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// Copyright 2023 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
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// 3. Neither the name of the copyright holder nor the names of its
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#ifndef SRC_TINT_LANG_CORE_IR_EXIT_H_
#define SRC_TINT_LANG_CORE_IR_EXIT_H_
#include "src/tint/lang/core/ir/terminator.h"
#include "src/tint/utils/containers/const_propagating_ptr.h"
// Forward declarations
namespace tint::core::ir {
class ControlInstruction;
} // namespace tint::core::ir
namespace tint::core::ir {
/// The base class for all exit terminators.
class Exit : public Castable<Exit, Terminator> {
public:
~Exit() override;
/// @copydoc Value::Destroy
void Destroy() override;
/// @return the control instruction that this exit is associated with
ir::ControlInstruction* ControlInstruction() { return ctrl_inst_; }
/// @return the control instruction that this exit is associated with
const ir::ControlInstruction* ControlInstruction() const { return ctrl_inst_; }
protected:
/// Sets control instruction that this exit is associated with
/// @param ctrl_inst the new ControlInstruction that this exit is associated with
void SetControlInstruction(ir::ControlInstruction* ctrl_inst);
private:
ConstPropagatingPtr<ir::ControlInstruction> ctrl_inst_;
};
} // namespace tint::core::ir
#endif // SRC_TINT_LANG_CORE_IR_EXIT_H_