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revert this patch for now, it causes failures of:

Browse Source 
LLVM::Transforms/GVN/2009-02-17-LoadPRECrash.ll
    LLVM::Transforms/GVN/2009-06-17-InvalidPRE.ll



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90096 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-11-29 21:14:59 +00:00
parent 1903d97c2c
commit ae3d24880d
1 changed files with 2 additions and 12 deletions
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14
lib/Analysis/MemoryDependenceAnalysis.cpp
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@ -1156,18 +1156,8 @@ getNonLocalPointerDepFromBB(Value *Pointer, uint64_t PointeeSize,
// that predecessor. We can still do PRE of the load, which would insert
// a computation of the pointer in this predecessor.
if (PredPtr == 0) {
// Add the entry to the Result list.
NonLocalDepEntry Entry(Pred,
MemDepResult::getClobber(Pred->getTerminator()));
Result.push_back(Entry);
// Add it to the cache for this CacheKey so that subsequent queries get
// this result.
Cache = &NonLocalPointerDeps[CacheKey].second;
MemoryDependenceAnalysis::NonLocalDepInfo::iterator It =
std::upper_bound(Cache->begin(), Cache->end(), Entry);
Cache->insert(It, Entry);
Cache = 0;
Result.push_back(NonLocalDepEntry(Pred,
MemDepResult::getClobber(Pred->getTerminator())));
continue;
}