diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 6fe78cc9ca..1780f37283 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -1798,13 +1798,15 @@ void SelectionDAGLowering::visitSub(User &I) { if (ConstantVector *CV = dyn_cast<ConstantVector>(I.getOperand(0))) { const VectorType *DestTy = cast<VectorType>(I.getType()); const Type *ElTy = DestTy->getElementType(); - unsigned VL = DestTy->getNumElements(); - std::vector<Constant*> NZ(VL, ConstantFP::get(ElTy, -0.0)); - Constant *CNZ = ConstantVector::get(&NZ[0], NZ.size()); - if (CV == CNZ) { - SDOperand Op2 = getValue(I.getOperand(1)); - setValue(&I, DAG.getNode(ISD::FNEG, Op2.getValueType(), Op2)); - return; + if (ElTy->isFloatingPoint()) { + unsigned VL = DestTy->getNumElements(); + std::vector<Constant*> NZ(VL, ConstantFP::get(ElTy, -0.0)); + Constant *CNZ = ConstantVector::get(&NZ[0], NZ.size()); + if (CV == CNZ) { + SDOperand Op2 = getValue(I.getOperand(1)); + setValue(&I, DAG.getNode(ISD::FNEG, Op2.getValueType(), Op2)); + return; + } } } } |