From 1b65253da688a0ff0c41b5af185708707fa931c9 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 14 Jul 2009 14:26:23 +0000
Subject: [PATCH] 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
---
 lib/Transforms/Scalar/IndVarSimplify.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index 911545d86f3..9fb4d6bd537 100644
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -82,15 +82,15 @@ namespace {
 
    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();
    }
 
-- 
2.34.1