Start defining new IR bindings and cleanup python init.

python/npcomp/CMakeLists.txt

@@ -27,9 +27,9 @@ set(extension_target NPCOMPNativePyExt)
 set(extension_pybind_sources
   native.cpp
   mlir_edsc.cpp
-)
-set(extension_llvm_sources
   mlir_init.cpp
+  mlir_ir.cpp
+  pybind_utils.cpp
 )
 set_source_files_properties(
   ${extension_pybind_sources}
@@ -37,7 +37,6 @@ set_source_files_properties(
     "-frtti -fexceptions")
 add_library(${extension_target} ${NPCOMP_PYEXT_LINK_MODE} 
   ${extension_pybind_sources}
-  ${extension_llvm_sources}
 )
 
 set_target_properties(${extension_target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY
@@ -60,7 +59,7 @@ set_target_properties(${extension_target} PROPERTIES LINK_FLAGS
 get_property(dialect_libs GLOBAL PROPERTY MLIR_DIALECT_LIBS)
 get_property(conversion_libs GLOBAL PROPERTY MLIR_CONVERSION_LIBS)
 
-llvm_update_compile_flags(${extension_target})
+# llvm_update_compile_flags(${extension_target})
 target_link_libraries(${extension_target} 
   PRIVATE
     ${dialect_libs}

python/npcomp/mlir_edsc.cpp

@@ -62,12 +62,6 @@ struct CustomValueBuilder {
   Value value;
 };
 
-} // namespace edsc
-} // namespace mlir
-
-namespace npcomp {
-namespace python {
-
 struct PythonAttribute;
 struct PythonAttributedType;
 struct PythonBindable;
@@ -1178,5 +1172,5 @@ void defineMlirEdscModule(py::module m) {
       .def("__str__", &PythonAffineMap::str);
 }
 
-}  // namespace python
+} // namespace edsc
-}  // namespace npcomp
+} // namespace mlir

python/npcomp/mlir_init.cpp

@@ -6,14 +6,41 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "mlir/IR/Dialect.h"
 #include "mlir/InitAllDialects.h"
+#include "mlir/Pass/PassManager.h"
+#include "npcomp/Dialect/Numpy/NumpyDialect.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
 
+namespace mlir {
 namespace npcomp {
 namespace python {
 
-void npcompMlirInitialize() {
+bool npcompMlirInitialize() {
+  // Enable LLVM's signal handler to get nice stack traces.
+  llvm::sys::SetOneShotPipeSignalFunction(
+      llvm::sys::DefaultOneShotPipeSignalHandler);
+  llvm::sys::PrintStackTraceOnErrorSignal("npcomp");
+
+  // Register any pass manager command line options.
+  mlir::registerPassManagerCLOptions();
+  mlir::registerMLIRContextCLOptions();
+
+  std::string program_name = "npcomp";
+  std::vector<const char *> default_options = {program_name.c_str(), nullptr};
+  llvm::cl::ParseCommandLineOptions(1, default_options.data());
+
+  // Global registration.
   ::mlir::registerAllDialects();
+
+  // Local registration.
+  registerDialect<NPCOMP::Numpy::NumpyDialect>();
+
+  return true;
 }
 
 } // namespace python
-} // namesapce npcomp
+} // namespace npcomp
+} // namespace mlir

python/npcomp/mlir_ir.cpp

@@ -0,0 +1,21 @@
+//===- mlir_if.cpp - MLIR IR Bindings -------------------------------------===//
+//
+// 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 <pybind11/pybind11.h>
+#include <pybind11/pytypes.h>
+#include <pybind11/stl.h>
+
+namespace py = pybind11;
+
+namespace mlir {
+
+void defineMlirIrModule(py::module m) {
+  m.doc() = "Python bindings for constructs in the mlir/IR library";
+}
+
+} // namespace mlir

python/npcomp/native.cpp

@@ -9,27 +9,70 @@
 #include <cstddef>
 #include <unordered_map>
 
-#include <pybind11/pybind11.h>
+#include "pybind_utils.h"
-#include <pybind11/pytypes.h>
-#include <pybind11/stl.h>
 
