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#ifndef SRC_TINT_LANG_CORE_IR_CONSTEXPR_IF_H_
#define SRC_TINT_LANG_CORE_IR_CONSTEXPR_IF_H_

#include <string>

#include "src/tint/lang/core/ir/if.h"

namespace tint::core::ir {

/// A `constexpr-if` is an `if` instruction which will always be evaluated during
/// const-eval processing. The `condition` must be a `const` or `override`
/// expression.
class ConstExprIf final : public Castable<ConstExprIf, If> {
  public:
    /// Constructor (no results, no operands, no blocks)
    /// @param id the instruction id
    explicit ConstExprIf(Id id);

    /// Constructor
    /// @param cond the if condition
    /// @param t the true block
    /// @param f the false block
    ConstExprIf(Id id, Value* cond, ir::Block* t, ir::Block* f);

    /// @copydoc Instruction::Clone()
    ConstExprIf* Clone(CloneContext& ctx) override;

    /// @returns the friendly name for the instruction
    std::string FriendlyName() const override { return "constexpr_if"; }
};

}  // namespace tint::core::ir

#endif  // SRC_TINT_LANG_CORE_IR_CONSTEXPR_IF_H_
