Rename MRegisterInfo to TargetRegisterInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46930 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index 931df4d..10a0eec 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -7,8 +7,9 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file contains the X86 implementation of the MRegisterInfo class.  This
-// file is responsible for the frame pointer elimination optimization on X86.
+// This file contains the X86 implementation of the TargetRegisterInfo class.
+// This file is responsible for the frame pointer elimination optimization
+// on X86.
 //
 //===----------------------------------------------------------------------===//