+    {
+        if (cur->variant() != COMM_STAT)
+            continue;
 
-    while (current != funcEnd && current)
+        for (SgExpression* exp = cur->expr(0); exp; exp = exp->rhs())
         {
-        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 (exp->variant() != COMM_LIST)
+                continue;
+
+            const char* id = exp->symbol() ? exp->symbol()->identifier() : NULL;
+            string existingName = id ? string(id) : string("spf_unnamed");
             if (existingName == commonBlockName)
             {
-                        commonStat = current;
+                commonStat = cur;
                 commonList = exp;
                 break;
             }
         }
-            }
         if (commonStat)
             break;
     }
-        current = current->lexNext();
-    }
 
     vector<SgExpression*> varRefs;
-    if (commonList)
+    for (SgSymbol* sym : symbols)
     {
-        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));
+        if (!sym || sym->variant() != VARIABLE_NAME || string(sym->identifier()) == commonBlockName)
+            continue;
+        SgSymbol* symToAdd = new SgSymbol(VARIABLE_NAME, sym->identifier(), *sym->type(), *funcStart);
+        varRefs.push_back(new SgVarRefExp(symToAdd));
     }
-                }
-            }
-            else
+    SgExpression* varList = makeExprList(varRefs, false);
+
+    SgStatement* insertAfter = FindLastDeclStatement(funcStart);
+    for (SgSymbol* sym : symbols)
     {
-                for (SgExpression* varExp = varList; varExp; varExp = varExp->rhs())
-                {
-                    SgSymbol* sym = extractSymbol(varExp);
-                    if (sym)
-                    {
-                        varRefs.push_back(new SgVarRefExp(sym));
-                    }
-                }
-            }
-        }
+        SgStatement* declStmt = sym->makeVarDeclStmt();
+        if (!declStmt)
+            continue;
+
+        if (SgVarDeclStmt* vds = isSgVarDeclStmt(declStmt))
+            vds->setVariant(VAR_DECL_90);
+
+        declStmt->setFileName(funcStart->fileName());
+        declStmt->setFileId(funcStart->getFileId());
+        declStmt->setProject(funcStart->getProject());
+        declStmt->setlineNumber(getNextNegativeLineNumber());
+
+        insertAfter->insertStmtAfter(*declStmt, *funcStart);
+        insertAfter = declStmt;
+        statementsToRemove.insert(declStmt);
     }
 
     if (!commonList)
     {
-        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);
+        commonList = new SgExpression(COMM_LIST, varList, 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->setFileName(funcStart->fileName());
+        commonStat->setFileId(funcStart->getFileId());
+        commonStat->setProject(funcStart->getProject());
         commonStat->setlineNumber(getNextNegativeLineNumber());
         commonStat->setExpression(0, commonList);
 
-            declPlace->insertStmtBefore(*commonStat, *declPlace->controlParent());
+        SgStatement* lastDecl = FindLastDeclStatement(funcStart);
+        lastDecl->insertStmtAfter(*commonStat, *funcStart);
+        statementsToRemove.insert(commonStat);
     }
-
-    }
-    varRefs.push_back(new SgVarRefExp(varSymbol));
-
-    if (varRefs.size() > 0)
+    else
     {
-        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;
+        expUnparsed = exp->unparse();
         if (arrayToVariable.find(expUnparsed) == arrayToVariable.end() && exp->symbol()->type()->baseType())
         {
             arrayToVariable[expUnparsed] = CreateVar(variableNumber, exp->symbol()->type()->baseType());  
         }
-        st->setExpression(1, arrayToVariable[expUnparsed]->copyPtr());
+        positionsToAdd.insert(declPlace);
+        SgSymbol* builder = arrayToVariable[expUnparsed]->symbol();
+        auto* sym = new SgSymbol(builder->variant(), builder->identifier(), builder->type(), st->controlParent());
+        auto* newVarExp = new SgVarRefExp(sym);
+        expToChange[st->fileName()].push_back({ st , st->copyPtr() });
+        st->setExpression(1, newVarExp);
         return;
     }
     for (int i = 0; i < 2; i++)
@@ -200,26 +212,29 @@ static void TransformRightPart(SgStatement* st, SgExpression* exp, unordered_map
         {
             expUnparsed = subnodes[i]->unparse();
             if (arrayToVariable.find(expUnparsed) == arrayToVariable.end())               
-            {                
-                arrayToVariable[expUnparsed] = CreateVar(variableNumber, subnodes[i]->symbol()->type()->baseType());;
-            }
-            toAdd = arrayToVariable[expUnparsed]->copyPtr();
+                arrayToVariable[expUnparsed] = CreateVar(variableNumber, subnodes[i]->symbol()->type()->baseType());
+
+            positionsToAdd.insert(declPlace);
+            SgSymbol* builder = arrayToVariable[expUnparsed]->symbol();
+            auto* sym = new SgSymbol(builder->variant(), builder->identifier(), builder->type(), st->controlParent());
+            toAdd = new SgVarRefExp(sym);
             if (toAdd)
             {
                 if (i == 0)
                 {
+                    expToChange[st->fileName()].push_back({ st , st->copyPtr() });;
                     exp->setLhs(toAdd);
                 }
                 else
                 {
+                    expToChange[st->fileName()].push_back({ st , st->copyPtr() });;
                     exp->setRhs(toAdd);
                 }
             }
         }
         else
-        {
             TransformRightPart(st, subnodes[i], arrayToVariable, variableNumber);
-        }
+        
     }
 }
 
