moved to transformations

.gitignore

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

CMakeLists.txt

@@ -33,6 +33,7 @@ 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})
@@ -202,6 +203,8 @@ set(TR_INLINER src/Transformations/FunctionInlining/inliner.cpp
         src/Transformations/FunctionInlining/inliner.h)
 set(TR_RENAME_SYMBOLS  src/Transformations/RenameSymbols/rename_symbols.cpp
                     src/Transformations/RenameSymbols/rename_symbols.h)
+SET(TR_SWAP_OPERATORS src/Transformations/SwapOperators/swap_operators.cpp
+        src/Transformations/SwapOperators/swap_operators.h)
 
 set(TRANSFORMS 
         ${TR_DEAD_CODE}
@@ -224,7 +227,8 @@ set(TRANSFORMS
         ${TR_REPLACE_ARRAYS_IN_IO}
         ${TR_EXPR_TRANSFORM}
         ${TR_INLINER}
-        ${TR_RENAME_SYMBOLS})
+        ${TR_RENAME_SYMBOLS}
+        ${TR_SWAP_OPERATORS})
         
 set(CFG src/CFGraph/IR.cpp
         src/CFGraph/IR.h
@@ -457,6 +461,7 @@ source_group (Transformations\\GlobalVariables FILES ${TR_GV})
 source_group (Transformations\\ConvertToC FILES ${TR_CONV})
 source_group (Transformations\\SetImplicitNone FILES ${TR_IMPLICIT_NONE})
 source_group (Transformations\\ReplaceArraysInIO FILES ${TR_REPLACE_ARRAYS_IN_IO})
+source_group (Transformations\\SwapOperators FILES ${TR_SWAP_OPERATORS})
 
 
 source_group (CreateIntervals FILES ${CREATE_INTER_T})

src/DirectiveProcessing/directive_creator.cpp

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

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;
 
@@ -794,154 +794,6 @@ 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();
@@ -1172,7 +1024,7 @@ static bool isPure(SgStatement* func)
 
 void DvmhRegionInserter::createInterfaceBlockForOutCall(FuncInfo* func, FuncInfo* callFrom)
 {
-    insertInterface(func->funcPointer, getInterfaceBlock(callFrom->funcPointer->GetOriginal(), callFrom->funcParams), callFrom->funcName);
+    insertInterface(func->funcPointer, callFrom);
 }
 
 void DvmhRegionInserter::createInterfaceBlockForParallelFunctions(bool onlyRoutine)
@@ -1457,7 +1309,7 @@ static set<DIST::Array*>
                     }
                     else
                     {
-                        declStat = getFuncStat(declStat);
+                        declStat = getFuncStat(declStat, { BLOCK_DATA });
                         if (declStat != main)
                         {
                             declStat = NULL;

src/GraphCall/graph_calls.cpp

@@ -779,6 +779,20 @@ 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)
@@ -799,7 +813,12 @@ static void fillInOut(FuncInfo *currF, SgStatement *start, SgStatement *last, co
         if (st->variant() == ENTRY_STAT)
             continue;
         
-        if (isSgExecutableStatement(st) == NULL || st->lineNumber() <= 0)
+        if (isSgExecutableStatement(st) == NULL) {
+            checkInTypeDescription(st->expr(0), currF, parNames);
+            continue;
+        }
+
+        if (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 "../Transformations/VectorAssignToLoop/array_assign_to_loop.h"
+#include "VectorAssignToLoop/array_assign_to_loop.h"
 
 using std::vector;
 using std::map;

src/LoopAnalyzer/loop_analyzer.cpp

@@ -48,7 +48,7 @@ extern int passDone;
 #include "../VisualizerCalls/get_information.h"
 #include "../VisualizerCalls/SendMessage.h"
 
-#include "../Transformations/LoopEndDoConverter/enddo_loop_converter.h"
+#include "LoopEndDoConverter/enddo_loop_converter.h"
 
