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added inductive variables and loop type to LoopGraph

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This commit is contained in:
ALEXks
2025-06-22 09:19:37 +03:00
parent 7533739488
commit 65237e4d63
13 changed files with 83 additions and 40 deletions
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4
src/CFGraph/private_variables_analysis.cpp
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@@ -250,7 +250,7 @@ static set<SAPFOR::BasicBlock*> analyzeLoop(LoopGraph* loop, const set<SAPFOR::B
const map<string, SgSymbol*>& commonArgs, FuncInfo* func,
map<string, vector<Messages>>& messages)
{
if (!loop->isFor)
if (!loop->isFor())
printInternalError(convertFileName(__FILE__).c_str(), __LINE__); //should be called only with FOR loops
SgStatement* loop_operator = loop->loop->GetOriginal();
@@ -450,7 +450,7 @@ static void recAnalyzeLoop(LoopGraph* loop, const set<SAPFOR::BasicBlock*>& bloc
const map<string, SgSymbol*>& commonArgs,
FuncInfo* func, map<string, vector<Messages>>& messages)
{
const auto& loop_body = loop->isFor ? analyzeLoop(loop, blocks, commonVars, commonArgs, func, messages) : blocks;
const auto& loop_body = loop->isFor() ? analyzeLoop(loop, blocks, commonVars, commonArgs, func, messages) : blocks;
for (const auto& inner_loop : loop->children)
recAnalyzeLoop(inner_loop, loop_body, commonVars, commonArgs, func, messages);

12
src/DirectiveProcessing/directive_creator_base.cpp
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@@ -75,7 +75,7 @@ static LoopGraph* createDirectiveForLoop(LoopGraph *currentLoop, MapToArray &mai
}
}
directive->parallel.push_back(currentLoop->loopSymbol);
directive->parallel.push_back(currentLoop->loopSymbol());
directive->arrayRef = mainArray.arrayRef;
DIST::Array *tmp = mainArray.arrayRef;
@@ -84,7 +84,7 @@ static LoopGraph* createDirectiveForLoop(LoopGraph *currentLoop, MapToArray &mai
for (int i = 0; i < tmp->GetDimSize(); ++i)
{
if (i == pos)
directive->on.push_back(make_pair(currentLoop->loopSymbol, mainAccess));
directive->on.push_back(make_pair(currentLoop->loopSymbol(), mainAccess));
else
directive->on.push_back(make_pair("*", make_pair(0, 0)));
}
@@ -808,7 +808,7 @@ void createParallelDirectives(const map<LoopGraph*, map<DIST::Array*, ArrayInfo*
for (int i = 0; i < mainArrayOfLoop->GetDimSize(); ++i)
{
if (i == dimPos)
parDir->on2.push_back(make_pair(currLoop->loopSymbol, mainAccess));
parDir->on2.push_back(make_pair(currLoop->loopSymbol(), mainAccess));
else
parDir->on2.push_back(make_pair("*", make_pair(0, 0)));
}
@@ -1100,7 +1100,7 @@ static bool tryToResolveUnmatchedDims(const map<DIST::Array*, vector<bool>> &dim
LoopGraph* tmpL = loop;
for (int z = 0; z < nested; ++z)
{
deprecateToMatch.insert(tmpL->loopSymbol);
deprecateToMatch.insert(tmpL->loopSymbol());
if (tmpL->children.size())
tmpL = tmpL->children[0];
else if (z != nested - 1)
@@ -1113,7 +1113,7 @@ static bool tryToResolveUnmatchedDims(const map<DIST::Array*, vector<bool>> &dim
tmpL = loop->parent;
while (tmpL)
{
if (!tmpL->isFor) // TODO: need to add all inductive variables!
if (tmpL->isWhile()) // TODO: need to add all inductive variables!
{
SgWhileStmt* dow = isSgWhileStmt(tmpL->loop->GetOriginal());
if (dow->conditional())
@@ -1124,7 +1124,7 @@ static bool tryToResolveUnmatchedDims(const map<DIST::Array*, vector<bool>> &dim
}
}
else
deprecateToMatch.insert(tmpL->loopSymbol);
deprecateToMatch.insert(tmpL->loopSymbol());
tmpL = tmpL->parent;
}

