This is an archive of the discontinued LLVM Phabricator instance.

$ ~/llvm/llvm-project/build_rel_exp/bin/clang++ -O3 -w -S -ftime-trace spirit.cpp
...
$ wc -l spirit*json
  2540 spirit.be.json
  3438 spirit.be.O3.json
  2429 spirit.nobe.json
  3028 spirit.nobe.O3.json

Here be/nobe -- with/without this patch (backend/no backend), O3 -- with -O3 option. So most of the entries are still on the FE side.

Probably needs a similar change for new-pm?

In D60782#1468909, @lebedev.ri wrote:

Probably needs a similar change for new-pm?

new-pm currently doesn't appear in -ftrace-report output at all.

Closed by commit rL358834: ftime-trace: Trace the name of the currently active pass as well. (authored by nico). · Explain WhyApr 20 2019, 4:22 PM

This revision was automatically updated to reflect the committed changes.

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llvm/

lib/

IR/

LegacyPassManager.cpp

9 lines

Diff 195405

llvm/lib/IR/LegacyPassManager.cpp

Show First 20 Lines • Show All 1,623 Lines • ▼ Show 20 Lines	bool FPPassManager::runOnFunction(Function &F) {
StringMap<std::pair<unsigned, unsigned>> FunctionToInstrCount;		StringMap<std::pair<unsigned, unsigned>> FunctionToInstrCount;
bool EmitICRemark = M.shouldEmitInstrCountChangedRemark();		bool EmitICRemark = M.shouldEmitInstrCountChangedRemark();
// Collect the initial size of the module.		// Collect the initial size of the module.
if (EmitICRemark) {		if (EmitICRemark) {
InstrCount = initSizeRemarkInfo(M, FunctionToInstrCount);		InstrCount = initSizeRemarkInfo(M, FunctionToInstrCount);
FunctionSize = F.getInstructionCount();		FunctionSize = F.getInstructionCount();
}		}

bool ProfileTime = llvm::timeTraceProfilerEnabled();		llvm::TimeTraceScope FunctionScope("OptFunction", F.getName());
if (ProfileTime)
llvm::timeTraceProfilerBegin("OptFunction", F.getName());

for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {		for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
FunctionPass *FP = getContainedPass(Index);		FunctionPass *FP = getContainedPass(Index);
bool LocalChanged = false;		bool LocalChanged = false;

		llvm::TimeTraceScope PassScope("RunPass", FP->getPassName());

dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName());		dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName());
dumpRequiredSet(FP);		dumpRequiredSet(FP);

initializeAnalysisImpl(FP);		initializeAnalysisImpl(FP);

{		{
PassManagerPrettyStackEntry X(FP, F);		PassManagerPrettyStackEntry X(FP, F);
TimeRegion PassTimer(getPassTimer(FP));		TimeRegion PassTimer(getPassTimer(FP));
Show All 21 Lines	for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
dumpUsedSet(FP);		dumpUsedSet(FP);

verifyPreservedAnalysis(FP);		verifyPreservedAnalysis(FP);
removeNotPreservedAnalysis(FP);		removeNotPreservedAnalysis(FP);
recordAvailableAnalysis(FP);		recordAvailableAnalysis(FP);
removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG);		removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG);
}		}

if (ProfileTime)
llvm::timeTraceProfilerEnd();

return Changed;		return Changed;
}		}

bool FPPassManager::runOnModule(Module &M) {		bool FPPassManager::runOnModule(Module &M) {
bool Changed = false;		bool Changed = false;

llvm::TimeTraceScope TimeScope("OptModule", M.getName());		llvm::TimeTraceScope TimeScope("OptModule", M.getName());
for (Function &F : M)		for (Function &F : M)
▲ Show 20 Lines • Show All 357 Lines • Show Last 20 Lines

This is an archive of the discontinued LLVM Phabricator instance.

ftime-trace: Trace the name of the currently active pass as well.ClosedPublic

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Diff 195405

llvm/lib/IR/LegacyPassManager.cpp

ftime-trace: Trace the name of the currently active pass as well.
ClosedPublic