Hal Finkel 77364b7a20 Prevent assert in CombinerGlobalAA with null values
DAGCombiner::isAlias can be called with SrcValue1 or SrcValue2 null, and we
can't use AA in this case (if we try, then the casting code in AA will assert).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190763 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-15 02:19:49 +00:00
..
2013-07-03 17:59:07 +00:00
2013-08-19 05:01:02 +00:00
2013-08-06 17:03:03 +00:00