diff options
Diffstat (limited to 'llvm/lib/CodeGen/CodeGenPrepare.cpp')
-rw-r--r-- | llvm/lib/CodeGen/CodeGenPrepare.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp index f9dcb47..2c53a9c 100644 --- a/llvm/lib/CodeGen/CodeGenPrepare.cpp +++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp @@ -8591,6 +8591,9 @@ static bool optimizeBranch(BranchInst *Branch, const TargetLowering &TLI, return false; Value *X = Cmp->getOperand(0); + if (!X->hasUseList()) + return false; + APInt CmpC = cast<ConstantInt>(Cmp->getOperand(1))->getValue(); for (auto *U : X->users()) { |