LLVM 17.0.0git
SparcSubtarget.h
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1//===-- SparcSubtarget.h - Define Subtarget for the SPARC -------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file declares the SPARC specific subclass of TargetSubtargetInfo.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_SPARC_SPARCSUBTARGET_H
14#define LLVM_LIB_TARGET_SPARC_SPARCSUBTARGET_H
15
16#include "SparcFrameLowering.h"
17#include "SparcISelLowering.h"
18#include "SparcInstrInfo.h"
21#include "llvm/IR/DataLayout.h"
23#include <string>
24
25#define GET_SUBTARGETINFO_HEADER
26#include "SparcGenSubtargetInfo.inc"
27
28namespace llvm {
29class StringRef;
30
32 Triple TargetTriple;
33 virtual void anchor();
34
35 bool Is64Bit;
36
37#define GET_SUBTARGETINFO_MACRO(ATTRIBUTE, DEFAULT, GETTER) \
38 bool ATTRIBUTE = DEFAULT;
39#include "SparcGenSubtargetInfo.inc"
40
41 SparcInstrInfo InstrInfo;
44 SparcFrameLowering FrameLowering;
45
46public:
47 SparcSubtarget(const Triple &TT, const std::string &CPU,
48 const std::string &FS, const TargetMachine &TM, bool is64bit);
49
50 const SparcInstrInfo *getInstrInfo() const override { return &InstrInfo; }
51 const TargetFrameLowering *getFrameLowering() const override {
52 return &FrameLowering;
53 }
54 const SparcRegisterInfo *getRegisterInfo() const override {
55 return &InstrInfo.getRegisterInfo();
56 }
57 const SparcTargetLowering *getTargetLowering() const override {
58 return &TLInfo;
59 }
61 return &TSInfo;
62 }
63
64 bool enableMachineScheduler() const override;
65
66#define GET_SUBTARGETINFO_MACRO(ATTRIBUTE, DEFAULT, GETTER) \
67 bool GETTER() const { return ATTRIBUTE; }
68#include "SparcGenSubtargetInfo.inc"
69
70 /// ParseSubtargetFeatures - Parses features string setting specified
71 /// subtarget options. Definition of function is auto generated by tblgen.
74
75 bool is64Bit() const { return Is64Bit; }
76
77 /// The 64-bit ABI uses biased stack and frame pointers, so the stack frame
78 /// of the current function is the area from [%sp+BIAS] to [%fp+BIAS].
79 int64_t getStackPointerBias() const {
80 return is64Bit() ? 2047 : 0;
81 }
82
83 /// Given a actual stack size as determined by FrameInfo, this function
84 /// returns adjusted framesize which includes space for register window
85 /// spills and arguments.
86 int getAdjustedFrameSize(int stackSize) const;
87
88 bool isTargetLinux() const { return TargetTriple.isOSLinux(); }
89};
90
91} // end namespace llvm
92
93#endif
const char LLVMTargetMachineRef TM
return InstrInfo
Targets can subclass this to parameterize the SelectionDAG lowering and instruction selection process...
const SparcRegisterInfo * getRegisterInfo() const override
int64_t getStackPointerBias() const
The 64-bit ABI uses biased stack and frame pointers, so the stack frame of the current function is th...
const SparcTargetLowering * getTargetLowering() const override
int getAdjustedFrameSize(int stackSize) const
Given a actual stack size as determined by FrameInfo, this function returns adjusted framesize which ...
bool enableMachineScheduler() const override
const TargetFrameLowering * getFrameLowering() const override
bool isTargetLinux() const
bool is64Bit() const
void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS)
ParseSubtargetFeatures - Parses features string setting specified subtarget options.
SparcSubtarget & initializeSubtargetDependencies(StringRef CPU, StringRef FS)
const SparcInstrInfo * getInstrInfo() const override
const SelectionDAGTargetInfo * getSelectionDAGInfo() const override
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
Information about stack frame layout on the target.
Primary interface to the complete machine description for the target machine.
Definition: TargetMachine.h:78
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
bool isOSLinux() const
Tests whether the OS is Linux.
Definition: Triple.h:638
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18