@@ -227,11 +242,14 @@ static void TransformLeftPart(SgStatement* st, SgExpression* exp, unordered_map<
 {
     if (exp->symbol()->type()->variant() == T_STRING)
         return;
+    if (changed.find(st) != changed.end())
+        return;
     string expUnparsed = exp->unparse();
     if (arrayToVariable.find(expUnparsed) == arrayToVariable.end() && exp->symbol()->type()->baseType())
     {
         arrayToVariable[expUnparsed] = CreateVar(variableNumber, exp->symbol()->type()->baseType());
     }
+    positionsToAdd.insert(declPlace);
     SgStatement* newStatement = new SgStatement(ASSIGN_STAT, NULL, NULL, arrayToVariable[expUnparsed]->copyPtr(), st->expr(1)->copyPtr(), NULL);
 
     newStatement->setFileId(st->getFileId());
@@ -240,6 +258,59 @@ static void TransformLeftPart(SgStatement* st, SgExpression* exp, unordered_map<
     newStatement->setlineNumber(getNextNegativeLineNumber());
     newStatement->setLocalLineNumber(st->lineNumber());
     st->insertStmtBefore(*newStatement, *st->controlParent());
+    changed.insert(st);
+    statementsToRemove.insert(newStatement);
+}
+
+static void TransformBorder(SgStatement* st, SgExpression* exp, unordered_map<string, SgExpression*>& arrayToVariable, int& variableNumber)
+{
+    SgStatement* firstStatement = declPlace->lexPrev();
+    st = st->lexPrev();
+    string array = exp->unparse();
+    if (arrayToVariable.find(array) == arrayToVariable.end())
+        arrayToVariable[array] = CreateVar(variableNumber, exp->symbol()->type()->baseType());
+    while (st != firstStatement)
+    {
+        if (st->variant() == ASSIGN_STAT && arrayToVariable.find(st->expr(0)->unparse()) != arrayToVariable.end())
+        {
+            if (st->expr(1))
+            {
+                TransformRightPart(st, st->expr(1), arrayToVariable, variableNumber);
+            }
+            if (st->expr(0) && st->expr(0)->variant() == ARRAY_REF && CheckConstIndexes(st->expr(0)->lhs()) && arrayToVariable.find(st->expr(0)->unparse()) != arrayToVariable.end())
+                TransformLeftPart(st, st->expr(0), arrayToVariable, variableNumber);
+        }
+        st = st->lexPrev();
+    }
+}
+
+static void CheckVariable(SgStatement* st, SgExpression* exp, unordered_map<string, SgExpression*>& arrayToVariable, int& variableNumber)
+{
+    SgStatement* firstStatement = declPlace->lexPrev();
+    st = st->lexPrev();
+    string varName = exp->unparse();
+    while (st != firstStatement)
+    {
+        if (st->variant() == ASSIGN_STAT && st->expr(0)->symbol() == exp->symbol())
+        {
+            TransformRightPart(st, st->expr(1), arrayToVariable, variableNumber);
+            positionsToAdd.insert(declPlace);
+        }
+        if (st->variant() == ASSIGN_STAT && arrayToVariable.find(st->expr(0)->unparse()) != arrayToVariable.end())
+        {
+            if (st->expr(1))
+            {
+                TransformRightPart(st, st->expr(1), arrayToVariable, variableNumber);
+                positionsToAdd.insert(declPlace);
+            }
+            if (st->expr(0) && st->expr(0)->variant() == ARRAY_REF && CheckConstIndexes(st->expr(0)->lhs()) && arrayToVariable.find(st->expr(0)->unparse()) != arrayToVariable.end())
+            {
+                TransformLeftPart(st, st->expr(0), arrayToVariable, variableNumber);
+                positionsToAdd.insert(declPlace);
+            }
+        }
+        st = st->lexPrev();
+    }
 }
 
 void ArrayConstantPropagation(SgProject& project) 
@@ -252,7 +323,7 @@ void ArrayConstantPropagation(SgProject& project)
 
         if (!file)
             continue;
-
+        SgFile::switchToFile(file->filename());
         const int funcNum = file->numberOfFunctions();
         for (int i = 0; i < funcNum; ++i)
         {
@@ -262,40 +333,48 @@ void ArrayConstantPropagation(SgProject& project)
 
             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)
+                if (st->variant() == FOR_NODE)
                 {
                     SgExpression* lowerBound = st->expr(0)->lhs();
                     SgExpression* upperBound = st->expr(0)->rhs();
+                    SgStatement* boundCopy = NULL;
                     string lowerBoundUnparsed = lowerBound->unparse(), upperBoundUnparsed = upperBound->unparse();
                     if (upperBound->variant() == ARRAY_REF && upperBound->symbol()->type()->baseType() && CheckConstIndexes(upperBound->lhs()))
                     {
-                        if (arrayToVariable.find(upperBoundUnparsed) == arrayToVariable.end())
-                        {
-                            arrayToVariable[upperBoundUnparsed] = CreateVar(variableNumber, upperBound->symbol()->type()->baseType());
-                        }
+                        boundCopy = st->copyPtr();
+                        TransformBorder(st, upperBound, arrayToVariable, variableNumber);
                         st->expr(0)->setRhs(arrayToVariable[upperBoundUnparsed]->copyPtr());
+                        expToChange[st->fileName()].push_back({ st ,boundCopy });;
+                        positionsToAdd.insert(declPlace);
                     }
+                    else if (upperBound->variant() == VAR_REF)
+                        CheckVariable(st, upperBound, arrayToVariable, variableNumber);
+
                     if (lowerBound->variant() == ARRAY_REF && lowerBound->symbol()->type()->baseType() && CheckConstIndexes(lowerBound->lhs()))
                     {
-                        if (arrayToVariable.find(lowerBoundUnparsed) == arrayToVariable.end())
-                        {
-                            arrayToVariable[lowerBoundUnparsed] = CreateVar(variableNumber, lowerBound->symbol()->type()->baseType());
-                        }
+                        boundCopy = st->copyPtr();
+                        TransformBorder(st, lowerBound, arrayToVariable, variableNumber);
                         st->expr(0)->setLhs(arrayToVariable[lowerBoundUnparsed]->copyPtr());
+                        expToChange[st->fileName()].push_back({ st , boundCopy });;
+                        positionsToAdd.insert(declPlace);
+                    }
+                    else if (lowerBound->variant() == VAR_REF)
+                        CheckVariable(st, lowerBound, arrayToVariable, variableNumber);
                 }
             }
         }
     }
+    unordered_set<SgStatement*> funcStarts;
+    for (SgStatement* st : positionsToAdd)
+    {
+        SgFile::switchToFile(st->fileName());
+        SgStatement* scope = st->controlParent();
+        if (scope)
+            funcStarts.insert(scope);
+    }
+    for (const auto& st : funcStarts)
+    {
+        SgFile::switchToFile(st->fileName());
+        InsertCommonAndDeclsForFunction(st, variablesToAdd);
     }
 }

src/ArrayConstantPropagation/propagation.h

@@ -1,4 +1,20 @@
 #pragma once
 #include "../Utils/SgUtils.h"
 
