[all-commits] [llvm/llvm-project] e5114a: [MLIR][Python] Add python bindings for IRDL dialec...

[Twice via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e5114a2016557fc0dd6014b838e91ca025e23b29
      https://github.com/llvm/llvm-project/commit/e5114a2016557fc0dd6014b838e91ca025e23b29
  Author: Twice <twice at apache.org>
  Date:   2025-09-19 (Fri, 19 Sep 2025)

  Changed paths:
    M mlir/include/mlir/Dialect/IRDL/IR/IRDLAttributes.td
    M mlir/include/mlir/Dialect/IRDL/IR/IRDLOps.td
    M mlir/include/mlir/Dialect/IRDL/IR/IRDLTypes.td
    A mlir/lib/Bindings/Python/DialectIRDL.cpp
    M mlir/python/CMakeLists.txt
    A mlir/python/mlir/dialects/IRDLOps.td
    A mlir/python/mlir/dialects/irdl.py
    A mlir/test/python/dialects/irdl.py

  Log Message:
  -----------
  [MLIR][Python] Add python bindings for IRDL dialect (#158488)

In this PR we add basic python bindings for IRDL dialect, so that python
users can create and load IRDL dialects in python. This allows users, to
some extent, to define dialects in Python without having to modify
MLIR’s CMake/TableGen/C++ code and rebuild, making prototyping more
convenient.

A basic example is shown below (and also in the added test case):
```python
# create a module with IRDL dialects
module = Module.create()
with InsertionPoint(module.body):
  dialect = irdl.DialectOp("irdl_test")
  with InsertionPoint(dialect.body):
    op = irdl.OperationOp("test_op")
    with InsertionPoint(op.body):
      f32 = irdl.is_(TypeAttr.get(F32Type.get()))
      irdl.operands_([f32], ["input"], [irdl.Variadicity.single])

# load the module
irdl.load_dialects(module)

# use the op defined in IRDL
m = Module.parse("""
  module {
    %a = arith.constant 1.0 : f32
    "irdl_test.test_op"(%a) : (f32) -> ()
  }
""")
```



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