[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/InlineSpiller.cpp b/llvm/lib/CodeGen/InlineSpiller.cpp
index cf40997..aff6189 100644
--- a/llvm/lib/CodeGen/InlineSpiller.cpp
+++ b/llvm/lib/CodeGen/InlineSpiller.cpp
@@ -921,7 +921,7 @@
 
 /// spillAroundUses - insert spill code around each use of Reg.
 void InlineSpiller::spillAroundUses(unsigned Reg) {
-  DEBUG(dbgs() << "spillAroundUses " << PrintReg(Reg) << '\n');
+  DEBUG(dbgs() << "spillAroundUses " << printReg(Reg) << '\n');
   LiveInterval &OldLI = LIS.getInterval(Reg);
 
   // Iterate over instructions using Reg.
@@ -1077,7 +1077,7 @@
   DEBUG(dbgs() << "Inline spilling "
                << TRI.getRegClassName(MRI.getRegClass(edit.getReg()))
                << ':' << edit.getParent()
-               << "\nFrom original " << PrintReg(Original) << '\n');
+               << "\nFrom original " << printReg(Original) << '\n');
   assert(edit.getParent().isSpillable() &&
          "Attempting to spill already spilled value.");
   assert(DeadDefs.empty() && "Previous spill didn't remove dead defs");