+#include <string>
+#include <vector>
+
+using namespace std;
+
+struct ExprRestoreEntry
+{
+    enum Kind { kStatementExpr, kExprChild };
+    Kind kind;
+    SgStatement* stmt;
+    int stmtExprIndex;
+    SgExpression* parent;
+    bool childIsRhs;
+    SgExpression* savedCopy;
+};
+
 void ArrayConstantPropagation(SgProject& project);

src/CreateInterTree/CreateInterTree.cpp

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

src/GraphCall/graph_calls.cpp

@@ -723,7 +723,7 @@ static void fillIn(FuncInfo *currF, SgExpression *ex, const map<string, int> &pa
 {
     if (ex)
     {
-        if (!isInFuncPar && (ex->variant() == VAR_REF || isArrayRef(ex)))
+        if (!isInFuncPar && (ex->variant() == VAR_REF || ex->variant() == ARRAY_REF))
         {
             const char *name = ex->symbol()->identifier();
             if (name && name != string(""))
@@ -800,20 +800,47 @@ static void fillInOut(FuncInfo *currF, SgStatement *start, SgStatement *last, co
 
     static map<string, vector<int>> supportedKeyWordArg = { {"system_clock", { OUT_BIT, OUT_BIT, OUT_BIT } } };
 
-    map<string, int> parNames;
+    map<string, int> parNamesMain;
+    map<string, int> parNamesContains;
 
     for (int i = 0; i < currF->funcParams.identificators.size(); ++i)
-        parNames[currF->funcParams.identificators[i]] = i;
+        parNamesMain[currF->funcParams.identificators[i]] = i;
 
+    map<string, int>& parNames = parNamesMain;
+
+    bool isContainsFunctions = false;
     for (auto st = start; st != last; st = st->lexNext())
     {
-        if (st->variant() == CONTAINS_STMT)
-            break;
+        if (st->variant() == CONTAINS_STMT) {
+            isContainsFunctions = true;
+            continue;
+        }
+
+        if (isContainsFunctions) {
+            if (st->variant() == PROC_HEDR || st->variant() == FUNC_HEDR) {
+                parNamesContains = parNamesMain;
+                
+                SgProgHedrStmt* hedr = (SgProgHedrStmt*)st;
+
+                int numOfParams = hedr->numberOfParameters();
+                if (numOfParams > 0)
+                {
+                    for (int i = 0; i < numOfParams; ++i)
+                    {
+                        auto it = parNamesContains.find(hedr->parameter(i)->identifier());
+                        if (it != parNamesContains.end())
+                            parNamesContains.erase(it);
+                    }
+                }
+                parNames = parNamesContains;
+            }
+        }
 
         if (st->variant() == ENTRY_STAT)
             continue;
         
         if (isSgExecutableStatement(st) == NULL) {
+            if (!isContainsFunctions)
                 checkInTypeDescription(st->expr(0), currF, parNames);
             continue;
         }
@@ -821,8 +848,10 @@ static void fillInOut(FuncInfo *currF, SgStatement *start, SgStatement *last, co
         if (st->lineNumber() <= 0)
             continue;
 
-        if (activeOps.size() && activeOps.find(st) == activeOps.end())
-            continue;
+        //XXX: use parameters removing in block ... isContainsFunctions ...
+        //TODO need to use IR for parameters checking
+        /*if (activeOps.size() && activeOps.find(st) == activeOps.end())
+            continue; */
 
         if (st->variant() == ASSIGN_STAT)
         {
@@ -851,7 +880,7 @@ static void fillInOut(FuncInfo *currF, SgStatement *start, SgStatement *last, co
             for (auto ex = read->itemList(); ex; ex = ex->rhs())
             {
                 SgExpression* item = ex->lhs();
-                if (item->variant() == VAR_REF || isArrayRef(item))
+                if (item && (item->variant() == VAR_REF || item->variant() == ARRAY_REF))
                 {
                     string symb = "";
                     if (item->symbol())
@@ -872,7 +901,7 @@ static void fillInOut(FuncInfo *currF, SgStatement *start, SgStatement *last, co
                         if (item->rhs())
                             queue.push(item->rhs());
 
-                        if (item->variant() == VAR_REF || isArrayRef(item))
+                        if (item->variant() == VAR_REF || item->variant() == ARRAY_REF)
                         {
                             string symb = "";
                             if (item->symbol())

src/PrivateAnalyzer/private_arrays_search.cpp

@@ -1,3 +1,4 @@
+#include <algorithm>
 #include <map>
 #include <unordered_set>
 #include <unordered_map>
@@ -6,16 +7,26 @@
 #include <numeric>
 #include <iostream>
 
+#include "ArrayConstantPropagation/propagation.h"
+#include "CFGraph/CFGraph.h"
+#include "Distribution/Array.h"
+#include "graph_loops.h"
 #include "private_arrays_search.h"
 #include "range_structures.h"
 #include "region.h"
 #include "SgUtils.h"
-#include "graph_loops.h"
-#include "CFGraph/CFGraph.h"
 #include "utils.h"
+#include "Utils/AstWrapper.h"
 
 using namespace std;
 