 #include "../DirectiveProcessing/remote_access.h"
 #include "../DirectiveProcessing/directive_omp_parser.h"

src/ParallelizationRegions/resolve_par_reg_conflicts.cpp

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

src/Sapfor.cpp

@@ -89,6 +89,7 @@
 #include "Transformations/DeadCodeRemoving/dead_code.h"
 #include "Transformations/RenameSymbols/rename_symbols.h"
 #include "Transformations/FunctionInlining/inliner.h"
+#include "Transformations/SwapOperators/swap_operators.h"
 
 #include "ProjectParameters/projectParameters.h"
 
@@ -939,6 +940,8 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
                     internalExit = err;
             }
         }
+        else if (curr_regime == SWAP_OPERATORS)        
+            runSwapOperators(file, loopGraph, fullIR, countOfTransform);        
         else if (curr_regime == PRIVATE_REMOVING_ANALYSIS)
         {
             auto itFound = loopGraph.find(file->filename());
@@ -1037,7 +1040,8 @@ static bool runAnalysis(SgProject &project, const int curr_regime, const bool ne
                           PRIVATE_REMOVING,
                           PRIVATE_ARRAYS_EXPANSION, 
                           PRIVATE_ARRAYS_SHRINKING,
-                          REMOVE_DEAD_CODE };
+                          REMOVE_DEAD_CODE,
+                          SWAP_OPERATORS };
 
     if ((countOfTransform == 0 || internalExit > 0) && applyFor.find(curr_regime) != applyFor.end())
     {
@@ -1281,7 +1285,6 @@ 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);
@@ -2331,6 +2334,7 @@ void runPass(const int curr_regime, const char *proj_name, const char *folderNam
     case INSERT_NO_DISTR_FLAGS_FROM_GUI:
     case PRIVATE_REMOVING:
     case RENAME_INLCUDES:
+    case SWAP_OPERATORS:
         runAnalysis(*project, curr_regime, true, "", folderName);
         break;
     case INLINE_PROCEDURES:
@@ -2632,7 +2636,10 @@ int main(int argc, char **argv)
         }
 
         if (curr_regime == INSERT_PARALLEL_DIRS_NODIST)
+        {
             ignoreArrayDistributeState = true;
+            sharedMemoryParallelization = 1;
+        }
 
         if (runAsClient)
         {

src/Sapfor.h

@@ -122,6 +122,8 @@ enum passes {
     CREATE_INTER_TREE,
     INSERT_INTER_TREE,
 
+    SWAP_OPERATORS,
+
     SHADOW_GROUPING,
     INLINE_PROCEDURES,
     FILL_PARALLEL_REG_IR,
@@ -317,6 +319,7 @@ static void setPassValues()
     passNames[CHECK_PAR_REG_DIR] = "CHECK_PAR_REG_DIR";
     passNames[CREATE_INTER_TREE] = "CREATE_INTER_TREE";
     passNames[INSERT_INTER_TREE] = "INSERT_INTER_TREE";
+    passNames[SWAP_OPERATORS] = "SWAP_OPERATORS";
     passNames[CREATE_PARALLEL_REGIONS] = "CREATE_PARALLEL_REGIONS";
     passNames[PRIVATE_REMOVING_ANALYSIS] = "PRIVATE_REMOVING_ANALYSIS";
     passNames[PRIVATE_REMOVING] = "PRIVATE_REMOVING";

src/Transformations/FunctionPurifying/function_purifying.cpp

@@ -210,7 +210,8 @@ static vector<FuncInfo*> sortByName(const T &funcs)
     return funcList;
 }
 
-void createInterfacesForAssumedSize(const map<string, vector<FuncInfo*>>& allFuncInfo)
+//XXX: incorrect!!
+/*void createInterfacesForAssumedSize(const map<string, vector<FuncInfo*>>& allFuncInfo)
 {
     set<FuncInfo*> hasAssumedSizeArrays;
 