-namespace py = pybind11;
+#include "llvm/Support/CommandLine.h"
+
+namespace mlir {
+void defineMlirIrModule(py::module m);
+namespace edsc {
+void defineMlirEdscModule(py::module m);
+} // namespace edsc
 
 namespace npcomp {
 namespace python {
 
 // Externs
-void npcompMlirInitialize();
+bool npcompMlirInitialize();
-void defineMlirEdscModule(py::module m);
+
+void defineLLVMModule(pybind11::module m) {
+  m.def("print_help_message", []() { llvm::cl::PrintHelpMessage(); });
+  m.def("add_option",
+        [](std::string name, llvm::Optional<std::string> value) {
+          auto options_map = llvm::cl::getRegisteredOptions();
+          auto found_it = options_map.find(name);
+          if (found_it == options_map.end()) {
+            std::string message = "Unknown LLVM option: ";
+            message.append(name);
+            throw raiseValueError(message.c_str());
+          }
+
+          std::string value_sr = value ? *value : "";
+          found_it->getValue()->addOccurrence(1, name, value_sr);
+        },
+        py::arg("name"), py::arg("value") = llvm::Optional<std::string>());
+  m.def("reset_option",
+        [](std::string name) {
+          auto options_map = llvm::cl::getRegisteredOptions();
+          auto found_it = options_map.find(name);
+          if (found_it == options_map.end()) {
+            std::string message = "Unknown LLVM option: ";
+            message.append(name);
+            throw raiseValueError(message.c_str());
+          }
+          found_it->getValue()->setDefault();
+        },
+        py::arg("name"));
+}
 
 PYBIND11_MODULE(native, m) {
-  npcompMlirInitialize();
+  // Guard the once init to happen once per process (vs module, which in
+  // mondo builds can happen multiple times).
+  static bool llvm_init_baton = ([]() { return npcompMlirInitialize(); })();
+  (void)(llvm_init_baton);
+
   m.doc() = "Npcomp native python bindings";
 
+  auto llvm_m = m.def_submodule("llvm", "LLVM interop");
+  defineLLVMModule(llvm_m);
+
   auto mlir_m = m.def_submodule("mlir", "MLIR interop");
   auto mlir_edsc_m = mlir_m.def_submodule("edsc");
-  defineMlirEdscModule(mlir_edsc_m);
+  edsc::defineMlirEdscModule(mlir_edsc_m);
+  auto mlir_ir_m = mlir_m.def_submodule("ir");
+  defineMlirIrModule(mlir_ir_m);
 }
 
 } // namespace python
 } // namespace npcomp
+} // namespace mlir

python/npcomp/pybind_utils.cpp

@@ -0,0 +1,23 @@
+//===- pybind_utils.cpp - Utilities for interop with python ---------------===//
+//
+// 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 "pybind_utils.h"
+
+namespace mlir {
+namespace npcomp {
+namespace python {
+
+pybind11::error_already_set raisePyError(PyObject *exc_class,
+                                         const char *message) {
+  PyErr_SetString(exc_class, message);
+  return pybind11::error_already_set();
+}
+
+} // namespace python
+} // namespace npcomp
+} // namespace mlir

python/npcomp/pybind_utils.h

@@ -0,0 +1,54 @@
+//===- pybind_utils.h - Utilities for interop with python -----------------===//
+//
+// 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 <string>
+
+#include <pybind11/pybind11.h>
+#include <pybind11/pytypes.h>
+#include <pybind11/stl.h>
+
+#include "llvm/ADT/Optional.h"
+
+namespace py = pybind11;
+
+namespace pybind11 {
+namespace detail {
+
+template <typename T>
+struct type_caster<llvm::Optional<T>> : optional_caster<llvm::Optional<T>> {};
+
+} // namespace detail
+} // namespace pybind11
+
+namespace mlir {
+namespace npcomp {
+namespace python {
+
+/// Raises a python exception with the given message.
+/// Correct usage:
+//   throw RaiseValueError(PyExc_ValueError, "Foobar'd");
+pybind11::error_already_set raisePyError(PyObject *exc_class,
+                                         const char *message);
+
+/// Raises a value error with the given message.
+/// Correct usage:
+///   throw RaiseValueError("Foobar'd");
+inline pybind11::error_already_set raiseValueError(const char *message) {
+  return raisePyError(PyExc_ValueError, message);
+}
+
+/// Raises a value error with the given message.
+/// Correct usage:
+///   throw RaiseValueError(message);
+inline pybind11::error_already_set raiseValueError(const std::string &message) {
+  return raisePyError(PyExc_ValueError, message.c_str());
+}
+
+} // namespace python
+} // namespace npcomp
+} // namespace mlir

tools/cmake_configure.sh

@@ -26,6 +26,8 @@ set -x
 cmake -GNinja \
   "-H$td" \
   "-B$build_dir" \
+  "-DCMAKE_BUILD_TYPE=Debug" \
+  "-DCMAKE_CXX_FLAGS_DEBUG=-g3 -gdwarf-2 -Weverything -Werror" \
   "-DPYTHON_EXECUTABLE=$python_exe" \
   "-DMLIR_DIR=$install_mlir/lib/cmake/mlir" \
   "-DLLVM_EXTERNAL_LIT=$build_mlir/bin/llvm-lit" \