From 5d14efe279b5db9f4746ff834ab5c70e249d3871 Mon Sep 17 00:00:00 2001
From: Daniel Sanders <daniel_l_sanders@apple.com>
Date: Mon, 5 Aug 2019 20:03:43 +0000
Subject: [PATCH] Fix MSVC error after r367916

It seems that MSVC sees ambiguity between the operator==()'s where clang
doesn't

llvm-svn: 367920
---
 llvm/lib/CodeGen/MachineBasicBlock.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/MachineBasicBlock.cpp b/llvm/lib/CodeGen/MachineBasicBlock.cpp
index d7e83286b59e4..46146bcfaad41 100644
--- a/llvm/lib/CodeGen/MachineBasicBlock.cpp
+++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp
@@ -499,7 +499,7 @@ MachineBasicBlock::addLiveIn(MCPhysReg PhysReg, const TargetRegisterClass *RC) {
   // Look for an existing copy.
   if (LiveIn)
     for (;I != E && I->isCopy(); ++I)
-      if (I->getOperand(1).getReg() == PhysReg) {
+      if (I->getOperand(1).getReg() == Register(PhysReg)) {
         unsigned VirtReg = I->getOperand(0).getReg();
         if (!MRI.constrainRegClass(VirtReg, RC))
           llvm_unreachable("Incompatible live-in register class.");