Add loop info verification mechanism.

[oota-llvm.git] / include / llvm / Assembly / AsmAnnotationWriter.h

diff --git a/include/llvm/Assembly/AsmAnnotationWriter.h b/include/llvm/Assembly/AsmAnnotationWriter.h
index 3beda6df03d1fe46416f28665935645af289e145..9ed285a1afbe3c2215a8a85a3ce6546d5d5cb8e1 100644 (file)
--- a/include/llvm/Assembly/AsmAnnotationWriter.h
+++ b/include/llvm/Assembly/AsmAnnotationWriter.h
@@ -1,10 +1,10 @@
 //===-- AsmAnnotationWriter.h - Itf for annotation .ll files - --*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // Clients of the assembly writer can use this interface to add their own
@@ -26,14 +26,22 @@ class BasicBlock;
 class Instruction;
 
 struct AssemblyAnnotationWriter {
-  
+
+  virtual ~AssemblyAnnotationWriter();
+
   // emitFunctionAnnot - This may be implemented to emit a string right before
   // the start of a function.
   virtual void emitFunctionAnnot(const Function *F, std::ostream &OS) {}
 
-  // emitBasicBlockAnnot - This may be implemented to emit a string right after
-  // the basic block label, but before the first instruction in the block.
-  virtual void emitBasicBlockAnnot(const BasicBlock *BB, std::ostream &OS) {}
+  // emitBasicBlockStartAnnot - This may be implemented to emit a string right
+  // after the basic block label, but before the first instruction in the block.
+  virtual void emitBasicBlockStartAnnot(const BasicBlock *BB, std::ostream &OS){
+  }
+
+  // emitBasicBlockEndAnnot - This may be implemented to emit a string right
+  // after the basic block.
+  virtual void emitBasicBlockEndAnnot(const BasicBlock *BB, std::ostream &OS){
+  }
 
   // emitInstructionAnnot - This may be implemented to emit a string right
   // before an instruction is emitted.