Make sure to cannonicalize loops before running indvar simplify

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8502 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index c96eaf0f52b6e7352e4355a350d7aa0067590c0b..814f452497ed3d9267952d21d351603a5fbf3995 100644 (file)
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -193,6 +193,7 @@ namespace {
     
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<LoopInfo>();
+      AU.addRequiredID(LoopPreheadersID);
       AU.setPreservesCFG();
     }
   };