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
20namespace clang {
21namespace targets {
22
23static 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
50class LLVM_LIBRARY_VISIBILITY DirectXTargetInfo : public TargetInfo {
51public:
52 DirectXTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
53 : TargetInfo(Triple) {
54 TLSSupported = false;
55 VLASupported = false;
56 LongWidth = LongAlign = 64;
57 AddrSpaceMap = &DirectXAddrSpaceMap;
58 UseAddrSpaceMapMangling = true;
59 HasLegalHalfType = true;
60 HasFloat16 = true;
61 NoAsmVariants = true;
62 PlatformMinVersion = Triple.getOSVersion();
63 PlatformName = llvm::Triple::getOSTypeName(Kind: Triple.getOS());
64 resetDataLayout(DL: "e-m:e-p:32:32-i1:32-i8:8-i16:16-i32:32-i64:64-f16:16-f32:"
65 "32-f64:64-n8:16:32:64");
66 TheCXXABI.set(TargetCXXABI::Microsoft);
67 }
68 bool useFP16ConversionIntrinsics() const override { return false; }
69 void getTargetDefines(const LangOptions &Opts,
70 MacroBuilder &Builder) const override;
71
72 bool hasFeature(StringRef Feature) const override {
73 return Feature == "directx";
74 }
75
76 ArrayRef<Builtin::Info> getTargetBuiltins() const override {
77 return std::nullopt;
78 }
79
80 std::string_view getClobbers() const override { return ""; }
81
82 ArrayRef<const char *> getGCCRegNames() const override {
83 return std::nullopt;
84 }
85
86 bool validateAsmConstraint(const char *&Name,
87 TargetInfo::ConstraintInfo &info) const override {
88 return true;
89 }
90
91 ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
92 return std::nullopt;
93 }
94
95 BuiltinVaListKind getBuiltinVaListKind() const override {
96 return TargetInfo::VoidPtrBuiltinVaList;
97 }
98};
99
100} // namespace targets
101} // namespace clang
102
103#endif // LLVM_CLANG_LIB_BASIC_TARGETS_DIRECTX_H
104

source code of clang/lib/Basic/Targets/DirectX.h