commit 5ebca793db6262386d7464d03cdaefeb5b640ad3
author Jakob Stoklund Olesen <stoklund@2pi.dk> Tue Aug 02 23:04:06 2011 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Tue Aug 02 23:04:06 2011 +0000
tree c95adf403283f0e3afdbd0c1d24b110e96e8d3e2
parent fe62d92b7bbaf73e576bec0c0b11cfa6c191aa87

Inform SpillPlacement about blocks with defs.

This information is not used for anything yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136741 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/RegAllocGreedy.cpp

diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index c88bb53..6f4eb5b 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -676,6 +676,7 @@
     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;