Differential D70157 Diff 234939 llvm/include/llvm/MC/MCFragment.h

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llvm/include/llvm/MC/MCFragment.h

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#include "llvm/ADT/ArrayRef.h"		#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallString.h"		#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"		#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"		#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/ilist_node.h"		#include "llvm/ADT/ilist_node.h"
#include "llvm/MC/MCFixup.h"		#include "llvm/MC/MCFixup.h"
#include "llvm/MC/MCInst.h"		#include "llvm/MC/MCInst.h"
		#include "llvm/Support/Alignment.h"
#include "llvm/Support/Casting.h"		#include "llvm/Support/Casting.h"
#include "llvm/Support/SMLoc.h"		#include "llvm/Support/SMLoc.h"
#include <cstdint>		#include <cstdint>
#include <utility>		#include <utility>

namespace llvm {		namespace llvm {

class MCSection;		class MCSection;
Show All 9 Lines	enum FragmentType : uint8_t {
FT_Data,		FT_Data,
FT_CompactEncodedInst,		FT_CompactEncodedInst,
FT_Fill,		FT_Fill,
FT_Relaxable,		FT_Relaxable,
FT_Org,		FT_Org,
FT_Dwarf,		FT_Dwarf,
FT_DwarfFrame,		FT_DwarfFrame,
FT_LEB,		FT_LEB,
		FT_BoundaryAlign,
FT_SymbolId,		FT_SymbolId,
FT_CVInlineLines,		FT_CVInlineLines,
FT_CVDefRange,		FT_CVDefRange,
FT_Dummy		FT_Dummy
};		};

private:		private:
FragmentType Kind;		FragmentType Kind;
▲ Show 20 Lines • Show All 506 Lines • ▼ Show 20 Lines	public:
StringRef getFixedSizePortion() const { return FixedSizePortion; }		StringRef getFixedSizePortion() const { return FixedSizePortion; }
/// @}		/// @}

static bool classof(const MCFragment *F) {		static bool classof(const MCFragment *F) {
return F->getKind() == MCFragment::FT_CVDefRange;		return F->getKind() == MCFragment::FT_CVDefRange;
}		}
};		};

		class MCBoundaryAlignFragment : public MCFragment {
		private:
		/// The size of the MCBoundaryAlignFragment.
		reamesUnsubmitted Done Reply Inline Actions Please add a note that the size is lazily set during relaxation, and is not meaningful before that. reames: Please add a note that the size is lazily set during relaxation, and is not meaningful before…
		/// Note: The size is lazily set during relaxation, and is not meaningful
		MaskRayUnsubmitted Done Reply Inline Actions Don’t duplicate function or class name at the beginning of the comment (`BranchPadding -` ). (ref: https://llvm.org/docs/CodingStandards.html#doxygen-use-in-documentation-comments) MaskRay: Don’t duplicate function or class name at the beginning of the comment (`BranchPadding - `).
		/// before that.
		uint64_t Size = 0;
		/// The alignment requirement of the branch to be aligned.
		Align AlignBoundary;
		/// Flag to indicate whether the branch is fused.
		bool Fused : 1;
		/// Flag to indicate whether NOPs should be emitted.
		bool EmitNops : 1;

		public:
		MCBoundaryAlignFragment(Align AlignBoundary, bool Fused = false,
		MaskRayUnsubmitted Done Reply Inline Actions Full stop. MaskRay: Full stop.
		bool EmitNops = false, MCSection *Sec = nullptr)
		: MCFragment(FT_BoundaryAlign, false, Sec), AlignBoundary(AlignBoundary),
		Fused(Fused), EmitNops(EmitNops) {}

		/// \name Accessors
		/// @{

		Align getAlignment() const { return AlignBoundary; }

		uint64_t getSize() const { return Size; }
		efriedmaUnsubmitted Not Done Reply Inline Actions Global variables are forbidden in LLVM libraries; there could be multiple LLVMContexts in the same process. efriedma: Global variables are forbidden in LLVM libraries; there could be multiple LLVMContexts in the…

		bool canEmitNops() const { return EmitNops; }

		bool isFused() const { return Fused; }

		void setFused(bool Value) { Fused = Value; }

		void setEmitNops(bool Value) { EmitNops = Value; }

		void setSize(uint64_t Value) { Size = Value; }

		/// @}
		//

		static bool classof(const MCFragment *F) {
		return F->getKind() == MCFragment::FT_BoundaryAlign;
		}
		};
} // end namespace llvm		} // end namespace llvm

#endif // LLVM_MC_MCFRAGMENT_H		#endif // LLVM_MC_MCFRAGMENT_H
		MaskRayUnsubmitted Done Reply Inline Actions Move llvm_unreachable below the switch, otherwise clang will give a warning: warning: default label in switch which covers all enumera tion values [-Wcovered-switch-default] Unfortunately all GCC (even 9) -Wall will warn `warning: control reaches end of non-void function [-Wreturn-type]` unless you place an unreachable statement. MaskRay: Move llvm_unreachable below the switch, otherwise clang will give a warning: warning…
		MaskRayUnsubmitted Not Done Reply Inline Actions Store AlignBoundarySize as a shift value, then `needPadding` doesn't even need to call Log2_64(). MaskRay: Store AlignBoundarySize as a shift value, then `needPadding` doesn't even need to call Log2_64…