+extern std::map<std::tuple<int, std::string, std::string>, std::pair<DIST::Array*, DIST::ArrayAccessInfo*>> declaredArrays;
+
+extern unordered_set<SgStatement*> statementsToRemove;
+extern unordered_map<string, vector<pair<SgStatement*, SgStatement*>>> expToChange;
+
+static unordered_set<Region*> collapsed;
+
 static void RemoveEmptyPoints(ArrayAccessingIndexes& container)
 {
     ArrayAccessingIndexes resultContainer;
@@ -30,10 +41,9 @@ static void RemoveEmptyPoints(ArrayAccessingIndexes& container)
                 points.push_back(arrayPoint);
         }
 
-        if (points.size() < accessingSet.GetElements().size() && !points.empty())
+        if (!points.empty())
             resultContainer[arrayName] = points;
-
-        if (points.empty())
+        else
             toRemove.insert(arrayName);
     }
 
@@ -49,41 +59,81 @@ static void Collapse(Region* region)
     if (region->getBasickBlocks().empty())
         return;
 
-    for (auto& [arrayName, arrayRanges] : region->getHeader()->array_out)
+    bool firstRegion = true;
+    for (Region* basickBlock : region->getBasickBlocks())
     {
-        for (Region* byBlock : region->getBasickBlocks())
+        if (basickBlock->getNextRegions().empty())
         {
-            AccessingSet intersection = byBlock->array_def[arrayName].Intersect(arrayRanges);
-            region->array_def[arrayName] = region->array_def[arrayName].Union(intersection);
+            if (firstRegion)
+            {
+                region->array_def = basickBlock->array_out;
+                firstRegion = false;
+            }
+            else
+            {
+                unordered_set<string> toErease;
+                for (auto& [arrayName, arrayRanges] : region->array_def)
+                {
+                    if (basickBlock->array_out.find(arrayName) != basickBlock->array_out.end())
+                        arrayRanges = arrayRanges.Intersect(basickBlock->array_out[arrayName]);
+                    else
+                    {
+                        arrayRanges = AccessingSet();
+                        toErease.insert(arrayName);
+                    }
+                }
+                for (string arrayName : toErease)
+                    region->array_def.erase(arrayName);
+            }
         }
     }
 
+    RegionInstruction instruction;
+    instruction.def = move(region->array_def);
+
+
     for (auto& byBlock : region->getBasickBlocks())
     {
-        for (auto& [arrayName, arrayRanges] : byBlock->array_use)
+        for (auto& instruction : byBlock->instructions)
         {
-            AccessingSet diff = byBlock->array_use[arrayName].Diff(byBlock->array_in[arrayName]);
+            for (auto& [arrayName, _] : instruction.use)
+            {
+                AccessingSet diff = instruction.use[arrayName].Diff(instruction.in[arrayName]);
                 region->array_use[arrayName] = region->array_use[arrayName].Union(diff);
             }
         }
+    }
 
-    ArrayAccessingIndexes useUnion;
+    ArrayAccessingIndexes useUnionB;
     for (auto& byBlock : region->getBasickBlocks())
-        for (auto& [arrayName, arrayRanges] : byBlock->array_use)
-            useUnion[arrayName] = useUnion[arrayName].Union(byBlock->array_use[arrayName]);
+        for (auto& instruction : byBlock->instructions)
+            for (auto& [arrayName, _] : instruction.use)
+                useUnionB[arrayName] = useUnionB[arrayName].Union(instruction.use[arrayName]);
 
-    region->array_priv = region->array_use;
+    for (auto& [arrayName, _] : useUnionB)
+        region->array_priv[arrayName] = useUnionB[arrayName].Diff(region->array_use[arrayName]);
+
+    instruction.use = move(region->array_use);
 
     for (Region* prevBlock : region->getHeader()->getPrevRegions())
+    {
         prevBlock->replaceInNextRegions(region, region->getHeader());
+        region->addPrevRegion(prevBlock);
+    }
 
     for (Region* nextBlock : region->getHeader()->getNextRegions())
+    {
         nextBlock->replaceInPrevRegions(region, region->getHeader());
+        region->addNextRegion(nextBlock);
+    }
+    region->instructions.push_back(instruction);
+
 }
 
 static void SolveDataFlowIteratively(Region* DFG)
 {
-    unordered_set<Region*> worklist(DFG->getBasickBlocks());
+    auto blocks = DFG->getBasickBlocks();
+    std::unordered_set<Region*> worklist(blocks.begin(), blocks.end());
     do
     {
         Region* b = *worklist.begin();
@@ -101,7 +151,7 @@ static void SolveDataFlowIteratively(Region* DFG)
                 if (prevBlock->array_out.empty())
                 {
                     newIn.clear();
-                    continue;
+                    break;
                 }
 
                 for (const auto& [arrayName, accessSet] : prevBlock->array_out)
@@ -137,21 +187,192 @@ static void SolveDataFlowIteratively(Region* DFG)
             b->array_out = newOut;
         else
             worklist.erase(b);
+    } while (!worklist.empty());
+}
+
+static void SolveForBasickBlock(Region* block)
+{
+    ArrayAccessingIndexes newIn;
+    bool flagFirst = true;
+    for (Region* prevBlock : block->getPrevRegions())
+    {
+        if (flagFirst)
+        {
+            newIn = prevBlock->array_out;
+            flagFirst = false;
+        }
+        else
+        {
+            if (prevBlock->array_out.empty())
+            {
+                newIn.clear();
+                break;
+            }
+
+            for (const auto& [arrayName, accessSet] : prevBlock->array_out)
+            {
+                if (newIn.find(arrayName) != newIn.end())
+                    newIn[arrayName] = newIn[arrayName].Intersect(accessSet);
+                else
+                    newIn[arrayName] = AccessingSet();
+            }
+        }
+    }
+
+    if (block->instructions.empty())
+        block->instructions.push_back(RegionInstruction());
+
+    block->instructions[0].in = move(newIn);
+
+    for (int i = 0; i < block->instructions.size(); i++)
+    {
+        auto& instruction = block->instructions[i];
+
+        if (i > 0)
+            instruction.in = block->instructions[i - 1].out;
+
+        ArrayAccessingIndexes newOut;
+        if (instruction.def.empty())
+            newOut = instruction.in;
+        else if (instruction.in.empty())
+            newOut = instruction.def;
+        else
+        {
+            for (auto& [arrayName, accessSet] : instruction.def)
+            {
+                if (instruction.in.find(arrayName) != instruction.in.end())
+                    newOut[arrayName] = instruction.def[arrayName].Union(instruction.in[arrayName]);
+                else
+                    newOut[arrayName] = accessSet;
+            }
+            for (auto& [arrayName, accessSet] : instruction.in)
+            {
+                if (newOut.find(arrayName) == newOut.end())
+                {
+                    newOut[arrayName] = accessSet;
+                }
+            }
+        }
+
+        instruction.out = move(newOut);
+    }
+    if (!block->instructions.empty())
+        block->array_out = block->instructions.back().out;
+}
+
+static void SolveDataFlowTopologically(Region* DFG)
+{
+    for (Region* b : DFG->getBasickBlocks())
+    {
+        collapsed.insert(b);
+        SolveForBasickBlock(b);
     }
-    while (!worklist.empty());
 }
 