2
src/Distribution/DvmhDirective.cpp
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@@ -346,7 +346,7 @@ static vector<SgExpression*>
{
needToAdd = true;
dim_found = true;
subs[i] = new SgVarRefExp(findSymbolOrCreate(file, currLoop->loopSymbol));
subs[i] = new SgVarRefExp(findSymbolOrCreate(file, currLoop->loopSymbol()));
break;
}
}

9
src/GraphLoop/graph_loops.cpp
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@@ -699,7 +699,12 @@ void loopGraphAnalyzer(SgFile *file, vector<LoopGraph*> &loopGraph, const vector
newLoop->hasPrints = hasThisIds(st, newLoop->linesOfIO, { WRITE_STAT, READ_STAT, OPEN_STAT, CLOSE_STAT, PRINT_STAT } ); // FORMAT_STAT
newLoop->hasStops = hasThisIds(st, newLoop->linesOfStop, { STOP_STAT, PAUSE_NODE });
newLoop->hasDvmIntervals = hasThisIds(st, tmpLines, { DVM_INTERVAL_DIR, DVM_ENDINTERVAL_DIR, DVM_EXIT_INTERVAL_DIR });
newLoop->isFor = isSgForStmt(st) ? true : false;
if (isSgForStmt(st))
newLoop->loopType = LoopType::FOR;
else if (isSgWhileStmt(st))
newLoop->loopType = LoopType::WHILE;
else
newLoop->loopType = LoopType::NONE;
newLoop->inCanonicalFrom = isSgForStmt(st) ? true : false;
newLoop->hasSubstringRefs = hasSubstringRef(st);
@@ -777,7 +782,7 @@ void loopGraphAnalyzer(SgFile *file, vector<LoopGraph*> &loopGraph, const vector
newLoop->startEndExpr = std::make_pair((Expression*)NULL, (Expression*)NULL);
newLoop->loop = new Statement(st);
newLoop->loopSymbol = st->symbol() ? st->symbol()->identifier() : "unknown";
newLoop->loopSymbols.addMainVar(st->symbol() ? st->symbol()->identifier() : "unknown");
findArrayRefs(newLoop);
SgStatement *lexPrev = st->lexPrev();

