From 057f9b68dee906a3d22aa951c5a0c5351aa15228 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Tue, 2 Aug 2011 23:04:06 +0000
Subject: [PATCH] Inform SpillPlacement about blocks with defs.

This information is not used for anything yet.

llvm-svn: 136741
---
 llvm/lib/CodeGen/RegAllocGreedy.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp b/llvm/lib/CodeGen/RegAllocGreedy.cpp
index c88bb536fdee..6f4eb5baab4b 100644
--- a/llvm/lib/CodeGen/RegAllocGreedy.cpp
+++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp
@@ -676,6 +676,7 @@ bool RAGreedy::addSplitConstraints(InterferenceCache::Cursor Intf,
     Intf.moveToBlock(BC.Number);
     BC.Entry = BI.LiveIn ? SpillPlacement::PrefReg : SpillPlacement::DontCare;
     BC.Exit = BI.LiveOut ? SpillPlacement::PrefReg : SpillPlacement::DontCare;
+    BC.ChangesValue = BI.FirstDef;
 
     if (!Intf.hasInterference())
       continue;