From: Chris Lattner <sabre@nondot.org>
Date: Sun, 25 Jul 2004 18:32:01 +0000 (+0000)
Subject: Fix a latent bug in the AliasSetTracker that was exposed by the FreeInst additions... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=34a10057376a3389aaeb356ce4e6b72fa1a232a1;p=oota-llvm.git

Fix a latent bug in the AliasSetTracker that was exposed by the FreeInst additions and broke a bunch of programs last night.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15214 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/AliasSetTracker.cpp b/lib/Analysis/AliasSetTracker.cpp
index 22396b5d872..f11159ef9e1 100644
--- a/lib/Analysis/AliasSetTracker.cpp
+++ b/lib/Analysis/AliasSetTracker.cpp
@@ -198,7 +198,8 @@ AliasSet &AliasSetTracker::getAliasSetForPointer(Value *Pointer, unsigned Size,
   AliasSet::HashNodePair &Entry = getEntryFor(Pointer);
 
   // Check to see if the pointer is already known...
-  if (Entry.second.hasAliasSet() && Size <= Entry.second.getSize()) {
+  if (Entry.second.hasAliasSet()) {
+    Entry.second.updateSize(Size);
     // Return the set!
     return *Entry.second.getAliasSet(*this)->getForwardedTarget(*this);
   } else if (AliasSet *AS = findAliasSetForPointer(Pointer, Size)) {