Move duplicated AddLiveIn function from X86 and ARM backends to be a method
in the MachineFunction class, renaming it to addLiveIn for consistency with
the same method in MachineBasicBlock.  Thanks for Anton for suggesting this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69615 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/MachineFunction.h b/include/llvm/CodeGen/MachineFunction.h
index dc7fa8c..f427c72 100644
--- a/include/llvm/CodeGen/MachineFunction.h
+++ b/include/llvm/CodeGen/MachineFunction.h
@@ -33,6 +33,7 @@
 class MachineConstantPool;
 class MachineJumpTableInfo;
 class TargetMachine;
+class TargetRegisterClass;
 
 template <>
 struct ilist_traits<MachineBasicBlock>
@@ -238,6 +239,10 @@
   typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
   typedef std::reverse_iterator<iterator>             reverse_iterator;
 
+  /// addLiveIn - Add the specified physical register as a live-in value and
+  /// create a corresponding virtual register for it.
+  unsigned addLiveIn(unsigned PReg, const TargetRegisterClass *RC);
+
   //===--------------------------------------------------------------------===//
   // BasicBlock accessor functions.
   //