@@ -295,7 +296,7 @@ void createInterfacesForAssumedSize(const map<string, vector<FuncInfo*>>& allFun
                 removeExternalStat(prog, addedInterfaceFor);
         }       
     }
-}
+}*/
 
 static void setPureStatus(FuncInfo* func)
 {
@@ -1388,6 +1389,37 @@ 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();
@@ -1395,22 +1427,21 @@ 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> ident(pars.identificators.begin(), pars.identificators.end());
+    const set<string> idents(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)
             {
-                SgStatement* next = st->lexNext();
-                st->extractStmt();
-                st = next;
+                toExtract.push_back(st);
+                st = st->lexNext();
             }
             else
                 st = st->lexNext();
@@ -1431,31 +1462,20 @@ static string getInterfaceBlock(SgStatement* func, const FuncParam& pars)
     st = copy->lexNext();
     while (st != last)
     {
-        if (st->variant() == VAR_DECL
-            || st->variant() == VAR_DECL_90
-            || st->variant() == DIM_STAT
-            || st->variant() == INTENT_STMT)
-        {
-            SgExpression* list = st->expr(0);
-            vector<SgExpression*> newList;
-            while (list)
-            {
-                if (ident.find(list->lhs()->symbol()->identifier()) != ident.end())
-                    newList.push_back(list->lhs());
-                list = list->rhs();
-            }
+        const int var = st->variant();
 
-            if (newList.size() == 0)
+        if (var == VAR_DECL || var == VAR_DECL_90 || var == DIM_STAT ||
+            var == INTENT_STMT || var == EXTERN_STAT)
+        {
+            bool empty = filterFromList(st, idents);
+            if (empty)
             {
-                SgStatement* next = st->lexNext();
                 toExtract.push_back(st);
-                st = next;
+                st = st->lexNext();
                 continue;
             }
-            else
-                st->setExpression(0, makeExprList(newList));
         }
-        else
+        else if (!isDVM_stat(st) && !isSPF_stat(st))
             toExtract.push_back(st);
 
         if (st->variant() == CONTAINS_STMT)
@@ -1466,16 +1486,56 @@ static string getInterfaceBlock(SgStatement* func, const FuncParam& pars)
     for (auto& elem : toExtract)
         elem->extractStmt();
 
-    string retVal = copy->unparse();
+    string codeString = 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;
 }
 
-static void insertInterface(SgStatement* func, const string& iface)
+void insertInterface(SgStatement* func, const FuncInfo *callFrom)
 {
+    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__);
@@ -1484,6 +1544,18 @@ static void insertInterface(SgStatement* func, const string& iface)
     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();
@@ -1491,7 +1563,7 @@ static void insertInterface(SgStatement* func, const string& iface)
     SgStatement* ifaceBlock = new SgStatement(INTERFACE_STMT);
     addControlEndToStmt(ifaceBlock->thebif);
 
-    ifaceBlock->setlineNumber(st->lineNumber());
+    ifaceBlock->setlineNumber(getNextNegativeLineNumber());
     ifaceBlock->setFileName(st->fileName());
     st->insertStmtBefore(*ifaceBlock, *st->controlParent());
     ifaceBlock->lastNodeOfStmt()->addComment(iface.c_str());
@@ -1507,7 +1579,7 @@ static void createInterfaceBlockForToCalls(FuncInfo* func)
         if (callTo->interfaceBlocks.find(func->funcName) == callTo->interfaceBlocks.end())
         {
             callTo->interfaceBlocks[func->funcName] = func;
-            insertInterface(callTo->funcPointer, getInterfaceBlock(func->funcPointer->GetOriginal(), func->funcParams));
+            insertInterface(callTo->funcPointer, func);
         }
     }
 }

src/Transformations/FunctionPurifying/function_purifying.h

@@ -6,7 +6,6 @@ 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);
@@ -14,3 +13,5 @@ void setPureStatus(const std::map<std::string, std::vector<FuncInfo*>>& allFuncI
 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 insertInterface(SgStatement* func, const FuncInfo* callFrom);

