Handle alias sets that have been unified, and thus can have other references
to them. This fixes a regression in my previous checkin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28951 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/AliasSetTracker.cpp b/lib/Analysis/AliasSetTracker.cpp
index f805a43..16c6521 100644
--- a/lib/Analysis/AliasSetTracker.cpp
+++ b/lib/Analysis/AliasSetTracker.cpp
@@ -378,9 +378,9 @@
}
// Stop using the alias set, removing it.
- assert(AS.RefCount == NumRefs);
- AS.RefCount = 0;
- AS.removeFromTracker(*this);
+ AS.RefCount -= NumRefs;
+ if (AS.RefCount == 0)
+ AS.removeFromTracker(*this);
}
bool AliasSetTracker::remove(Value *Ptr, unsigned Size) {