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// Copyright 2023 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_LANG_CORE_IR_EXIT_IF_H_
#define SRC_TINT_LANG_CORE_IR_EXIT_IF_H_
#include <string>
#include "src/tint/lang/core/ir/exit.h"
#include "src/tint/utils/rtti/castable.h"
// Forward declarations
namespace tint::core::ir {
class If;
} // namespace tint::core::ir
namespace tint::core::ir {
/// A exit if instruction.
class ExitIf final : public Castable<ExitIf, Exit> {
public:
/// The base offset in Operands() for the args
static constexpr size_t kArgsOperandOffset = 0;
/// Constructor
/// @param i the if being exited
/// @param args the target MultiInBlock arguments
explicit ExitIf(ir::If* i, VectorRef<Value*> args = tint::Empty);
~ExitIf() override;
/// @copydoc Instruction::Clone()
ExitIf* Clone(CloneContext& ctx) override;
/// Re-associates the exit with the given if instruction
/// @param i the new If to exit from
void SetIf(ir::If* i);
/// @returns the if being exited
ir::If* If();
/// @returns the friendly name for the instruction
std::string FriendlyName() override { return "exit_if"; }
};
} // namespace tint::core::ir
#endif // SRC_TINT_LANG_CORE_IR_EXIT_IF_H_