Improve comment: Show the register the DWARF label is added to.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134209 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index 1a3596a..72ce441 100644
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -621,7 +621,8 @@
       if (VerboseAsm) Streamer.AddComment(Twine("Offset ") + Twine(Offset));
       Streamer.EmitSLEB128IntValue(Offset);
     } else if (Reg < 64) {
-      if (VerboseAsm) Streamer.AddComment("DW_CFA_offset");
+      if (VerboseAsm) Streamer.AddComment(Twine("DW_CFA_offset + Reg(") +
+                                          Twine(Reg) + ")");
       Streamer.EmitIntValue(dwarf::DW_CFA_offset + Reg, 1);
       if (VerboseAsm) Streamer.AddComment(Twine("Offset ") + Twine(Offset));
       Streamer.EmitULEB128IntValue(Offset);