| // 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. |
| |
| #include "src/tint/ir/transform/add_empty_entry_point.h" |
| |
| #include <utility> |
| |
| #include "src/tint/ir/builder.h" |
| #include "src/tint/ir/module.h" |
| |
| TINT_INSTANTIATE_TYPEINFO(tint::ir::transform::AddEmptyEntryPoint); |
| |
| namespace tint::ir::transform { |
| |
| AddEmptyEntryPoint::AddEmptyEntryPoint() = default; |
| |
| AddEmptyEntryPoint::~AddEmptyEntryPoint() = default; |
| |
| void AddEmptyEntryPoint::Run(ir::Module* ir, const DataMap&, DataMap&) const { |
| for (auto* func : ir->functions) { |
| if (func->Stage() != Function::PipelineStage::kUndefined) { |
| return; |
| } |
| } |
| |
| ir::Builder builder(*ir); |
| auto* ep = builder.CreateFunction(ir->symbols.New("unused_entry_point"), ir->types.void_(), |
| Function::PipelineStage::kCompute, std::array{1u, 1u, 1u}); |
| ep->StartTarget()->SetInstructions(utils::Vector{builder.Branch(ep->EndTarget())}); |
| ir->functions.Push(ep); |
| } |
| |
| } // namespace tint::ir::transform |