diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp index ed90813fbc..d12711a58d 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp @@ -28,8 +28,8 @@ using namespace llvm; // little/big-endian machines, followed by the Hi/Lo part. This means that // they cannot be used as is on vectors, for which Lo is always stored first. -void DAGTypeLegalizer::ExpandRes_BIT_CONVERT(SDNode *N, - SDOperand &Lo, SDOperand &Hi) { +void DAGTypeLegalizer::ExpandRes_BIT_CONVERT(SDNode *N, SDOperand &Lo, + SDOperand &Hi) { MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); SDOperand InOp = N->getOperand(0); MVT InVT = InOp.getValueType(); @@ -78,15 +78,29 @@ void DAGTypeLegalizer::ExpandRes_BIT_CONVERT(SDNode *N, ExpandRes_NormalLoad(Op.Val, Lo, Hi); } -void DAGTypeLegalizer::ExpandRes_BUILD_PAIR(SDNode *N, - SDOperand &Lo, SDOperand &Hi) { +void DAGTypeLegalizer::ExpandRes_BUILD_PAIR(SDNode *N, SDOperand &Lo, + SDOperand &Hi) { // Return the operands. Lo = N->getOperand(0); Hi = N->getOperand(1); } -void DAGTypeLegalizer::ExpandRes_EXTRACT_VECTOR_ELT(SDNode *N, - SDOperand &Lo, +void DAGTypeLegalizer::ExpandRes_EXTRACT_ELEMENT(SDNode *N, SDOperand &Lo, + SDOperand &Hi) { + GetExpandedOp(N->getOperand(0), Lo, Hi); + SDOperand Part = cast<ConstantSDNode>(N->getOperand(1))->getValue() ? Hi : Lo; + + assert(Part.getValueType() == N->getValueType(0) && + "Type twice as big as expanded type not itself expanded!"); + MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + + Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, NVT, Part, + DAG.getConstant(0, TLI.getPointerTy())); + Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, NVT, Part, + DAG.getConstant(1, TLI.getPointerTy())); +} + +void DAGTypeLegalizer::ExpandRes_EXTRACT_VECTOR_ELT(SDNode *N, SDOperand &Lo, SDOperand &Hi) { SDOperand OldVec = N->getOperand(0); unsigned OldElts = OldVec.getValueType().getVectorNumElements(); |