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/LiveIntervalAnalysis.cpp

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 57bcfb5..2c7cc76 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -67,6 +67,7 @@
 static RegisterPass<LiveIntervals> X("liveintervals", "Live Interval Analysis");
 
 void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const {
+  AU.setPreservesCFG();
   AU.addRequired<AliasAnalysis>();
   AU.addPreserved<AliasAnalysis>();
   AU.addPreserved<LiveVariables>();