| //===- Pass.cpp - Pass infrastructure implementation ----------------------===// |
| // |
| // Copyright 2019 The MLIR 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. |
| // ============================================================================= |
| // |
| // This file implements common pass infrastructure. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "mlir/Pass/Pass.h" |
| #include "mlir/IR/Module.h" |
| |
| using namespace mlir; |
| |
| /// Out of line virtual method to ensure vtables and metadata are emitted to a |
| /// single .o file. |
| void Pass::anchor() {} |
| |
| /// Out of line virtual method to ensure vtables and metadata are emitted to a |
| /// single .o file. |
| void ModulePass::anchor() {} |
| |
| /// Function passes walk a module and look at each function with their |
| /// corresponding hooks and terminates upon error encountered. |
| PassResult FunctionPass::runOnModule(Module *m) { |
| for (auto &fn : *m) { |
| // All function passes ignore external functions. |
| if (fn.empty()) |
| continue; |
| |
| if (runOnFunction(&fn)) |
| return failure(); |
| } |
| return success(); |
| } |