From 8b56a90bec639665fc024896d2fc2bdd095c76a3 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Mon, 22 Sep 2008 22:21:38 +0000
Subject: Instead of setPreservesAll, just mark them preseving machine loop
 info and machine dominators.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56475 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/StackSlotColoring.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'lib/CodeGen/StackSlotColoring.cpp')

diff --git a/lib/CodeGen/StackSlotColoring.cpp b/lib/CodeGen/StackSlotColoring.cpp
index 1b5d41795c..c02765d042 100644
--- a/lib/CodeGen/StackSlotColoring.cpp
+++ b/lib/CodeGen/StackSlotColoring.cpp
@@ -66,7 +66,8 @@ namespace {
     
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<LiveStacks>();
-      AU.setPreservesAll();
+      AU.addPreservedID(MachineLoopInfoID);
+      AU.addPreservedID(MachineDominatorsID);
       MachineFunctionPass::getAnalysisUsage(AU);
     }
 
-- 
cgit v1.2.3-18-g5258