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authorDevang Patel <dpatel@apple.com>2009-03-30 18:34:47 +0000
committerDevang Patel <dpatel@apple.com>2009-03-30 18:34:47 +0000
commit7a78f3abd3781b356d0d25762a1b70e70a0f0a66 (patch)
tree3a0a5df3e8693d1b1691f4106876565780af56eb /llvm/lib/Analysis/AliasSetTracker.cpp
parentcf2d8f0404bb8c485ab9f3d824e773410ae7582a (diff)
downloadbcm5719-llvm-7a78f3abd3781b356d0d25762a1b70e70a0f0a66.tar.gz
bcm5719-llvm-7a78f3abd3781b356d0d25762a1b70e70a0f0a66.zip
getEntryFor() may invalidate DenseMap iterator.
Walking an invalidated iterator is not a good idea. llvm-svn: 68047
Diffstat (limited to 'llvm/lib/Analysis/AliasSetTracker.cpp')
-rw-r--r--llvm/lib/Analysis/AliasSetTracker.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/AliasSetTracker.cpp b/llvm/lib/Analysis/AliasSetTracker.cpp
index a386a494fca..18c2b66505f 100644
--- a/llvm/lib/Analysis/AliasSetTracker.cpp
+++ b/llvm/lib/Analysis/AliasSetTracker.cpp
@@ -520,6 +520,7 @@ void AliasSetTracker::copyValue(Value *From, Value *To) {
if (Entry.hasAliasSet()) return; // Already in the tracker!
// Add it to the alias set it aliases...
+ I = PointerMap.find(From);
AliasSet *AS = I->second->getAliasSet(*this);
AS->addPointer(*this, Entry, I->second->getSize(), true);
}
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