src/Transformations/SwapOperators/swap_operators.cpp

@@ -0,0 +1,353 @@
+#include <map>
+#include <unordered_set>
+#include <vector>
+#include <queue>
+#include <iostream>
+
+#include "../../Utils/errors.h"
+#include "../../Utils/SgUtils.h"
+#include "../../GraphCall/graph_calls.h"
+#include "../../GraphCall/graph_calls_func.h"
+#include "../../CFGraph/CFGraph.h"
+#include "../../CFGraph/IR.h"
+#include "../../GraphLoop/graph_loops.h"
+#include "swap_operators.h"
+
+using namespace std;
+
+
+unordered_set<int> loop_tags = {FOR_NODE/*, FORALL_NODE, WHILE_NODE, DO_WHILE_NODE*/};
+unordered_set<int> importantDepsTags = {FOR_NODE, IF_NODE};
+unordered_set<int> importantUpdDepsTags = {ELSEIF_NODE};
+unordered_set<int> importantEndTags = {CONTROL_END};
+
+
+vector<SAPFOR::IR_Block*> findInstructionsFromOperator(SgStatement* st, vector<SAPFOR::BasicBlock*> Blocks)
+{
+    vector<SAPFOR::IR_Block*> result;
+    string filename = st -> fileName();
+    for (auto& block: Blocks)
+    {
+        vector<SAPFOR::IR_Block*> instructionsInBlock = block -> getInstructions();
+        for (auto& instruction: instructionsInBlock)
+        {
+            SgStatement* curOperator = instruction -> getInstruction() -> getOperator();
+            if (curOperator -> lineNumber() == st -> lineNumber())
+                result.push_back(instruction);
+        }
+    }
+    return result;
+}
+
+vector<SAPFOR::BasicBlock*> findFuncBlocksByFuncStatement(SgStatement *st, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR)
+{
+    vector<SAPFOR::BasicBlock*> result;
+    Statement* forSt = (Statement*)st;
+    for (auto& func: FullIR)
+    {
+        if (func.first -> funcPointer -> getCurrProcessFile() == forSt -> getCurrProcessFile()
+            && func.first -> funcPointer -> lineNumber() == forSt -> lineNumber())
+            result = func.second;
+    }
+    return result;
+}
+
+map<SgForStmt*, vector<SAPFOR::BasicBlock*>> findAndAnalyzeLoops(SgStatement *st, vector<SAPFOR::BasicBlock*> blocks)
+{
+    map<SgForStmt*, vector<SAPFOR::BasicBlock*>> result;
+    SgStatement *lastNode = st->lastNodeOfStmt();
+    while (st && st != lastNode)
+    {
+        if (loop_tags.find(st -> variant()) != loop_tags.end())
+        {
+            // part with find statements of loop
+            SgForStmt *forSt = (SgForStmt*)st;
+            SgStatement *loopBody = forSt -> body();
+            SgStatement *lastLoopNode = st->lastNodeOfStmt();
+            // part with find blocks and instructions of loops
+            unordered_set<int> blocks_nums;
+            while (loopBody && loopBody != lastLoopNode)
+            {
+                SAPFOR::IR_Block* IR = findInstructionsFromOperator(loopBody, blocks).front();
+                if (blocks_nums.find(IR -> getBasicBlock() -> getNumber()) == blocks_nums.end())
+                {
+                    result[forSt].push_back(IR -> getBasicBlock());
+                    blocks_nums.insert(IR -> getBasicBlock() -> getNumber());
+                }
+                loopBody = loopBody -> lexNext();
+            }
+            std::sort(result[forSt].begin(), result[forSt].end());
+        }
+        st = st -> lexNext();
+    }
+    return result;
+}
+
+map<SgStatement*, set<SgStatement*>> AnalyzeLoopAndFindDeps(SgForStmt* forStatement, vector<SAPFOR::BasicBlock*> loopBlocks, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR)
+{
+    map<SgStatement*, set<SgStatement*>> result;
+    for (SAPFOR::BasicBlock* bb: loopBlocks)
+    {
+        map<SAPFOR::Argument*, set<int>> blockReachingDefinitions = bb -> getRD_In();
