diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index e074655f8b5..bd6a52739d5 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -21385,10 +21385,6 @@ static SDValue getVectorMaskingNode(SDValue Op, SDValue Mask, case X86ISD::VPSHUFBITQMB: case X86ISD::VFPCLASS: return DAG.getNode(ISD::AND, dl, VT, Op, VMask); - case ISD::TRUNCATE: - case X86ISD::VTRUNC: - case X86ISD::VTRUNCS: - case X86ISD::VTRUNCUS: case X86ISD::CVTPS2PH: // We can't use ISD::VSELECT here because it is not always "Legal" // for the destination type. For example vpmovqb require only AVX512 @@ -22068,6 +22064,22 @@ SDValue X86TargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op, SDValue Results[] = { SetCC, Res }; return DAG.getMergeValues(Results, dl); } + case TRUNCATE_TO_REG: { + SDValue Src = Op.getOperand(1); + SDValue PassThru = Op.getOperand(2); + SDValue Mask = Op.getOperand(3); + + if (isAllOnesConstant(Mask)) + return getVectorMaskingNode(DAG.getNode(IntrData->Opc0, dl, + Op.getValueType(), Src), + Mask, PassThru, Subtarget, DAG); + + MVT SrcVT = Src.getSimpleValueType(); + MVT MaskVT = MVT::getVectorVT(MVT::i1, SrcVT.getVectorNumElements()); + Mask = getMaskNode(Mask, MaskVT, Subtarget, DAG, dl); + return DAG.getNode(IntrData->Opc1, dl, Op.getValueType(), Src, PassThru, + Mask); + } default: break; } @@ -27172,6 +27184,9 @@ const char *X86TargetLowering::getTargetNodeName(unsigned Opcode) const { case X86ISD::VTRUNC: return "X86ISD::VTRUNC"; case X86ISD::VTRUNCS: return "X86ISD::VTRUNCS"; case X86ISD::VTRUNCUS: return "X86ISD::VTRUNCUS"; + case X86ISD::VMTRUNC: return "X86ISD::VMTRUNC"; + case X86ISD::VMTRUNCS: return "X86ISD::VMTRUNCS"; + case X86ISD::VMTRUNCUS: return "X86ISD::VMTRUNCUS"; case X86ISD::VTRUNCSTORES: return "X86ISD::VTRUNCSTORES"; case X86ISD::VTRUNCSTOREUS: return "X86ISD::VTRUNCSTOREUS"; case X86ISD::VMTRUNCSTORES: return "X86ISD::VMTRUNCSTORES"; |
