diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index 8f1626a149a..394c951630c 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -5174,7 +5174,7 @@ static void reuseTableCompare( for (auto ValuePair : Values) { Constant *CaseConst = ConstantExpr::getICmp(CmpInst->getPredicate(), ValuePair.second, CmpOp1, true); - if (!CaseConst || CaseConst == DefaultConst) + if (!CaseConst || CaseConst == DefaultConst || isa<UndefValue>(CaseConst)) return; assert((CaseConst == TrueConst || CaseConst == FalseConst) && "Expect true or false as compare result."); |
