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[X86] Now unreachable handling for f64->v2i32/v4i16/v8i8 bitcasts from ReplaceNodeResults. 

We rely on the generic type legalizer for this now.

llvm-svn: 368388
This commit is contained in:
Craig Topper 2019-08-09 03:09:19 +00:00
parent d871f638d7
commit 6f81db0f68
1 changed files with 0 additions and 14 deletions
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14
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -28104,20 +28104,6 @@ void X86TargetLowering::ReplaceNodeResults(SDNode *N,
return;
}
if (SrcVT != MVT::f64 ||
(DstVT != MVT::v2i32 && DstVT != MVT::v4i16 && DstVT != MVT::v8i8) ||
getTypeAction(*DAG.getContext(), DstVT) == TypeWidenVector)
return;
unsigned NumElts = DstVT.getVectorNumElements();
EVT SVT = DstVT.getVectorElementType();
EVT WiderVT = EVT::getVectorVT(*DAG.getContext(), SVT, NumElts * 2);
SDValue Res;
Res = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, MVT::v2f64, N->getOperand(0));
Res = DAG.getBitcast(WiderVT, Res);
Res = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, DstVT, Res,
DAG.getIntPtrConstant(0, dl));
Results.push_back(Res);
return;
}
case ISD::MGATHER: {