| // Copyright 2022 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/lang/core/ir/loop.h" |
| |
| #include <utility> |
| |
| #include "src/tint/lang/core/ir/multi_in_block.h" |
| |
| TINT_INSTANTIATE_TYPEINFO(tint::ir::Loop); |
| |
| namespace tint::ir { |
| |
| Loop::Loop(ir::Block* i, ir::MultiInBlock* b, ir::MultiInBlock* c) |
| : initializer_(i), body_(b), continuing_(c) { |
| TINT_ASSERT(IR, initializer_); |
| TINT_ASSERT(IR, body_); |
| TINT_ASSERT(IR, continuing_); |
| |
| if (initializer_) { |
| initializer_->SetParent(this); |
| } |
| if (body_) { |
| body_->SetParent(this); |
| } |
| if (continuing_) { |
| continuing_->SetParent(this); |
| } |
| } |
| |
| Loop::~Loop() = default; |
| |
| void Loop::ForeachBlock(const std::function<void(ir::Block*)>& cb) { |
| if (initializer_) { |
| cb(initializer_); |
| } |
| if (body_) { |
| cb(body_); |
| } |
| if (continuing_) { |
| cb(continuing_); |
| } |
| } |
| |
| bool Loop::HasInitializer() { |
| return initializer_->HasTerminator(); |
| } |
| |
| } // namespace tint::ir |