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//===- MainModule.cpp - Main pybind module --------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <tuple>
#include "PybindUtils.h"
#include "Globals.h"
#include "IRModule.h"
#include "Pass.h"
namespace py = pybind11;
using namespace mlir;
using namespace mlir::python;
// -----------------------------------------------------------------------------
// Module initialization.
// -----------------------------------------------------------------------------
PYBIND11_MODULE(_mlir, m) {
m.doc() = "MLIR Python Native Extension";
py::class_<PyGlobals>(m, "_Globals", py::module_local())
.def_property("dialect_search_modules",
&PyGlobals::getDialectSearchPrefixes,
&PyGlobals::setDialectSearchPrefixes)
.def(
"append_dialect_search_prefix",
[](PyGlobals &self, std::string moduleName) {
self.getDialectSearchPrefixes().push_back(std::move(moduleName));
self.clearImportCache();
},
py::arg("module_name"))
.def("_register_dialect_impl", &PyGlobals::registerDialectImpl,
py::arg("dialect_namespace"), py::arg("dialect_class"),
"Testing hook for directly registering a dialect")
.def("_register_operation_impl", &PyGlobals::registerOperationImpl,
py::arg("operation_name"), py::arg("operation_class"),
py::arg("raw_opview_class"),
"Testing hook for directly registering an operation");
// Aside from making the globals accessible to python, having python manage
// it is necessary to make sure it is destroyed (and releases its python
// resources) properly.
m.attr("globals") =
py::cast(new PyGlobals, py::return_value_policy::take_ownership);
// Registration decorators.
m.def(
"register_dialect",
[](py::object pyClass) {
std::string dialectNamespace =
pyClass.attr("DIALECT_NAMESPACE").cast<std::string>();
PyGlobals::get().registerDialectImpl(dialectNamespace, pyClass);
return pyClass;
},
py::arg("dialect_class"),
"Class decorator for registering a custom Dialect wrapper");
m.def(
"register_operation",
[](py::object dialectClass) -> py::cpp_function {
return py::cpp_function(
[dialectClass](py::object opClass) -> py::object {
std::string operationName =
opClass.attr("OPERATION_NAME").cast<std::string>();
auto rawSubclass = PyOpView::createRawSubclass(opClass);
PyGlobals::get().registerOperationImpl(operationName, opClass,
rawSubclass);
// Dict-stuff the new opClass by name onto the dialect class.
py::object opClassName = opClass.attr("__name__");
dialectClass.attr(opClassName) = opClass;
// Now create a special "Raw" subclass that passes through
// construction to the OpView parent (bypasses the intermediate
// child's __init__).
opClass.attr("_Raw") = rawSubclass;
return opClass;
});
},
py::arg("dialect_class"),
"Produce a class decorator for registering an Operation class as part of "
"a dialect");
// Define and populate IR submodule.
auto irModule = m.def_submodule("ir", "MLIR IR Bindings");
populateIRCore(irModule);
populateIRAffine(irModule);
populateIRAttributes(irModule);
populateIRInterfaces(irModule);
populateIRTypes(irModule);
// Define and populate PassManager submodule.
auto passModule =
m.def_submodule("passmanager", "MLIR Pass Management Bindings");
populatePassManagerSubmodule(passModule);
}
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