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// Copyright 2023 The Dawn & Tint Authors
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#ifndef SRC_TINT_LANG_CORE_IR_UNARY_H_
#define SRC_TINT_LANG_CORE_IR_UNARY_H_
#include <string>
#include "src/tint/lang/core/ir/operand_instruction.h"
#include "src/tint/utils/rtti/castable.h"
namespace tint::core::ir {
/// A unary operator.
enum class UnaryOp {
kComplement,
kNegation,
};
/// A unary instruction in the IR.
class Unary final : public Castable<Unary, OperandInstruction<1, 1>> {
public:
/// The offset in Operands() for the value
static constexpr size_t kValueOperandOffset = 0;
/// Constructor (no results, no operands)
Unary();
/// Constructor
/// @param result the result value
/// @param op the unary operator
/// @param val the input value for the instruction
Unary(InstructionResult* result, UnaryOp op, Value* val);
~Unary() override;
/// @copydoc Instruction::Clone()
Unary* Clone(CloneContext& ctx) override;
/// @returns the value for the instruction
Value* Val() { return operands_[kValueOperandOffset]; }
/// @returns the value for the instruction
const Value* Val() const { return operands_[kValueOperandOffset]; }
/// @returns the unary operator
UnaryOp Op() const { return op_; }
/// @param op the new unary operator
void SetOp(UnaryOp op) { op_ = op; }
/// @returns the friendly name for the instruction
std::string FriendlyName() const override { return "unary"; }
private:
UnaryOp op_ = UnaryOp::kComplement;
};
/// @param kind the enum value
/// @returns the string for the given enum value
std::string_view ToString(UnaryOp kind);
/// Emits the name of the intrinsic type.
template <typename STREAM, typename = traits::EnableIfIsOStream<STREAM>>
auto& operator<<(STREAM& out, UnaryOp kind) {
return out << ToString(kind);
}
} // namespace tint::core::ir
#endif // SRC_TINT_LANG_CORE_IR_UNARY_H_