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Fixes for post-commit review comments on r277480

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llvm-svn: 277510
This commit is contained in:
Daniel Berlin 2016-08-02 20:02:21 +00:00
parent 9c298de15a
commit 25c482560c
1 changed files with 10 additions and 12 deletions
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22
lib/Transforms/Utils/MemorySSA.cpp
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@ -1113,15 +1113,14 @@ public:
if (IsCall)
return CS.getCalledValue() == Other.CS.getCalledValue();
else
return Loc == Other.Loc;
return Loc == Other.Loc;
}
private:
// FIXME: MSVC 2013 does not properly implement C++11 union rules, once we
// require newer versions, this should be made an anonymous union again.
ImmutableCallSite CS;
MemoryLocation Loc;
ImmutableCallSite CS;
MemoryLocation Loc;
};
template <> struct DenseMapInfo<MemoryLocOrCall> {
@ -1136,10 +1135,8 @@ template <> struct DenseMapInfo<MemoryLocOrCall> {
return hash_combine(MLOC.IsCall,
DenseMapInfo<const Value *>::getHashValue(
MLOC.getCS().getCalledValue()));
else
return hash_combine(
MLOC.IsCall,
DenseMapInfo<MemoryLocation>::getHashValue(MLOC.getLoc()));
return hash_combine(
MLOC.IsCall, DenseMapInfo<MemoryLocation>::getHashValue(MLOC.getLoc()));
}
static bool isEqual(const MemoryLocOrCall &LHS, const MemoryLocOrCall &RHS) {
return LHS == RHS;
@ -1243,7 +1240,7 @@ void MemorySSA::OptimizeUses::optimizeUsesInBlock(
MemoryLocOrCall UseMLOC(MU);
auto &LocInfo = LocStackInfo[UseMLOC];
// If the pop epoch changed, if means we've removed stuff from top of
// If the pop epoch changed, it means we've removed stuff from top of
// stack due to changing blocks. We may have to reset the lower bound or
// last kill info.
if (LocInfo.PopEpoch != PopEpoch) {
@ -1280,9 +1277,10 @@ void MemorySSA::OptimizeUses::optimizeUsesInBlock(
unsigned long UpperBound = VersionStack.size() - 1;
if (UpperBound - LocInfo.LowerBound > MaxCheckLimit) {
DEBUG(dbgs() << "We are being asked to check up to "
<< UpperBound - LocInfo.LowerBound
<< " loads and stores, so we didn't.\n");
DEBUG(dbgs() << "MemorySSA skipping optimization of " << *MU << " ("
<< *(MU->getMemoryInst()) << ")"
<< " because there are " << UpperBound - LocInfo.LowerBound
<< " stores to disambiguate\n");
// Because we did not walk, LastKill is no longer valid, as this may
// have been a kill.
LocInfo.LastKillValid = false;