[llvm] r281757 - LoopLoadElimination should preserve GlobalsAA.

[Eli Friedman via llvm-commits]

Author: efriedma
Date: Fri Sep 16 12:58:07 2016
New Revision: 281757

URL: http://llvm.org/viewvc/llvm-project?rev=281757&view=rev
Log:
LoopLoadElimination should preserve GlobalsAA.

Avoids losing GlobalsAA in the standard pass pipeline.

Differential Revision: https://reviews.llvm.org/D24094


Modified:
    llvm/trunk/lib/Transforms/Scalar/LoopLoadElimination.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/LoopLoadElimination.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopLoadElimination.cpp?rev=281757&r1=281756&r2=281757&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopLoadElimination.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopLoadElimination.cpp Fri Sep 16 12:58:07 2016
@@ -21,6 +21,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/Statistic.h"
+#include "llvm/Analysis/GlobalsModRef.h"
 #include "llvm/Analysis/LoopAccessAnalysis.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Analysis/ScalarEvolutionExpander.h"
@@ -580,6 +581,7 @@ public:
     AU.addRequired<ScalarEvolutionWrapperPass>();
     AU.addRequired<DominatorTreeWrapperPass>();
     AU.addPreserved<DominatorTreeWrapperPass>();
+    AU.addPreserved<GlobalsAAWrapperPass>();
   }
 
   static char ID;