6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
//===-- llvm/CodeGen/AsmPrinterHandler.h -----------------------*- 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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// This file contains a generic interface for AsmPrinter handlers,
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// like debug and EH info emitters.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_ASMPRINTERHANDLER_H
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#define LLVM_CODEGEN_ASMPRINTERHANDLER_H
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#include "llvm/Support/DataTypes.h"
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namespace llvm {
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class AsmPrinter;
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class MachineBasicBlock;
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class MachineFunction;
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class MachineInstr;
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class MCSymbol;
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class Module;
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typedef MCSymbol *ExceptionSymbolProvider(AsmPrinter *Asm,
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const MachineBasicBlock *MBB);
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/// Collects and handles AsmPrinter objects required to build debug
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/// or EH information.
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class AsmPrinterHandler {
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public:
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virtual ~AsmPrinterHandler();
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virtual void beginModule(Module *M) {}
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/// Emit all sections that should come after the content.
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virtual void endModule() = 0;
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/// Gather pre-function debug information.
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/// Every beginFunction(MF) call should be followed by an endFunction(MF)
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/// call.
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virtual void beginFunction(const MachineFunction *MF) = 0;
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// Emit any of function marker (like .cfi_endproc). This is called
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// before endFunction and cannot switch sections.
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virtual void markFunctionEnd();
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/// Gather post-function debug information.
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virtual void endFunction(const MachineFunction *MF) = 0;
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/// Process the beginning of a new basic-block-section within a
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/// function. Always called immediately after beginFunction for the first
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/// basic-block. When basic-block-sections are enabled, called before the
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/// first block of each such section.
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virtual void beginBasicBlockSection(const MachineBasicBlock &MBB) {}
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/// Process the end of a basic-block-section within a function. When
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/// basic-block-sections are enabled, called after the last block in each such
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/// section (including the last section in the function). When
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/// basic-block-sections are disabled, called at the end of a function,
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/// immediately prior to markFunctionEnd.
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virtual void endBasicBlockSection(const MachineBasicBlock &MBB) {}
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/// Emit target-specific EH funclet machinery.
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virtual void beginFunclet(const MachineBasicBlock &MBB,
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MCSymbol *Sym = nullptr) {}
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virtual void endFunclet() {}
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};
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} // End of namespace llvm
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#endif
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