/*******************************************************************************
* Copyright 2019 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/


#ifndef GEMMSTONE_GENERATOR_PIECES_TOKEN_ALLOC_UTILS_HPP
#define GEMMSTONE_GENERATOR_PIECES_TOKEN_ALLOC_UTILS_HPP

#include "internal/ngen_includes.hpp"
#include "gemmstone/strategy.hpp"
#include "state.hpp"

GEMMSTONE_NAMESPACE_START

// Allocate tokens for a layout keyed to the given source/destination registers.
bool allocateTokens(const RegisterLayout &layout, const GRFMultirange &regs, CommonState &state,
                    const std::vector<ngen::GRFRange> &addrs = std::vector<ngen::GRFRange>());

// Clear token allocations that are mapped to specific registers.
void clearMappedTokenAllocations(ngen::HW hw, CommonState &state);

// Clear all token allocations.
void clearTokenAllocations(ngen::HW hw, CommonState &state);

GEMMSTONE_NAMESPACE_END

#endif /* header guard */
