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/LowerSubregs.cpp

diff --git a/lib/CodeGen/LowerSubregs.cpp b/lib/CodeGen/LowerSubregs.cpp
index d7d50ba..8572995 100644
--- a/lib/CodeGen/LowerSubregs.cpp
+++ b/lib/CodeGen/LowerSubregs.cpp
@@ -39,6 +39,7 @@
     }
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
       AU.addPreservedID(MachineLoopInfoID);
       AU.addPreservedID(MachineDominatorsID);
       MachineFunctionPass::getAnalysisUsage(AU);