[polly] r219275 - [Fix] Ignore forwarding alias sets in the alias set tracker.

[Johannes Doerfert]

Author: jdoerfert
Date: Tue Oct  7 21:23:48 2014
New Revision: 219275

URL: http://llvm.org/viewvc/llvm-project?rev=219275&view=rev
Log:
[Fix] Ignore forwarding alias sets in the alias set tracker.

Modified:
    polly/trunk/lib/Analysis/ScopInfo.cpp

Modified: polly/trunk/lib/Analysis/ScopInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/lib/Analysis/ScopInfo.cpp?rev=219275&r1=219274&r2=219275&view=diff
==============================================================================
--- polly/trunk/lib/Analysis/ScopInfo.cpp (original)
+++ polly/trunk/lib/Analysis/ScopInfo.cpp Tue Oct  7 21:23:48 2014
@@ -1294,7 +1294,7 @@ bool Scop::buildAliasGroups(AliasAnalysi
 
   SmallVector<AliasGroupTy, 4> AliasGroups;
   for (AliasSet &AS : AST) {
-    if (AS.isMustAlias())
+    if (AS.isMustAlias() || AS.isForwardingAliasSet())
       continue;
     AliasGroupTy AG;
     for (auto PR : AS)