1480093f4SDimitry Andric //===-- VESubtarget.h - Define Subtarget for the VE -------------*- C++ -*-===// 2480093f4SDimitry Andric // 3480093f4SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4480093f4SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5480093f4SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6480093f4SDimitry Andric // 7480093f4SDimitry Andric //===----------------------------------------------------------------------===// 8480093f4SDimitry Andric // 9480093f4SDimitry Andric // This file declares the VE specific subclass of TargetSubtargetInfo. 10480093f4SDimitry Andric // 11480093f4SDimitry Andric //===----------------------------------------------------------------------===// 12480093f4SDimitry Andric 13480093f4SDimitry Andric #ifndef LLVM_LIB_TARGET_VE_VESUBTARGET_H 14480093f4SDimitry Andric #define LLVM_LIB_TARGET_VE_VESUBTARGET_H 15480093f4SDimitry Andric 16480093f4SDimitry Andric #include "VEFrameLowering.h" 17480093f4SDimitry Andric #include "VEISelLowering.h" 18480093f4SDimitry Andric #include "VEInstrInfo.h" 19480093f4SDimitry Andric #include "llvm/CodeGen/SelectionDAGTargetInfo.h" 20480093f4SDimitry Andric #include "llvm/CodeGen/TargetFrameLowering.h" 21480093f4SDimitry Andric #include "llvm/CodeGen/TargetSubtargetInfo.h" 22480093f4SDimitry Andric #include "llvm/IR/DataLayout.h" 23480093f4SDimitry Andric #include <string> 24480093f4SDimitry Andric 25480093f4SDimitry Andric #define GET_SUBTARGETINFO_HEADER 26480093f4SDimitry Andric #include "VEGenSubtargetInfo.inc" 27480093f4SDimitry Andric 28480093f4SDimitry Andric namespace llvm { 29480093f4SDimitry Andric class StringRef; 30480093f4SDimitry Andric 31480093f4SDimitry Andric class VESubtarget : public VEGenSubtargetInfo { 32480093f4SDimitry Andric Triple TargetTriple; 33480093f4SDimitry Andric virtual void anchor(); 34480093f4SDimitry Andric 35*e8d8bef9SDimitry Andric /// Features { 36*e8d8bef9SDimitry Andric 37*e8d8bef9SDimitry Andric // Emit VPU instructions 38*e8d8bef9SDimitry Andric bool EnableVPU; 39*e8d8bef9SDimitry Andric 40*e8d8bef9SDimitry Andric /// } Features 41*e8d8bef9SDimitry Andric 42480093f4SDimitry Andric VEInstrInfo InstrInfo; 43480093f4SDimitry Andric VETargetLowering TLInfo; 44480093f4SDimitry Andric SelectionDAGTargetInfo TSInfo; 45480093f4SDimitry Andric VEFrameLowering FrameLowering; 46480093f4SDimitry Andric 47480093f4SDimitry Andric public: 48480093f4SDimitry Andric VESubtarget(const Triple &TT, const std::string &CPU, const std::string &FS, 49480093f4SDimitry Andric const TargetMachine &TM); 50480093f4SDimitry Andric 51480093f4SDimitry Andric const VEInstrInfo *getInstrInfo() const override { return &InstrInfo; } 525ffd83dbSDimitry Andric const VEFrameLowering *getFrameLowering() const override { 53480093f4SDimitry Andric return &FrameLowering; 54480093f4SDimitry Andric } 55480093f4SDimitry Andric const VERegisterInfo *getRegisterInfo() const override { 56480093f4SDimitry Andric return &InstrInfo.getRegisterInfo(); 57480093f4SDimitry Andric } 58480093f4SDimitry Andric const VETargetLowering *getTargetLowering() const override { return &TLInfo; } 59480093f4SDimitry Andric const SelectionDAGTargetInfo *getSelectionDAGInfo() const override { 60480093f4SDimitry Andric return &TSInfo; 61480093f4SDimitry Andric } 62480093f4SDimitry Andric 63480093f4SDimitry Andric bool enableMachineScheduler() const override; 64480093f4SDimitry Andric 65*e8d8bef9SDimitry Andric bool enableVPU() const { return EnableVPU; } 66*e8d8bef9SDimitry Andric 67480093f4SDimitry Andric /// ParseSubtargetFeatures - Parses features string setting specified 68480093f4SDimitry Andric /// subtarget options. Definition of function is auto generated by tblgen. 69*e8d8bef9SDimitry Andric void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS); 70480093f4SDimitry Andric VESubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS); 71480093f4SDimitry Andric 72480093f4SDimitry Andric /// Given a actual stack size as determined by FrameInfo, this function 73*e8d8bef9SDimitry Andric /// returns adjusted framesize which includes space for RSA, return 74*e8d8bef9SDimitry Andric /// address, and frame poitner. 75*e8d8bef9SDimitry Andric uint64_t getAdjustedFrameSize(uint64_t FrameSize) const; 76*e8d8bef9SDimitry Andric 77*e8d8bef9SDimitry Andric /// Get the size of RSA, return address, and frame pointer as described 78*e8d8bef9SDimitry Andric /// in VEFrameLowering.cpp. 79*e8d8bef9SDimitry Andric unsigned getRsaSize(void) const { return 176; }; 80480093f4SDimitry Andric 81480093f4SDimitry Andric bool isTargetLinux() const { return TargetTriple.isOSLinux(); } 82480093f4SDimitry Andric }; 83480093f4SDimitry Andric 84480093f4SDimitry Andric } // namespace llvm 85480093f4SDimitry Andric 86480093f4SDimitry Andric #endif 87