From b53825b82b90789bb061fe60c72aed492a4427c2 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Fri, 21 Sep 2012 20:04:28 +0000
Subject: Fix a significant recent(?) regression. StackSlotColoring no longer
 did anything because LiveStackAnalysis was not preserved by VirtRegWriter.
 This caused big stack usage regression in some cases.

rdar://12340383

llvm-svn: 164408
---
 llvm/lib/CodeGen/LiveStackAnalysis.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/LiveStackAnalysis.cpp')

diff --git a/llvm/lib/CodeGen/LiveStackAnalysis.cpp b/llvm/lib/CodeGen/LiveStackAnalysis.cpp
index 939e795b4a3..f0b522bd7d3 100644
--- a/llvm/lib/CodeGen/LiveStackAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveStackAnalysis.cpp
@@ -25,7 +25,10 @@
 using namespace llvm;
 
 char LiveStacks::ID = 0;
-INITIALIZE_PASS(LiveStacks, "livestacks",
+INITIALIZE_PASS_BEGIN(LiveStacks, "livestacks",
+                "Live Stack Slot Analysis", false, false)
+INITIALIZE_PASS_DEPENDENCY(SlotIndexes)
+INITIALIZE_PASS_END(LiveStacks, "livestacks",
                 "Live Stack Slot Analysis", false, false)
 
 char &llvm::LiveStacksID = LiveStacks::ID;
-- 
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