Differential D29933 Diff 119619 llvm/trunk/lib/Target/RISCV/RISCVSubtarget.h

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llvm/trunk/lib/Target/RISCV/RISCVSubtarget.h

		1		//===-- RISCVSubtarget.h - Define Subtarget for the RISCV -------- C++ --===//
		2		//
		3		// The LLVM Compiler Infrastructure
		4		//
		5		// This file is distributed under the University of Illinois Open Source
		6		// License. See LICENSE.TXT for details.
		7		//
		8		//===----------------------------------------------------------------------===//
		9		//
		10		// This file declares the RISCV specific subclass of TargetSubtargetInfo.
		11		//
		12		//===----------------------------------------------------------------------===//
		13
		14		#ifndef LLVM_LIB_TARGET_RISCV_RISCVSUBTARGET_H
		15		#define LLVM_LIB_TARGET_RISCV_RISCVSUBTARGET_H
		16
		17		#include "RISCVFrameLowering.h"
		18		#include "RISCVISelLowering.h"
		19		#include "RISCVInstrInfo.h"
		20		#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
		21		#include "llvm/IR/DataLayout.h"
		22		#include "llvm/Target/TargetMachine.h"
		23		#include "llvm/Target/TargetSubtargetInfo.h"
		24
		25		#define GET_SUBTARGETINFO_HEADER
		26		#include "RISCVGenSubtargetInfo.inc"
		27
		28		namespace llvm {
		29		class StringRef;
		30
		31		class RISCVSubtarget : public RISCVGenSubtargetInfo {
		32		virtual void anchor();
		33		bool HasRV64 = false;
		34		unsigned XLen = 32;
		35		MVT XLenVT = MVT::i32;
		36		RISCVFrameLowering FrameLowering;
		37		RISCVInstrInfo InstrInfo;
		38		RISCVRegisterInfo RegInfo;
		39		RISCVTargetLowering TLInfo;
		40		SelectionDAGTargetInfo TSInfo;
		41
		42		/// Initializes using the passed in CPU and feature strings so that we can
		43		/// use initializer lists for subtarget initialization.
		44		RISCVSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS,
		45		bool Is64Bit);
		46
		47		public:
		48		// Initializes the data members to match that of the specified triple.
		49		RISCVSubtarget(const Triple &TT, const std::string &CPU,
		50		const std::string &FS, const TargetMachine &TM);
		51
		52		// Parses features string setting specified subtarget options. The
		53		// definition of this function is auto-generated by tblgen.
		54		void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
		55
		56		const RISCVFrameLowering *getFrameLowering() const override {
		57		return &FrameLowering;
		58		}
		59		const RISCVInstrInfo *getInstrInfo() const override { return &InstrInfo; }
		60		const RISCVRegisterInfo *getRegisterInfo() const override {
		61		return &RegInfo;
		62		}
		63		const RISCVTargetLowering *getTargetLowering() const override {
		64		return &TLInfo;
		65		}
		66		const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
		67		return &TSInfo;
		68		}
		69		bool is64Bit() const { return HasRV64; }
		70		MVT getXLenVT() const { return XLenVT; }
		71		unsigned getXLen() const { return XLen; }
		72		};
		73		} // End llvm namespace
		74
		75		#endif