| // Copyright 2023 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef SRC_TINT_LANG_CORE_IR_EXIT_SWITCH_H_ |
| #define SRC_TINT_LANG_CORE_IR_EXIT_SWITCH_H_ |
| |
| #include "src/tint/lang/core/ir/exit.h" |
| #include "src/tint/utils/rtti/castable.h" |
| |
| // Forward declarations |
| namespace tint::ir { |
| class Switch; |
| } // namespace tint::ir |
| |
| namespace tint::ir { |
| |
| /// A exit switch instruction. |
| class ExitSwitch : public Castable<ExitSwitch, Exit> { |
| public: |
| /// The base offset in Operands() for the args |
| static constexpr size_t kArgsOperandOffset = 0; |
| |
| /// Constructor |
| /// @param sw the switch being exited |
| /// @param args the target MultiInBlock arguments |
| explicit ExitSwitch(ir::Switch* sw, VectorRef<Value*> args = tint::Empty); |
| ~ExitSwitch() override; |
| |
| /// Re-associates the exit with the given switch instruction |
| /// @param s the new switch to exit from |
| void SetSwitch(ir::Switch* s); |
| |
| /// @returns the switch being exited |
| ir::Switch* Switch(); |
| |
| /// @returns the friendly name for the instruction |
| std::string_view FriendlyName() override { return "exit-switch"; } |
| }; |
| |
| } // namespace tint::ir |
| |
| #endif // SRC_TINT_LANG_CORE_IR_EXIT_SWITCH_H_ |