[llvm-commits] [poolalloc] r62693 - /poolalloc/trunk/include/dsa/DataStructure.h

[John Criswell]

Author: criswell
Date: Wed Jan 21 10:03:35 2009
New Revision: 62693

URL: http://llvm.org/viewvc/llvm-project?rev=62693&view=rev
Log:
The Top-Down DSA pass copies the DSGraph of the Bottom-Up DSA pass; therefore,
it can mark it as a preserved pass.
This fixes the DSA alias analysis pass.

Modified:
    poolalloc/trunk/include/dsa/DataStructure.h

Modified: poolalloc/trunk/include/dsa/DataStructure.h
URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/include/dsa/DataStructure.h?rev=62693&r1=62692&r2=62693&view=diff

==============================================================================
--- poolalloc/trunk/include/dsa/DataStructure.h (original)
+++ poolalloc/trunk/include/dsa/DataStructure.h Wed Jan 21 10:03:35 2009
@@ -355,10 +355,12 @@
   /// getAnalysisUsage - This obviously provides a data structure graph.
   ///
   virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-    if (useEQBU)
+    if (useEQBU) {
       AU.addRequired<EquivBUDataStructures>();
-    else
+    } else {
       AU.addRequired<BUDataStructures>();
+      AU.addPreserved<BUDataStructures>();
+    }
     AU.addPreserved<TargetData>();
     AU.setPreservesCFG();
   }