| // 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_IR_USER_CALL_H_ |
| #define SRC_TINT_IR_USER_CALL_H_ |
| |
| #include "src/tint/ir/call.h" |
| #include "src/tint/ir/function.h" |
| #include "src/tint/utils/castable.h" |
| |
| namespace tint::ir { |
| |
| /// A user call instruction in the IR. |
| class UserCall : public utils::Castable<UserCall, Call> { |
| public: |
| /// The offset in Operands() for the function being called |
| static constexpr size_t kFunctionOperandOffset = 0; |
| |
| /// The base offset in Operands() for the call arguments |
| static constexpr size_t kArgsOperandOffset = 1; |
| |
| /// Constructor |
| /// @param result the result value |
| /// @param func the function being called |
| /// @param args the function arguments |
| UserCall(InstructionResult* result, Function* func, utils::VectorRef<Value*> args); |
| ~UserCall() override; |
| |
| /// @returns the call arguments |
| utils::Slice<Value* const> Args() override { |
| return operands_.Slice().Offset(kArgsOperandOffset); |
| } |
| |
| /// @returns the called function name |
| Function* Func() { return operands_[kFunctionOperandOffset]->As<ir::Function>(); } |
| }; |
| |
| } // namespace tint::ir |
| |
| #endif // SRC_TINT_IR_USER_CALL_H_ |