From 9f154f601d60730a0e6fa92be7f173427f9c769a Mon Sep 17 00:00:00 2001
From: Aaron Ballman <aaron@aaronballman.com>
Date: Wed, 29 Jul 2015 15:57:49 +0000
Subject: Reverting r243386 because it has serious post-commit concerns that
 have not been addressed. Also reverts r243389, which relied on this commit.

llvm-svn: 243527
---
 llvm/lib/CodeGen/MachineBasicBlock.cpp | 5 +++++
 1 file changed, 5 insertions(+)

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

diff --git a/llvm/lib/CodeGen/MachineBasicBlock.cpp b/llvm/lib/CodeGen/MachineBasicBlock.cpp
index f60e6bdf2cf..5d3f7ebaed2 100644
--- a/llvm/lib/CodeGen/MachineBasicBlock.cpp
+++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp
@@ -332,6 +332,11 @@ void MachineBasicBlock::removeLiveIn(unsigned Reg) {
     LiveIns.erase(I);
 }
 
+bool MachineBasicBlock::isLiveIn(unsigned Reg) const {
+  livein_iterator I = std::find(livein_begin(), livein_end(), Reg);
+  return I != livein_end();
+}
+
 unsigned
 MachineBasicBlock::addLiveIn(unsigned PhysReg, const TargetRegisterClass *RC) {
   assert(getParent() && "MBB must be inserted in function");
-- 
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