Add more reset methods to make all objects that the backend may use for outputting code have a reset, some are not used but were declared for completeness

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170227 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 23 insertions, 0 deletions

diff --git a/include/llvm/MC/MCAsmBackend.h b/include/llvm/MC/MCAsmBackend.h
index 72ed1a317c..48bd9d0742 100644
--- a/include/llvm/MC/MCAsmBackend.h
+++ b/include/llvm/MC/MCAsmBackend.h
@@ -41,6 +41,9 @@ protected: // Can only create subclasses.
 public:
   virtual ~MCAsmBackend();
 
+  /// lifetime management
+  virtual void reset() { }
+
   /// createObjectWriter - Create a new MCObjectWriter instance for use by the
   /// assembler backend to emit the final object file.
   virtual MCObjectWriter *createObjectWriter(raw_ostream &OS) const = 0;
diff --git a/include/llvm/MC/MCCodeEmitter.h b/include/llvm/MC/MCCodeEmitter.h
index 0574890902..9bfa08eb5d 100644
--- a/include/llvm/MC/MCCodeEmitter.h
+++ b/include/llvm/MC/MCCodeEmitter.h
@@ -29,6 +29,9 @@ protected: // Can only create subclasses.
 public:
   virtual ~MCCodeEmitter();
 
+  /// Lifetime management
+  virtual void reset() { }
+
   /// EncodeInstruction - Encode the given \p Inst to bytes on the output
   /// stream \p OS.
   virtual void EncodeInstruction(const MCInst &Inst, raw_ostream &OS,
diff --git a/include/llvm/MC/MCMachObjectWriter.h b/include/llvm/MC/MCMachObjectWriter.h
index efaabfb9e8..2ddde0b68a 100644
--- a/include/llvm/MC/MCMachObjectWriter.h
+++ b/include/llvm/MC/MCMachObjectWriter.h
@@ -45,6 +45,13 @@ protected:
 public:
   virtual ~MCMachObjectTargetWriter();
 
+  /// @name Lifetime Management
+  /// @{
+
+  virtual void reset() {};
+
+  /// @}
+
   /// @name Accessors
   /// @{
 
@@ -111,6 +118,13 @@ public:
     : MCObjectWriter(_OS, _IsLittleEndian), TargetObjectWriter(MOTW) {
   }
 
+  /// @name Lifetime management Methods
+  /// @{
+
+  virtual void reset();
+
+  /// @}
+
   /// @name Utility Methods
   /// @{
 
diff --git a/include/llvm/MC/MCObjectWriter.h b/include/llvm/MC/MCObjectWriter.h
index f77b7d853d..9d5c1a785e 100644
--- a/include/llvm/MC/MCObjectWriter.h
+++ b/include/llvm/MC/MCObjectWriter.h
@@ -51,6 +51,9 @@ protected: // Can only create subclasses.
 public:
   virtual ~MCObjectWriter();
 
+  /// lifetime management
+  virtual void reset() { }
+
   bool isLittleEndian() const { return IsLittleEndian; }
 
   raw_ostream &getStream() { return OS; }