/*******************************************************************************
 *
 * MIT License
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 * Copyright (c) 2021 Advanced Micro Devices, Inc.
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 * of this software and associated documentation files (the "Software"), to deal
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 * copies or substantial portions of the Software.
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#include <miopen/mlir_build.hpp>
#include <miopen/conv/invokers/mlir_impl_gemm.hpp>
#include <miopen/conv/wrw_invoke_params.hpp>
#include <miopen/config.h>
#include <miopen/env.hpp>
#include <miopen/generic_search.hpp>
#include <miopen/solver.hpp>
#include <miopen/solver/implicitgemm_util.hpp>
#include <miopen/solver/mlir_common.hpp>

MIOPEN_DECLARE_ENV_VAR_BOOL(MIOPEN_DEBUG_CONV_MLIR_IGEMM_WRW)

namespace miopen {
namespace solver {
namespace conv {

using ProblemDescription = miopen::conv::ProblemDescription;

bool ConvMlirIgemmWrW::IsApplicable(const ExecutionContext& ctx,
                                    const ProblemDescription& problem) const
{
#if MIOPEN_USE_MLIR
    if(miopen::IsDisabled(ENV(MIOPEN_DEBUG_CONV_MLIR_IGEMM_WRW)))
        return false;
    if(problem.GetConv().attribute.deterministic)
        return false;
    if(!problem.IsDirectionBackwardWrW())
        return false;
    if(!IsComposableKernelSupportedHardware(ctx))
        return false;
    if(problem.HasNonPackedTensors())
        return false;
    if(problem.HasAtLeastOne64BitTensor())
        return false;
    if(problem.IsTensorsCasted() || problem.IsFp8() || problem.IsBfp8())
        return false;
    // Note: ConvMlirIgemmWrW can run on a machine with xdlops support, however, it is
    // guaranteed to be slower than its xdlops alternative, therefore disabling it to
    // save compilation overhead
    if(IsXdlopsSupport(ctx))
        return false;
    // Refer to https://github.com/ROCm/llvm-project-private/issues/389
    const auto device_name = ctx.GetStream().GetDeviceName();
    if(StartsWith(device_name, "gfx900"))
        return false;

    return MiirIsConfigApplicable(mlir::ConstructBuildOptions(ctx, problem, false));
#else
    std::ignore = ctx;
    std::ignore = problem;
    return false;
#endif
}

PerformanceConvMlirIgemm
ConvMlirIgemmWrW::GetDefaultPerformanceConfig(const ExecutionContext&,
                                              const ProblemDescription&) const
{
    return PerformanceConvMlirIgemm::MlirHeuristicInitRequest();
}

bool ConvMlirIgemmWrW::IsValidPerformanceConfig(const ExecutionContext& ctx,
                                                const ProblemDescription& problem,
                                                const PerformanceConvMlirIgemm& config) const
{
    MIOPEN_LOG_I("");
    return config.IsValid(ctx, problem);
}

PerformanceConvMlirIgemm ConvMlirIgemmWrW::Search(const ExecutionContext& ctx,
                                                  const ProblemDescription& problem,
                                                  const AnyInvokeParams& invoke_ctx) const
{
    return GenericSearch(*this, ctx, problem, invoke_ctx);
}

ConvSolution ConvMlirIgemmWrW::GetSolution(const ExecutionContext& ctx,
                                           const ProblemDescription& problem,
                                           const PerformanceConvMlirIgemm& config) const
{
#if MIOPEN_USE_MLIR
    ConvSolution result;
    KernelInfo construction_parameters;

    construction_parameters.kernel_name  = mlir::GetKernelName(problem, false);
    construction_parameters.kernel_file  = construction_parameters.kernel_name + ".mlir";
    construction_parameters.comp_options = mlir::ConstructBuildOptions(ctx, problem, config, false);

    size_t local_size  = 0;
    size_t global_size = 0;
    MiirGenLaunchParams(construction_parameters.comp_options, local_size, global_size);

    construction_parameters.l_wk.push_back(local_size);
    construction_parameters.l_wk.push_back(1);
    construction_parameters.l_wk.push_back(1);

    construction_parameters.g_wk.push_back(global_size);
    construction_parameters.g_wk.push_back(1);
    construction_parameters.g_wk.push_back(1);

    result.invoker_factory = miopen::conv::MakeMlirWrWInvokerFactory(problem, 0);
    result.construction_params.push_back(construction_parameters);
    return result;
#else
    std::ignore = ctx;
    std::ignore = problem;
    std::ignore = config;
    return {};
#endif
}

} // namespace conv
} // namespace solver
} // namespace miopen
