[mlir] enable python bindings for nvgpu transforms (#68088)

Expose the autogenerated bindings.

Co-authored-by: Martin Lücke <mluecke@google.com>

mlir/python/CMakeLists.txt

@@ -200,6 +200,15 @@ declare_mlir_dialect_extension_python_bindings(
   DIALECT_NAME transform
   EXTENSION_NAME memref_transform)
 
+declare_mlir_dialect_extension_python_bindings(
+  ADD_TO_PARENT MLIRPythonSources.Dialects
+  ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/mlir"
+  TD_FILE dialects/NVGPUTransformOps.td
+  SOURCES
+    dialects/transform/nvgpu.py
+  DIALECT_NAME transform
+  EXTENSION_NAME nvgpu_transform)
+
 declare_mlir_dialect_extension_python_bindings(
   ADD_TO_PARENT MLIRPythonSources.Dialects
   ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/mlir"

mlir/python/mlir/dialects/NVGPUTransformOps.td

@@ -0,0 +1,20 @@
+//===-- NVGPUTransformOps.td -------------------------------*- tablegen -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// Entry point of the Python bindings generator for the transform ops provided
+// by the NVGPU dialect.
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef PYTHON_BINDINGS_NVGPU_TRANSFORM_OPS
+#define PYTHON_BINDINGS_NVGPU_TRANSFORM_OPS
+
+include "mlir/Dialect/NVGPU/TransformOps/NVGPUTransformOps.td"
+
+#endif // PYTHON_BINDINGS_NVGPU_TRANSFORM_OPS

mlir/python/mlir/dialects/transform/nvgpu.py

@@ -0,0 +1,5 @@
+#  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
+
+from .._nvgpu_transform_ops_gen import *

mlir/test/python/dialects/transform_nvgpu_ext.py

@@ -0,0 +1,27 @@
+# RUN: %PYTHON %s | FileCheck %s
+
+from mlir.ir import *
+from mlir.dialects import transform
+from mlir.dialects.transform import nvgpu
+
+
+def run(f):
+    with Context(), Location.unknown():
+        module = Module.create()
+        with InsertionPoint(module.body):
+            print("\nTEST:", f.__name__)
+            f()
+        print(module)
+    return f
+
+
+@run
+def testCreateAsyncGroups():
+    sequence = transform.SequenceOp(
+        transform.FailurePropagationMode.Propagate, [], transform.AnyOpType.get()
+    )
+    with InsertionPoint(sequence.body):
+        nvgpu.CreateAsyncGroupsOp(transform.AnyOpType.get(), sequence.bodyTarget)
+        transform.YieldOp()
+    # CHECK-LABEL: TEST: testCreateAsyncGroups
+    # CHECK: transform.nvgpu.create_async_groups

utils/bazel/llvm-project-overlay/mlir/python/BUILD.bazel

@@ -1209,6 +1209,25 @@ gentbl_filegroup(
     ],
 )
 
+gentbl_filegroup(
+    name = "NVGPUTransformOpsPyGen",
+    tbl_outs = [
+        (
+            [
+                "-gen-python-op-bindings",
+                "-bind-dialect=transform",
+                "-dialect-extension=nvgpu_transform",
+            ],
+            "mlir/dialects/_nvgpu_transform_ops_gen.py",
+        ),
+    ],
+    tblgen = "//mlir:mlir-tblgen",
+    td_file = "mlir/dialects/NVGPUTransformOps.td",
+    deps = [
+        "//mlir:NVGPUTransformOpsTdFiles",
+    ],
+)
+
 gentbl_filegroup(
     name = "PDLTransformOpsPyGen",
     tbl_outs = [
@@ -1327,6 +1346,7 @@ filegroup(
         ":GPUTransformOpsPyGen",
         ":LoopTransformOpsPyGen",
         ":MemRefTransformOpsPyGen",
+        ":NVGPUTransformOpsPyGen",
         ":PDLTransformOpsPyGen",
         ":SparseTensorTransformOpsPyGen",
         ":StructureTransformEnumPyGen",