From 5bf7c2a34679b6afe46ba4f605f1921da950a66b Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Sat, 10 Oct 2009 00:15:38 +0000
Subject: [PATCH] Fix a missing initialization of PostRAScheduler's AA member.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83695 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/PostRASchedulerList.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/CodeGen/PostRASchedulerList.cpp b/lib/CodeGen/PostRASchedulerList.cpp
index ad8ba6c0137..66bcf8cec82 100644
--- a/lib/CodeGen/PostRASchedulerList.cpp
+++ b/lib/CodeGen/PostRASchedulerList.cpp
@@ -229,6 +229,8 @@ static bool isSchedulingBoundary(const MachineInstr *MI,
 }
 
 bool PostRAScheduler::runOnMachineFunction(MachineFunction &Fn) {
+  AA = &getAnalysis<AliasAnalysis>();
+
   // Check for explicit enable/disable of post-ra scheduling.
   if (EnablePostRAScheduler.getPosition() > 0) {
     if (!EnablePostRAScheduler)