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Fix `-Wsign-compare` warning. NFC.

This commit is contained in:
Michael Liao 2020-03-28 01:40:31 -04:00
parent 8330dcadb8
commit d2dd0fac48
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/Target/X86/X86PartialReduction.cpp
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@ -372,7 +372,7 @@ bool X86PartialReduction::trySADReplacement(Value *Op, BinaryOperator *Add) {
unsigned Stages = Log2_32(NumSplits);
for (unsigned s = Stages; s > 0; --s) {
unsigned NumConcatElts = Ops[0]->getType()->getVectorNumElements() * 2;
for (unsigned i = 0; i != 1 << (s - 1); ++i) {
for (unsigned i = 0; i != 1U << (s - 1); ++i) {
SmallVector<uint32_t, 64> ConcatMask(NumConcatElts);
std::iota(ConcatMask.begin(), ConcatMask.end(), 0);
Ops[i] = Builder.CreateShuffleVector(Ops[i*2], Ops[i*2+1], ConcatMask);