Add comment in output stream.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129921 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index d7d16843f14d78d491d805660dc126ae1782bc31..3e676de70defc85803abe8853cae17e2a58c2bde 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2715,7 +2715,10 @@ void DwarfDebug::emitDebugLoc() {
         } else {
           Asm->OutStreamer.AddComment("Loc expr size");
           Asm->EmitInt16(1 + MCAsmInfo::getULEB128Size(Reg));
+          Asm->OutStreamer.AddComment(
+            dwarf::OperationEncodingString(dwarf::DW_OP_regx));
           Asm->EmitInt8(dwarf::DW_OP_regx);
+          Asm->OutStreamer.AddComment(Twine(Reg));
           Asm->EmitULEB128(Reg);
         }
       }