[MLIR][Transform][Python] expose transform.debug extension in Python

Author: rolfmorel

mlir/python/CMakeLists.txt

@@ -171,6 +171,15 @@ ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/mlir"
   DIALECT_NAME transform
   EXTENSION_NAME transform_pdl_extension)
 
+declare_mlir_dialect_extension_python_bindings(
+ADD_TO_PARENT MLIRPythonSources.Dialects
+ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/mlir"
+  TD_FILE dialects/TransformDebugExtensionOps.td
+  SOURCES
+    dialects/transform/debug.py
+  DIALECT_NAME transform
+  EXTENSION_NAME transform_debug_extension)
+
 declare_mlir_dialect_python_bindings(
   ADD_TO_PARENT MLIRPythonSources.Dialects
   ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/mlir"

mlir/python/mlir/dialects/TransformDebugExtensionOps.td

@@ -0,0 +1,19 @@
+//===-- TransformDebugExtensionOps.td - Binding entry point *- 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 generated Python bindings for the Debug extension of the
+// Transform dialect.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef PYTHON_BINDINGS_TRANSFORM_DEBUG_EXTENSION_OPS
+#define PYTHON_BINDINGS_TRANSFORM_DEBUG_EXTENSION_OPS
+
+include "mlir/Dialect/Transform/DebugExtension/DebugExtensionOps.td"
+
+#endif // PYTHON_BINDINGS_TRANSFORM_DEBUG_EXTENSION_OPS

mlir/python/mlir/dialects/transform/debug.py

@@ -0,0 +1,86 @@
+#  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 typing import Optional
+
+from ...ir import Attribute, Operation, Value, StringAttr
+from .._transform_debug_extension_ops_gen import *
+from .._transform_pdl_extension_ops_gen import _Dialect
+
+try:
+    from .._ods_common import _cext as _ods_cext
+except ImportError as e:
+    raise RuntimeError("Error loading imports from extension module") from e
+
+from typing import Union
+
+
+@_ods_cext.register_operation(_Dialect, replace=True)
+class DebugEmitParamAsRemarkOp(DebugEmitParamAsRemarkOp):
+    def __init__(
+        self,
+        param: Attribute,
+        *,
+        anchor: Optional[Operation] = None,
+        message: Optional[Union[StringAttr, str]] = None,
+        loc=None,
+        ip=None,
+    ):
+        if isinstance(message, str):
+            message = StringAttr.get(message)
+
+        super().__init__(
+            param,
+            anchor=anchor,
+            message=message,
+            loc=loc,
+            ip=ip,
+        )
+
+
+def emit_param_as_remark(
+    param: Attribute,
+    *,
+    anchor: Optional[Operation] = None,
+    message: Optional[Union[StringAttr, str]] = None,
+    loc=None,
+    ip=None,
+):
+    return DebugEmitParamAsRemarkOp(
+        param, anchor=anchor, message=message, loc=loc, ip=ip
+    )
+
+del debug_emit_param_as_remark
+
+@_ods_cext.register_operation(_Dialect, replace=True)
+class DebugEmitRemarkAtOp(DebugEmitRemarkAtOp):
+    def __init__(
+        self,
+        at: Union[Operation, Value],
+        message: Optional[Union[StringAttr, str]] = None,
+        *,
+        loc=None,
+        ip=None,
+    ):
+        if isinstance(message, str):
+            message = StringAttr.get(message)
+
+        super().__init__(
+            at,
+            message,
+            loc=loc,
+            ip=ip,
+        )
+
+
+def emit_remark_at(
+    at: Union[Operation, Value],
+    message: Optional[Union[StringAttr, str]] = None,
+    *,
+    loc=None,
+    ip=None,
+):
+    return DebugEmitRemarkAtOp(at, message, loc=loc, ip=ip)
+
+del debug_emit_remark_at

mlir/test/python/dialects/transform_debug_ext.py

@@ -0,0 +1,47 @@
+# RUN: %PYTHON %s | FileCheck %s
+
+from mlir.ir import *
+from mlir.dialects import transform
+from mlir.dialects.transform import debug
+
+
+def run(f):
+    print("\nTEST:", f.__name__)
+    with Context(), Location.unknown():
+        module = Module.create()
+        with InsertionPoint(module.body):
+            sequence = transform.SequenceOp(
+                transform.FailurePropagationMode.Propagate,
+                [],
+                transform.AnyOpType.get(),
+            )
+            with InsertionPoint(sequence.body):
+                f(sequence.bodyTarget)
+                transform.YieldOp()
+        print(module)
+    return f
+
+
+@run
+def testDebugEmitParamAsRemark(target):
+    i0 = IntegerAttr.get(IntegerType.get_signless(32), 0)
+    i0_param = transform.ParamConstantOp(transform.AnyParamType.get(), i0)
+    debug.emit_param_as_remark(i0_param)
+    debug.emit_param_as_remark(i0_param, anchor=target, message="some text")
+    # CHECK-LABEL: TEST: testDebugEmitParamAsRemark
+    # CHECK: ^{{.*}}(%[[ARG0:.+]]: !transform.any_op):
+    # CHECK: %[[PARAM:.*]] = transform.param.constant
+    # CHECK: transform.debug.emit_param_as_remark %[[PARAM]]
+    # CHECK: transform.debug.emit_param_as_remark %[[PARAM]]
+    # CHECK-SAME: "some text"
+    # CHECK-SAME: at %[[ARG0]]
+
+
+@run
+def testDebugEmitRemarkAtOp(target):
+    i0 = IntegerAttr.get(IntegerType.get_signless(32), 0)
+    i0_param = transform.ParamConstantOp(transform.AnyParamType.get(), i0)
+    debug.emit_remark_at(target, "some text")
+    # CHECK-LABEL: TEST: testDebugEmitRemarkAtOp
+    # CHECK: ^{{.*}}(%[[ARG0:.+]]: !transform.any_op):
+    # CHECK: transform.debug.emit_remark_at %[[ARG0]], "some text"