diff options
| -rw-r--r-- | lib/VMCore/Constants.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp index 70d4357..d71dc2c 100644 --- a/lib/VMCore/Constants.cpp +++ b/lib/VMCore/Constants.cpp @@ -607,7 +607,10 @@ Constant* ConstantVector::get(Constant* const* Vals, unsigned NumVals) { Constant* ConstantExpr::getExactSDiv(Constant* C1, Constant* C2) { Constant *C = getSDiv(C1, C2); - cast<SDivOperator>(C)->setIsExact(true); + // Set exact attribute, assuming constant folding didn't eliminate the + // SDiv. + if (SDivOperator *SDiv = dyn_cast<SDivOperator>(C)) + SDiv->setIsExact(true); return C; } |