diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp index 8d6beba6feb..d52ea2cf6eb 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp @@ -3849,7 +3849,8 @@ static Instruction *processUMulZExtIdiom(ICmpInst &I, Value *MulVal, // mul.with.overflow and adjust properly mask/size. if (MulVal->hasNUsesOrMore(2)) { Value *Mul = Builder.CreateExtractValue(Call, 0, "umul.value"); - for (User *U : MulVal->users()) { + for (auto UI = MulVal->user_begin(), UE = MulVal->user_end(); UI != UE;) { + User *U = *UI++; if (U == &I || U == OtherVal) continue; if (TruncInst *TI = dyn_cast<TruncInst>(U)) { |
