diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombinePHI.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombinePHI.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Transforms/InstCombine/InstCombinePHI.cpp b/lib/Transforms/InstCombine/InstCombinePHI.cpp index f7fc62f9dc..736473db1d 100644 --- a/lib/Transforms/InstCombine/InstCombinePHI.cpp +++ b/lib/Transforms/InstCombine/InstCombinePHI.cpp @@ -12,6 +12,7 @@ //===----------------------------------------------------------------------===// #include "InstCombine.h" +#include "llvm/Analysis/InstructionSimplify.h" #include "llvm/Target/TargetData.h" #include "llvm/ADT/SmallPtrSet.h" #include "llvm/ADT/STLExtras.h" @@ -731,8 +732,8 @@ Instruction *InstCombiner::SliceUpIllegalIntegerPHI(PHINode &FirstPhi) { Instruction *InstCombiner::visitPHINode(PHINode &PN) { // If LCSSA is around, don't mess with Phi nodes if (MustPreserveLCSSA) return 0; - - if (Value *V = PN.hasConstantValue()) + + if (Value *V = SimplifyInstruction(&PN, TD)) return ReplaceInstUsesWith(PN, V); // If all PHI operands are the same operation, pull them through the PHI, |