diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyIndVar.cpp | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp index b3055a492be..fa0459f62c9 100644 --- a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp @@ -169,18 +169,16 @@ void SimplifyIndvar::eliminateIVComparison(ICmpInst *ICmp, Value *IVOperand) { ICmpInst::Predicate InvariantPredicate; const SCEV *InvariantLHS, *InvariantRHS; - const char *Verb = nullptr; - // If the condition is always true or always false, replace it with // a constant value. if (SE->isKnownPredicate(Pred, S, X)) { ICmp->replaceAllUsesWith(ConstantInt::getTrue(ICmp->getContext())); DeadInsts.emplace_back(ICmp); - Verb = "Eliminated"; + DEBUG(dbgs() << "INDVARS: Eliminated comparison: " << *ICmp << '\n'); } else if (SE->isKnownPredicate(ICmpInst::getInversePredicate(Pred), S, X)) { ICmp->replaceAllUsesWith(ConstantInt::getFalse(ICmp->getContext())); DeadInsts.emplace_back(ICmp); - Verb = "Eliminated"; + DEBUG(dbgs() << "INDVARS: Eliminated comparison: " << *ICmp << '\n'); } else if (isa<PHINode>(IVOperand) && SE->isLoopInvariantPredicate(Pred, S, X, ICmpLoop, InvariantPredicate, InvariantLHS, @@ -218,14 +216,13 @@ void SimplifyIndvar::eliminateIVComparison(ICmpInst *ICmp, Value *IVOperand) { // for now. return; - Verb = "Simplified"; + DEBUG(dbgs() << "INDVARS: Simplified comparison: " << *ICmp << '\n'); ICmp->setPredicate(InvariantPredicate); ICmp->setOperand(0, NewLHS); ICmp->setOperand(1, NewRHS); } else return; - DEBUG(dbgs() << "INDVARS: " << Verb << " comparison: " << *ICmp << '\n'); ++NumElimCmp; Changed = true; } |
