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[X86] getPMOVMSKB - add MVT::v64i8 handling and remove from combineBitcastvxi1. NFCI. 

llvm-svn: 370670
This commit is contained in:
Simon Pilgrim 2019-09-02 15:10:35 +00:00
parent 78e8011a29
commit fb5661a884
1 changed files with 12 additions and 11 deletions
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23
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -26557,6 +26557,17 @@ static SDValue getPMOVMSKB(const SDLoc &DL, SDValue V, SelectionDAG &DAG,
const X86Subtarget &Subtarget) {
MVT InVT = V.getSimpleValueType();
if (InVT == MVT::v64i8) {
SDValue Lo, Hi;
std::tie(Lo, Hi) = DAG.SplitVector(V, DL);
Lo = getPMOVMSKB(DL, Lo, DAG, Subtarget);
Hi = getPMOVMSKB(DL, Hi, DAG, Subtarget);
Lo = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::i64, Lo);
Hi = DAG.getNode(ISD::ANY_EXTEND, DL, MVT::i64, Hi);
Hi = DAG.getNode(ISD::SHL, DL, MVT::i64, Hi,
DAG.getConstant(32, DL, MVT::i8));
return DAG.getNode(ISD::OR, DL, MVT::i64, Lo, Hi);
}
if (InVT == MVT::v32i8 && !Subtarget.hasInt256()) {
SDValue Lo, Hi;
std::tie(Lo, Hi) = DAG.SplitVector(V, DL);
@ -35251,17 +35262,7 @@ static SDValue combineBitcastvxi1(SelectionDAG &DAG, EVT VT, SDValue Src,
SDValue V = DAG.getNode(ISD::SIGN_EXTEND, DL, SExtVT, Src);
if (SExtVT == MVT::v64i8) {
SDValue Lo, Hi;
std::tie(Lo, Hi) = DAG.SplitVector(V, DL);
Lo = DAG.getNode(X86ISD::MOVMSK, DL, MVT::i32, Lo);
Lo = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::i64, Lo);
Hi = DAG.getNode(X86ISD::MOVMSK, DL, MVT::i32, Hi);
Hi = DAG.getNode(ISD::ANY_EXTEND, DL, MVT::i64, Hi);
Hi = DAG.getNode(ISD::SHL, DL, MVT::i64, Hi,
DAG.getConstant(32, DL, MVT::i8));
V = DAG.getNode(ISD::OR, DL, MVT::i64, Lo, Hi);
} else if (SExtVT == MVT::v16i8 || SExtVT == MVT::v32i8) {
if (SExtVT == MVT::v16i8 || SExtVT == MVT::v32i8 || SExtVT == MVT::v64i8) {
V = getPMOVMSKB(DL, V, DAG, Subtarget);
} else {
if (SExtVT == MVT::v8i16)