diff options
| -rw-r--r-- | llvm/lib/IR/LegacyPassManager.cpp | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/llvm/lib/IR/LegacyPassManager.cpp b/llvm/lib/IR/LegacyPassManager.cpp index dbef00af45b..8ce8d7df4d5 100644 --- a/llvm/lib/IR/LegacyPassManager.cpp +++ b/llvm/lib/IR/LegacyPassManager.cpp @@ -1510,8 +1510,14 @@ bool FPPassManager::runOnFunction(Function &F) { // Collect inherited analysis from Module level pass manager. populateInheritedAnalysis(TPM->activeStack); - unsigned InstrCount = 0; + unsigned InstrCount, FunctionSize = 0; bool EmitICRemark = M.shouldEmitInstrCountChangedRemark(); + // Collect the initial size of the module. + if (EmitICRemark) { + InstrCount = initSizeRemarkInfo(M); + FunctionSize = F.getInstructionCount(); + } + for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { FunctionPass *FP = getContainedPass(Index); bool LocalChanged = false; @@ -1524,11 +1530,20 @@ bool FPPassManager::runOnFunction(Function &F) { { PassManagerPrettyStackEntry X(FP, F); TimeRegion PassTimer(getPassTimer(FP)); - if (EmitICRemark) - InstrCount = initSizeRemarkInfo(M); LocalChanged |= FP->runOnFunction(F); - if (EmitICRemark) - emitInstrCountChangedRemark(FP, M, InstrCount); + if (EmitICRemark) { + unsigned NewSize = F.getInstructionCount(); + + // Update the size of the function, emit a remark, and update the size + // of the module. + if (NewSize != FunctionSize) { + emitInstrCountChangedRemark(FP, M, InstrCount); + int64_t Delta = static_cast<int64_t>(NewSize) - + static_cast<int64_t>(FunctionSize); + InstrCount = static_cast<int64_t>(InstrCount) + Delta; + FunctionSize = NewSize; + } + } } Changed |= LocalChanged; |
