llvm/mlir/lib/Target/SPIRV/Deserialization/DeserializeOps.cpp

//===- DeserializeOps.cpp - MLIR SPIR-V Deserialization (Ops) -------------===//
//
// 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 defines the Deserializer methods for SPIR-V binary instructions.
//
//===----------------------------------------------------------------------===//

#include "Deserializer.h"

#include "mlir/Dialect/SPIRV/IR/SPIRVEnums.h"
#include "mlir/Dialect/SPIRV/IR/SPIRVOps.h"
#include "mlir/IR/Builders.h"
#include "mlir/IR/Location.h"
#include "mlir/Target/SPIRV/SPIRVBinaryUtils.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/Debug.h"
#include <optional>

usingnamespacemlir;

#define DEBUG_TYPE …

//===----------------------------------------------------------------------===//
// Utility Functions
//===----------------------------------------------------------------------===//

/// Extracts the opcode from the given first word of a SPIR-V instruction.
static inline spirv::Opcode extractOpcode(uint32_t word) { … }

//===----------------------------------------------------------------------===//
// Instruction
//===----------------------------------------------------------------------===//

Value spirv::Deserializer::getValue(uint32_t id) { … }

LogicalResult spirv::Deserializer::sliceInstruction(
    spirv::Opcode &opcode, ArrayRef<uint32_t> &operands,
    std::optional<spirv::Opcode> expectedOpcode) { … }

LogicalResult spirv::Deserializer::processInstruction(
    spirv::Opcode opcode, ArrayRef<uint32_t> operands, bool deferInstructions) { … }

LogicalResult spirv::Deserializer::processOpWithoutGrammarAttr(
    ArrayRef<uint32_t> words, StringRef opName, bool hasResult,
    unsigned numOperands) { … }

LogicalResult spirv::Deserializer::processUndef(ArrayRef<uint32_t> operands) { … }

LogicalResult spirv::Deserializer::processExtInst(ArrayRef<uint32_t> operands) { … }

namespace mlir {
namespace spirv {

template <>
LogicalResult
Deserializer::processOp<spirv::EntryPointOp>(ArrayRef<uint32_t> words) { … }

template <>
LogicalResult
Deserializer::processOp<spirv::ExecutionModeOp>(ArrayRef<uint32_t> words) { … }

template <>
LogicalResult
Deserializer::processOp<spirv::FunctionCallOp>(ArrayRef<uint32_t> operands) { … }

template <>
LogicalResult
Deserializer::processOp<spirv::CopyMemoryOp>(ArrayRef<uint32_t> words) { … }

template <>
LogicalResult Deserializer::processOp<spirv::GenericCastToPtrExplicitOp>(
    ArrayRef<uint32_t> words) { … }

// Pull in auto-generated Deserializer::dispatchToAutogenDeserialization() and
// various Deserializer::processOp<...>() specializations.
#define GET_DESERIALIZATION_FNS
#include "mlir/Dialect/SPIRV/IR/SPIRVSerialization.inc"

} // namespace spirv
} // namespace mlir