From: Chris Lattner <sabre@nondot.org>
Date: Wed, 7 Sep 2005 17:34:39 +0000 (+0000)
Subject: Fix a bug that Tzu-Chien Chiu noticed: live interval analysis does NOT
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=dc6e2e0a5f3ee81d85922790aaedc80740820a8b;p=oota-llvm.git

Fix a bug that Tzu-Chien Chiu noticed: live interval analysis does NOT
preserve livevar


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23259 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index bac4b70d75b..25642263b0d 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -62,7 +62,6 @@ namespace {
 
 void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const
 {
-  AU.addPreserved<LiveVariables>();
   AU.addRequired<LiveVariables>();
   AU.addPreservedID(PHIEliminationID);
   AU.addRequiredID(PHIEliminationID);