diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
index 6f48767c1df4..61e74260454e 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
@@ -185,7 +185,8 @@ void AsmPrinter::emitSectionOffset(const MCSymbol *Label) const {
 void AsmPrinter::EmitDwarfRegOp(ByteStreamer &Streamer,
                                 const MachineLocation &MLoc) const {
   DebugLocDwarfExpression Expr(*MF->getSubtarget().getRegisterInfo(),
-                               getDwarfDebug()->getDwarfVersion(), Streamer);
+                               getDwarfDebug()->getDwarfVersion(),
+                               OutStreamer->hasRawTextSupport(), Streamer);
   const MCRegisterInfo *MRI = MMI->getContext().getRegisterInfo();
   int Reg = MRI->getDwarfRegNum(MLoc.getReg(), false);
   if (Reg < 0) {
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 8c792ed53a63..7b051d4c577d 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -108,6 +108,8 @@ static const char *const DWARFGroupName = "DWARF Emission";
 static const char *const DbgTimerName = "DWARF Debug Writer";
 
 void DebugLocDwarfExpression::EmitOp(uint8_t Op, const char *Comment) {
+  if (!PrintComments)
+    return BS.EmitInt8(Op, Twine());
   BS.EmitInt8(
       Op, Comment ? Twine(Comment) + " " + dwarf::OperationEncodingString(Op)
                   : dwarf::OperationEncodingString(Op));
@@ -1477,6 +1479,7 @@ static void emitDebugLocValue(const AsmPrinter &AP, const DIBasicType *BT,
                               unsigned PieceOffsetInBits) {
   DebugLocDwarfExpression DwarfExpr(*AP.MF->getSubtarget().getRegisterInfo(),
                                     AP.getDwarfDebug()->getDwarfVersion(),
+                                    AP.OutStreamer->hasRawTextSupport(),
                                     Streamer);
   // Regular entry.
   if (Value.isInt()) {
@@ -1530,6 +1533,7 @@ void DebugLocEntry::finalize(const AsmPrinter &AP, DebugLocStream &Locs,
         // The DWARF spec seriously mandates pieces with no locations for gaps.
         DebugLocDwarfExpression Expr(*AP.MF->getSubtarget().getRegisterInfo(),
                                      AP.getDwarfDebug()->getDwarfVersion(),
+                                     AP.OutStreamer->hasRawTextSupport(),
                                      Streamer);
         Expr.AddOpPiece(PieceOffset-Offset, 0);
         Offset += PieceOffset-Offset;
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h
index 78ec937a6b60..15e29164d2fa 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h
@@ -34,10 +34,15 @@ protected:
   const TargetRegisterInfo &TRI;
   unsigned DwarfVersion;
 
+  /// \brief Set to true if we want comments to be emitted.  This is usually
+  /// only the case when the AsmPrinter is emitting to a text stream with
+  /// comments enabled.
+  bool PrintComments;
+
 public:
   DwarfExpression(const TargetRegisterInfo &TRI,
-                  unsigned DwarfVersion)
-    : TRI(TRI), DwarfVersion(DwarfVersion) {}
+                  unsigned DwarfVersion, bool PrintComments)
+    : TRI(TRI), DwarfVersion(DwarfVersion), PrintComments(PrintComments) {}
   virtual ~DwarfExpression() {}
 
   /// Output a dwarf operand and an optional assembler comment.
@@ -109,8 +114,9 @@ class DebugLocDwarfExpression : public DwarfExpression {
 
 public:
   DebugLocDwarfExpression(const TargetRegisterInfo &TRI,
-                          unsigned DwarfVersion, ByteStreamer &BS)
-    : DwarfExpression(TRI, DwarfVersion), BS(BS) {}
+                          unsigned DwarfVersion, bool PrintComments,
+                          ByteStreamer &BS)
+    : DwarfExpression(TRI, DwarfVersion, PrintComments), BS(BS) {}
 
   void EmitOp(uint8_t Op, const char *Comment = nullptr) override;
   void EmitSigned(int64_t Value) override;
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index ee233f710f2f..9d523dd35411 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -47,7 +47,7 @@ GenerateDwarfTypeUnits("generate-type-units", cl::Hidden,
 DIEDwarfExpression::DIEDwarfExpression(const AsmPrinter &AP, DwarfUnit &DU,
                                        DIELoc &DIE)
     : DwarfExpression(*AP.MF->getSubtarget().getRegisterInfo(),
-                      AP.getDwarfDebug()->getDwarfVersion()),
+                      AP.getDwarfDebug()->getDwarfVersion(), false),
       AP(AP), DU(DU), DIE(DIE) {}
 
 void DIEDwarfExpression::EmitOp(uint8_t Op, const char* Comment) {