diff options
| -rw-r--r-- | llvm/lib/Analysis/MemoryDependenceAnalysis.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp b/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp index b5069ecbc92..49dfeb5d3ff 100644 --- a/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp +++ b/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp @@ -1156,8 +1156,18 @@ 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) { - Result.push_back(NonLocalDepEntry(Pred, - MemDepResult::getClobber(Pred->getTerminator()))); + // 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; continue; } |
