From 845012e6d31799c7fbd1193fa1af8ee2d12e9231 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Fri, 31 Jul 2009 23:37:33 +0000
Subject: Use setPreservesAll and setPreservesCFG in CodeGen passes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77754 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/RegAllocPBQP.cpp | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

(limited to 'lib/CodeGen/RegAllocPBQP.cpp')

diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp
index f22c294..862ce00 100644
--- a/lib/CodeGen/RegAllocPBQP.cpp
+++ b/lib/CodeGen/RegAllocPBQP.cpp
@@ -77,15 +77,16 @@ namespace {
     }
 
     //! PBQP analysis usage.
-    virtual void getAnalysisUsage(AnalysisUsage &au) const {
-      au.addRequired<LiveIntervals>();
-      au.addRequiredTransitive<RegisterCoalescer>();
-      au.addRequired<LiveStacks>();
-      au.addPreserved<LiveStacks>();
-      au.addRequired<MachineLoopInfo>();
-      au.addPreserved<MachineLoopInfo>();
-      au.addRequired<VirtRegMap>();
-      MachineFunctionPass::getAnalysisUsage(au);
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
+      AU.addRequired<LiveIntervals>();
+      AU.addRequiredTransitive<RegisterCoalescer>();
+      AU.addRequired<LiveStacks>();
+      AU.addPreserved<LiveStacks>();
+      AU.addRequired<MachineLoopInfo>();
+      AU.addPreserved<MachineLoopInfo>();
+      AU.addRequired<VirtRegMap>();
+      MachineFunctionPass::getAnalysisUsage(AU);
     }
 
     //! Perform register allocation
-- 
cgit v1.1