1//===--- TargetOptions.h ----------------------------------------*- 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/// \file
10/// Defines the clang::TargetOptions class.
11///
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_CLANG_BASIC_TARGETOPTIONS_H
15#define LLVM_CLANG_BASIC_TARGETOPTIONS_H
16
17#include "clang/Basic/OpenCLOptions.h"
18#include "llvm/Support/VersionTuple.h"
19#include "llvm/Target/TargetOptions.h"
20#include <string>
21#include <vector>
22
23namespace clang {
24
25/// Options for controlling the target.
26class TargetOptions {
27public:
28 /// The name of the target triple to compile for.
29 std::string Triple;
30
31 /// When compiling for the device side, contains the triple used to compile
32 /// for the host.
33 std::string HostTriple;
34
35 /// If given, the name of the target CPU to generate code for.
36 std::string CPU;
37
38 /// If given, the name of the target CPU to tune code for.
39 std::string TuneCPU;
40
41 /// If given, the unit to use for floating point math.
42 std::string FPMath;
43
44 /// If given, the name of the target ABI to use.
45 std::string ABI;
46
47 /// The EABI version to use
48 llvm::EABI EABIVersion;
49
50 /// If given, the version string of the linker in use.
51 std::string LinkerVersion;
52
53 /// The list of target specific features to enable or disable, as written on the command line.
54 std::vector<std::string> FeaturesAsWritten;
55
56 /// The list of target specific features to enable or disable -- this should
57 /// be a list of strings starting with by '+' or '-'.
58 std::vector<std::string> Features;
59
60 /// The map of which features have been enabled disabled based on the command
61 /// line.
62 llvm::StringMap<bool> FeatureMap;
63
64 /// Supported OpenCL extensions and optional core features.
65 llvm::StringMap<bool> OpenCLFeaturesMap;
66
67 /// The list of OpenCL extensions to enable or disable, as written on
68 /// the command line.
69 std::vector<std::string> OpenCLExtensionsAsWritten;
70
71 /// If given, enables support for __int128_t and __uint128_t types.
72 bool ForceEnableInt128 = false;
73
74 /// \brief If enabled, use 32-bit pointers for accessing const/local/shared
75 /// address space.
76 bool NVPTXUseShortPointers = false;
77
78 /// \brief If enabled, allow AMDGPU unsafe floating point atomics.
79 bool AllowAMDGPUUnsafeFPAtomics = false;
80
81 // The code model to be used as specified by the user. Corresponds to
82 // CodeModel::Model enum defined in include/llvm/Support/CodeGen.h, plus
83 // "default" for the case when the user has not explicitly specified a
84 // code model.
85 std::string CodeModel;
86
87 /// The version of the SDK which was used during the compilation.
88 /// The option is used for two different purposes:
89 /// * on darwin the version is propagated to LLVM where it's used
90 /// to support SDK Version metadata (See D55673).
91 /// * CUDA compilation uses it to control parts of CUDA compilation
92 /// in clang that depend on specific version of the CUDA SDK.
93 llvm::VersionTuple SDKVersion;
94};
95
96} // end namespace clang
97
98#endif
99