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//===-- VESubtarget.h - Define Subtarget for the VE -------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares the VE specific subclass of TargetSubtargetInfo.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_VE_VESUBTARGET_H
#define LLVM_LIB_TARGET_VE_VESUBTARGET_H
#include "VEFrameLowering.h"
#include "VEISelLowering.h"
#include "VEInstrInfo.h"
#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/DataLayout.h"
#include <string>
#define GET_SUBTARGETINFO_HEADER
#include "VEGenSubtargetInfo.inc"
namespace llvm {
class StringRef;
class VESubtarget : public VEGenSubtargetInfo {
Triple TargetTriple;
virtual void anchor();
/// Features {
// Emit VPU instructions
bool EnableVPU;
/// } Features
VEInstrInfo InstrInfo;
VETargetLowering TLInfo;
SelectionDAGTargetInfo TSInfo;
VEFrameLowering FrameLowering;
public:
VESubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
const TargetMachine &TM);
const VEInstrInfo *getInstrInfo() const override { return &InstrInfo; }
const VEFrameLowering *getFrameLowering() const override {
return &FrameLowering;
}
const VERegisterInfo *getRegisterInfo() const override {
return &InstrInfo.getRegisterInfo();
}
const VETargetLowering *getTargetLowering() const override { return &TLInfo; }
const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
return &TSInfo;
}
bool enableMachineScheduler() const override;
bool enableVPU() const { return EnableVPU; }
/// ParseSubtargetFeatures - Parses features string setting specified
/// subtarget options. Definition of function is auto generated by tblgen.
void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS);
VESubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
/// Given a actual stack size as determined by FrameInfo, this function
/// returns adjusted framesize which includes space for RSA, return
/// address, and frame poitner.
uint64_t getAdjustedFrameSize(uint64_t FrameSize) const;
/// Get the size of RSA, return address, and frame pointer as described
/// in VEFrameLowering.cpp.
unsigned getRsaSize() const { return 176; };
bool isTargetLinux() const { return TargetTriple.isOSLinux(); }
};
} // namespace llvm
#endif
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