[cleanup] Use the type-based preservation method rather than a string

literal that bakes a pass name and forces parsing it in the pass
manager.

llvm-svn: 199963

1 files changed, 2 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp
index bf37b48a8f3..f6c78b04f2f 100644
--- a/llvm/lib/Transforms/Scalar/LICM.cpp
+++ b/llvm/lib/Transforms/Scalar/LICM.cpp
@@ -38,6 +38,7 @@
 #include "llvm/Analysis/ConstantFolding.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Analysis/LoopPass.h"
+#include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DataLayout.h"
@@ -86,7 +87,7 @@ namespace {
       AU.addRequiredID(LoopSimplifyID);
       AU.addRequired<AliasAnalysis>();
       AU.addPreserved<AliasAnalysis>();
-      AU.addPreserved("scalar-evolution");
+      AU.addPreserved<ScalarEvolution>();
       AU.addPreservedID(LoopSimplifyID);
       AU.addRequired<TargetLibraryInfo>();
     }