chromium/third_party/spirv-tools/src/source/val/basic_block.h

// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// 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 SOURCE_VAL_BASIC_BLOCK_H_
#define SOURCE_VAL_BASIC_BLOCK_H_

#include <bitset>
#include <cstdint>
#include <functional>
#include <memory>
#include <vector>

#include "source/latest_version_spirv_header.h"

namespace spvtools {
namespace val {

enum BlockType : uint32_t { … };

class Instruction;

// This class represents a basic block in a SPIR-V module
class BasicBlock { … };

/// @brief Returns true if the iterators point to the same element or if both
///        iterators point to the @p dom_end block
bool operator==(const BasicBlock::DominatorIterator& lhs,
                const BasicBlock::DominatorIterator& rhs);

/// @brief Returns true if the iterators point to different elements and they
///        do not both point to the @p dom_end block
bool operator!=(const BasicBlock::DominatorIterator& lhs,
                const BasicBlock::DominatorIterator& rhs);

}  // namespace val
}  // namespace spvtools

#endif  // SOURCE_VAL_BASIC_BLOCK_H_