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[X86][SSE] Don't use PSHUFD directly - lower with generic shuffle 

Remove the last user of the old getTargetShuffleNode helpers

llvm-svn: 281499
This commit is contained in:
Simon Pilgrim 2016-09-14 17:04:22 +00:00
parent 284582b6d4
commit fbbb28ebb3
1 changed files with 1 additions and 17 deletions
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18
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -3848,21 +3848,6 @@ static bool isTargetShuffleVariableMask(unsigned Opcode) {
}
}
static SDValue getTargetShuffleNode(unsigned Opc, const SDLoc &dl, MVT VT,
SDValue V1, unsigned TargetMask,
SelectionDAG &DAG) {
switch(Opc) {
default: llvm_unreachable("Unknown x86 shuffle node");
case X86ISD::PSHUFD:
case X86ISD::PSHUFHW:
case X86ISD::PSHUFLW:
case X86ISD::VPERMILPI:
case X86ISD::VPERMI:
return DAG.getNode(Opc, dl, VT, V1,
DAG.getConstant(TargetMask, dl, MVT::i8));
}
}
SDValue X86TargetLowering::getReturnAddressFrameIndex(SelectionDAG &DAG) const {
MachineFunction &MF = DAG.getMachineFunction();
const X86RegisterInfo *RegInfo = Subtarget.getRegisterInfo();
@ -13689,8 +13674,7 @@ SDValue X86TargetLowering::LowerUINT_TO_FP_i64(SDValue Op,
Result = DAG.getNode(X86ISD::FHADD, dl, MVT::v2f64, Sub, Sub);
} else {
SDValue S2F = DAG.getBitcast(MVT::v4i32, Sub);
SDValue Shuffle = getTargetShuffleNode(X86ISD::PSHUFD, dl, MVT::v4i32,
S2F, 0x4E, DAG);
SDValue Shuffle = DAG.getVectorShuffle(MVT::v4i32, dl, S2F, S2F, {2,3,0,1});
Result = DAG.getNode(ISD::FADD, dl, MVT::v2f64,
DAG.getBitcast(MVT::v2f64, Shuffle), Sub);
}