From 30815c536baacc07e925f0aef23a5395883173dc Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Thu, 20 Oct 2011 21:10:27 +0000
Subject: Vendor import of llvm release_30 branch r142614:
 http://llvm.org/svn/llvm-project/llvm/branches/release_30@142614

---
 lib/CodeGen/MachineBasicBlock.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib/CodeGen/MachineBasicBlock.cpp')

diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index 8f0fb46879ac1..4c5fe4c480a68 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -571,6 +571,11 @@ MachineBasicBlock::SplitCriticalEdge(MachineBasicBlock *Succ, Pass *P) {
       if (i->getOperand(ni+1).getMBB() == this)
         i->getOperand(ni+1).setMBB(NMBB);
 
+  // Inherit live-ins from the successor
+  for (MachineBasicBlock::livein_iterator I = Succ->livein_begin(),
+	 E = Succ->livein_end(); I != E; ++I)
+    NMBB->addLiveIn(*I);
+
   // Update LiveVariables.
   if (LV) {
     // Restore kills of virtual registers that were killed by the terminators.
-- 
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