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| author | Devang Patel <dpatel@apple.com> | 2009-03-30 18:34:47 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2009-03-30 18:34:47 +0000 |
| commit | 7a78f3abd3781b356d0d25762a1b70e70a0f0a66 (patch) | |
| tree | 3a0a5df3e8693d1b1691f4106876565780af56eb /llvm/lib/Analysis/AliasSetTracker.cpp | |
| parent | cf2d8f0404bb8c485ab9f3d824e773410ae7582a (diff) | |
| download | llvm-7a78f3abd3781b356d0d25762a1b70e70a0f0a66.zip llvm-7a78f3abd3781b356d0d25762a1b70e70a0f0a66.tar.gz llvm-7a78f3abd3781b356d0d25762a1b70e70a0f0a66.tar.bz2 | |
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.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/AliasSetTracker.cpp b/llvm/lib/Analysis/AliasSetTracker.cpp index a386a49..18c2b66 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); } |