diff options
| -rw-r--r-- | llvm/lib/Analysis/LoopPass.cpp | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/llvm/lib/Analysis/LoopPass.cpp b/llvm/lib/Analysis/LoopPass.cpp index f4f00f063a0..191d5f0f4ad 100644 --- a/llvm/lib/Analysis/LoopPass.cpp +++ b/llvm/lib/Analysis/LoopPass.cpp @@ -194,8 +194,13 @@ bool LPPassManager::runOnFunction(Function &F) { } // Walk Loops - unsigned InstrCount = 0; + unsigned InstrCount, FunctionSize = 0; bool EmitICRemark = M.shouldEmitInstrCountChangedRemark(); + // Collect the initial size of the module and the function we're looking at. + if (EmitICRemark) { + InstrCount = initSizeRemarkInfo(M); + FunctionSize = F.getInstructionCount(); + } while (!LQ.empty()) { CurrentLoopDeleted = false; CurrentLoop = LQ.back(); @@ -213,11 +218,19 @@ bool LPPassManager::runOnFunction(Function &F) { { PassManagerPrettyStackEntry X(P, *CurrentLoop->getHeader()); TimeRegion PassTimer(getPassTimer(P)); - if (EmitICRemark) - InstrCount = initSizeRemarkInfo(M); Changed |= P->runOnLoop(CurrentLoop, *this); - if (EmitICRemark) - emitInstrCountChangedRemark(P, 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(P, M, InstrCount); + int64_t Delta = static_cast<int64_t>(NewSize) - + static_cast<int64_t>(FunctionSize); + InstrCount = static_cast<int64_t>(InstrCount) + Delta; + FunctionSize = NewSize; + } + } } if (Changed) |
