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// Copyright 2023 The Dawn & Tint Authors
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#ifndef SRC_TINT_LANG_CORE_IR_CONTINUE_H_
#define SRC_TINT_LANG_CORE_IR_CONTINUE_H_
#include <string>
#include "src/tint/lang/core/ir/terminator.h"
#include "src/tint/utils/containers/const_propagating_ptr.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 continue instruction.
class Continue final : public Castable<Continue, Terminator> {
public:
/// The base offset in Operands() for the args
static constexpr size_t kArgsOperandOffset = 0;
/// Constructor (no operands, no loop)
Continue();
/// Constructor
/// @param loop the loop owning the continue block
/// @param args the arguments for the MultiInBlock
explicit Continue(ir::Loop* loop, VectorRef<Value*> args = tint::Empty);
~Continue() override;
/// @copydoc Instruction::Clone()
Continue* Clone(CloneContext& ctx) override;
/// @returns the loop owning the continue block
ir::Loop* Loop() { return loop_; }
/// @returns the loop owning the continue block
const ir::Loop* Loop() const { return loop_; }
/// @param loop the new loop owning the continue block
void SetLoop(ir::Loop* loop);
/// @returns the friendly name for the instruction
std::string FriendlyName() const override { return "continue"; }
private:
ConstPropagatingPtr<ir::Loop> loop_;
};
} // namespace tint::core::ir
#endif // SRC_TINT_LANG_CORE_IR_CONTINUE_H_