llvm/llvm/tools/llvm-exegesis/lib/SerialSnippetGenerator.cpp

//===-- SerialSnippetGenerator.cpp ------------------------------*- 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
//
//===----------------------------------------------------------------------===//

#include "SerialSnippetGenerator.h"

#include "CodeTemplate.h"
#include "MCInstrDescView.h"
#include "Target.h"
#include <algorithm>
#include <numeric>
#include <vector>

namespace llvm {
namespace exegesis {

struct ExecutionClass { … } static const kExecutionClasses[] = …;

static constexpr size_t kMaxAliasingInstructions = …;

static std::vector<const Instruction *>
computeAliasingInstructions(const LLVMState &State, const Instruction *Instr,
                            size_t MaxAliasingInstructions,
                            const BitVector &ForbiddenRegisters) { … }

static ExecutionMode getExecutionModes(const Instruction &Instr,
                                       const BitVector &ForbiddenRegisters) { … }

static void appendCodeTemplates(const LLVMState &State,
                                InstructionTemplate Variant,
                                const BitVector &ForbiddenRegisters,
                                ExecutionMode ExecutionModeBit,
                                StringRef ExecutionClassDescription,
                                std::vector<CodeTemplate> &CodeTemplates) { … }

SerialSnippetGenerator::~SerialSnippetGenerator() = default;

Expected<std::vector<CodeTemplate>>
SerialSnippetGenerator::generateCodeTemplates(
    InstructionTemplate Variant, const BitVector &ForbiddenRegisters) const { … }

} // namespace exegesis
} // namespace llvm