X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FLiveIntervalAnalysis.cpp;h=2bd9fabb81e0a62e90d9d5f78bfc14371ea4b828;hb=f6f91bf6680668990ff3804b14cf05beedc56ec4;hp=285085801bee3a56cc9fe59412c67d7521175764;hpb=d598561318b70d84715a37ceff78217881282b6d;p=oota-llvm.git

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 285085801be..2bd9fabb81e 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -45,8 +45,9 @@ namespace {
 
 void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const
 {
-    AU.setPreservesAll();
+    AU.addPreserved<LiveVariables>();
     AU.addRequired<LiveVariables>();
+    AU.addPreservedID(PHIEliminationID);
     AU.addRequiredID(PHIEliminationID);
     MachineFunctionPass::getAnalysisUsage(AU);
 }