 static void SolveDataFlow(Region* DFG)
 {
     if (!DFG)
         return;
-
-    SolveDataFlowIteratively(DFG);
     for (Region* subRegion : DFG->getSubRegions())
+    {
         SolveDataFlow(subRegion);
+        DFG->addBasickBlocks(subRegion);
+    }
+    vector<Region*>& blocks = DFG->getBasickBlocks();
+    auto pos = remove_if(blocks.begin(), blocks.end(), [](Region* r) { return collapsed.find(r) != collapsed.end(); });
+    blocks.erase(pos, blocks.end());
+    TopologySort(DFG->getBasickBlocks(), DFG->getHeader());
+    SolveDataFlowTopologically(DFG);
     Collapse(DFG);
 }
 
+static bool getArrayDeclaredDimensions(SgArrayRefExp* arrayRef, vector<uint64_t>& declaredDims)
+{
+    if (!arrayRef || !arrayRef->symbol() || !isSgArrayType(arrayRef->symbol()->type()))
+        return false;
+    SgArrayType* arrayType = (SgArrayType*)arrayRef->symbol()->type();
+    int dimCount = arrayType->dimension();
+    for (int i = 0; i < dimCount; i++)
+    {
+        SgExpression* sizeExpr = arrayType->sizeInDim(i);
+        SgConstantSymb* constValSymb = isSgConstantSymb(sizeExpr->symbol());
+        SgSubscriptExp* subscriptExpr = isSgSubscriptExp(sizeExpr);
+        uint64_t dimLength;
+        if (sizeExpr && sizeExpr->variant() == INT_VAL)
+            dimLength = stol(sizeExpr->unparse());
+        else if (constValSymb)
+            dimLength = stol(constValSymb->constantValue()->unparse());
+        else if (subscriptExpr)
+        {
+            dimLength = stol(subscriptExpr->rhs()->unparse()) - stol(subscriptExpr->lhs()->unparse());
+        }
+        else
+            return false;
+
+        if (dimLength == 0)
+            return false;
+        declaredDims.push_back(dimLength);
+    }
+    return true;
+}
+
+static DIST::Array* getDistArrayBySymbol(SgSymbol* arrSym)
+{
+    if (!arrSym)
+        return nullptr;
+    for (auto& [key, val] : declaredArrays)
+    {
+        DIST::Array* distArr = val.first;
+        if (!distArr)
+            continue;
+        Symbol* declSym = distArr->GetDeclSymbol();
+        if (!declSym)
+            continue;
+        SgSymbol* sgDecl = declSym->GetOriginal();
+        if (sgDecl && isEqSymbols(sgDecl, arrSym))
+            return distArr;
+    }
+    return nullptr;
+}
+
+static bool CheckDimensionLength(const AccessingSet& array)
+{
+    if (array.GetElements().empty())
+        return false;
+    size_t dimCount = array.GetElements()[0].size();
+    SgArrayRefExp* arrayRef = array.GetElements()[0][0].array;
+    if (!arrayRef || !arrayRef->symbol())
+        return false;
+
+    vector<uint64_t> declaredDims;
+    declaredDims.reserve(dimCount);
+
+    DIST::Array* distArr = getDistArrayBySymbol(arrayRef->symbol());
+    if (distArr && distArr->GetDimSize() == (int)dimCount)
+    {
+        const auto& sizes = distArr->GetSizes();
+        bool valid = true;
+        for (size_t i = 0; i < dimCount && valid; ++i)
+        {
+            int lo = sizes[i].first;
+            int hi = sizes[i].second;
+            if (lo > hi)
+                valid = false;
+            else
+                declaredDims.push_back((uint64_t)(hi - lo + 1));
+        }
+        if (valid && declaredDims.size() == dimCount)
+        {
+            vector<ArrayDimension> testArray(dimCount);
+            for (size_t i = 0; i < dimCount; i++)
+                testArray[i] = { 1, 1, declaredDims[i], nullptr };
+            return AccessingSet({ testArray }).Diff(array).GetElements().empty();
+        }
+    }
+
+    return false;
+}
+
 static void AddPrivateArraysToLoop(LoopGraph* loop, const ArrayAccessingIndexes& privates, set<SgStatement*>& insertedPrivates)
 {
     SgStatement* spfStat = new SgStatement(SPF_ANALYSIS_DIR);
@@ -159,8 +380,11 @@ static void AddPrivateArraysToLoop(LoopGraph* loop, const ArrayAccessingIndexes&
     spfStat->setFileName(loop->loop->fileName());
     SgExpression* toAdd = new SgExpression(EXPR_LIST, new SgExpression(ACC_PRIVATE_OP), NULL, NULL);
     set<SgSymbol*> arraysToInsert;
+    std::cout << "First bp\n";
     for (const auto& [_, accessingSet] : privates)
     {
+        if (!CheckDimensionLength(accessingSet))
+            continue;
         for (const auto& arrayElement : accessingSet.GetElements())
         {
             if (arrayElement.empty())
@@ -188,14 +412,14 @@ static void AddPrivateArraysToLoop(LoopGraph* loop, const ArrayAccessingIndexes&
         toAdd->setLhs(new SgVarRefExp(elem));
     }
 
