Use a single data structure to store all user variables in DwarfDebug

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfException.h

diff --git a/lib/CodeGen/AsmPrinter/DwarfException.h b/lib/CodeGen/AsmPrinter/DwarfException.h
index 15751615b7a4237e3981c7419320176aa6b7cd0f..f7924827518e19308efffe92067005be929acd37 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfException.h
+++ b/lib/CodeGen/AsmPrinter/DwarfException.h
@@ -14,6 +14,7 @@
 #ifndef LLVM_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H
 #define LLVM_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H
 
+#include "AsmPrinterHandler.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include <vector>
@@ -35,7 +36,7 @@ class AsmPrinter;
 //===----------------------------------------------------------------------===//
 /// DwarfException - Emits Dwarf exception handling directives.
 ///
-class DwarfException {
+class DwarfException : public AsmPrinterHandler {
 protected:
   /// Asm - Target of Dwarf emission.
   AsmPrinter *Asm;
@@ -47,9 +48,6 @@ protected:
   static unsigned SharedTypeIds(const LandingPadInfo *L,
                                 const LandingPadInfo *R);
 
-  /// PadLT - Order landing pads lexicographically by type id.
-  static bool PadLT(const LandingPadInfo *L, const LandingPadInfo *R);
-
   /// PadRange - Structure holding a try-range and the associated landing pad.
   struct PadRange {
     // The index of the landing pad.
@@ -130,16 +128,21 @@ public:
   DwarfException(AsmPrinter *A);
   virtual ~DwarfException();
 
-  /// EndModule - Emit all exception information that should come after the
+  /// endModule - Emit all exception information that should come after the
   /// content.
-  virtual void EndModule();
+  void endModule() override;
 
-  /// BeginFunction - Gather pre-function exception information.  Assumes being
+  /// beginFunction - Gather pre-function exception information.  Assumes being
   /// emitted immediately after the function entry point.
-  virtual void BeginFunction(const MachineFunction *MF);
+  void beginFunction(const MachineFunction *MF) override;
+
+  /// endFunction - Gather and emit post-function exception information.
+  void endFunction(const MachineFunction *) override;
 
-  /// EndFunction - Gather and emit post-function exception information.
-  virtual void EndFunction();
+  // We don't need these.
+  void setSymbolSize(const MCSymbol *Sym, uint64_t Size) override {}
+  void beginInstruction(const MachineInstr *MI) override {}
+  void endInstruction() override {}
 };
 
 class DwarfCFIException : public DwarfException {
@@ -164,22 +167,26 @@ public:
   DwarfCFIException(AsmPrinter *A);
   virtual ~DwarfCFIException();
 
-  /// EndModule - Emit all exception information that should come after the
+  /// endModule - Emit all exception information that should come after the
   /// content.
-  virtual void EndModule();
+  void endModule() override;
 
-  /// BeginFunction - Gather pre-function exception information.  Assumes being
+  /// beginFunction - Gather pre-function exception information.  Assumes being
   /// emitted immediately after the function entry point.
-  virtual void BeginFunction(const MachineFunction *MF);
+  void beginFunction(const MachineFunction *MF) override;
 
-  /// EndFunction - Gather and emit post-function exception information.
-  virtual void EndFunction();
+  /// endFunction - Gather and emit post-function exception information.
+  void endFunction(const MachineFunction *) override;
 };
 
 class ARMException : public DwarfException {
-  void EmitTypeInfos(unsigned TTypeEncoding);
+  void EmitTypeInfos(unsigned TTypeEncoding) override;
   ARMTargetStreamer &getTargetStreamer();
 
+  /// shouldEmitCFI - Per-function flag to indicate if frame CFI info
+  /// should be emitted.
+  bool shouldEmitCFI;
+
 public:
   //===--------------------------------------------------------------------===//
   // Main entry points.
@@ -187,16 +194,16 @@ public:
   ARMException(AsmPrinter *A);
   virtual ~ARMException();
 
-  /// EndModule - Emit all exception information that should come after the
+  /// endModule - Emit all exception information that should come after the
   /// content.
-  virtual void EndModule();
+  void endModule() override;
 
-  /// BeginFunction - Gather pre-function exception information.  Assumes being
+  /// beginFunction - Gather pre-function exception information.  Assumes being
   /// emitted immediately after the function entry point.
-  virtual void BeginFunction(const MachineFunction *MF);
+  void beginFunction(const MachineFunction *MF) override;
 
-  /// EndFunction - Gather and emit post-function exception information.
-  virtual void EndFunction();
+  /// endFunction - Gather and emit post-function exception information.
+  void endFunction(const MachineFunction *) override;
 };
 
 class Win64Exception : public DwarfException {
@@ -219,16 +226,16 @@ public:
   Win64Exception(AsmPrinter *A);
   virtual ~Win64Exception();
 
-  /// EndModule - Emit all exception information that should come after the
+  /// endModule - Emit all exception information that should come after the
   /// content.
-  virtual void EndModule();
+  void endModule() override;
 
-  /// BeginFunction - Gather pre-function exception information.  Assumes being
+  /// beginFunction - Gather pre-function exception information.  Assumes being
   /// emitted immediately after the function entry point.
-  virtual void BeginFunction(const MachineFunction *MF);
+  void beginFunction(const MachineFunction *MF) override;
 
-  /// EndFunction - Gather and emit post-function exception information.
-  virtual void EndFunction();
+  /// endFunction - Gather and emit post-function exception information.
+  void endFunction(const MachineFunction *) override;
 };
 
 } // End of namespace llvm