Use isUnitValue() instead of getZExtValue() == 1 which will prevent an

assert if the ConstantInt's value is large.

llvm-svn: 34814

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Scalar/Reassociate.cpp b/llvm/lib/Transforms/Scalar/Reassociate.cpp
index e1dbb9b0d1b..aa851b290f4 100644
--- a/llvm/lib/Transforms/Scalar/Reassociate.cpp
+++ b/llvm/lib/Transforms/Scalar/Reassociate.cpp
@@ -547,7 +547,7 @@ Value *Reassociate::OptimizeExpression(BinaryOperator *I,
       if (CstVal->isNullValue()) {           // ... * 0 -> 0
         ++NumAnnihil;
         return CstVal;
-      } else if (cast<ConstantInt>(CstVal)->getZExtValue() == 1) {
+      } else if (cast<ConstantInt>(CstVal)->isUnitValue()) {
         Ops.pop_back();                      // ... * 1 -> ...
       }
       break;