LLVM  10.0.0svn
AssemblyAnnotationWriter.h
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1 //===-- AssemblyAnnotationWriter.h - Annotation .ll files -------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // Clients of the assembly writer can use this interface to add their own
10 // special-purpose annotations to LLVM assembly language printouts. Note that
11 // the assembly parser won't be able to parse these, in general, so
12 // implementations are advised to print stuff as LLVM comments.
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_IR_ASSEMBLYANNOTATIONWRITER_H
17 #define LLVM_IR_ASSEMBLYANNOTATIONWRITER_H
18 
19 namespace llvm {
20 
21 class Function;
22 class BasicBlock;
23 class Instruction;
24 class Value;
25 class formatted_raw_ostream;
26 
28 public:
29  virtual ~AssemblyAnnotationWriter();
30 
31  /// emitFunctionAnnot - This may be implemented to emit a string right before
32  /// the start of a function.
33  virtual void emitFunctionAnnot(const Function *,
35 
36  /// emitBasicBlockStartAnnot - This may be implemented to emit a string right
37  /// after the basic block label, but before the first instruction in the
38  /// block.
39  virtual void emitBasicBlockStartAnnot(const BasicBlock *,
41  }
42 
43  /// emitBasicBlockEndAnnot - This may be implemented to emit a string right
44  /// after the basic block.
45  virtual void emitBasicBlockEndAnnot(const BasicBlock *,
47  }
48 
49  /// emitInstructionAnnot - This may be implemented to emit a string right
50  /// before an instruction is emitted.
51  virtual void emitInstructionAnnot(const Instruction *,
53 
54  /// printInfoComment - This may be implemented to emit a comment to the
55  /// right of an instruction or global value.
56  virtual void printInfoComment(const Value &, formatted_raw_ostream &) {}
57 };
58 
59 } // End llvm namespace
60 
61 #endif
virtual void emitBasicBlockEndAnnot(const BasicBlock *, formatted_raw_ostream &)
emitBasicBlockEndAnnot - This may be implemented to emit a string right after the basic block...
This class represents lattice values for constants.
Definition: AllocatorList.h:23
Various leaf nodes.
Definition: ISDOpcodes.h:59
formatted_raw_ostream - A raw_ostream that wraps another one and keeps track of line and column posit...
virtual void emitFunctionAnnot(const Function *, formatted_raw_ostream &)
emitFunctionAnnot - This may be implemented to emit a string right before the start of a function...
virtual void printInfoComment(const Value &, formatted_raw_ostream &)
printInfoComment - This may be implemented to emit a comment to the right of an instruction or global...
virtual void emitInstructionAnnot(const Instruction *, formatted_raw_ostream &)
emitInstructionAnnot - This may be implemented to emit a string right before an instruction is emitte...
LLVM Basic Block Representation.
Definition: BasicBlock.h:57
virtual void emitBasicBlockStartAnnot(const BasicBlock *, formatted_raw_ostream &)
emitBasicBlockStartAnnot - This may be implemented to emit a string right after the basic block label...
LLVM Value Representation.
Definition: Value.h:73