OSchip
/
llvm-project
mirror of https://github.com/THU-DSP-LAB/llvm-project.git
13
0
Fork 6
Code Issues Packages Projects Releases Wiki Activity

[X86] Don't create X86ISD::VEXTRACT nodes directly. Use EXTRACT_VECTOR_ELT and allow that to be legaized to VEXTRACT. 

I think we can remove the VEXTRACT node completely and use a canonicalized EXTRACT_VECTOR_ELT instead. This is a first step.

llvm-svn: 320935
This commit is contained in:
Craig Topper 2017-12-17 01:35:44 +00:00
parent 5c0c93ed4c
commit c609dc8f55
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -20194,7 +20194,7 @@ SDValue X86TargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op,
SDValue FPclass = DAG.getNode(IntrData->Opc0, dl, MVT::v1i1, Src1, Imm);
SDValue FPclassMask = getScalarMaskingNode(FPclass, Mask, SDValue(),
Subtarget, DAG);
return DAG.getNode(X86ISD::VEXTRACT, dl, MVT::i8, FPclassMask,
return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::i8, FPclassMask,
DAG.getIntPtrConstant(0, dl));
}
case CMP_MASK:
@ -20261,7 +20261,7 @@ SDValue X86TargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op,
SDValue CmpMask = getScalarMaskingNode(Cmp, Mask, SDValue(),
Subtarget, DAG);
return DAG.getNode(X86ISD::VEXTRACT, dl, MVT::i8, CmpMask,
return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::i8, CmpMask,
DAG.getIntPtrConstant(0, dl));
}
case COMI: { // Comparison intrinsics
@ -20315,7 +20315,7 @@ SDValue X86TargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op,
else
FCmp = DAG.getNode(X86ISD::FSETCCM_RND, dl, MVT::v1i1, LHS, RHS,
DAG.getConstant(CondVal, dl, MVT::i8), Sae);
return DAG.getNode(X86ISD::VEXTRACT, dl, MVT::i32, FCmp,
return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::i32, FCmp,
DAG.getIntPtrConstant(0, dl));
}
case VSHIFT:
@ -32911,8 +32911,9 @@ static SDValue combineCompareEqual(SDNode *N, SelectionDAG &DAG,
SDValue FSetCC =
DAG.getNode(X86ISD::FSETCCM, DL, MVT::v1i1, CMP00, CMP01,
DAG.getConstant(x86cc, DL, MVT::i8));
return DAG.getNode(X86ISD::VEXTRACT, DL, N->getSimpleValueType(0),
FSetCC, DAG.getIntPtrConstant(0, DL));
return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL,
N->getSimpleValueType(0), FSetCC,
DAG.getIntPtrConstant(0, DL));
}
SDValue OnesOrZeroesF = DAG.getNode(X86ISD::FSETCC, DL,
CMP00.getValueType(), CMP00, CMP01,