[CodeGen] Rename functions PrintReg* to printReg*

LLVM Coding Standards:
  Function names should be verb phrases (as they represent actions), and
  command-like function should be imperative. The name should be camel
  case, and start with a lower case letter (e.g. openFile() or isFoo()).

Differential Revision: https://reviews.llvm.org/D40416

llvm-svn: 319168
diff --git a/llvm/lib/CodeGen/SplitKit.cpp b/llvm/lib/CodeGen/SplitKit.cpp
index 0adb8fa..59c5798 100644
--- a/llvm/lib/CodeGen/SplitKit.cpp
+++ b/llvm/lib/CodeGen/SplitKit.cpp
@@ -1140,7 +1140,7 @@
 
       // The interval [Start;End) is continuously mapped to RegIdx, ParentVNI.
       DEBUG(dbgs() << " [" << Start << ';' << End << ")=" << RegIdx
-                   << '(' << PrintReg(Edit->get(RegIdx)) << ')');
+                   << '(' << printReg(Edit->get(RegIdx)) << ')');
       LiveInterval &LI = LIS.getInterval(Edit->get(RegIdx));
 
       // Check for a simply defined value that can be blitted directly.