LLVM  12.0.0git
RISCVTargetMachine.h
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1 //===-- RISCVTargetMachine.h - Define TargetMachine for RISCV ---*- 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 RISCV 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 
22 namespace llvm {
24  std::unique_ptr<TargetLoweringObjectFile> TLOF;
25  mutable StringMap<std::unique_ptr<RISCVSubtarget>> SubtargetMap;
26 
27 public:
28  RISCVTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
31  CodeGenOpt::Level OL, bool JIT);
32 
33  const RISCVSubtarget *getSubtargetImpl(const Function &F) const override;
34  // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,
35  // subtargets are per-function entities based on the target-specific
36  // attributes of each function.
37  const RISCVSubtarget *getSubtargetImpl() const = delete;
38 
40 
42  return TLOF.get();
43  }
44 
46 };
47 }
48 
49 #endif
const RISCVSubtarget * getSubtargetImpl() const =delete
This class represents lattice values for constants.
Definition: AllocatorList.h:23
F(f)
Target-Independent Code Generator Pass Configuration Options.
This class describes a target machine that is implemented with the LLVM target-independent code gener...
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:45
This pass provides access to the codegen interfaces that are needed for IR-level transformations.
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
StringMap - This is an unconventional map that is specialized for handling keys that are "strings"...
Definition: StringMap.h:106
TargetLoweringObjectFile * getObjFileLowering() const override
Target - Wrapper for Target specific information.
TargetTransformInfo getTargetTransformInfo(const Function &F) override
Get a TargetTransformInfo implementation for the target.
TargetOptions Options
RISCVTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Optional< Reloc::Model > RM, Optional< CodeModel::Model > CM, CodeGenOpt::Level OL, bool JIT)
TargetPassConfig * createPassConfig(PassManagerBase &PM) override
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:57