+        vector<SAPFOR::IR_Block*> instructions = bb -> getInstructions();
+        for (SAPFOR::IR_Block* irBlock: instructions)
+        {
+            // TODO: Think about what to do with function calls and array references. Because there are also dependencies there that are not reflected in RD, but they must be taken into account
+            SAPFOR::Instruction* instr = irBlock -> getInstruction();
+            result[instr -> getOperator()];
+            // take Argument 1 and it's RD and push operators to final set
+            if (instr -> getArg1() != NULL)
+            {
+                SAPFOR::Argument* arg = instr -> getArg1();
+                set<int> prevInstructionsNumbers = blockReachingDefinitions[arg];
+                for (int i: prevInstructionsNumbers)
+                {
+                    SAPFOR::Instruction* foundInstruction = getInstructionAndBlockByNumber(FullIR, i).first;
+                    if (foundInstruction != NULL)
+                    {
+                        SgStatement* prevOp = foundInstruction -> getOperator();
+                        if (prevOp != forStatement && instr -> getOperator() != forStatement && instr -> getOperator() -> lineNumber() > prevOp -> lineNumber()
+                            && prevOp -> lineNumber() > forStatement -> lineNumber())
+                            result[instr -> getOperator()].insert(prevOp);
+                    }
+                }
+            }
+            // take Argument 2 (if exists) and it's RD and push operators to final set
+            if (instr -> getArg2() != NULL)
+            {
+                SAPFOR::Argument* arg = instr -> getArg2();
+                set<int> prevInstructionsNumbers = blockReachingDefinitions[arg];
+                for (int i: prevInstructionsNumbers)
+                {
+                    SAPFOR::Instruction* foundInstruction = getInstructionAndBlockByNumber(FullIR, i).first;
+                    if (foundInstruction != NULL)
+                    {
+                        SgStatement* prevOp = foundInstruction -> getOperator();
+                        if (prevOp != forStatement && instr -> getOperator() != forStatement&& instr -> getOperator() -> lineNumber() > prevOp -> lineNumber()
+                            && prevOp -> lineNumber() > forStatement -> lineNumber())
+                            result[instr -> getOperator()].insert(prevOp);
+                    }
+                }
+            }
+            // update RD
+            if (instr -> getResult() != NULL)
+                blockReachingDefinitions[instr -> getResult()] = {instr -> getNumber()};
+        }
+    }
+    return result;
+}
+
+void buildAdditionalDeps(SgForStmt* forStatement, map<SgStatement*, set<SgStatement*>>& dependencies)
+{
+    SgStatement* lastNode = forStatement->lastNodeOfStmt();
+    vector<SgStatement*> importantDeps;
+    SgStatement* st = (SgStatement*) forStatement;
+    st = st -> lexNext();
+    SgStatement* logIfOp = NULL;
+    while (st && st != lastNode)
+    {
+        if(importantDeps.size() != 0)
+        {
+            if (st != importantDeps.back())
+            {
+                dependencies[st].insert(importantDeps.back());
+            }
+        }
+        if (logIfOp != NULL)
+        {
+            dependencies[st].insert(logIfOp);
+            logIfOp = NULL;
+        }
+        if (st -> variant() == LOGIF_NODE)
+        {
+            logIfOp = st;
+        }
+        if (importantDepsTags.find(st -> variant()) != importantDepsTags.end())
+        {
+            importantDeps.push_back(st);
+        }
