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[NFC] Instrument loop pass manager #7039

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merged 2 commits into from
Dec 18, 2024
Merged

[NFC] Instrument loop pass manager #7039

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7693bb3
[NFC] Instrument loop pass manager
llvm-beanz Dec 17, 2024
bb092f3
Fix clang-format
llvm-beanz Dec 17, 2024
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9 changes: 9 additions & 0 deletions lib/Analysis/LoopPass.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/TimeProfiler.h" // HLSL Change
#include "llvm/Support/Timer.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
Expand Down Expand Up @@ -199,6 +200,10 @@ bool LPPassManager::runOnFunction(Function &F) {
LI = &LIWP.getLoopInfo();
bool Changed = false;

// HLSL Change Begin - Support hierarchial time tracing.
llvm::TimeTraceScope FunctionScope("Loop Pass Manager Function", F.getName());
// HLSL Change End

// Collect inherited analysis from Module level pass manager.
populateInheritedAnalysis(TPM->activeStack);

Expand Down Expand Up @@ -248,6 +253,10 @@ bool LPPassManager::runOnFunction(Function &F) {
PassManagerPrettyStackEntry X(P, *CurrentLoop->getHeader());
TimeRegion PassTimer(getPassTimer(P));

// HLSL Change Begin - Support hierarchial time tracing.
llvm::TimeTraceScope PassScope("RunLoopPass", P->getPassName());
// HLSL Change End - Support hierarchial time tracing.

Changed |= P->runOnLoop(CurrentLoop, *this);
}

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