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// Copyright 2022 The Dawn & Tint Authors
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#ifndef SRC_TINT_LANG_CORE_IR_BINARY_H_
#define SRC_TINT_LANG_CORE_IR_BINARY_H_
#include <string>
#include "src/tint/lang/core/ir/operand_instruction.h"
#include "src/tint/utils/rtti/castable.h"
namespace tint::core::ir {
/// A binary operator.
enum class BinaryOp {
kAdd,
kSubtract,
kMultiply,
kDivide,
kModulo,
kAnd,
kOr,
kXor,
kEqual,
kNotEqual,
kLessThan,
kGreaterThan,
kLessThanEqual,
kGreaterThanEqual,
kShiftLeft,
kShiftRight
};
/// A binary instruction in the IR.
class Binary final : public Castable<Binary, OperandInstruction<2, 1>> {
public:
/// The offset in Operands() for the LHS
static constexpr size_t kLhsOperandOffset = 0;
/// The offset in Operands() for the RHS
static constexpr size_t kRhsOperandOffset = 1;
/// Constructor
/// @param result the result value
/// @param op the binary operator
/// @param lhs the lhs of the instruction
/// @param rhs the rhs of the instruction
Binary(InstructionResult* result, BinaryOp op, Value* lhs, Value* rhs);
~Binary() override;
/// @copydoc Instruction::Clone()
Binary* Clone(CloneContext& ctx) override;
/// @returns the binary operator
BinaryOp Op() { return op_; }
/// @returns the left-hand-side value for the instruction
Value* LHS() { return operands_[kLhsOperandOffset]; }
/// @returns the right-hand-side value for the instruction
Value* RHS() { return operands_[kRhsOperandOffset]; }
/// @returns the friendly name for the instruction
std::string FriendlyName() override { return "binary"; }
private:
BinaryOp op_;
};
/// @param kind the enum value
/// @returns the string for the given enum value
std::string_view ToString(BinaryOp kind);
/// Emits the name of the intrinsic type.
template <typename STREAM, typename = traits::EnableIfIsOStream<STREAM>>
auto& operator<<(STREAM& out, BinaryOp kind) {
return out << ToString(kind);
}
} // namespace tint::core::ir
#endif // SRC_TINT_LANG_CORE_IR_BINARY_H_