diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 28 |
1 files changed, 5 insertions, 23 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 410447b1b46..70d053d10d0 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -2973,7 +2973,8 @@ void SelectionDAGLegalize::PromoteNode(SDNode *Node, SmallVectorImpl<SDValue> &Results) { MVT OVT = Node->getValueType(0); if (Node->getOpcode() == ISD::UINT_TO_FP || - Node->getOpcode() == ISD::SINT_TO_FP) { + Node->getOpcode() == ISD::SINT_TO_FP || + Node->getOpcode() == ISD::SETCC) { OVT = Node->getOperand(0).getValueType(); } MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); @@ -3085,30 +3086,11 @@ void SelectionDAGLegalize::PromoteNode(SDNode *Node, break; } case ISD::SETCC: { - // First step, figure out the appropriate operation to use. - // Allow SETCC to not be supported for all legal data types - // Mostly this targets FP - MVT NewInTy = Node->getOperand(0).getValueType(); - MVT OldVT = NewInTy; OldVT = OldVT; - - // Scan for the appropriate larger type to use. - while (1) { - NewInTy = (MVT::SimpleValueType)(NewInTy.getSimpleVT()+1); - - assert(NewInTy.isInteger() == OldVT.isInteger() && - "Fell off of the edge of the integer world"); - assert(NewInTy.isFloatingPoint() == OldVT.isFloatingPoint() && - "Fell off of the edge of the floating point world"); - - // If the target supports SETCC of this type, use it. - if (TLI.isOperationLegalOrCustom(ISD::SETCC, NewInTy)) - break; - } - if (NewInTy.isInteger()) + if (NVT.isInteger()) llvm_unreachable("Cannot promote Legal Integer SETCC yet"); else { - Tmp1 = DAG.getNode(ISD::FP_EXTEND, dl, NewInTy, Tmp1); - Tmp2 = DAG.getNode(ISD::FP_EXTEND, dl, NewInTy, Tmp2); + Tmp1 = DAG.getNode(ISD::FP_EXTEND, dl, NVT, Node->getOperand(0)); + Tmp2 = DAG.getNode(ISD::FP_EXTEND, dl, NVT, Node->getOperand(1)); } Results.push_back(DAG.getNode(ISD::SETCC, dl, Node->getValueType(0), Tmp1, Tmp2, Node->getOperand(2))); |
