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// Copyright 2023 The Dawn & Tint Authors
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#ifndef SRC_TINT_LANG_CORE_IR_LOAD_H_
#define SRC_TINT_LANG_CORE_IR_LOAD_H_
#include <string>
#include "src/tint/lang/core/ir/operand_instruction.h"
#include "src/tint/utils/rtti/castable.h"
namespace tint::core::ir {
/// A load instruction in the IR.
class Load final : public Castable<Load, OperandInstruction<1, 1>> {
public:
/// The offset in Operands() for the from value
static constexpr size_t kFromOperandOffset = 0;
/// Constructor (no results, no operands)
Load();
/// Constructor (infers type)
/// @param result the result value
/// @param from the value being loaded from
Load(InstructionResult* result, Value* from);
~Load() override;
/// @copydoc Instruction::Clone()
Load* Clone(CloneContext& ctx) override;
/// @returns the value being loaded from
Value* From() { return operands_[kFromOperandOffset]; }
/// @returns the value being loaded from
const Value* From() const { return operands_[kFromOperandOffset]; }
/// @returns the friendly name for the instruction
std::string FriendlyName() const override { return "load"; }
};
} // namespace tint::core::ir
#endif // SRC_TINT_LANG_CORE_IR_LOAD_H_