52
src/GraphLoop/graph_loops.h
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@@ -25,6 +25,33 @@ namespace DIST = Distribution;
void getRealArrayRefs(DIST::Array* addTo, DIST::Array* curr, std::set<DIST::Array*>& realArrayRefs, const std::map<DIST::Array*, std::set<DIST::Array*>>& arrayLinksByFuncCalls);
void getAllArrayRefs(DIST::Array* addTo, DIST::Array* curr, std::set<DIST::Array*>& realArrayRefs, const std::map<DIST::Array*, std::set<DIST::Array*>>& arrayLinksByFuncCalls);
enum class LoopType { NONE, FOR, WHILE, IMPLICIT };
struct InductiveVariables
{
private:
std::string mainVar;
std::set<std::string> allVars;
public:
InductiveVariables() { }
explicit InductiveVariables(const std::string& mainVar, const std::set<std::string>& allVars) : mainVar(mainVar), allVars(allVars) { };
std::string getMainVar() const { return mainVar; }
std::set<std::string> getAllVars() const { return allVars; }
void addVar(const std::string& var) { allVars.insert(var); }
void addMainVar(const std::string& var) { mainVar = var; allVars.insert(var); }
void replaceMainVar(const std::string& var)
{
allVars.erase(mainVar);
addMainVar(var);
}
};
struct LoopGraph
{
private:
@@ -70,7 +97,7 @@ public:
calculatedCountOfIters = 0;
executionTimeInSec = -1.0;
inDvmhRegion = 0;
isFor = false;
loopType = LoopType::NONE;
inCanonicalFrom = false;
hasAccessToSubArray = false;
hasSubstringRefs = false;
@@ -113,21 +140,24 @@ public:
{
return hasUnknownArrayDep || hasUnknownScalarDep || hasGoto || hasPrints || (hasConflicts.size() != 0) || hasStops || hasNonPureProcedures ||
hasUnknownArrayAssigns || hasNonRectangularBounds || hasIndirectAccess || hasWritesToNonDistribute || hasDifferentAlignRules || hasDvmIntervals ||
!isFor || lastprivateScalars.size() || hasAccessToSubArray || hasSubstringRefs;
!isFor() || lastprivateScalars.size() || hasAccessToSubArray || hasSubstringRefs;
}
bool hasLimitsToSplit() const
{
return hasGoto || hasStops || !isFor || hasPrints;
return hasGoto || hasStops || !isFor() || hasPrints;
}
bool hasLimitsToCombine() const
{
return hasGoto || hasStops || !isFor || hasPrints || linesOfCycle.size();
return hasGoto || hasStops || !isFor() || hasPrints || linesOfCycle.size();
}
void addConflictMessages(std::vector<Messages> *messages)
{
if (messages == NULL)
return;
const int line = altLineNum > 0 ? altLineNum : lineNum;
if (hasUnknownArrayDep)
messages->push_back(Messages(NOTE, line, R113, L"unknown array dependency prevents parallelization of this loop", 3006));
@@ -168,7 +198,7 @@ public:
if (hasDvmIntervals)
messages->push_back(Messages(NOTE, line, R145, L"DVM intervals prevent parallelization of this loop", 3006));
if (!isFor || !inCanonicalFrom)
if (!isFor() || !inCanonicalFrom)
messages->push_back(Messages(NOTE, line, R178, L"This type of loop is not supported by the system", 3006));
if (lastprivateScalars.size())
@@ -393,6 +423,14 @@ public:
void* getRealStat(const char* file) const;
bool isFor() const { return loopType == LoopType::FOR; }
bool isWhile() const { return loopType == LoopType::WHILE; }
bool isImplicit() const { return loopType == LoopType::IMPLICIT; }
std::string loopSymbol() const { return loopSymbols.getMainVar(); }
public:
int lineNum;
int altLineNum;
@@ -407,7 +445,7 @@ public:
int startVal, endVal, stepVal;
std::tuple<Expression*, Expression*, Expression*> startEndStepVals;
std::string loopSymbol;
InductiveVariables loopSymbols;
std::pair<Expression*, Expression*> startEndExpr;
bool hasGoto;
@@ -448,7 +486,7 @@ public:
bool hasSubstringRefs;
bool isFor;
LoopType loopType;
bool inCanonicalFrom;

4
src/GraphLoop/graph_loops_base.cpp
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@@ -551,7 +551,7 @@ void addToDistributionGraph(const map<LoopGraph*, map<DIST::Array*, ArrayInfo*>>
continue;
}
if (!loopAccess.first->isFor)
if (!loopAccess.first->isFor())
continue;
DIST::GraphCSR<int, double, attrType>& G = currReg->GetGraphToModify();
@@ -775,7 +775,7 @@ static void isAllOk(const vector<LoopGraph*> &loops, vector<Messages> &currMessa
{
if (loops[i]->region)
{
if (loops[i]->countOfIters == 0 && loops[i]->region && loops[i]->isFor)
if (loops[i]->countOfIters == 0 && loops[i]->region && loops[i]->isFor())
{
wstring bufE, bufR;
__spf_printToLongBuf(bufE, L" Can not calculate count of iterations for this loop, information about iterations in all loops in parallel regions '%s' will be ignored",

2
src/LoopAnalyzer/loop_analyzer.cpp
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@@ -2199,7 +2199,7 @@ void loopAnalyzer(SgFile *file, vector<ParallelRegion*> &regions, map<tuple<int,
LoopGraph *tmpLoop = new LoopGraph();
tmpLoop->region = reg;
tmpLoop->isFor = true;
tmpLoop->loopType = LoopType::FOR;
tmpLoops.push_back(tmpLoop);

2
src/PrivateAnalyzer/region.cpp
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@@ -51,7 +51,7 @@ pair<SAPFOR::BasicBlock*, unordered_set<SAPFOR::BasicBlock*>> GetBasicBlocksForL
}
static void BuildLoopIndex(map<string, LoopGraph*>& loopForIndex, LoopGraph* loop) {
string index = loop->loopSymbol;
string index = loop->loopSymbol();
loopForIndex[index] = loop;
for (const auto& childLoop : loop->children)

