diff options
author | Duncan Sands <baldrick@free.fr> | 2010-11-16 17:41:24 +0000 |
---|---|---|
committer | Duncan Sands <baldrick@free.fr> | 2010-11-16 17:41:24 +0000 |
commit | cdbd99262286e96729007ac535cd430ecb3d38ac (patch) | |
tree | 29ee4b438d3edd840c88bd268c3bfe4815f0b29a /lib/Transforms/Scalar/CorrelatedValuePropagation.cpp | |
parent | ab7fa0885e8351c0d510938caeac83d3000031d1 (diff) | |
download | external_llvm-cdbd99262286e96729007ac535cd430ecb3d38ac.zip external_llvm-cdbd99262286e96729007ac535cd430ecb3d38ac.tar.gz external_llvm-cdbd99262286e96729007ac535cd430ecb3d38ac.tar.bz2 |
Have a few places that want to simplify phi nodes use SimplifyInstruction
rather than calling hasConstantValue. No intended functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119352 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/CorrelatedValuePropagation.cpp')
-rw-r--r-- | lib/Transforms/Scalar/CorrelatedValuePropagation.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp b/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp index 44e72e2..287c0a5 100644 --- a/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp +++ b/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp @@ -16,6 +16,7 @@ #include "llvm/Function.h" #include "llvm/Instructions.h" #include "llvm/Pass.h" +#include "llvm/Analysis/InstructionSimplify.h" #include "llvm/Analysis/LazyValueInfo.h" #include "llvm/Support/CFG.h" #include "llvm/Transforms/Utils/Local.h" @@ -96,13 +97,13 @@ bool CorrelatedValuePropagation::processPHI(PHINode *P) { P->setIncomingValue(i, C); Changed = true; } - - if (Value *ConstVal = P->hasConstantValue()) { - P->replaceAllUsesWith(ConstVal); + + if (Value *V = SimplifyInstruction(P)) { + P->replaceAllUsesWith(V); P->eraseFromParent(); Changed = true; } - + ++NumPhis; return Changed; |