62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
//===-- AssemblyAnnotationWriter.h - Annotation .ll files -------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Clients of the assembly writer can use this interface to add their own
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// special-purpose annotations to LLVM assembly language printouts. Note that
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// the assembly parser won't be able to parse these, in general, so
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// implementations are advised to print stuff as LLVM comments.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IR_ASSEMBLYANNOTATIONWRITER_H
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#define LLVM_IR_ASSEMBLYANNOTATIONWRITER_H
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namespace llvm {
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class Function;
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class BasicBlock;
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class Instruction;
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class Value;
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class formatted_raw_ostream;
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class AssemblyAnnotationWriter {
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public:
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virtual ~AssemblyAnnotationWriter();
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/// emitFunctionAnnot - This may be implemented to emit a string right before
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/// the start of a function.
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virtual void emitFunctionAnnot(const Function *,
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formatted_raw_ostream &) {}
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/// emitBasicBlockStartAnnot - This may be implemented to emit a string right
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/// after the basic block label, but before the first instruction in the
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/// block.
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virtual void emitBasicBlockStartAnnot(const BasicBlock *,
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formatted_raw_ostream &) {
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}
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/// emitBasicBlockEndAnnot - This may be implemented to emit a string right
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/// after the basic block.
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virtual void emitBasicBlockEndAnnot(const BasicBlock *,
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formatted_raw_ostream &) {
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}
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/// emitInstructionAnnot - This may be implemented to emit a string right
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/// before an instruction is emitted.
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virtual void emitInstructionAnnot(const Instruction *,
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formatted_raw_ostream &) {}
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/// printInfoComment - This may be implemented to emit a comment to the
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/// right of an instruction or global value.
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virtual void printInfoComment(const Value &, formatted_raw_ostream &) {}
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};
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} // End llvm namespace
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#endif
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