ARM/ELF: Better codegen for global variable addresses.

[oota-llvm.git] / include / llvm / MC / MCELFStreamer.h

diff --git a/include/llvm/MC/MCELFStreamer.h b/include/llvm/MC/MCELFStreamer.h
index 6a858cda162cb99368003f1282e732de8a50325a..2f3d49e3aca5f3feae390d96e3e49f7532430d72 100644 (file)
--- a/include/llvm/MC/MCELFStreamer.h
+++ b/include/llvm/MC/MCELFStreamer.h
@@ -23,8 +23,6 @@ class MCAssembler;
 class MCCodeEmitter;
 class MCExpr;
 class MCInst;
-class MCSymbol;
-class MCSymbolData;
 class raw_ostream;
 
 class MCELFStreamer : public MCObjectStreamer {
@@ -37,18 +35,17 @@ public:
 
   /// state management
   void reset() override {
-    LocalCommons.clear();
-    BindingExplicitlySet.clear();
     SeenIdent = false;
+    LocalCommons.clear();
+    BundleGroups.clear();
     MCObjectStreamer::reset();
   }
 
-  /// @name MCStreamer Interface
+  /// \name MCStreamer Interface
   /// @{
 
   void InitSections(bool NoExecStack) override;
-  void ChangeSection(const MCSection *Section,
-                     const MCExpr *Subsection) override;
+  void ChangeSection(MCSection *Section, const MCExpr *Subsection) override;
   void EmitLabel(MCSymbol *Symbol) override;
   void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
   void EmitThumbFunc(MCSymbol *Func) override;
@@ -62,17 +59,17 @@ public:
   void EmitCOFFSymbolType(int Type) override;
   void EndCOFFSymbolDef() override;
 
-  void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) override;
+  void emitELFSize(MCSymbolELF *Symbol, const MCExpr *Value) override;
 
   void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                              unsigned ByteAlignment) override;
 
-  void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = nullptr,
+  void EmitZerofill(MCSection *Section, MCSymbol *Symbol = nullptr,
                     uint64_t Size = 0, unsigned ByteAlignment = 0) override;
-  void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
-                      uint64_t Size, unsigned ByteAlignment = 0) override;
+  void EmitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
+                      unsigned ByteAlignment = 0) override;
   void EmitValueImpl(const MCExpr *Value, unsigned Size,
-                     const SMLoc &Loc = SMLoc()) override;
+                     SMLoc Loc = SMLoc()) override;
 
   void EmitFileDirective(StringRef Filename) override;
 
@@ -89,26 +86,25 @@ public:
   void EmitBundleUnlock() override;
 
 private:
+  bool isBundleLocked() const;
   void EmitInstToFragment(const MCInst &Inst, const MCSubtargetInfo &) override;
   void EmitInstToData(const MCInst &Inst, const MCSubtargetInfo &) override;
 
   void fixSymbolsInTLSFixups(const MCExpr *expr);
 
   /// \brief Merge the content of the fragment \p EF into the fragment \p DF.
-  void mergeFragment(MCDataFragment *, MCEncodedFragmentWithFixups *);
+  void mergeFragment(MCDataFragment *, MCDataFragment *);
 
   bool SeenIdent;
 
   struct LocalCommon {
-    MCSymbolData *SD;
+    const MCSymbol *Symbol;
     uint64_t Size;
     unsigned ByteAlignment;
   };
 
   std::vector<LocalCommon> LocalCommons;
 
-  SmallPtrSet<MCSymbol *, 16> BindingExplicitlySet;
-
   /// BundleGroups - The stack of fragments holding the bundle-locked
   /// instructions.
   llvm::SmallVector<MCDataFragment *, 4> BundleGroups;