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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-02-21 16:35:40 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-02-21 16:35:40 +0000 |
| commit | 82d33b7c44c0f3de2ab6b541d11a37a29139e2ce (patch) | |
| tree | 4062db7c5049f49c826ba59b0208280204501918 /llvm | |
| parent | 352f92c8d66fc1504d5c686f8f62809c380249df (diff) | |
| download | bcm5719-llvm-82d33b7c44c0f3de2ab6b541d11a37a29139e2ce.tar.gz bcm5719-llvm-82d33b7c44c0f3de2ab6b541d11a37a29139e2ce.zip | |
[X86] LowerBITCAST - pull out repeated calls to getOperand(0). NFCI.
llvm-svn: 325695
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 9d0d7f25afd..7db31bb0a16 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -23703,7 +23703,8 @@ static SDValue LowerCMP_SWAP(SDValue Op, const X86Subtarget &Subtarget, static SDValue LowerBITCAST(SDValue Op, const X86Subtarget &Subtarget, SelectionDAG &DAG) { - MVT SrcVT = Op.getOperand(0).getSimpleValueType(); + SDValue Src = Op.getOperand(0); + MVT SrcVT = Src.getSimpleValueType(); MVT DstVT = Op.getSimpleValueType(); // Legalize (v64i1 (bitcast i64 (X))) by splitting the i64, bitcasting each @@ -23711,12 +23712,11 @@ static SDValue LowerBITCAST(SDValue Op, const X86Subtarget &Subtarget, if (SrcVT == MVT::i64 && DstVT == MVT::v64i1) { assert(!Subtarget.is64Bit() && "Expected 32-bit mode"); assert(Subtarget.hasBWI() && "Expected BWI target"); - SDValue Op0 = Op->getOperand(0); SDLoc dl(Op); - SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Op0, + SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Src, DAG.getIntPtrConstant(0, dl)); Lo = DAG.getBitcast(MVT::v32i1, Lo); - SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Op0, + SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Src, DAG.getIntPtrConstant(1, dl)); Hi = DAG.getBitcast(MVT::v32i1, Hi); return DAG.getNode(ISD::CONCAT_VECTORS, dl, MVT::v64i1, Lo, Hi); @@ -23729,7 +23729,6 @@ static SDValue LowerBITCAST(SDValue Op, const X86Subtarget &Subtarget, // This conversion needs to be expanded. return SDValue(); - SDValue Op0 = Op->getOperand(0); SmallVector<SDValue, 16> Elts; SDLoc dl(Op); unsigned NumElts; @@ -23741,14 +23740,14 @@ static SDValue LowerBITCAST(SDValue Op, const X86Subtarget &Subtarget, // Widen the vector in input in the case of MVT::v2i32. // Example: from MVT::v2i32 to MVT::v4i32. for (unsigned i = 0, e = NumElts; i != e; ++i) - Elts.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, SVT, Op0, + Elts.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, SVT, Src, DAG.getIntPtrConstant(i, dl))); } else { assert(SrcVT == MVT::i64 && !Subtarget.is64Bit() && "Unexpected source type in LowerBITCAST"); - Elts.push_back(DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Op0, + Elts.push_back(DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Src, DAG.getIntPtrConstant(0, dl))); - Elts.push_back(DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Op0, + Elts.push_back(DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Src, DAG.getIntPtrConstant(1, dl))); NumElts = 2; SVT = MVT::i32; |