-    if (arraysToInsert.size() == 0)
-        printInternalError(convertFileName(__FILE__).c_str(), __LINE__);
-
+    if (arraysToInsert.size() != 0)
+    {
         loop->loop->insertStmtBefore(*spfStat, *loop->loop->controlParent());
         insertedPrivates.insert(spfStat);
+    }
 }
 
-void FindPrivateArrays(map<string, vector<LoopGraph*>> &loopGraph, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR, set<SgStatement*> &insertedPrivates)
+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)
@@ -210,11 +434,19 @@ void FindPrivateArrays(map<string, vector<LoopGraph*>> &loopGraph, map<FuncInfo*
             while (search_func && (!isSgProgHedrStmt(search_func)))
                 search_func = search_func->controlParent();
 
-            for (const auto& [funcInfo, blocks]: FullIR)
+            for (const auto& [funcInfo, blocks] : FullIR)
             {
                 if (funcInfo->fileName == fileName && funcInfo->funcPointer->GetOriginal() == search_func)
                 {
-                    Region* loopRegion = new Region(loop, blocks);
+                    Region* loopRegion;
+                    try
+                    {
+                        loopRegion = new Region(loop, blocks);
+                    }
+                    catch (...)
+                    {
+                        continue;
+                    }
                     if (loopRegion->getBasickBlocks().size() <= 1)
                     {
                         delete(loopRegion);
@@ -226,9 +458,24 @@ void FindPrivateArrays(map<string, vector<LoopGraph*>> &loopGraph, map<FuncInfo*
                     delete(loopRegion);
                 }
             }
-
             if (result.find(loop) != result.end() && !result[loop].empty())
                 AddPrivateArraysToLoop(loop, result[loop], insertedPrivates);
         }
     }
+
+    for (SgStatement* st : statementsToRemove)
+    {
+        SgFile::switchToFile(st->fileName());
+        st->deleteStmt();
+    }
+
+    for (auto& [filename, statements] : expToChange)
+    {
+        SgFile::switchToFile(filename);
+        for (auto& [statement, statementCopy] : statements) 
+        {
+            statement->insertStmtBefore(*statementCopy, *statement->controlParent());
+            statement->deleteStmt();
+        }
+    }
 }

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 , dim1.array };
     return result;
 }
 
@@ -61,7 +61,7 @@ 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, dim1.array });
 
     /* add the parts between intersection steps */
     if (intersection->step > dim1.step)
@@ -70,7 +70,7 @@ static vector<ArrayDimension> DimensionDifference(const ArrayDimension& dim1, co
         uint64_t interValue = intersection->start;
         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});
+            result.push_back({ interValue + dim1.step, dim1.step, intersection->step / dim1.step, dim1.array });
             interValue += intersection->step;
         }
     }
@@ -132,8 +132,10 @@ static vector<ArrayDimension> ElementsIntersection(const vector<ArrayDimension>&
 static vector<vector<ArrayDimension>> ElementsDifference(const vector<ArrayDimension>& firstElement,
     const vector<ArrayDimension>& secondElement)
 {
-    if (firstElement.empty() || secondElement.empty())
+    if (firstElement.empty())
         return {};
+    if (secondElement.empty())
+        return { firstElement };
 
     vector<ArrayDimension> intersection = ElementsIntersection(firstElement, secondElement);
     vector<vector<ArrayDimension>> result;
@@ -188,7 +190,7 @@ bool AccessingSet::ContainsElement(const vector<ArrayDimension>& element) const
 {
     vector<vector<ArrayDimension>> tails;
     FindUncovered(element, tails);
-    return !tails.empty();
+    return tails.empty();
 }
 
 void AccessingSet::FindCoveredBy(const vector<ArrayDimension>& element, vector<vector<ArrayDimension>>& result) const
@@ -252,13 +254,15 @@ AccessingSet AccessingSet::Diff(const AccessingSet& secondSet) const
         return *this;
 
     AccessingSet intersection = this->Intersect(secondSet);
-    AccessingSet uncovered = *this;
-    vector<vector<ArrayDimension>> result;
-    for (const auto& element : intersection.GetElements())
+    vector<vector<ArrayDimension>> uncovered;
+    for (const auto& element : allElements)
     {
         vector<vector<ArrayDimension>> current_uncovered;
-        uncovered.FindUncovered(element, current_uncovered);
-        uncovered = AccessingSet(current_uncovered);
+        intersection.FindUncovered(element, current_uncovered);
+        uncovered.insert(uncovered.end(),
+            std::move_iterator(current_uncovered.begin()),
+            std::move_iterator(current_uncovered.end())
+        );
     }
     return uncovered;
 }

src/PrivateAnalyzer/region.cpp

@@ -1,14 +1,14 @@
-#include<vector>
-#include<map>
-#include<unordered_set>
-#include<unordered_map>
-#include<string>
+#include <algorithm>
+#include <vector>
+#include <map>
+#include <unordered_set>
+#include <unordered_map>
+#include <string>
 #include <numeric>
 #include <iostream>
 
 #include "range_structures.h"
 #include "region.h"
-
 #include "SgUtils.h"
 
 using namespace std;
@@ -93,7 +93,7 @@ static string FindIndexName(int pos, SAPFOR::BasicBlock* block, map<string, Loop
     return "";
 }
 
