[llvm-commits] [llvm] r117288 - /llvm/trunk/lib/Analysis/TypeBasedAliasAnalysis.cpp

[Dan Gohman]

Author: djg
Date: Mon Oct 25 14:47:25 2010
New Revision: 117288

URL: http://llvm.org/viewvc/llvm-project?rev=117288&view=rev
Log:
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Modified:
    llvm/trunk/lib/Analysis/TypeBasedAliasAnalysis.cpp

Modified: llvm/trunk/lib/Analysis/TypeBasedAliasAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/TypeBasedAliasAnalysis.cpp?rev=117288&r1=117287&r2=117288&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/TypeBasedAliasAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/TypeBasedAliasAnalysis.cpp Mon Oct 25 14:47:25 2010
@@ -31,7 +31,9 @@
 //
 // The second field identifies the type's parent node in the tree, or
 // is null or omitted for a root node. A type is considered to alias
-// all of its decendents and all of its ancestors in the tree.
+// all of its decendents and all of its ancestors in the tree. Also,
+// a type is considered to alias all types in other trees, so that
+// bitcode produced from multiple front-ends is handled conservatively.
 //
 // If the third field is present, it's an integer which if equal to 1
 // indicates that the type is "constant" (meaning pointsToConstantMemory