diff options
Diffstat (limited to 'llvm/lib/IR/ConstantRange.cpp')
| -rw-r--r-- | llvm/lib/IR/ConstantRange.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/IR/ConstantRange.cpp b/llvm/lib/IR/ConstantRange.cpp index a33d062dbea..509caba3acd 100644 --- a/llvm/lib/IR/ConstantRange.cpp +++ b/llvm/lib/IR/ConstantRange.cpp @@ -757,7 +757,8 @@ ConstantRange::multiply(const ConstantRange &Other) const { // from one positive number to another which is as good as we can generate. // In this case, skip the extra work of generating signed ranges which aren't // going to be better than this range. - if (!UR.isWrappedSet() && UR.getLower().isNonNegative()) + if (!UR.isWrappedSet() && + (UR.getUpper().isNonNegative() || UR.getUpper().isMinSignedValue())) return UR; // Now the signed range. Because we could be dealing with negative numbers |
