Fix MSVC error after r367916

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@367920 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index d7e83286b59e47d0428e856bc3f8c18bf4caa666..46146bcfaad413284042fe71f53fb099544b47ad 100644 (file)
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/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.");