diff --git a/llvm/include/llvm/CodeGen/MachineBasicBlock.h b/llvm/include/llvm/CodeGen/MachineBasicBlock.h
index fcf7bab09fcff..a1023d4c32ce4 100644
--- a/llvm/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/llvm/include/llvm/CodeGen/MachineBasicBlock.h
@@ -547,8 +547,8 @@ class MachineBasicBlock
     using pointer = const RegisterMaskPair *;
     using reference = const RegisterMaskPair &;
 
-    liveout_iterator(const MachineBasicBlock &MBB, MCPhysReg ExceptionPointer,
-                     MCPhysReg ExceptionSelector, bool End)
+    liveout_iterator(const MachineBasicBlock &MBB, MCRegister ExceptionPointer,
+                     MCRegister ExceptionSelector, bool End)
         : ExceptionPointer(ExceptionPointer),
           ExceptionSelector(ExceptionSelector), BlockI(MBB.succ_begin()),
           BlockEnd(MBB.succ_end()) {
@@ -613,7 +613,7 @@ class MachineBasicBlock
       return true;
     }
 
-    MCPhysReg ExceptionPointer, ExceptionSelector;
+    MCRegister ExceptionPointer, ExceptionSelector;
     const_succ_iterator BlockI;
     const_succ_iterator BlockEnd;
     livein_iterator LiveRegI;