From f6f91bf6680668990ff3804b14cf05beedc56ec4 Mon Sep 17 00:00:00 2001
From: Alkis Evlogimenos <alkis@evlogimenos.com>
Date: Mon, 15 Dec 2003 04:55:38 +0000
Subject: [PATCH] Change preserve all claim to just preserve live variables and
 phielimination.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10469 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/LiveIntervalAnalysis.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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);
 }