/src/llvm-project/clang/lib/Basic/Targets/DirectX.h
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1 | | //===--- DirectX.h - Declare DirectX target feature support -----*- 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 DXIL TargetInfo objects. |
10 | | // |
11 | | //===----------------------------------------------------------------------===// |
12 | | |
13 | | #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_DIRECTX_H |
14 | | #define LLVM_CLANG_LIB_BASIC_TARGETS_DIRECTX_H |
15 | | #include "clang/Basic/TargetInfo.h" |
16 | | #include "clang/Basic/TargetOptions.h" |
17 | | #include "llvm/Support/Compiler.h" |
18 | | #include "llvm/TargetParser/Triple.h" |
19 | | |
20 | | namespace clang { |
21 | | namespace targets { |
22 | | |
23 | | static const unsigned DirectXAddrSpaceMap[] = { |
24 | | 0, // Default |
25 | | 1, // opencl_global |
26 | | 3, // opencl_local |
27 | | 2, // opencl_constant |
28 | | 0, // opencl_private |
29 | | 4, // opencl_generic |
30 | | 5, // opencl_global_device |
31 | | 6, // opencl_global_host |
32 | | 0, // cuda_device |
33 | | 0, // cuda_constant |
34 | | 0, // cuda_shared |
35 | | // SYCL address space values for this map are dummy |
36 | | 0, // sycl_global |
37 | | 0, // sycl_global_device |
38 | | 0, // sycl_global_host |
39 | | 0, // sycl_local |
40 | | 0, // sycl_private |
41 | | 0, // ptr32_sptr |
42 | | 0, // ptr32_uptr |
43 | | 0, // ptr64 |
44 | | 3, // hlsl_groupshared |
45 | | // Wasm address space values for this target are dummy values, |
46 | | // as it is only enabled for Wasm targets. |
47 | | 20, // wasm_funcref |
48 | | }; |
49 | | |
50 | | class LLVM_LIBRARY_VISIBILITY DirectXTargetInfo : public TargetInfo { |
51 | | public: |
52 | | DirectXTargetInfo(const llvm::Triple &Triple, const TargetOptions &) |
53 | 0 | : TargetInfo(Triple) { |
54 | 0 | TLSSupported = false; |
55 | 0 | VLASupported = false; |
56 | 0 | LongWidth = LongAlign = 64; |
57 | 0 | AddrSpaceMap = &DirectXAddrSpaceMap; |
58 | 0 | UseAddrSpaceMapMangling = true; |
59 | 0 | HasLegalHalfType = true; |
60 | 0 | HasFloat16 = true; |
61 | 0 | NoAsmVariants = true; |
62 | 0 | PlatformMinVersion = Triple.getOSVersion(); |
63 | 0 | PlatformName = llvm::Triple::getOSTypeName(Triple.getOS()); |
64 | 0 | resetDataLayout("e-m:e-p:32:32-i1:32-i8:8-i16:16-i32:32-i64:64-f16:16-f32:" |
65 | 0 | "32-f64:64-n8:16:32:64"); |
66 | 0 | TheCXXABI.set(TargetCXXABI::Microsoft); |
67 | 0 | } |
68 | 0 | bool useFP16ConversionIntrinsics() const override { return false; } |
69 | | void getTargetDefines(const LangOptions &Opts, |
70 | | MacroBuilder &Builder) const override; |
71 | | |
72 | 0 | bool hasFeature(StringRef Feature) const override { |
73 | 0 | return Feature == "directx"; |
74 | 0 | } |
75 | | |
76 | 0 | ArrayRef<Builtin::Info> getTargetBuiltins() const override { |
77 | 0 | return std::nullopt; |
78 | 0 | } |
79 | | |
80 | 0 | std::string_view getClobbers() const override { return ""; } |
81 | | |
82 | 0 | ArrayRef<const char *> getGCCRegNames() const override { |
83 | 0 | return std::nullopt; |
84 | 0 | } |
85 | | |
86 | | bool validateAsmConstraint(const char *&Name, |
87 | 0 | TargetInfo::ConstraintInfo &info) const override { |
88 | 0 | return true; |
89 | 0 | } |
90 | | |
91 | 0 | ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override { |
92 | 0 | return std::nullopt; |
93 | 0 | } |
94 | | |
95 | 0 | BuiltinVaListKind getBuiltinVaListKind() const override { |
96 | 0 | return TargetInfo::VoidPtrBuiltinVaList; |
97 | 0 | } |
98 | | }; |
99 | | |
100 | | } // namespace targets |
101 | | } // namespace clang |
102 | | |
103 | | #endif // LLVM_CLANG_LIB_BASIC_TARGETS_DIRECTX_H |