diff options
Diffstat (limited to 'llvm/lib/IR/ConstantFold.cpp')
| -rw-r--r-- | llvm/lib/IR/ConstantFold.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp index 863b2c4bf41..a338d01a83d 100644 --- a/llvm/lib/IR/ConstantFold.cpp +++ b/llvm/lib/IR/ConstantFold.cpp @@ -1529,6 +1529,10 @@ static ICmpInst::Predicate evaluateICmpRelation(Constant *V1, Constant *V2, case Instruction::BitCast: case Instruction::ZExt: case Instruction::SExt: + // We can't evaluate floating point casts or truncations. + if (CE1Op0->getType()->isFloatingPointTy()) + break; + // If the cast is not actually changing bits, and the second operand is a // null pointer, do the comparison with the pre-casted value. if (V2->isNullValue() && |
