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