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// Copyright 2022 The Tint Authors.
//
// 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 SRC_TINT_IR_BINARY_H_
#define SRC_TINT_IR_BINARY_H_
#include "src/tint/castable.h"
#include "src/tint/ir/instruction.h"
#include "src/tint/symbol_table.h"
#include "src/tint/type/type.h"
#include "src/tint/utils/string_stream.h"
namespace tint::ir {
/// An instruction in the IR.
class Binary : public Castable<Binary, Instruction> {
public:
/// The kind of instruction.
enum class Kind {
kAdd,
kSubtract,
kMultiply,
kDivide,
kModulo,
kAnd,
kOr,
kXor,
kLogicalAnd,
kLogicalOr,
kEqual,
kNotEqual,
kLessThan,
kGreaterThan,
kLessThanEqual,
kGreaterThanEqual,
kShiftLeft,
kShiftRight
};
/// Constructor
/// @param kind the kind of binary instruction
/// @param result the result value
/// @param lhs the lhs of the instruction
/// @param rhs the rhs of the instruction
Binary(Kind kind, Value* result, Value* lhs, Value* rhs);
Binary(const Binary& instr) = delete;
Binary(Binary&& instr) = delete;
~Binary() override;
Binary& operator=(const Binary& instr) = delete;
Binary& operator=(Binary&& instr) = delete;
/// @returns the kind of instruction
Kind GetKind() const { return kind_; }
/// @returns the left-hand-side value for the instruction
const Value* LHS() const { return lhs_; }
/// @returns the right-hand-side value for the instruction
const Value* RHS() const { return rhs_; }
/// Write the instruction to the given stream
/// @param out the stream to write to
/// @param st the symbol table
/// @returns the stream
utils::StringStream& ToString(utils::StringStream& out, const SymbolTable& st) const override;
private:
Kind kind_;
Value* lhs_ = nullptr;
Value* rhs_ = nullptr;
};
} // namespace tint::ir
#endif // SRC_TINT_IR_BINARY_H_