-static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAccessingIndexes& def, ArrayAccessingIndexes& use) {
+static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAccessingIndexes& def, ArrayAccessingIndexes& use, Region* region) {
     auto instructions = block->getInstructions();
     map<string, LoopGraph*> loopForIndex;
     BuildLoopIndex(loopForIndex, loop);
@@ -123,7 +123,11 @@ static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAcces
                     }
 
                     if (point.size() == dimCount)
-                        def[instruction->getInstruction()->getResult()->getValue()] = AccessingSet({point});
+                    {
+                        def[instruction->getInstruction()->getResult()->getValue()] = AccessingSet({ point });
+                        RegionInstruction regionInstruction;
+                        regionInstruction.def[instruction->getInstruction()->getResult()->getValue()] = AccessingSet({ point });
+                    }
                 }
             }
         }
@@ -146,15 +150,31 @@ static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAcces
             vector<ArrayDimension> accessPoint(n);
 
             auto* ref = isSgArrayRefExp(instruction->getInstruction()->getExpression());
+            if (!ref)
+                continue;
             int fillCount = 0;
 
-            while (!index_vars.empty() && !refPos.empty())
+            vector<pair<int, int>> coeffsForDims;
+            int subs = ref->numberOfSubscripts();
+            for (int i = 0; ref && i < ref->numberOfSubscripts(); ++i)
+            {
+                const vector<int*>& coeffs = getAttributes<SgExpression*, int*>(ref->subscript(i), set<int>{ INT_VAL });
+                if (coeffs.size() == 1)
+                {
+                    const pair<int, int> coef(coeffs[0][0], coeffs[0][1]);
+                    coeffsForDims.push_back(coef);
+                }
+
+            }
+            coeffsForDims = { coeffsForDims.rbegin(), coeffsForDims.rend() };
+
+            while (!index_vars.empty() && !refPos.empty() && !coeffsForDims.empty())
             {
                 auto var = index_vars.back();
                 int currentVarPos = refPos.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, ref };
                 else
                 {
                     string name, full_name = var->getValue();
@@ -180,27 +200,42 @@ static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAcces
                             return -1;
                     }
 
-                    uint64_t start = currentLoop->startVal;
+                    uint64_t start = coeffsForDims.back().second * currentLoop->startVal + coeffsForDims.back().first;
                     uint64_t step = currentLoop->stepVal;
                     uint64_t iters = currentLoop->calculatedCountOfIters;
                     current_dim = { start, step, iters, ref };
                 }
 
-                if (current_dim.start != 0 && current_dim.step != 0 && current_dim.tripCount != 0)
+                if (current_dim.step != 0 && current_dim.tripCount != 0)
                 {
                     accessPoint[n - index_vars.size()] = current_dim;
                     fillCount++;
                 }
                 index_vars.pop_back();
                 refPos.pop_back();
+                coeffsForDims.pop_back();
             }
 
             if (fillCount == accessPoint.size())
             {
+                RegionInstruction instruction;
                 if (operation == SAPFOR::CFG_OP::STORE)
+                {
                     def[array_name].Insert(accessPoint);
+                    instruction.def[array_name] = { { accessPoint } };
+                }
                 else
+                {
+                    instruction.use[array_name] = { { accessPoint } };
+                    if (def.find(array_name) == def.end())
                         use[array_name].Insert(accessPoint);
+                    else
+                    {
+                        AccessingSet element({ accessPoint });
+                        use[array_name] = use[array_name].Union(element.Diff(def[array_name]));
+                    }
+                }
+                region->instructions.push_back(instruction);
             }
         }
     }
@@ -208,6 +243,58 @@ static int GetDefUseArray(SAPFOR::BasicBlock* block, LoopGraph* loop, ArrayAcces
 
 }
 
+static void RemoveHeaderConnection(SAPFOR::BasicBlock* header, const unordered_set<SAPFOR::BasicBlock*>& blockSet, unordered_map<SAPFOR::BasicBlock*, Region*>& bbToRegion)
+{
+    for (SAPFOR::BasicBlock* block : blockSet)
+    {
+        bool isCycleBlock = false;
+        for (SAPFOR::BasicBlock* prevBlock : block->getPrev())
+            isCycleBlock = isCycleBlock || (blockSet.find(prevBlock) != blockSet.end());
+
+        if (isCycleBlock)
+        {
+            bbToRegion[block]->removeNextRegion(bbToRegion[header]);
+            bbToRegion[header]->removePrevRegion(bbToRegion[block]);
+        }
+    }
+}
+
+static void DFS(Region* block, vector<Region*>& result, unordered_set<Region*> cycleBlocks)
+{
+    for (Region* nextBlock : block->getNextRegions())
+    {
+        if (cycleBlocks.find(nextBlock) != cycleBlocks.end())
+            DFS(nextBlock, result, cycleBlocks);
+    }
+    result.push_back(block);
+}
+
+bool HasCycle(Region* block, const std::unordered_set<Region*>& cycleBlocks, std::unordered_set<Region*>& visitedBlocks)
+{
+    if (visitedBlocks.find(block) != visitedBlocks.end())
+        return true;
+    visitedBlocks.insert(block);
+    for (Region* nextBlock : block->getNextRegions())
+    {
+        if (cycleBlocks.find(nextBlock) != cycleBlocks.end() && HasCycle(nextBlock, cycleBlocks, visitedBlocks))
+            return true;
+    }
+    return false;
+}
+
+bool TopologySort(std::vector<Region*>& basikBlocks, Region* header)
+{
+    unordered_set<Region*> cycleBlocks(basikBlocks.begin(), basikBlocks.end());
+    unordered_set<Region*> visitedBlocks;
+    if (HasCycle(header, cycleBlocks, visitedBlocks))
+        return false;
+    vector<Region*> result;
+    DFS(header, result, cycleBlocks);
+    reverse(result.begin(), result.end());
+    basikBlocks = move(result);
+    return true;
+}
+
 static void SetConnections(unordered_map<SAPFOR::BasicBlock*, Region*>& bbToRegion, const unordered_set<SAPFOR::BasicBlock*>& blockSet)
 {
     for (SAPFOR::BasicBlock* block : blockSet)
@@ -222,10 +309,11 @@ static void SetConnections(unordered_map<SAPFOR::BasicBlock*, Region*>& bbToRegi
     }
 }
 
