diff options
Diffstat (limited to 'llvm/lib/IR/LegacyPassManager.cpp')
| -rw-r--r-- | llvm/lib/IR/LegacyPassManager.cpp | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/llvm/lib/IR/LegacyPassManager.cpp b/llvm/lib/IR/LegacyPassManager.cpp index 8ce8d7df4d5..efaa66f25ff 100644 --- a/llvm/lib/IR/LegacyPassManager.cpp +++ b/llvm/lib/IR/LegacyPassManager.cpp @@ -1287,9 +1287,15 @@ bool BBPassManager::runOnFunction(Function &F) { bool Changed = doInitialization(F); Module &M = *F.getParent(); - unsigned InstrCount = 0; + unsigned InstrCount, BBSize = 0; bool EmitICRemark = M.shouldEmitInstrCountChangedRemark(); - for (BasicBlock &BB : F) + if (EmitICRemark) + InstrCount = initSizeRemarkInfo(M); + + for (BasicBlock &BB : F) { + // Collect the initial size of the basic block. + if (EmitICRemark) + BBSize = BB.size(); for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { BasicBlockPass *BP = getContainedPass(Index); bool LocalChanged = false; @@ -1303,11 +1309,19 @@ bool BBPassManager::runOnFunction(Function &F) { // If the pass crashes, remember this. PassManagerPrettyStackEntry X(BP, BB); TimeRegion PassTimer(getPassTimer(BP)); - if (EmitICRemark) - InstrCount = initSizeRemarkInfo(M); LocalChanged |= BP->runOnBasicBlock(BB); - if (EmitICRemark) - emitInstrCountChangedRemark(BP, M, InstrCount); + if (EmitICRemark) { + unsigned NewSize = BB.size(); + // Update the size of the basic block, emit a remark, and update the + // size of the module. + if (NewSize != BBSize) { + emitInstrCountChangedRemark(BP, M, InstrCount); + int64_t Delta = + static_cast<int64_t>(NewSize) - static_cast<int64_t>(BBSize); + InstrCount = static_cast<int64_t>(InstrCount) + Delta; + BBSize = NewSize; + } + } } Changed |= LocalChanged; @@ -1322,6 +1336,7 @@ bool BBPassManager::runOnFunction(Function &F) { recordAvailableAnalysis(BP); removeDeadPasses(BP, BB.getName(), ON_BASICBLOCK_MSG); } + } return doFinalization(F) || Changed; } |
