| //===-- SPIRVBuiltins.h - SPIR-V Built-in Functions -------------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Lowering builtin function calls and types using their demangled names. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_SPIRV_SPIRVBUILTINS_H |
| #define LLVM_LIB_TARGET_SPIRV_SPIRVBUILTINS_H |
| |
| #include "SPIRVGlobalRegistry.h" |
| #include "llvm/CodeGen/GlobalISel/CallLowering.h" |
| #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h" |
| |
| namespace llvm { |
| namespace SPIRV { |
| /// Lowers a builtin funtion call using the provided \p DemangledCall skeleton |
| /// and external instruction \p Set. |
| /// |
| /// \return the lowering success status if the called function is a recognized |
| /// builtin, std::nullopt otherwise. |
| /// |
| /// \p DemangledCall is the skeleton of the lowered builtin function call. |
| /// \p Set is the external instruction set containing the given builtin. |
| /// \p OrigRet is the single original virtual return register if defined, |
| /// Register(0) otherwise. |
| /// \p OrigRetTy is the type of the \p OrigRet. |
| /// \p Args are the arguments of the lowered builtin call. |
| std::optional<bool> lowerBuiltin(const StringRef DemangledCall, |
| InstructionSet::InstructionSet Set, |
| MachineIRBuilder &MIRBuilder, |
| const Register OrigRet, const Type *OrigRetTy, |
| const SmallVectorImpl<Register> &Args, |
| SPIRVGlobalRegistry *GR); |
| /// Handles the translation of the provided special opaque/builtin type \p Type |
| /// to SPIR-V type. Generates the corresponding machine instructions for the |
| /// target type or gets the already existing OpType<...> register from the |
| /// global registry \p GR. |
| /// |
| /// \return A machine instruction representing the OpType<...> SPIR-V type. |
| /// |
| /// \p Type is the special opaque/builtin type to be lowered. |
| SPIRVType *lowerBuiltinType(const StructType *Type, |
| AccessQualifier::AccessQualifier AccessQual, |
| MachineIRBuilder &MIRBuilder, |
| SPIRVGlobalRegistry *GR); |
| } // namespace SPIRV |
| } // namespace llvm |
| #endif // LLVM_LIB_TARGET_SPIRV_SPIRVBUILTINS_H |