| // Copyright 2023 The Dawn & Tint Authors |
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| |
| #ifndef SRC_TINT_LANG_CORE_IR_LOAD_VECTOR_ELEMENT_H_ |
| #define SRC_TINT_LANG_CORE_IR_LOAD_VECTOR_ELEMENT_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 for a single vector element in the IR. |
| class LoadVectorElement final : public Castable<LoadVectorElement, OperandInstruction<3, 0>> { |
| public: |
| /// The offset in Operands() for the `from` value |
| static constexpr size_t kFromOperandOffset = 0; |
| |
| /// The offset in Operands() for the `index` value |
| static constexpr size_t kIndexOperandOffset = 1; |
| |
| /// Constructor (no results, no operands) |
| LoadVectorElement(); |
| |
| /// Constructor |
| /// @param result the result value |
| /// @param from the vector pointer |
| /// @param index the new vector element index |
| LoadVectorElement(InstructionResult* result, ir::Value* from, ir::Value* index); |
| ~LoadVectorElement() override; |
| |
| /// @copydoc Instruction::Clone() |
| LoadVectorElement* Clone(CloneContext& ctx) override; |
| |
| /// @returns the vector pointer value |
| ir::Value* From() { return Operand(kFromOperandOffset); } |
| |
| /// @returns the vector pointer value |
| const ir::Value* From() const { return Operand(kFromOperandOffset); } |
| |
| /// @returns the new vector element index |
| ir::Value* Index() { return Operand(kIndexOperandOffset); } |
| |
| /// @returns the new vector element index |
| const ir::Value* Index() const { return Operand(kIndexOperandOffset); } |
| |
| /// @returns the friendly name for the instruction |
| std::string FriendlyName() const override { return "load_vector_element"; } |
| }; |
| |
| } // namespace tint::core::ir |
| |
| #endif // SRC_TINT_LANG_CORE_IR_LOAD_VECTOR_ELEMENT_H_ |