From d35576b3c026cb323c4c240f0b20cf56089a1e5b Mon Sep 17 00:00:00 2001
From: Andrew Trick <atrick@apple.com>
Date: Mon, 13 Feb 2012 20:44:42 +0000
Subject: [PATCH] LiveIntervalAnalysis does not depend on MachineLoopInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150411 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/LiveIntervalAnalysis.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 5b899e082b3..64bbf1e7816 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -21,7 +21,6 @@
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/CodeGen/LiveVariables.h"
 #include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/MachineLoopInfo.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/Target/TargetRegisterInfo.h"
@@ -31,6 +30,7 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
+#include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/STLExtras.h"
 #include <algorithm>
@@ -49,7 +49,6 @@ INITIALIZE_PASS_BEGIN(LiveIntervals, "liveintervals",
                 "Live Interval Analysis", false, false)
 INITIALIZE_AG_DEPENDENCY(AliasAnalysis)
 INITIALIZE_PASS_DEPENDENCY(LiveVariables)
-INITIALIZE_PASS_DEPENDENCY(MachineLoopInfo)
 INITIALIZE_PASS_DEPENDENCY(MachineDominatorTree)
 INITIALIZE_PASS_DEPENDENCY(SlotIndexes)
 INITIALIZE_PASS_END(LiveIntervals, "liveintervals",
@@ -61,8 +60,7 @@ void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addPreserved<AliasAnalysis>();
   AU.addRequired<LiveVariables>();
   AU.addPreserved<LiveVariables>();
-  AU.addRequired<MachineLoopInfo>();
-  AU.addPreserved<MachineLoopInfo>();
+  AU.addPreservedID(MachineLoopInfoID);
   AU.addPreservedID(MachineDominatorsID);
   AU.addPreserved<SlotIndexes>();
   AU.addRequiredTransitive<SlotIndexes>();
-- 
2.34.1