-static Region* CreateSubRegion(LoopGraph* loop, const vector<SAPFOR::BasicBlock*>& Blocks, const unordered_map<SAPFOR::BasicBlock*, Region*>& bbToRegion)
+static Region* CreateSubRegion(LoopGraph* loop, const vector<SAPFOR::BasicBlock*>& Blocks, unordered_map<SAPFOR::BasicBlock*, Region*>& bbToRegion)
 {
     Region* region = new Region;
     auto [header, blockSet] = GetBasicBlocksForLoop(loop, Blocks);
+    RemoveHeaderConnection(header, blockSet, bbToRegion);
     if (bbToRegion.find(header) != bbToRegion.end())
         region->setHeader(bbToRegion.at(header));
     else
@@ -244,6 +332,8 @@ static Region* CreateSubRegion(LoopGraph* loop, const vector<SAPFOR::BasicBlock*
             continue;
         region->addSubRegions(CreateSubRegion(childLoop, Blocks, bbToRegion));
     }
+    if (!TopologySort(region->getBasickBlocks(), region->getHeader()))
+        throw std::runtime_error("Unnoticed cycle");
     return region;
 }
 
@@ -254,12 +344,13 @@ Region::Region(LoopGraph* loop, const vector<SAPFOR::BasicBlock*>& Blocks)
     for (auto poiner : blockSet)
     {
         bbToRegion[poiner] = new Region(*poiner);
-        this->basickBlocks.insert(bbToRegion[poiner]);
-        GetDefUseArray(poiner, loop, bbToRegion[poiner]->array_def, bbToRegion[poiner]->array_use);
+        this->basickBlocks.push_back(bbToRegion[poiner]);
+        GetDefUseArray(poiner, loop, bbToRegion[poiner]->array_def, bbToRegion[poiner]->array_use, bbToRegion[poiner]);
 
     }
     this->header = bbToRegion[header];
     SetConnections(bbToRegion, blockSet);
+    RemoveHeaderConnection(header, blockSet, bbToRegion);
     //create subRegions
     for (LoopGraph* childLoop : loop->children)
     {
@@ -267,4 +358,6 @@ Region::Region(LoopGraph* loop, const vector<SAPFOR::BasicBlock*>& Blocks)
             continue;
         subRegions.insert(CreateSubRegion(childLoop, Blocks, bbToRegion));
         }
+    if (!TopologySort(basickBlocks, this->header))
+        throw std::runtime_error("Unnoticed cycle");
 }

src/PrivateAnalyzer/region.h

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

src/Sapfor.cpp

@@ -1,4 +1,4 @@
-#include "Utils/leak_detector.h"
+#include "Utils/leak_detector.h"
 
 #pragma comment(linker, "/STACK:536870912") // 512 МБ
 
@@ -943,7 +943,7 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
             }
         }
         else if (curr_regime == MOVE_OPERATORS)        
-            moveOperators(file, loopGraph, fullIR, countOfTransform);        
+            moveOperators(file, fullIR, countOfTransform);
         else if (curr_regime == PRIVATE_REMOVING_ANALYSIS)
         {
             auto itFound = loopGraph.find(file->filename());

src/Transformations/FunctionInlining/inliner.cpp

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

src/Transformations/MoveOperators/move_operators.h

@@ -3,4 +3,4 @@
 #include "../../GraphLoop/graph_loops.h"
 #include "../../CFGraph/CFGraph.h"
 
-void moveOperators(SgFile *file, std::map<std::string, std::vector<LoopGraph*>>& loopGraph, const std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR, int& countOfTransform);
+void moveOperators(SgFile* file, const std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR, int& countOfTransform);

src/Transformations/ReplaceArraysInIO/replace_dist_arrays_in_io.cpp

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

src/Utils/PassManager.h

@@ -318,7 +318,7 @@ 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({ ARRAY_PROPAGATION, CALL_GRAPH2, CALL_GRAPH, BUILD_IR, LOOP_GRAPH, LOOP_ANALYZER_DATA_DIST_S2 }) <= Pass(FIND_PRIVATE_ARRAYS_ANALYSIS);
     list({ FIND_PRIVATE_ARRAYS_ANALYSIS, CONVERT_LOOP_TO_ASSIGN, RESTORE_LOOP_FROM_ASSIGN, REVERT_SUBST_EXPR_RD }) <= Pass(FIND_PRIVATE_ARRAYS);
 
     list({ BUILD_IR, CALL_GRAPH2, RESTORE_LOOP_FROM_ASSIGN, REVERT_SUBST_EXPR_RD }) <= Pass(MOVE_OPERATORS);

src/Utils/SgUtils.cpp

@@ -577,10 +577,20 @@ string removeIncludeStatsAndUnparse(SgFile *file, const char *fileName, const ch
                 for (auto& incl : inclByPos.second)
                     inlcude += (renameIncludes ? renameInclude(incl) : incl);
 
-            if (st->comments())
-                st->setComments((inlcude + st->comments()).c_str());
+            //check inserted operators
+            SgStatement* toInsert = st;
+            do {
+                auto lexPrev = toInsert->lexPrev();
+                if (lexPrev && lexPrev->variant() > 0 && lexPrev->lineNumber() < 0)
+                    toInsert = lexPrev;
                 else
-                st->addComment(inlcude.c_str());
+                    break;                
+            } while (true);
+
+            if (toInsert->comments())
+                toInsert->setComments((inlcude + toInsert->comments()).c_str());
+            else
+                toInsert->addComment(inlcude.c_str());
         }
     }
 
@@ -648,7 +658,7 @@ string removeIncludeStatsAndUnparse(SgFile *file, const char *fileName, const ch
 
                 if (wasDeleted)
                 {
-                    if (str.size() || str.back() != '\n')
+                    if (str.size() && str.back() != '\n')
                         str += '\n';
                     st->setComments(str.c_str());
                 }

src/Utils/version.h

@@ -1,3 +1,3 @@
 #pragma once
 
-#define VERSION_SPF "2465"
+#define VERSION_SPF "2476"