| //===- SPIRVBinaryUtils.cpp - SPIR-V Binary Module Utils --------*- 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 common utilities for SPIR-V binary module. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef MLIR_TARGET_SPIRV_BINARY_UTILS_H_ |
| #define MLIR_TARGET_SPIRV_BINARY_UTILS_H_ |
| |
| #include "mlir/Dialect/SPIRV/IR/SPIRVOps.h" |
| #include "mlir/Support/LogicalResult.h" |
| |
| #include <cstdint> |
| |
| namespace mlir { |
| namespace spirv { |
| |
| /// SPIR-V binary header word count |
| constexpr unsigned kHeaderWordCount = 5; |
| |
| /// SPIR-V magic number |
| constexpr uint32_t kMagicNumber = 0x07230203; |
| |
| /// The serializer tool ID registered to the Khronos Group |
| constexpr uint32_t kGeneratorNumber = 22; |
| |
| /// Appends a SPRI-V module header to `header` with the given `version` and |
| /// `idBound`. |
| void appendModuleHeader(SmallVectorImpl<uint32_t> &header, |
| spirv::Version version, uint32_t idBound); |
| |
| /// Returns the word-count-prefixed opcode for an SPIR-V instruction. |
| uint32_t getPrefixedOpcode(uint32_t wordCount, spirv::Opcode opcode); |
| |
| /// Encodes an SPIR-V `literal` string into the given `binary` vector. |
| LogicalResult encodeStringLiteralInto(SmallVectorImpl<uint32_t> &binary, |
| StringRef literal); |
| } // end namespace spirv |
| } // end namespace mlir |
| |
| #endif // MLIR_TARGET_SPIRV_BINARY_UTILS_H_ |
