From 5edc1f287b30a1f7760ed6bbb90530d33b33557a Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Wed, 23 Feb 2011 18:26:31 +0000
Subject: [PATCH] It is safe to ignore LastSplitPoint when the variable is not
 live out.

No code will be inserted after the split point anyway.

llvm-svn: 126319
---
 lib/CodeGen/SplitKit.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp
index a97d890c25b..fd5d50b7ecb 100644
--- a/lib/CodeGen/SplitKit.cpp
+++ b/lib/CodeGen/SplitKit.cpp
@@ -961,10 +961,10 @@ void SplitEditor::splitSingleBlocks(const SplitAnalysis::BlockPtrSet &Blocks) {
 
     openIntv();
     SlotIndex SegStart = enterIntvBefore(BI.FirstUse);
-    if (BI.LastUse < BI.LastSplitPoint) {
+    if (!BI.LiveOut || BI.LastUse < BI.LastSplitPoint) {
       useIntv(SegStart, leaveIntvAfter(BI.LastUse));
     } else {
-      // THe last use os after tha last valid split point.
+      // The last use is after the last valid split point.
       SlotIndex SegStop = leaveIntvBefore(BI.LastSplitPoint);
       useIntv(SegStart, SegStop);
       overlapIntv(SegStop, BI.LastUse);