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Avoid constructing std::strings unless pass debugging is ON.

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llvm-svn: 34933
This commit is contained in:
Devang Patel 2007-03-05 20:01:30 +00:00
parent ca90313b39
commit 6668a341ae
4 changed files with 75 additions and 51 deletions
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17
include/llvm/PassManagers.h
View File

@ -93,6 +93,18 @@ enum TopLevelManagerType {
TLM_Pass // PassManager
};
// enums for debugging strings
enum PassDebuggingString {
EXECUTION_MSG, // "Executing Pass '"
MODIFICATION_MSG, // "' Made Modification '"
FREEING_MSG, // " Freeing Pass '"
ON_BASICBLOCK_MSG, // "' on BasicBlock '" + PassName + "'...\n"
ON_FUNCTION_MSG, // "' on Function '" + FunctionName + "'...\n"
ON_MODULE_MSG, // "' on Module '" + ModuleName + "'...\n"
ON_LOOP_MSG, // " 'on Loop ...\n'"
ON_CG_MSG // "' on Call Graph ...\n'"
};
//===----------------------------------------------------------------------===//
// PMTopLevelManager
//
@ -202,7 +214,7 @@ public:
void removeNotPreservedAnalysis(Pass *P);
/// Remove dead passes
void removeDeadPasses(Pass *P, std::string &Msg);
void removeDeadPasses(Pass *P, std::string Msg, enum PassDebuggingString);
/// Add pass P into the PassVector. Update
/// AvailableAnalysis appropriately if ProcessAnalysis is true.
@ -238,7 +250,8 @@ public:
// Print routines used by debug-pass
void dumpLastUses(Pass *P, unsigned Offset) const;
void dumpPassArguments() const;
void dumpPassInfo(Pass *P, std::string &Msg1, std::string &Msg2) const;
void dumpPassInfo(Pass *P, enum PassDebuggingString S1,
enum PassDebuggingString S2, std::string Msg);
void dumpAnalysisSetInfo(const char *Msg, Pass *P,
const std::vector<AnalysisID> &Set) const;

15
lib/Analysis/IPA/CallGraphSCCPass.cpp
View File

@ -77,9 +77,6 @@ bool CGPassManager::runOnModule(Module &M) {
CallGraph &CG = getAnalysis<CallGraph>();
bool Changed = doInitialization(CG);
std::string Msg1 = "Executing Pass '";
std::string Msg3 = "' Made Modification '";
// Walk SCC
for (scc_iterator<CallGraph*> I = scc_begin(&CG), E = scc_end(&CG);
I != E; ++I) {
@ -91,8 +88,7 @@ bool CGPassManager::runOnModule(Module &M) {
AnalysisUsage AnUsage;
P->getAnalysisUsage(AnUsage);
std::string Msg2 = "' on Call Graph ...\n'";
dumpPassInfo(P, Msg1, Msg2);
dumpPassInfo(P, EXECUTION_MSG, ON_CG_MSG, "");
dumpAnalysisSetInfo("Required", P, AnUsage.getRequiredSet());
initializeAnalysisImpl(P);
@ -109,21 +105,20 @@ bool CGPassManager::runOnModule(Module &M) {
for (unsigned i = 0, e = SCC.size(); i != e; ++i) {
Function *F = SCC[i]->getFunction();
if (F) {
std::string Msg4 = "' on Function '" + F->getName() + "'...\n";
dumpPassInfo(P, Msg1, Msg4);
Changed |= FPP->runOnFunction(*F);
dumpPassInfo(P, EXECUTION_MSG, ON_FUNCTION_MSG, F->getName());
Changed |= FPP->runOnFunction(*F);
}
}
}
StopPassTimer(P);
if (Changed)
dumpPassInfo(P, Msg3, Msg2);
dumpPassInfo(P, MODIFICATION_MSG, ON_CG_MSG, "");
dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet());
removeNotPreservedAnalysis(P);
recordAvailableAnalysis(P);
removeDeadPasses(P, Msg2);
removeDeadPasses(P, "", ON_CG_MSG);
}
}
Changed |= doFinalization(CG);

