1 files changed, 29 insertions, 12 deletions

diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h
index 41f00a24dfbfb..e466b368ed34b 100644
--- a/include/llvm/MC/MCStreamer.h
+++ b/include/llvm/MC/MCStreamer.h
@@ -15,17 +15,26 @@
 #define LLVM_MC_MCSTREAMER_H
 
 #include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
 #include "llvm/MC/MCDirectives.h"
 #include "llvm/MC/MCDwarf.h"
 #include "llvm/MC/MCLinkerOptimizationHint.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCWinEH.h"
-#include "llvm/Support/DataTypes.h"
 #include "llvm/Support/SMLoc.h"
+#include <cassert>
+#include <cstdint>
+#include <memory>
 #include <string>
+#include <utility>
+#include <vector>
 
 namespace llvm {
+
+class AssemblerConstantPools;
+class formatted_raw_ostream;
 class MCAsmBackend;
 class MCCodeEmitter;
 class MCContext;
@@ -34,14 +43,11 @@ class MCInst;
 class MCInstPrinter;
 class MCSection;
 class MCStreamer;
-class MCSymbolELF;
 class MCSymbolRefExpr;
+class MCSymbolWasm;
 class MCSubtargetInfo;
-class StringRef;
-class Twine;
 class raw_ostream;
-class formatted_raw_ostream;
-class AssemblerConstantPools;
+class Twine;
 
 typedef std::pair<MCSection *, const MCExpr *> MCSectionSubPair;
 
@@ -162,9 +168,6 @@ class MCStreamer {
   MCContext &Context;
   std::unique_ptr<MCTargetStreamer> TargetStreamer;
 
-  MCStreamer(const MCStreamer &) = delete;
-  MCStreamer &operator=(const MCStreamer &) = delete;
-
   std::vector<MCDwarfFrameInfo> DwarfFrameInfos;
   MCDwarfFrameInfo *getCurrentDwarfFrameInfo();
   void EnsureValidDwarfFrame();
@@ -205,6 +208,8 @@ protected:
   virtual void EmitRawTextImpl(StringRef String);
 
 public:
+  MCStreamer(const MCStreamer &) = delete;
+  MCStreamer &operator=(const MCStreamer &) = delete;
   virtual ~MCStreamer();
 
   void visitUsedExpr(const MCExpr &Expr);
@@ -282,6 +287,7 @@ public:
   /// \brief Add explicit comment T. T is required to be a valid
   /// comment in the output and does not need to be escaped.
   virtual void addExplicitComment(const Twine &T);
+
   /// \brief Emit added explicit comments.
   virtual void emitExplicitComments();
 
@@ -393,7 +399,7 @@ public:
   /// used in an assignment.
   // FIXME: These emission are non-const because we mutate the symbol to
   // add the section we're emitting it to later.
-  virtual void EmitLabel(MCSymbol *Symbol);
+  virtual void EmitLabel(MCSymbol *Symbol, SMLoc Loc = SMLoc());
 
   virtual void EmitEHSymAttributes(const MCSymbol *Symbol, MCSymbol *EHSymbol);
 
@@ -483,6 +489,14 @@ public:
   ///  .size symbol, expression
   virtual void emitELFSize(MCSymbol *Symbol, const MCExpr *Value);
 
+  /// \brief Emit an ELF .symver directive.
+  ///
+  /// This corresponds to an assembler statement such as:
+  ///  .symver _start, foo@@SOME_VERSION
+  /// \param Alias - The versioned alias (i.e. "foo@@SOME_VERSION")
+  /// \param Aliasee - The aliased symbol (i.e. "_start")
+  virtual void emitELFSymverDirective(MCSymbol *Alias, const MCSymbol *Aliasee);
+
   /// \brief Emit a Linker Optimization Hint (LOH) directive.
   /// \param Args - Arguments of the LOH.
   virtual void EmitLOHDirective(MCLOHType Kind, const MCLOHArgs &Args) {}
@@ -822,7 +836,9 @@ public:
   }
 
   /// \brief Emit the given \p Instruction into the current section.
-  virtual void EmitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI);
+  /// PrintSchedInfo == true then schedul comment should be added to output
+  virtual void EmitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI,
+                               bool PrintSchedInfo = false);
 
   /// \brief Set the bundle alignment mode from now on in the section.
   /// The argument is the power of 2 to which the alignment is set. The
@@ -876,6 +892,7 @@ MCStreamer *createAsmStreamer(MCContext &Ctx,
                               bool isVerboseAsm, bool useDwarfDirectory,
                               MCInstPrinter *InstPrint, MCCodeEmitter *CE,
                               MCAsmBackend *TAB, bool ShowInst);
+
 } // end namespace llvm
 
-#endif
+#endif // LLVM_MC_MCSTREAMER_H