mirror of https://github.com/llvm/torch-mlir
82 lines
3.1 KiB
C++
82 lines
3.1 KiB
C++
//===- MlirIr.cpp - MLIR IR Bindings --------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "MlirPass.h"
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#include "MlirInit.h"
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#include "NpcompModule.h"
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#include "mlir/Pass/PassRegistry.h"
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namespace mlir {
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//===----------------------------------------------------------------------===//
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// Module initialization
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//===----------------------------------------------------------------------===//
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void defineMlirPassModule(py::module m) {
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m.doc() = "Python bindings for mlir pass infra";
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PyPassManager::bind(m);
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}
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//===----------------------------------------------------------------------===//
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// PassManager
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//===----------------------------------------------------------------------===//
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void PyPassManager::bind(py::module m) {
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py::class_<PyPassManager>(m, "PassManager")
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.def(py::init<std::shared_ptr<PyContext>, bool>(), py::arg("context"),
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py::arg("verifyModules") = true)
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.def("enableCrashReproducerGeneration",
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[](PyPassManager &self, std::string outputFile,
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bool genLocalReproducer) {
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self.passManager.enableCrashReproducerGeneration(
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outputFile, genLocalReproducer);
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},
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py::arg("outputFile"), py::arg("genLocalReproducer") = false)
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.def("__len__",
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[](PyPassManager &self) { return self.passManager.size(); })
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.def("__str__",
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[](PyPassManager &self) {
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std::string spec;
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llvm::raw_string_ostream stream(spec);
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self.passManager.printAsTextualPipeline(stream);
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return spec;
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})
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.def("run",
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[](PyPassManager &self, PyModuleOp &module) {
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if (module.context.get() != self.context.get()) {
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throw py::raiseValueError(
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"Expected a module with the same context "
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"as the PassManager");
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}
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if (failed(self.passManager.run(module.moduleOp))) {
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// TODO: Wrap propagate context diagnostics
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throw py::raisePyError(PyExc_RuntimeError,
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"Could not run passes");
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}
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})
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.def("addPassPipelines", [](PyPassManager &self, py::args passPipelines) {
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std::string error;
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llvm::raw_string_ostream error_stream(error);
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for (auto pyPassPipeline : passPipelines) {
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auto passPipeline = pyPassPipeline.cast<std::string>();
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if (failed(mlir::parsePassPipeline(passPipeline, self.passManager,
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error_stream))) {
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std::string message = "failed to parse pass pipeline '";
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message.append(passPipeline);
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message.append("': ");
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message.append(error);
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throw py::raiseValueError(message);
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}
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}
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});
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}
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} // namespace mlir
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