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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_IR_EXIT_LOOP_H_
#define SRC_TINT_IR_EXIT_LOOP_H_
#include "src/tint/ir/exit.h"
#include "src/tint/utils/castable.h"
// Forward declarations
namespace tint::ir {
class Loop;
} // namespace tint::ir
namespace tint::ir {
/// A exit loop instruction.
class ExitLoop : public utils::Castable<ExitLoop, Exit> {
public:
/// The base offset in Operands() for the args
static constexpr size_t kArgsOperandOffset = 0;
/// Constructor
/// @param loop the loop being exited
/// @param args the target MultiInBlock arguments
explicit ExitLoop(ir::Loop* loop, utils::VectorRef<Value*> args = utils::Empty);
~ExitLoop() override;
/// Re-associates the exit with the given loop instruction
/// @param l the new loop to exit from
void SetLoop(ir::Loop* l);
/// @returns the loop being exited
ir::Loop* Loop();
};
} // namespace tint::ir
#endif // SRC_TINT_IR_EXIT_LOOP_H_