clang 22.0.0git
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
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 2, // hlsl_constant
46 0, // hlsl_private
47 0, // hlsl_device
48 0, // hlsl_input
49 // Wasm address space values for this target are dummy values,
50 // as it is only enabled for Wasm targets.
51 20, // wasm_funcref
52};
53
54class LLVM_LIBRARY_VISIBILITY DirectXTargetInfo : public TargetInfo {
55public:
56 DirectXTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
57 : TargetInfo(Triple) {
58 TLSSupported = false;
59 VLASupported = false;
62 HasFastHalfType = true;
63 HasFloat16 = true;
64 NoAsmVariants = true;
65 PlatformMinVersion = Triple.getOSVersion();
66 PlatformName = llvm::Triple::getOSTypeName(Triple.getOS());
67 // TODO: We need to align vectors on the element size generally, but for now
68 // we hard code this for 3-element 32- and 64-bit vectors as a workaround.
69 // See https://github.com/llvm/llvm-project/issues/123968
70 resetDataLayout("e-m:e-p:32:32-i1:32-i8:8-i16:16-i32:32-i64:64-f16:16-f32:"
71 "32-f64:64-n8:16:32:64-v48:16:16-v96:32:32-v192:64:64");
72 TheCXXABI.set(TargetCXXABI::GenericItanium);
73 }
74 bool useFP16ConversionIntrinsics() const override { return false; }
75 void getTargetDefines(const LangOptions &Opts,
76 MacroBuilder &Builder) const override;
77
78 bool hasFeature(StringRef Feature) const override {
79 return Feature == "directx";
80 }
81
82 llvm::SmallVector<Builtin::InfosShard> getTargetBuiltins() const override;
83
84 std::string_view getClobbers() const override { return ""; }
85
86 ArrayRef<const char *> getGCCRegNames() const override { return {}; }
87
88 bool validateAsmConstraint(const char *&Name,
89 TargetInfo::ConstraintInfo &info) const override {
90 return true;
91 }
92
94 return {};
95 }
96
100
102 const TargetInfo *Aux) override {
103 TargetInfo::adjust(Diags, Opts, Aux);
104 // The static values this addresses do not apply outside of the same thread
105 // This protection is neither available nor needed
106 Opts.ThreadsafeStatics = false;
107 }
108};
109
110} // namespace targets
111} // namespace clang
112
113#endif // LLVM_CLANG_LIB_BASIC_TARGETS_DIRECTX_H
Defines the clang::TargetOptions class.
Concrete class used by the front-end to report problems and issues.
Definition Diagnostic.h:232
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
TargetInfo(const llvm::Triple &T)
const LangASMap * AddrSpaceMap
Definition TargetInfo.h:258
void resetDataLayout(StringRef DL, const char *UserLabelPrefix="")
BuiltinVaListKind
The different kinds of __builtin_va_list types defined by the target implementation.
Definition TargetInfo.h:330
@ VoidPtrBuiltinVaList
typedef void* __builtin_va_list;
Definition TargetInfo.h:335
VersionTuple PlatformMinVersion
Definition TargetInfo.h:261
virtual void adjust(DiagnosticsEngine &Diags, LangOptions &Opts, const TargetInfo *Aux)
Set forced language options.
StringRef PlatformName
Definition TargetInfo.h:260
bool UseAddrSpaceMapMangling
Specify if mangling based on address space map should be used or not for language specific address sp...
Definition TargetInfo.h:382
TargetCXXABI TheCXXABI
Definition TargetInfo.h:256
Options for controlling the target.
std::string_view getClobbers() const override
Returns a string of target-specific clobbers, in LLVM format.
Definition DirectX.h:84
BuiltinVaListKind getBuiltinVaListKind() const override
Returns the kind of __builtin_va_list type that should be used with this target.
Definition DirectX.h:97
ArrayRef< TargetInfo::GCCRegAlias > getGCCRegAliases() const override
Definition DirectX.h:93
bool useFP16ConversionIntrinsics() const override
Check whether llvm intrinsics such as llvm.convert.to.fp16 should be used to convert to and from __fp...
Definition DirectX.h:74
ArrayRef< const char * > getGCCRegNames() const override
Definition DirectX.h:86
bool hasFeature(StringRef Feature) const override
Determine whether the given target has the given feature.
Definition DirectX.h:78
bool validateAsmConstraint(const char *&Name, TargetInfo::ConstraintInfo &info) const override
Definition DirectX.h:88
DirectXTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
Definition DirectX.h:56
void adjust(DiagnosticsEngine &Diags, LangOptions &Opts, const TargetInfo *Aux) override
Set forced language options.
Definition DirectX.h:101
Defines the clang::TargetInfo interface.
static const unsigned DirectXAddrSpaceMap[]
Definition DirectX.h:23
The JSON file list parser is used to communicate input to InstallAPI.