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

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

				//===-- RISCVSubtarget.h - Define Subtarget for the RISCV -------- C++ --===//
				//
				// The LLVM Compiler Infrastructure
				//
				// This file is distributed under the University of Illinois Open Source
				// License. See LICENSE.TXT for details.
				//
				//===----------------------------------------------------------------------===//
				//
				// This file declares the RISCV specific subclass of TargetSubtargetInfo.
				//
				//===----------------------------------------------------------------------===//

				#ifndef LLVM_LIB_TARGET_RISCV_RISCVSUBTARGET_H
				#define LLVM_LIB_TARGET_RISCV_RISCVSUBTARGET_H

				#include "RISCVFrameLowering.h"
				#include "RISCVISelLowering.h"
				#include "RISCVInstrInfo.h"
				#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
				#include "llvm/IR/DataLayout.h"
				#include "llvm/Target/TargetMachine.h"
				#include "llvm/Target/TargetSubtargetInfo.h"

				#define GET_SUBTARGETINFO_HEADER
				#include "RISCVGenSubtargetInfo.inc"

				namespace llvm {
				class StringRef;

				class RISCVSubtarget : public RISCVGenSubtargetInfo {
				virtual void anchor();
				bool HasRV64 = false;
				unsigned XLen = 32;
				MVT XLenVT = MVT::i32;
				RISCVFrameLowering FrameLowering;
				RISCVInstrInfo InstrInfo;
				RISCVRegisterInfo RegInfo;
				RISCVTargetLowering TLInfo;
				SelectionDAGTargetInfo TSInfo;

				/// Initializes using the passed in CPU and feature strings so that we can
				/// use initializer lists for subtarget initialization.
				RISCVSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS,
				bool Is64Bit);

				public:
				// Initializes the data members to match that of the specified triple.
				RISCVSubtarget(const Triple &TT, const std::string &CPU,
				const std::string &FS, const TargetMachine &TM);

				// Parses features string setting specified subtarget options. The
				// definition of this function is auto-generated by tblgen.
				void ParseSubtargetFeatures(StringRef CPU, StringRef FS);

				const RISCVFrameLowering *getFrameLowering() const override {
				return &FrameLowering;
				}
				const RISCVInstrInfo *getInstrInfo() const override { return &InstrInfo; }
				const RISCVRegisterInfo *getRegisterInfo() const override {
				return &RegInfo;
				}
				const RISCVTargetLowering *getTargetLowering() const override {
				return &TLInfo;
				}
				const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
				return &TSInfo;
				}
				bool is64Bit() const { return HasRV64; }
				MVT getXLenVT() const { return XLenVT; }
				unsigned getXLen() const { return XLen; }
				};
				} // End llvm namespace

				#endif