From 923d199a67350e30f4d38856238383a8261cfbbc Mon Sep 17 00:00:00 2001
From: Lang Hames <lhames@gmail.com>
Date: Wed, 15 Feb 2012 23:21:33 +0000
Subject: Make LiveIntervals::handleMove() bundle aware.

llvm-svn: 150630
---
 llvm/lib/CodeGen/MachineInstr.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'llvm/lib/CodeGen/MachineInstr.cpp')

diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index ff32a66..52a9096 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -900,6 +900,16 @@ bool MachineInstr::isBundled() const {
   return nextMI != Parent->instr_end() && nextMI->isInsideBundle();
 }
 
+MachineInstr* MachineInstr::getBundleStart() {
+  if (!isInsideBundle())
+    return this;
+  MachineBasicBlock::reverse_instr_iterator MII(this);
+  --MII;
+  while (MII->isInsideBundle())
+    --MII;
+  return &*MII;
+}
+
 bool MachineInstr::isStackAligningInlineAsm() const {
   if (isInlineAsm()) {
     unsigned ExtraInfo = getOperand(InlineAsm::MIOp_ExtraInfo).getImm();
-- 
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