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[X86] Use getUnpackl/getUnpackh instead of directly creating UNPCKL/UNPCKH nodes.

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llvm-svn: 347642
This commit is contained in:
Craig Topper 2018-11-27 06:24:56 +00:00
parent a509ba53fd
commit 98b042f678
1 changed files with 8 additions and 8 deletions
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16
lib/Target/X86/X86ISelLowering.cpp
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@ -24549,10 +24549,10 @@ static SDValue LowerShift(SDValue Op, const X86Subtarget &Subtarget,
// For SRA we need to unpack each byte to the higher byte of a i16 vector
// so we can correctly sign extend. We don't care what happens to the
// lower byte.
SDValue ALo = DAG.getNode(X86ISD::UNPCKL, dl, VT, DAG.getUNDEF(VT), Amt);
SDValue AHi = DAG.getNode(X86ISD::UNPCKH, dl, VT, DAG.getUNDEF(VT), Amt);
SDValue RLo = DAG.getNode(X86ISD::UNPCKL, dl, VT, DAG.getUNDEF(VT), R);
SDValue RHi = DAG.getNode(X86ISD::UNPCKH, dl, VT, DAG.getUNDEF(VT), R);
SDValue ALo = getUnpackl(DAG, dl, VT, DAG.getUNDEF(VT), Amt);
SDValue AHi = getUnpackh(DAG, dl, VT, DAG.getUNDEF(VT), Amt);
SDValue RLo = getUnpackl(DAG, dl, VT, DAG.getUNDEF(VT), R);
SDValue RHi = getUnpackh(DAG, dl, VT, DAG.getUNDEF(VT), R);
ALo = DAG.getBitcast(ExtVT, ALo);
AHi = DAG.getBitcast(ExtVT, AHi);
RLo = DAG.getBitcast(ExtVT, RLo);
@ -24595,10 +24595,10 @@ static SDValue LowerShift(SDValue Op, const X86Subtarget &Subtarget,
if (Subtarget.hasInt256() && !Subtarget.hasXOP() && VT == MVT::v16i16) {
MVT ExtVT = MVT::v8i32;
SDValue Z = DAG.getConstant(0, dl, VT);
SDValue ALo = DAG.getNode(X86ISD::UNPCKL, dl, VT, Amt, Z);
SDValue AHi = DAG.getNode(X86ISD::UNPCKH, dl, VT, Amt, Z);
SDValue RLo = DAG.getNode(X86ISD::UNPCKL, dl, VT, Z, R);
SDValue RHi = DAG.getNode(X86ISD::UNPCKH, dl, VT, Z, R);
SDValue ALo = getUnpackl(DAG, dl, VT, Amt, Z);
SDValue AHi = getUnpackh(DAG, dl, VT, Amt, Z);
SDValue RLo = getUnpackl(DAG, dl, VT, Z, R);
SDValue RHi = getUnpackh(DAG, dl, VT, Z, R);
ALo = DAG.getBitcast(ExtVT, ALo);
AHi = DAG.getBitcast(ExtVT, AHi);
RLo = DAG.getBitcast(ExtVT, RLo);