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https://github.com/Gericom/teak-llvm.git
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064859bde7
Summary: This patch implements minimal VE code generation for empty function bodies (no args, no value return). Contents * empty function code generation test. * Minimal function prologue & epilogue emission * Instruction formats and instruction definitions as far as required for the empty function prologue & epilogue. * I64 register class definitions. Reviewed By: arsenm Differential Revision: https://reviews.llvm.org/D72598
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
//===-- VESubtarget.h - Define Subtarget for the VE -------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the VE specific subclass of TargetSubtargetInfo.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_VE_VESUBTARGET_H
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#define LLVM_LIB_TARGET_VE_VESUBTARGET_H
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#include "VEFrameLowering.h"
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#include "VEISelLowering.h"
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#include "VEInstrInfo.h"
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#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
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#include "llvm/CodeGen/TargetFrameLowering.h"
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#include "llvm/CodeGen/TargetSubtargetInfo.h"
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#include "llvm/IR/DataLayout.h"
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#include <string>
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#define GET_SUBTARGETINFO_HEADER
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#include "VEGenSubtargetInfo.inc"
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namespace llvm {
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class StringRef;
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class VESubtarget : public VEGenSubtargetInfo {
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Triple TargetTriple;
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virtual void anchor();
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VEInstrInfo InstrInfo;
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VETargetLowering TLInfo;
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SelectionDAGTargetInfo TSInfo;
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VEFrameLowering FrameLowering;
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public:
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VESubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
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const TargetMachine &TM);
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const VEInstrInfo *getInstrInfo() const override { return &InstrInfo; }
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const TargetFrameLowering *getFrameLowering() const override {
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return &FrameLowering;
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}
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const VERegisterInfo *getRegisterInfo() const override {
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return &InstrInfo.getRegisterInfo();
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}
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const VETargetLowering *getTargetLowering() const override { return &TLInfo; }
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const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
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return &TSInfo;
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}
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bool enableMachineScheduler() const override;
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/// ParseSubtargetFeatures - Parses features string setting specified
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/// subtarget options. Definition of function is auto generated by tblgen.
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void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
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VESubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
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/// Given a actual stack size as determined by FrameInfo, this function
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/// returns adjusted framesize which includes space for register window
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/// spills and arguments.
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int getAdjustedFrameSize(int stackSize) const;
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bool isTargetLinux() const { return TargetTriple.isOSLinux(); }
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};
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} // namespace llvm
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#endif
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