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[X86][SSE] Rename target shuffle unary permute matching function. NFCI. 

In preparation for adding a binary permute matching function.

llvm-svn: 277737
This commit is contained in:
Simon Pilgrim 2016-08-04 17:16:50 +00:00
parent bf82f44e7b
commit 3dbce52c16
1 changed files with 6 additions and 6 deletions
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12
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -24841,10 +24841,10 @@ static bool matchUnaryVectorShuffle(MVT SrcVT, ArrayRef<int> Mask,
// Attempt to match a combined shuffle mask against supported unary immediate // Attempt to match a combined shuffle mask against supported unary immediate
// permute instructions. // permute instructions.
// TODO: Investigate sharing more of this with shuffle lowering. // TODO: Investigate sharing more of this with shuffle lowering.
static bool matchPermuteVectorShuffle(MVT SrcVT, ArrayRef<int> Mask, static bool matchUnaryPermuteVectorShuffle(MVT SrcVT, ArrayRef<int> Mask,
const X86Subtarget &Subtarget, const X86Subtarget &Subtarget,
unsigned &Shuffle, MVT &ShuffleVT, unsigned &Shuffle, MVT &ShuffleVT,
unsigned &PermuteImm) { unsigned &PermuteImm) {
// Ensure we don't contain any zero elements. // Ensure we don't contain any zero elements.
for (int M : Mask) { for (int M : Mask) {
if (M == SM_SentinelZero) if (M == SM_SentinelZero)
@ -25116,8 +25116,8 @@ static bool combineX86ShuffleChain(SDValue Input, SDValue Root,
return true; return true;
} }
if (matchPermuteVectorShuffle(VT, Mask, Subtarget, Shuffle, ShuffleVT, if (matchUnaryPermuteVectorShuffle(VT, Mask, Subtarget, Shuffle, ShuffleVT,
PermuteImm)) { PermuteImm)) {
if (Depth == 1 && Root.getOpcode() == Shuffle) if (Depth == 1 && Root.getOpcode() == Shuffle)
return false; // Nothing to do! return false; // Nothing to do!
Res = DAG.getBitcast(ShuffleVT, Input); Res = DAG.getBitcast(ShuffleVT, Input);