From 16bfe5b0f59587aecbd16deedc71183f510ef627 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 17 Aug 2010 21:00:37 +0000
Subject: PHI elimination shouldn't require machineloopinfo since it's used at
 -O0. Move the requirement to LiveIntervalAnalysis instead. Note this does not
 change the number of times machineloopinfo is computed.

llvm-svn: 111285
---
 llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/CodeGen/LiveIntervalAnalysis.cpp')

diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index 21563c4f9a1..2726fc33753 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -62,9 +62,10 @@ void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.setPreservesCFG();
   AU.addRequired<AliasAnalysis>();
   AU.addPreserved<AliasAnalysis>();
-  AU.addPreserved<LiveVariables>();
   AU.addRequired<LiveVariables>();
-  AU.addPreservedID(MachineLoopInfoID);
+  AU.addPreserved<LiveVariables>();
+  AU.addRequired<MachineLoopInfo>();
+  AU.addPreserved<MachineLoopInfo>();
   AU.addPreservedID(MachineDominatorsID);
 
   if (!StrongPHIElim) {
-- 
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