commit 0402315d4108d8e469a4e50e41314a1fce7cb747
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 d4797c7c447e7878a0087f29529d2ab6e66a483e
parent 10b8898ac06d712e4588c15d68ed68469e006411

Use setPreservesAll and setPreservesCFG in CodeGen passes.

llvm-svn: 77754

llvm/lib/CodeGen/RegAllocLinearScan.cpp

diff --git a/llvm/lib/CodeGen/RegAllocLinearScan.cpp b/llvm/lib/CodeGen/RegAllocLinearScan.cpp
index 30c602d..fb97452 100644
--- a/llvm/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/llvm/lib/CodeGen/RegAllocLinearScan.cpp
@@ -145,6 +145,7 @@
     }
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
       AU.addRequired<LiveIntervals>();
       if (StrongPHIElim)
         AU.addRequiredID(StrongPHIEliminationID);