+        if (importantUpdDepsTags.find(st -> variant()) != importantUpdDepsTags.end())
+        {
+            importantDeps.pop_back();
+            importantDeps.push_back(st);
+        }
+        if (importantEndTags.find(st -> variant()) != importantEndTags.end())
+        {
+            if(importantDeps.size() != 0)
+            {
+                importantDeps.pop_back();
+            }
+        }
+        st = st -> lexNext();
+    }
+}
+
+struct ReadyOp {
+    SgStatement* stmt;
+    int degree;
+    size_t arrival;
+    ReadyOp(SgStatement* s, int d, size_t a): stmt(s), degree(d), arrival(a) {}
+};
+
+struct ReadyOpCompare {
+    bool operator()(const ReadyOp& a, const ReadyOp& b) const {
+        if (a.degree != b.degree)
+            return a.degree > b.degree;
+        else
+            return a.arrival > b.arrival;
+    }
+};
+
+vector<SgStatement*> scheduleOperations(const map<SgStatement*, set<SgStatement*>>& dependencies)
+{
+    // get all statements
+    unordered_set<SgStatement*> allStmtsSet;
+    for (const auto& pair : dependencies)
+    {
+        allStmtsSet.insert(pair.first);
+        for (SgStatement* dep : pair.second)
+        {
+            allStmtsSet.insert(dep);
+        }
+    }
+    vector<SgStatement*> allStmts(allStmtsSet.begin(), allStmtsSet.end());
+    // count deps and build reversed graph
+    unordered_map<SgStatement*, vector<SgStatement*>> graph;
+    unordered_map<SgStatement*, int> inDegree;
+    unordered_map<SgStatement*, int> degree;
+    for (auto op : allStmts)
+        inDegree[op] = 0;
+    // find and remember initial dependencies
+    unordered_set<SgStatement*> dependentStmts;
+    for (const auto& pair : dependencies)
+    {
+        SgStatement* op = pair.first;
+        const auto& deps = pair.second;
+        degree[op] = deps.size();
+        inDegree[op] = deps.size();
+        if (!deps.empty())
+            dependentStmts.insert(op);
+        for (auto dep : deps)
+            graph[dep].push_back(op);
+    }
+    for (SgStatement* op : allStmts)
+    {
+        if (!degree.count(op))
+        {
+            degree[op] = 0;
+        }
+    }
+    // build queues
+    using PQ = priority_queue<ReadyOp, vector<ReadyOp>, ReadyOpCompare>;
+    PQ readyDependent;
+    queue<SgStatement*> readyIndependent;
+    size_t arrivalCounter = 0;
+    for (auto op : allStmts)
+    {
+        if (inDegree[op] == 0)
+        {
+            if (dependentStmts.count(op))
+            {
+                readyDependent.emplace(op, degree[op], arrivalCounter++);
+            }
+            else
+            {
+                readyIndependent.push(op);
+            }
+        }
+    }
+    // main sort algorythm
+    vector<SgStatement*> executionOrder;
+    while (!readyDependent.empty() || !readyIndependent.empty())
+    {
+        SgStatement* current = nullptr;
+        if (!readyDependent.empty())
+        {
+            current = readyDependent.top().stmt;
+            readyDependent.pop();
+        }
+        else
+        {
+            current = readyIndependent.front();
+            readyIndependent.pop();
+        }
+        executionOrder.push_back(current);
+        for (SgStatement* neighbor : graph[current])
+        {
+            inDegree[neighbor]--;
+            if (inDegree[neighbor] == 0) {
+                if (dependentStmts.count(neighbor))
+                {
+                    readyDependent.emplace(neighbor, degree[neighbor], arrivalCounter++);
+                }
+                else
+                {
+                    readyIndependent.push(neighbor);
+                }
+            }
+        }
+    }
+    return executionOrder;
