Move EmitDwarfAdvanceLineAddr and EmitDwarfAdvanceFrameAddr to the obj streamer.

This lets us delete the MCAsmStreamer implementation. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208570 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/MC/MCObjectStreamer.h

@@ -118,9 +118,9 @@ public:
                              StringRef FileName) override;
   void EmitDwarfAdvanceLineAddr(int64_t LineDelta, const MCSymbol *LastLabel,
                                 const MCSymbol *Label,
-                                unsigned PointerSize) override;
+                                unsigned PointerSize);
   void EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
-                                 const MCSymbol *Label) override;
+                                 const MCSymbol *Label);
   void EmitGPRel32Value(const MCExpr *Value) override;
   void EmitGPRel64Value(const MCExpr *Value) override;
   void EmitFill(uint64_t NumBytes, uint8_t FillValue) override;

include/llvm/MC/MCStreamer.h

@@ -650,14 +650,6 @@ public:
                                      unsigned Isa, unsigned Discriminator,
                                      StringRef FileName);
 
-  virtual void EmitDwarfAdvanceLineAddr(int64_t LineDelta,
-                                        const MCSymbol *LastLabel,
-                                        const MCSymbol *Label,
-                                        unsigned PointerSize) = 0;
-
-  virtual void EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
-                                         const MCSymbol *Label) {}
-
   virtual MCSymbol *getDwarfLineTableSymbol(unsigned CUID);
 
   void EmitDwarfSetLineAddr(int64_t LineDelta, const MCSymbol *Label,

lib/LTO/LTOModule.cpp

@@ -710,9 +710,6 @@ namespace {
     bool EmitValueToOffset(const MCExpr *Offset,
                            unsigned char Value) override { return false; }
     void EmitFileDirective(StringRef Filename) override {}
-    void EmitDwarfAdvanceLineAddr(int64_t LineDelta, const MCSymbol *LastLabel,
-                                  const MCSymbol *Label,
-                                  unsigned PointerSize) override {}
     void FinishImpl() override {}
     void EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) override {
       RecordProcEnd(Frame);

lib/MC/MCAsmStreamer.cpp

@@ -131,12 +131,6 @@ public:
 
   void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
   void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override;
-  void EmitDwarfAdvanceLineAddr(int64_t LineDelta, const MCSymbol *LastLabel,
-                                const MCSymbol *Label,
-                                unsigned PointerSize) override;
-  void EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
-                                 const MCSymbol *Label) override;
-
   bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
 
   void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override;
@@ -416,22 +410,6 @@ void MCAsmStreamer::EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) {
   EmitEOL();
 }
 
-void MCAsmStreamer::EmitDwarfAdvanceLineAddr(int64_t LineDelta,
-                                             const MCSymbol *LastLabel,
-                                             const MCSymbol *Label,
-                                             unsigned PointerSize) {
-  EmitDwarfSetLineAddr(LineDelta, Label, PointerSize);
-}
-
-void MCAsmStreamer::EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
-                                              const MCSymbol *Label) {
-  EmitIntValue(dwarf::DW_CFA_advance_loc4, 1);
-  const MCExpr *AddrDelta = BuildSymbolDiff(getContext(), Label, LastLabel);
-  AddrDelta = ForceExpAbs(AddrDelta);
-  EmitValue(AddrDelta, 4);
-}
-
-
 bool MCAsmStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
                                         MCSymbolAttr Attribute) {
   switch (Attribute) {

lib/MC/MCNullStreamer.cpp

@@ -41,11 +41,6 @@ namespace {
 
     void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) override {}
     void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override {}
-    void EmitDwarfAdvanceLineAddr(int64_t LineDelta,
-                                  const MCSymbol *LastLabel,
-                                  const MCSymbol *Label,
-                                  unsigned PointerSize) override {}
-
     bool EmitSymbolAttribute(MCSymbol *Symbol,
                              MCSymbolAttr Attribute) override {
       return true;