diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp index cab7f03ab0f..17ae9719011 100644 --- a/lib/Transforms/Utils/Local.cpp +++ b/lib/Transforms/Utils/Local.cpp @@ -190,14 +190,7 @@ void llvm::RecursivelyDeleteTriviallyDeadInstructions(Value *V, while (!Insts.empty()) { I = *Insts.begin(); Insts.erase(I); - - // If this is a PHI node, we may be able to make it dead if we know all the - // input values are the same. - if (PHINode *PN = dyn_cast(I)) { - if (Value *PNV = PN->hasConstantValue()) - PN->replaceAllUsesWith(PNV); - } - + // Okay, if the instruction is dead, delete it. if (!isInstructionTriviallyDead(I)) continue;