From f873ed1b10080bb40ffd0ee3cee909613a447dd9 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 17 Jun 2008 20:13:36 +0000
Subject: Live-through live interval is [mbb start, mbb end+1].

llvm-svn: 52431
---
 llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen')

diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index 196109ba09d..83df4d174a4 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -366,7 +366,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
     for (unsigned i = 0, e = vi.AliveBlocks.size(); i != e; ++i) {
       if (vi.AliveBlocks[i]) {
         LiveRange LR(getMBBStartIdx(i),
-                     getMBBEndIdx(i),
+                     getMBBEndIdx(i)+1,  // MBB ends at -1.
                      ValNo);
         interval.addRange(LR);
         DOUT << " +" << LR;
-- 
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