commit 845012e6d31799c7fbd1193fa1af8ee2d12e9231
author Dan Gohman <gohman@apple.com> Fri Jul 31 23:37:33 2009 +0000
committer Dan Gohman <gohman@apple.com> Fri Jul 31 23:37:33 2009 +0000
tree 64ec9abb5dfd8100874df062a8e0793b3721810a
parent a3477fe06df794e0eae26ea243f25912c619a6c4

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

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 @@
     }
 
     //! 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