Speed up instsimplify by about 10-15% by not bothering to retry

[oota-llvm.git] / lib / Transforms / Utils / LCSSA.cpp

diff --git a/lib/Transforms/Utils/LCSSA.cpp b/lib/Transforms/Utils/LCSSA.cpp
index 53d07affd7d69fa57fccbb147bfcb33e3b0afddc..b2e5fa6d7e3ad4d86f7b2cf1dfd0021013ea4223 100644 (file)
--- a/lib/Transforms/Utils/LCSSA.cpp
+++ b/lib/Transforms/Utils/LCSSA.cpp
@@ -67,10 +67,7 @@ namespace {
       AU.setPreservesCFG();
 
       AU.addRequired<DominatorTree>();
-      AU.addPreserved<DominatorTree>();
-      AU.addPreserved<DominanceFrontier>();
       AU.addRequired<LoopInfo>();
-      AU.addPreserved<LoopInfo>();
       AU.addPreservedID(LoopSimplifyID);
       AU.addPreserved<ScalarEvolution>();
     }