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[SystemZ] Fix typos in comments.

This commit is contained in:
Jonas Paulsson 2020-03-27 12:31:48 +01:00
parent 8689f98e9b
commit 35173dddd1
1 changed files with 3 additions and 3 deletions
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6
llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
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@ -4389,7 +4389,7 @@ static bool getShuffleInput(const SmallVectorImpl<int> &Bytes, unsigned Start,
}
// Bytes is a VPERM-like permute vector, except that -1 is used for
// undefined bytes. Return true if it can be performed using VSLDI.
// undefined bytes. Return true if it can be performed using VSLDB.
// When returning true, set StartIndex to the shift amount and OpNo0
// and OpNo1 to the VPERM operands that should be used as the first
// and second shift operand respectively.
@ -4449,14 +4449,14 @@ static SDValue getPermuteNode(SelectionDAG &DAG, const SDLoc &DL,
// Bytes is a VPERM-like permute vector, except that -1 is used for
// undefined bytes. Implement it on operands Ops[0] and Ops[1] using
// VSLDI or VPERM.
// VSLDB or VPERM.
static SDValue getGeneralPermuteNode(SelectionDAG &DAG, const SDLoc &DL,
SDValue *Ops,
const SmallVectorImpl<int> &Bytes) {
for (unsigned I = 0; I < 2; ++I)
Ops[I] = DAG.getNode(ISD::BITCAST, DL, MVT::v16i8, Ops[I]);
// First see whether VSLDI can be used.
// First see whether VSLDB can be used.
unsigned StartIndex, OpNo0, OpNo1;
if (isShlDoublePermute(Bytes, StartIndex, OpNo0, OpNo1))
return DAG.getNode(SystemZISD::SHL_DOUBLE, DL, MVT::v16i8, Ops[OpNo0],