diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/Reassociate.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/Reassociate.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/Reassociate.cpp b/llvm/lib/Transforms/Scalar/Reassociate.cpp index 4e02255..0fd64e3 100644 --- a/llvm/lib/Transforms/Scalar/Reassociate.cpp +++ b/llvm/lib/Transforms/Scalar/Reassociate.cpp @@ -917,10 +917,13 @@ void Reassociate::RewriteExprTree(BinaryOperator *I, /// version of the value is returned, and BI is left pointing at the instruction /// that should be processed next by the reassociation pass. static Value *NegateValue(Value *V, Instruction *BI) { - if (ConstantFP *C = dyn_cast<ConstantFP>(V)) - return ConstantExpr::getFNeg(C); - if (Constant *C = dyn_cast<Constant>(V)) + if (Constant *C = dyn_cast<Constant>(V)) { + if (C->getType()->isFPOrFPVectorTy()) { + return ConstantExpr::getFNeg(C); + } return ConstantExpr::getNeg(C); + } + // We are trying to expose opportunity for reassociation. One of the things // that we want to do to achieve this is to push a negation as deep into an |