From 4cd1b66dffb06695b4eaf725df8c402347e39bf0 Mon Sep 17 00:00:00 2001
From: Matthias Springer <springerm@google.com>
Date: Thu, 20 May 2021 17:51:53 +0900
Subject: [PATCH] [mlir] Add Python bindings for vector dialect

Also add a minimal test case for vector.print.

Differential Revision: https://reviews.llvm.org/D102826
---
 mlir/python/mlir/dialects/CMakeLists.txt |  5 +++++
 mlir/python/mlir/dialects/VectorOps.td   | 15 ++++++++++++++
 mlir/python/mlir/dialects/vector.py      |  5 +++++
 mlir/test/python/dialects/vector.py      | 26 ++++++++++++++++++++++++
 4 files changed, 51 insertions(+)
 create mode 100644 mlir/python/mlir/dialects/VectorOps.td
 create mode 100644 mlir/python/mlir/dialects/vector.py
 create mode 100644 mlir/test/python/dialects/vector.py

diff --git a/mlir/python/mlir/dialects/CMakeLists.txt b/mlir/python/mlir/dialects/CMakeLists.txt
index 31a4ee55b9d3..cad3bb7100e2 100644
--- a/mlir/python/mlir/dialects/CMakeLists.txt
+++ b/mlir/python/mlir/dialects/CMakeLists.txt
@@ -45,6 +45,11 @@ add_mlir_dialect_python_bindings(MLIRBindingsPythonTensorOps
   DIALECT_NAME tensor)
 add_dependencies(MLIRBindingsPythonSources MLIRBindingsPythonTensorOps)
 
+add_mlir_dialect_python_bindings(MLIRBindingsPythonVectorOps
+  TD_FILE VectorOps.td
+  DIALECT_NAME vector)
+add_dependencies(MLIRBindingsPythonSources MLIRBindingsPythonVectorOps)
+
 ################################################################################
 # Installation.
 ################################################################################
diff --git a/mlir/python/mlir/dialects/VectorOps.td b/mlir/python/mlir/dialects/VectorOps.td
new file mode 100644
index 000000000000..b06668bdf4c5
--- /dev/null
+++ b/mlir/python/mlir/dialects/VectorOps.td
@@ -0,0 +1,15 @@
+//===-- VectorOps.td - Entry point for VectorOps bind ------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef PYTHON_BINDINGS_VECTOR_OPS
+#define PYTHON_BINDINGS_VECTOR_OPS
+
+include "mlir/Bindings/Python/Attributes.td"
+include "mlir/Dialect/Vector/VectorOps.td"
+
+#endif
diff --git a/mlir/python/mlir/dialects/vector.py b/mlir/python/mlir/dialects/vector.py
new file mode 100644
index 000000000000..610c0b204c6b
--- /dev/null
+++ b/mlir/python/mlir/dialects/vector.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 ._vector_ops_gen import *
diff --git a/mlir/test/python/dialects/vector.py b/mlir/test/python/dialects/vector.py
new file mode 100644
index 000000000000..4d7052859e7d
--- /dev/null
+++ b/mlir/test/python/dialects/vector.py
@@ -0,0 +1,26 @@
+# RUN: %PYTHON %s | FileCheck %s
+
+from mlir.ir import *
+import mlir.dialects.builtin as builtin
+import mlir.dialects.vector as vector
+
+def run(f):
+  print("\nTEST:", f.__name__)
+  f()
+
+# CHECK-LABEL: TEST: testPrintOp
+@run
+def testPrintOp():
+  with Context() as ctx, Location.unknown():
+    module = Module.create()
+    with InsertionPoint(module.body):
+      @builtin.FuncOp.from_py_func(VectorType.get((12, 5), F32Type.get()))
+      def print_vector(arg):
+        return vector.PrintOp(arg)
+
+    # CHECK-LABEL: func @print_vector(
+    # CHECK-SAME:                     %[[ARG:.*]]: vector<12x5xf32>) {
+    #       CHECK:   vector.print %[[ARG]] : vector<12x5xf32>
+    #       CHECK:   return
+    #       CHECK: }
+    print(module)