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//===--- DirectX.h - Declare DirectX target feature support -----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares DXIL TargetInfo objects.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_DIRECTX_H
#define LLVM_CLANG_LIB_BASIC_TARGETS_DIRECTX_H
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TargetOptions.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Support/Compiler.h"
namespace clang {
namespace targets {
static const unsigned DirectXAddrSpaceMap[] = {
0, // Default
1, // opencl_global
3, // opencl_local
2, // opencl_constant
0, // opencl_private
4, // opencl_generic
5, // opencl_global_device
6, // opencl_global_host
0, // cuda_device
0, // cuda_constant
0, // cuda_shared
// SYCL address space values for this map are dummy
0, // sycl_global
0, // sycl_global_device
0, // sycl_global_host
0, // sycl_local
0, // sycl_private
0, // ptr32_sptr
0, // ptr32_uptr
0, // ptr64
3, // hlsl_groupshared
};
class LLVM_LIBRARY_VISIBILITY DirectXTargetInfo : public TargetInfo {
public:
DirectXTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
: TargetInfo(Triple) {
TLSSupported = false;
VLASupported = false;
LongWidth = LongAlign = 64;
AddrSpaceMap = &DirectXAddrSpaceMap;
UseAddrSpaceMapMangling = true;
HasLegalHalfType = true;
HasFloat16 = true;
NoAsmVariants = true;
PlatformMinVersion = Triple.getOSVersion();
PlatformName = llvm::Triple::getOSTypeName(Triple.getOS());
resetDataLayout("e-m:e-p:32:32-i1:32-i8:8-i16:16-i32:32-i64:64-f16:16-f32:"
"32-f64:64-n8:16:32:64");
TheCXXABI.set(TargetCXXABI::Microsoft);
}
bool useFP16ConversionIntrinsics() const override { return false; }
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
bool hasFeature(StringRef Feature) const override {
return Feature == "directx";
}
ArrayRef<Builtin::Info> getTargetBuiltins() const override {
return std::nullopt;
}
const char *getClobbers() const override { return ""; }
ArrayRef<const char *> getGCCRegNames() const override {
return std::nullopt;
}
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const override {
return true;
}
ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
return std::nullopt;
}
BuiltinVaListKind getBuiltinVaListKind() const override {
return TargetInfo::VoidPtrBuiltinVaList;
}
};
} // namespace targets
} // namespace clang
#endif // LLVM_CLANG_LIB_BASIC_TARGETS_DIRECTX_H
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