10
lib/Analysis/LoopPass.cpp
View File

@ -91,9 +91,6 @@ bool LPPassManager::runOnFunction(Function &F) {
for (LoopInfo::iterator I = LI.begin(), E = LI.end(); I != E; ++I)
addLoopIntoQueue(*I, LQ);
std::string Msg1 = "Executing Pass '";
std::string Msg3 = "' Made Modification '";
// Walk Loops
while (!LQ->empty()) {
@ -108,8 +105,7 @@ bool LPPassManager::runOnFunction(Function &F) {
AnalysisUsage AnUsage;
P->getAnalysisUsage(AnUsage);
std::string Msg2 = "' on Loop ...\n'";
dumpPassInfo(P, Msg1, Msg2);
dumpPassInfo(P, EXECUTION_MSG, ON_LOOP_MSG, "");
dumpAnalysisSetInfo("Required", P, AnUsage.getRequiredSet());
initializeAnalysisImpl(P);
@ -121,12 +117,12 @@ bool LPPassManager::runOnFunction(Function &F) {
StopPassTimer(P);
if (Changed)
dumpPassInfo(P, Msg3, Msg2);
dumpPassInfo(P, MODIFICATION_MSG, ON_LOOP_MSG, "");
dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet());
removeNotPreservedAnalysis(P);
recordAvailableAnalysis(P);
removeDeadPasses(P, Msg2);
removeDeadPasses(P, "", ON_LOOP_MSG);
if (skipThisLoop)
// Do not run other passes on this loop.

