Require IVUsers after LCSSA, since LCSSA does not preserve IVUsers.
This results in the pass manager running IVUsers only once for
indvars, instead of twice.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75633 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index 911545d..9fb4d6b 100644
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -82,15 +82,15 @@
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<DominatorTree>();
+ AU.addRequired<LoopInfo>();
AU.addRequired<ScalarEvolution>();
AU.addRequiredID(LoopSimplifyID);
- AU.addRequired<LoopInfo>();
- AU.addRequired<IVUsers>();
AU.addRequiredID(LCSSAID);
+ AU.addRequired<IVUsers>();
AU.addPreserved<ScalarEvolution>();
AU.addPreservedID(LoopSimplifyID);
- AU.addPreserved<IVUsers>();
AU.addPreservedID(LCSSAID);
+ AU.addPreserved<IVUsers>();
AU.setPreservesCFG();
}