================ @@ -0,0 +1,60 @@ +//===- DirectX.cpp +//-----------------------------------------------------------===// +// +// 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 +// +//===----------------------------------------------------------------------===// + +#include "ABIInfoImpl.h" +#include "TargetInfo.h" +#include "llvm/ADT/ArrayRef.h" +#include "llvm/IR/DerivedTypes.h" +#include "llvm/Support/ErrorHandling.h" + +using namespace clang; +using namespace clang::CodeGen; + +//===----------------------------------------------------------------------===// +// Target codegen info implementation for DirectX. +//===----------------------------------------------------------------------===// + +namespace { + +class DirectXTargetCodeGenInfo : public TargetCodeGenInfo { +public: + DirectXTargetCodeGenInfo(CodeGen::CodeGenTypes &CGT) + : TargetCodeGenInfo(std::make_unique<DefaultABIInfo>(CGT)) {} + + llvm::Type *getHLSLType(CodeGenModule &CGM, const Type *T) const override; +}; + +llvm::Type *DirectXTargetCodeGenInfo::getHLSLType(CodeGenModule &CGM, + const Type *Ty) const { + llvm::LLVMContext &Ctx = CGM.getLLVMContext(); + if (auto *BuiltinTy = dyn_cast<BuiltinType>(Ty)) { + switch (BuiltinTy->getKind()) { + case BuiltinType::HLSLResource: { + // FIXME: translate __hlsl_resource_t to target("dx.TypedBuffer", i32, 1, + // 0, 1) only for now (RWBuffer<int>); more work us needed to determine + // the target ext type and its parameters based on the handle type + // attributes (not yet implemented) + llvm::IntegerType *ElemType = llvm::IntegerType::getInt32Ty(Ctx); + ArrayRef<unsigned> Flags = {/*IsWriteable*/ 1, /*IsROV*/ 0, + /*IsSigned*/ 1}; + return llvm::TargetExtType::get(Ctx, "dx.TypedBuffer", {ElemType}, Flags); ---------------- python3kgae wrote:
We'll need IsGloballyCoherent for the Flags. https://github.com/llvm/llvm-project/pull/104856 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
