From f382538d471e38a9b98f016c4caebd24c8d60b62 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Thu, 1 Jun 2017 20:58:36 +0000
Subject: Vendor import of llvm trunk r304460:
 https://llvm.org/svn/llvm-project/llvm/trunk@304460

---
 lib/CodeGen/MachineBasicBlock.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

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

diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index 06112723497b0..590acc01008a6 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -350,6 +350,13 @@ void MachineBasicBlock::removeLiveIn(MCPhysReg Reg, LaneBitmask LaneMask) {
     LiveIns.erase(I);
 }
 
+MachineBasicBlock::livein_iterator
+MachineBasicBlock::removeLiveIn(MachineBasicBlock::livein_iterator I) {
+  // Get non-const version of iterator.
+  LiveInVector::iterator LI = LiveIns.begin() + (I - LiveIns.begin());
+  return LiveIns.erase(LI);
+}
+
 bool MachineBasicBlock::isLiveIn(MCPhysReg Reg, LaneBitmask LaneMask) const {
   livein_iterator I = find_if(
       LiveIns, [Reg](const RegisterMaskPair &LI) { return LI.PhysReg == Reg; });
-- 
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