licm preserves the cfg, it doesn't have to explicitly say it
authorChris Lattner <sabre@nondot.org>
Sun, 29 Aug 2010 07:02:56 +0000 (07:02 +0000)
committerChris Lattner <sabre@nondot.org>
Sun, 29 Aug 2010 07:02:56 +0000 (07:02 +0000)
preserves domfrontier.  It does preserve AA though.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112419 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/LICM.cpp

index 41d9e4c260d1598ab9861362f4dd7f5297d9542b..d8b46bbc358ee18e469759493e89965f3d509877 100644 (file)
@@ -78,8 +78,8 @@ namespace {
       AU.addRequired<LoopInfo>();
       AU.addRequiredID(LoopSimplifyID);
       AU.addRequired<AliasAnalysis>();
+      AU.addPreserved<AliasAnalysis>();
       AU.addPreserved<ScalarEvolution>();
-      AU.addPreserved<DominanceFrontier>();
       AU.addPreservedID(LoopSimplifyID);
     }