Differential D76286 Diff 255957 llvm/include/llvm/MC/MCAsmBackend.h

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llvm/include/llvm/MC/MCAsmBackend.h

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MCAsmBackend &operator=(const MCAsmBackend &) = delete;		MCAsmBackend &operator=(const MCAsmBackend &) = delete;
virtual ~MCAsmBackend();		virtual ~MCAsmBackend();

const support::endianness Endian;		const support::endianness Endian;

/// Return true if this target might automatically pad instructions and thus		/// Return true if this target might automatically pad instructions and thus
/// need to emit padding enable/disable directives around sensative code.		/// need to emit padding enable/disable directives around sensative code.
virtual bool allowAutoPadding() const { return false; }		virtual bool allowAutoPadding() const { return false; }
		/// Return true if this target allows an unrelaxable instruction to be
		/// emitted into RelaxableFragment and then we can increase its size in a
		/// tricky way for optimization.
		virtual bool allowEnhancedRelaxation() const { return false; }

/// Give the target a chance to manipulate state related to instruction		/// Give the target a chance to manipulate state related to instruction
/// alignment (e.g. padding for optimization), instruction relaxablility, etc.		/// alignment (e.g. padding for optimization), instruction relaxablility, etc.
/// before and after actually emitting the instruction.		/// before and after actually emitting the instruction.
virtual void emitInstructionBegin(MCObjectStreamer &OS, const MCInst &Inst) {}		virtual void emitInstructionBegin(MCObjectStreamer &OS, const MCInst &Inst) {}
virtual void emitInstructionEnd(MCObjectStreamer &OS, const MCInst &Inst) {}		virtual void emitInstructionEnd(MCObjectStreamer &OS, const MCInst &Inst) {}

/// lifetime management		/// lifetime management
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