LLVM 19.0.0git
RISCVTargetMachine.h
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1//===-- RISCVTargetMachine.h - Define TargetMachine for RISC-V --*- 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 RISC-V specific subclass of TargetMachine.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_RISCV_RISCVTARGETMACHINE_H
14#define LLVM_LIB_TARGET_RISCV_RISCVTARGETMACHINE_H
15
17#include "RISCVSubtarget.h"
19#include "llvm/IR/DataLayout.h"
21#include <optional>
22
23namespace llvm {
25 std::unique_ptr<TargetLoweringObjectFile> TLOF;
27
28public:
29 RISCVTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
31 std::optional<Reloc::Model> RM,
32 std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
33 bool JIT);
34
35 const RISCVSubtarget *getSubtargetImpl(const Function &F) const override;
36 // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,
37 // subtargets are per-function entities based on the target-specific
38 // attributes of each function.
39 const RISCVSubtarget *getSubtargetImpl() const = delete;
40
42
44 return TLOF.get();
45 }
46
49 const TargetSubtargetInfo *STI) const override;
50
52
53 bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DstAS) const override;
54
57 convertFuncInfoToYAML(const MachineFunction &MF) const override;
61 SMRange &SourceRange) const override;
63};
64} // namespace llvm
65
66#endif
#define F(x, y, z)
Definition: MD5.cpp:55
PassBuilder PB(Machine, PassOpts->PTO, std::nullopt, &PIC)
Basic Register Allocator
Allocate memory in an ever growing pool, as if by bump-pointer.
Definition: Allocator.h:66
Lightweight error class with error context and mandatory checking.
Definition: Error.h:160
This class describes a target machine that is implemented with the LLVM target-independent code gener...
This class provides access to building LLVM's passes.
Definition: PassBuilder.h:106
yaml::MachineFunctionInfo * createDefaultFuncInfoYAML() const override
Allocate and return a default initialized instance of the YAML representation for the MachineFunction...
TargetPassConfig * createPassConfig(PassManagerBase &PM) override
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
void registerPassBuilderCallbacks(PassBuilder &PB) override
Allow the target to modify the pass pipeline.
bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DstAS) const override
Returns true if a cast between SrcAS and DestAS is a noop.
TargetLoweringObjectFile * getObjFileLowering() const override
TargetTransformInfo getTargetTransformInfo(const Function &F) const override
Get a TargetTransformInfo implementation for the target.
MachineFunctionInfo * createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F, const TargetSubtargetInfo *STI) const override
Create the target's instance of MachineFunctionInfo.
yaml::MachineFunctionInfo * convertFuncInfoToYAML(const MachineFunction &MF) const override
Allocate and initialize an instance of the YAML representation of the MachineFunctionInfo.
bool parseMachineFunctionInfo(const yaml::MachineFunctionInfo &, PerFunctionMIParsingState &PFS, SMDiagnostic &Error, SMRange &SourceRange) const override
Parse out the target's MachineFunctionInfo from the YAML reprsentation.
const RISCVSubtarget * getSubtargetImpl() const =delete
Instances of this class encapsulate one diagnostic report, allowing printing to a raw_ostream as a ca...
Definition: SourceMgr.h:281
Represents a range in source code.
Definition: SMLoc.h:48
StringMap - This is an unconventional map that is specialized for handling keys that are "strings",...
Definition: StringMap.h:128
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
std::unique_ptr< const MCSubtargetInfo > STI
TargetOptions Options
Target-Independent Code Generator Pass Configuration Options.
TargetSubtargetInfo - Generic base class for all target subtargets.
This pass provides access to the codegen interfaces that are needed for IR-level transformations.
Target - Wrapper for Target specific information.
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
CodeGenOptLevel
Code generation optimization level.
Definition: CodeGen.h:54
MachineFunctionInfo - This class can be derived from and used by targets to hold private target-speci...
Targets should override this in a way that mirrors the implementation of llvm::MachineFunctionInfo.