[llvm-commits] [llvm] r118752 - /llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp
Dan Gohman
gohman at apple.com
Wed Nov 10 16:42:22 PST 2010
Author: djg
Date: Wed Nov 10 18:42:22 2010
New Revision: 118752
URL: http://llvm.org/viewvc/llvm-project?rev=118752&view=rev
Log:
It's not necessary to clear out the Size and TBAATag at each of
these points.
Modified:
llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp
Modified: llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp?rev=118752&r1=118751&r2=118752&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp Wed Nov 10 18:42:22 2010
@@ -858,11 +858,8 @@
// otherwise it isn't.
if (Cache->empty())
CacheInfo->Pair = BBSkipFirstBlockPair(StartBB, SkipFirstBlock);
- else {
+ else
CacheInfo->Pair = BBSkipFirstBlockPair();
- CacheInfo->Size = AliasAnalysis::UnknownSize;
- CacheInfo->TBAATag = 0;
- }
SmallVector<BasicBlock*, 32> Worklist;
Worklist.push_back(StartBB);
@@ -986,8 +983,6 @@
// cached value to do more work but not miss the phi trans failure.
NonLocalPointerInfo &NLPI = NonLocalPointerDeps[CacheKey];
NLPI.Pair = BBSkipFirstBlockPair();
- NLPI.Size = AliasAnalysis::UnknownSize;
- NLPI.TBAATag = 0;
continue;
}
@@ -1015,8 +1010,6 @@
// specific block queries) but we can't do the fastpath "return all
// results from the set" Clear out the indicator for this.
CacheInfo->Pair = BBSkipFirstBlockPair();
- CacheInfo->Size = AliasAnalysis::UnknownSize;
- CacheInfo->TBAATag = 0;
SkipFirstBlock = false;
continue;
@@ -1034,8 +1027,6 @@
// specific block queries) but we can't do the fastpath "return all
// results from the set". Clear out the indicator for this.
CacheInfo->Pair = BBSkipFirstBlockPair();
- CacheInfo->Size = AliasAnalysis::UnknownSize;
- CacheInfo->TBAATag = 0;
// If *nothing* works, mark the pointer as being clobbered by the first
// instruction in this block.
@@ -1252,8 +1243,6 @@
// The cache is not valid for any specific block anymore.
NonLocalPointerDeps[P].Pair = BBSkipFirstBlockPair();
- NonLocalPointerDeps[P].Size = AliasAnalysis::UnknownSize;
- NonLocalPointerDeps[P].TBAATag = 0;
// Update any entries for RemInst to use the instruction after it.
for (NonLocalDepInfo::iterator DI = NLPDI.begin(), DE = NLPDI.end();
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