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[LAA] clang-format the function couldPreventStoreLoadForward. NFC

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llvm-svn: 269666
This commit is contained in:
Adam Nemet 2016-05-16 16:57:42 +00:00
parent 6566530702
commit 808c28863c
1 changed files with 9 additions and 9 deletions
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18
lib/Analysis/LoopAccessAnalysis.cpp
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@ -1081,28 +1081,28 @@ bool MemoryDepChecker::couldPreventStoreLoadForward(unsigned Distance,
// hence on your typical architecture store-load forwarding does not take
// place. Vectorizing in such cases does not make sense.
// Store-load forwarding distance.
const unsigned NumCyclesForStoreLoadThroughMemory = 8*TypeByteSize;
const unsigned NumCyclesForStoreLoadThroughMemory = 8 * TypeByteSize;
// Maximum vector factor.
unsigned MaxVFWithoutSLForwardIssues = std::min(
VectorizerParams::MaxVectorWidth * TypeByteSize, MaxSafeDepDistBytes);
for (unsigned vf = 2*TypeByteSize; vf <= MaxVFWithoutSLForwardIssues;
vf *= 2) {
if (Distance % vf && Distance / vf < NumCyclesForStoreLoadThroughMemory) {
MaxVFWithoutSLForwardIssues = (vf >>=1);
for (unsigned VF = 2 * TypeByteSize; VF <= MaxVFWithoutSLForwardIssues;
VF *= 2) {
if (Distance % VF && Distance / VF < NumCyclesForStoreLoadThroughMemory) {
MaxVFWithoutSLForwardIssues = (VF >>= 1);
break;
}
}
if (MaxVFWithoutSLForwardIssues< 2*TypeByteSize) {
DEBUG(dbgs() << "LAA: Distance " << Distance <<
" that could cause a store-load forwarding conflict\n");
if (MaxVFWithoutSLForwardIssues < 2 * TypeByteSize) {
DEBUG(dbgs() << "LAA: Distance " << Distance
<< " that could cause a store-load forwarding conflict\n");
return true;
}
if (MaxVFWithoutSLForwardIssues < MaxSafeDepDistBytes &&
MaxVFWithoutSLForwardIssues !=
VectorizerParams::MaxVectorWidth * TypeByteSize)
VectorizerParams::MaxVectorWidth * TypeByteSize)
MaxSafeDepDistBytes = MaxVFWithoutSLForwardIssues;
return false;
}