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[SLP] reduce duplicated code; NFC 

llvm-svn: 369250
This commit is contained in:
Sanjay Patel 2019-08-19 11:39:56 +00:00
parent fb443746a8
commit b38bac3699
1 changed files with 4 additions and 2 deletions
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6
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
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@ -2176,11 +2176,13 @@ void BoUpSLP::buildTree_rec(ArrayRef<Value *> VL, unsigned Depth,
if (Res.second)
UniqueValues.emplace_back(V);
}
if (UniqueValues.size() == VL.size()) {
size_t NumUniqueScalarValues = UniqueValues.size();
if (NumUniqueScalarValues == VL.size()) {
ReuseShuffleIndicies.clear();
} else {
LLVM_DEBUG(dbgs() << "SLP: Shuffle for reused scalars.\n");
if (UniqueValues.size() <= 1 || !llvm::isPowerOf2_32(UniqueValues.size())) {
if (NumUniqueScalarValues <= 1 ||
!llvm::isPowerOf2_32(NumUniqueScalarValues)) {
LLVM_DEBUG(dbgs() << "SLP: Scalar used twice in bundle.\n");
newTreeEntry(VL, None /*not vectorized*/, UserTreeIdx);
return;