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// Copyright 2023 The Dawn & Tint Authors
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#ifndef SRC_TINT_LANG_CORE_IR_EXIT_LOOP_H_
#define SRC_TINT_LANG_CORE_IR_EXIT_LOOP_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 Loop;
} // namespace tint::core::ir
namespace tint::core::ir {
/// A exit loop instruction.
class ExitLoop final : public Castable<ExitLoop, Exit> {
public:
/// The base offset in Operands() for the args
static constexpr size_t kArgsOperandOffset = 0;
/// Constructor (no operands, no loop)
ExitLoop();
/// Constructor
/// @param loop the loop being exited
/// @param args the target MultiInBlock arguments
explicit ExitLoop(ir::Loop* loop, VectorRef<Value*> args = tint::Empty);
~ExitLoop() override;
/// @copydoc Instruction::Clone()
ExitLoop* Clone(CloneContext& ctx) 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();
/// @returns the loop being exited
const ir::Loop* Loop() const;
/// @returns the friendly name for the instruction
std::string FriendlyName() const override { return "exit_loop"; }
};
} // namespace tint::core::ir
#endif // SRC_TINT_LANG_CORE_IR_EXIT_LOOP_H_