+}
+
+void buildNewAST(SgStatement* loop, vector<SgStatement*>& newBody)
+{
+    SgStatement* endDo = loop->lastNodeOfStmt();
+    SgStatement* st = loop;
+    int lineNum = loop -> lineNumber() + 1;
+    for (int i = 0; i < newBody.size(); i++)
+    {
+        st -> setLexNext(*newBody[i]);
+        st = st -> lexNext();
+        st -> setlineNumber(lineNum);
+        lineNum++;
+    }
+    st -> setLexNext(*endDo);
+}
+
+
+
+void runSwapOperators(SgFile *file, std::map<std::string, std::vector<LoopGraph*>>& loopGraph, std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR, int& countOfTransform)
+{
+    std::cout << "SWAP_OPERATORS Pass" << std::endl;    // to remove
+    countOfTransform += 1;                              // to remove
+
+    const int funcNum = file -> numberOfFunctions();
+    for (int i = 0; i < funcNum; ++i)
+    {
+        SgStatement *st = file -> functions(i);
+        vector<SAPFOR::BasicBlock*> blocks = findFuncBlocksByFuncStatement(st, FullIR);
+        map<SgForStmt*, vector<SAPFOR::BasicBlock*>> loopsMapping = findAndAnalyzeLoops(st, blocks);
+        for (pair<SgForStmt*, vector<SAPFOR::BasicBlock*>> loopForAnalyze: loopsMapping)
+        {
+            map<SgStatement*, set<SgStatement*>> dependencyGraph = AnalyzeLoopAndFindDeps(loopForAnalyze.first, loopForAnalyze.second, FullIR);
+            // TODO: Write a function that will go through the operators and update all dependencies so that there are no mix-ups and splits inside the semantic blocks (for if, do and may be some other cases)
+            buildAdditionalDeps(loopForAnalyze.first, dependencyGraph);
+            cout << endl;
+            int firstLine = loopForAnalyze.first -> lineNumber();
+            int lastLine = loopForAnalyze.first -> lastNodeOfStmt() -> lineNumber();
+            cout << "LOOP ANALYZE FROM " << firstLine << " TO " << lastLine << " RES" << endl;
+            // for (auto &v: dependencyGraph) {
+            //     cout << "OPERATOR: " << v.first -> lineNumber()  << "    " << v.first -> variant() << "\nDEPENDS ON:" << endl;
+            //     if (v.second.size() != 0)
+            //         for (auto vv: v.second)
+            //             cout << vv -> lineNumber() << "  ";
+            //     cout << endl;
+            // }
+            vector<SgStatement*> new_order = scheduleOperations(dependencyGraph);
+            cout << "RESULT ORDER:" << endl;
+            for (auto v: new_order) 
+                if (v -> lineNumber() > firstLine) 
+                    cout << v -> lineNumber() << endl;
+            buildNewAST(loopForAnalyze.first, new_order);
+            st = loopForAnalyze.first -> lexNext();
+            while (st != loopForAnalyze.first -> lastNodeOfStmt())
+            {
+                cout << st -> lineNumber() << "    " << st -> sunparse() << endl;
+                st = st -> lexNext();
+            }
+        }
+    }
+
+    return;
+};

src/Transformations/SwapOperators/swap_operators.h

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

src/Utils/PassManager.h

@@ -212,6 +212,8 @@ void InitPassesDependencies(map<passes, vector<passes>> &passDepsIn, set<passes>
 
     Pass(BUILD_IR) <= Pass(SUBST_EXPR_RD) <= Pass(SUBST_EXPR_RD_AND_UNPARSE);
 
+    list({BUILD_IR, CALL_GRAPH2}) <= Pass(SWAP_OPERATORS);
+
     list({ LOOP_ANALYZER_DATA_DIST_S1, SUBST_EXPR_RD } ) <= Pass(PRIVATE_REMOVING_ANALYSIS);
     list({ PRIVATE_REMOVING_ANALYSIS, REVERT_SUBST_EXPR_RD }) <= Pass(PRIVATE_REMOVING);
 

src/Utils/version.h

@@ -1,3 +1,3 @@
 #pragma once
 
-#define VERSION_SPF "2432"
+#define VERSION_SPF "2436"