26
src/Transformations/LoopCombining/loops_combiner.cpp
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@@ -20,7 +20,7 @@ using std::wstring;
static SgSymbol* getLoopSymbol(const LoopGraph* loop)
{
if (!loop || !loop->isFor)
if (!loop || !loop->isFor())
return NULL;
SgForStmt* stmt = (SgForStmt*)loop->loop->GetOriginal();
@@ -667,12 +667,12 @@ static void renameIterationVariables(LoopGraph* loop, const map<SgSymbol*, SgSym
{
if (loop)
{
string& loopName = loop->loopSymbol;
for (auto& pair : symbols)
string& loopName = loop->loopSymbol();
for (auto& [from, to] : symbols)
{
if (pair.first->identifier() == loopName)
if (from->identifier() == loopName)
{
loop->loopSymbol = (string)pair.second->identifier();
loop->loopSymbols.replaceMainVar(to->identifier());
break;
}
}
@@ -691,9 +691,9 @@ static void renameVariablesInLoop(LoopGraph* loop, const map<SgSymbol*, SgSymbol
if (st->variant() == FOR_NODE)
{
SgForStmt* for_st = (SgForStmt*)st;
for (auto& pair : symbols)
if (isEqSymbols(pair.first, for_st->symbol()))
for_st->setDoName(*pair.second);
for (auto& [from, to] : symbols)
if (isEqSymbols(from, for_st->symbol()))
for_st->setDoName(*to);
}
for (int i = 0; i < 3; ++i)
@@ -710,12 +710,12 @@ static void renamePrivatesInMap(LoopGraph* loop, const map<SgSymbol*, SgSymbol*>
for (auto& priv : privates->second)
{
bool found = false;
for (auto& pair : symbols)
for (auto& [from, to] : symbols)
{
if (isEqSymbols(priv, pair.first))
if (isEqSymbols(priv, from))
{
found = true;
newList.insert(pair.second);
newList.insert(to);
break;
}
}
@@ -1590,7 +1590,7 @@ static bool combine(LoopGraph* firstLoop, const vector<LoopGraph*>& nextLoops, s
bool wasCombine = false;
for (LoopGraph* loop : nextLoops)
{
if (!loop->isFor)
if (!loop->isFor())
return wasCombine;
int perfectLoop = std::min(firstLoop->perfectLoop, loop->perfectLoop);
@@ -1723,7 +1723,7 @@ static bool tryToCombine(vector<LoopGraph*>& loopGraphs, map<LoopGraph*, set<SgS
{
LoopGraph* loop = loops[z];
newloopGraphs.push_back(loop);
if (!loop->isFor)
if (!loop->isFor())
continue;
vector<LoopGraph*> nextLoops = getNextLoops(loop, loopGraphs, -1);

2
src/Transformations/LoopSplitting/loops_splitter.cpp
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@@ -1035,7 +1035,7 @@ int splitLoops(SgFile *file, vector<LoopGraph*> &loopGraphs, vector<Messages> &m
for (auto &loopPair : mapLoopGraph)
{
if (!loopPair.second->isFor)
if (!loopPair.second->isFor())
continue;
LoopGraph *loop = loopPair.second;

2
src/Transformations/PrivateArrayRemoving/private_removing.cpp
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@@ -2257,7 +2257,7 @@ void removePrivatesAnalysis(string filename,
{
for (LoopGraph* loop : loopGraphs)
{
if (!loop->isFor)
if (!loop->isFor())
continue;
SgForStmt* loopStmt = (SgForStmt*)loop->loop->GetOriginal();

4
src/Transformations/PrivateArrayResizing/private_arrays_resizing.cpp
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@@ -74,7 +74,7 @@ static void fillIterationVariables(const LoopGraph* loop, set<string>& vars, int
{
if (dimensions == -1)
{
vars.insert(loop->loopSymbol);
vars.insert(loop->loopSymbol());
for (LoopGraph* child : loop->children)
fillIterationVariables(child, vars);
}
@@ -82,7 +82,7 @@ static void fillIterationVariables(const LoopGraph* loop, set<string>& vars, int
{
for (int i = 0; i < dimensions; ++i)
{
vars.insert(loop->loopSymbol);
vars.insert(loop->loopSymbol());
if (i != dimensions - 1)
loop = loop->children[0];
}

2
src/Utils/version.h
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@@ -1,3 +1,3 @@
#pragma once
#define VERSION_SPF "2430"
#define VERSION_SPF "2431"