From c8ec765551119d5bdcfeebdaeb869242c098bdc5 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Tue, 29 Mar 2011 03:12:04 +0000
Subject: [PATCH] Handle the special case when all uses follow the last split
 point.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128450 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SplitKit.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp
index a9ad731da6d..b89ff0c4fc8 100644
--- a/lib/CodeGen/SplitKit.cpp
+++ b/lib/CodeGen/SplitKit.cpp
@@ -928,7 +928,8 @@ void SplitEditor::splitSingleBlocks(const SplitAnalysis::BlockPtrSet &Blocks) {
       continue;
 
     openIntv();
-    SlotIndex SegStart = enterIntvBefore(BI.FirstUse);
+    SlotIndex SegStart = enterIntvBefore(std::min(BI.FirstUse,
+                                                  BI.LastSplitPoint));
     if (!BI.LiveOut || BI.LastUse < BI.LastSplitPoint) {
       useIntv(SegStart, leaveIntvAfter(BI.LastUse));
     } else {