84
lib/VMCore/PassManager.cpp
View File

@ -553,7 +553,8 @@ void PMDataManager::removeNotPreservedAnalysis(Pass *P) {
}
/// Remove analysis passes that are not used any longer
void PMDataManager::removeDeadPasses(Pass *P, std::string &Msg) {
void PMDataManager::removeDeadPasses(Pass *P, std::string Msg,
enum PassDebuggingString DBG_STR) {
std::vector<Pass *> DeadPasses;
TPM->collectLastUses(DeadPasses, P);
@ -561,8 +562,7 @@ void PMDataManager::removeDeadPasses(Pass *P, std::string &Msg) {
for (std::vector<Pass *>::iterator I = DeadPasses.begin(),
E = DeadPasses.end(); I != E; ++I) {
std::string Msg1 = " Freeing Pass '";
dumpPassInfo(*I, Msg1, Msg);
dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg);
if (TheTimeInfo) TheTimeInfo->passStarted(*I);
(*I)->releaseMemory();
@ -720,14 +720,44 @@ void PMDataManager::dumpPassArguments() const {
}
}
void PMDataManager:: dumpPassInfo(Pass *P, std::string &Msg1,
std::string &Msg2) const {
void PMDataManager:: dumpPassInfo(Pass *P, enum PassDebuggingString S1,
enum PassDebuggingString S2,
std::string Msg) {
if (PassDebugging < Executions)
return;
cerr << (void*)this << std::string(getDepth()*2+1, ' ');
cerr << Msg1;
cerr << P->getPassName();
cerr << Msg2;
switch (S1) {
case EXECUTION_MSG:
cerr << "Executing Pass '" << P->getPassName();
break;
case MODIFICATION_MSG:
cerr << "' Made Modification '" << P->getPassName();
break;
case FREEING_MSG:
cerr << " Freeing Pass '" << P->getPassName();
break;
default:
break;
}
switch (S2) {
case ON_BASICBLOCK_MSG:
cerr << "' on BasicBlock '" << Msg << "...\n";
break;
case ON_FUNCTION_MSG:
cerr << "' on Function '" << Msg << "...\n";
break;
case ON_MODULE_MSG:
cerr << "' on Module '" << Msg << "...\n";
break;
case ON_LOOP_MSG:
cerr << "' on Loop " << Msg << "...\n";
break;
case ON_CG_MSG:
cerr << "' on Call Graph " << Msg << "...\n";
break;
default:
break;
}
}
void PMDataManager::dumpAnalysisSetInfo(const char *Msg, Pass *P,
@ -774,17 +804,13 @@ BBPassManager::runOnFunction(Function &F) {
bool Changed = doInitialization(F);
std::string Msg1 = "Executing Pass '";
std::string Msg3 = "' Made Modification '";
for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I)
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
BasicBlockPass *BP = getContainedPass(Index);
AnalysisUsage AnUsage;
BP->getAnalysisUsage(AnUsage);
std::string Msg2 = "' on BasicBlock '" + (*I).getName() + "'...\n";
dumpPassInfo(BP, Msg1, Msg2);
dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, (*I).getName());
dumpAnalysisSetInfo("Required", BP, AnUsage.getRequiredSet());
initializeAnalysisImpl(BP);
@ -793,13 +819,14 @@ BBPassManager::runOnFunction(Function &F) {
Changed |= BP->runOnBasicBlock(*I);
if (TheTimeInfo) TheTimeInfo->passEnded(BP);
if (Changed)
dumpPassInfo(BP, Msg3, Msg2);
if (Changed)
dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, (*I).getName());
dumpAnalysisSetInfo("Preserved", BP, AnUsage.getPreservedSet());
removeNotPreservedAnalysis(BP);
recordAvailableAnalysis(BP);
removeDeadPasses(BP, Msg2);
removeDeadPasses(BP, (*I).getName(), ON_BASICBLOCK_MSG);
}
return Changed |= doFinalization(F);
}
@ -973,17 +1000,13 @@ bool FPPassManager::runOnFunction(Function &F) {
if (F.isDeclaration())
return false;
std::string Msg1 = "Executing Pass '";
std::string Msg3 = "' Made Modification '";
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
FunctionPass *FP = getContainedPass(Index);
AnalysisUsage AnUsage;
FP->getAnalysisUsage(AnUsage);
std::string Msg2 = "' on Function '" + F.getName() + "'...\n";
dumpPassInfo(FP, Msg1, Msg2);
dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName());
dumpAnalysisSetInfo("Required", FP, AnUsage.getRequiredSet());
initializeAnalysisImpl(FP);
@ -992,13 +1015,13 @@ bool FPPassManager::runOnFunction(Function &F) {
Changed |= FP->runOnFunction(F);
if (TheTimeInfo) TheTimeInfo->passEnded(FP);
if (Changed)
dumpPassInfo(FP, Msg3, Msg2);
if (Changed)
dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName());
dumpAnalysisSetInfo("Preserved", FP, AnUsage.getPreservedSet());
removeNotPreservedAnalysis(FP);
recordAvailableAnalysis(FP);
removeDeadPasses(FP, Msg2);
removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG);
}
return Changed;
}
@ -1045,17 +1068,13 @@ bool
MPPassManager::runOnModule(Module &M) {
bool Changed = false;
std::string Msg1 = "Executing Pass '";
std::string Msg3 = "' Made Modification '";
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
ModulePass *MP = getContainedPass(Index);
AnalysisUsage AnUsage;
MP->getAnalysisUsage(AnUsage);
std::string Msg2 = "' on Module '" + M.getModuleIdentifier() + "'...\n";
dumpPassInfo(MP, Msg1, Msg2);
dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier());
dumpAnalysisSetInfo("Required", MP, AnUsage.getRequiredSet());
initializeAnalysisImpl(MP);
@ -1064,13 +1083,14 @@ MPPassManager::runOnModule(Module &M) {
Changed |= MP->runOnModule(M);
if (TheTimeInfo) TheTimeInfo->passEnded(MP);
if (Changed)
dumpPassInfo(MP, Msg3, Msg2);
if (Changed)
dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG,
M.getModuleIdentifier());
dumpAnalysisSetInfo("Preserved", MP, AnUsage.getPreservedSet());
removeNotPreservedAnalysis(MP);
recordAvailableAnalysis(MP);
removeDeadPasses(MP, Msg2);
removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG);
}
return Changed;
}