mirror of https://github.com/llvm/torch-mlir
112 lines
3.0 KiB
Python
112 lines
3.0 KiB
Python
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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from npcomp.native.mlir import ir
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__all__ = [
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"load_builtin_module",
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"Types",
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]
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class Ops(ir.Ops):
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r"""Dialect ops.
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>>> c = ir.MLIRContext()
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>>> t = Types(c)
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>>> m = c.new_module()
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>>> tensor_type = t.tensor(t.f32)
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>>> ops = Ops(c)
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>>> ops.builder.insert_block_start(m.first_block)
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>>> f = ops.func_op("foobar", t.function(
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... [tensor_type, tensor_type], [tensor_type]),
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... create_entry_block=True)
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>>> uf = ops.numpy_ufunc_call("numpy.add", tensor_type,
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... *f.first_block.args)
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>>> _ = ops.return_op(uf.results)
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>>> print(m.to_asm())
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<BLANKLINE>
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<BLANKLINE>
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module {
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func @foobar(%arg0: tensor<*xf32>, %arg1: tensor<*xf32>) -> tensor<*xf32> {
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%0 = numpy.ufunc_call @numpy.add(%arg0, %arg1) : (tensor<*xf32>, tensor<*xf32>) -> tensor<*xf32>
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return %0 : tensor<*xf32>
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}
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}
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"""
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def numpy_ufunc_call(self, callee_symbol, result_type, *args):
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"""Creates a numpy.ufunc_call op."""
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c = self.context
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attrs = c.dictionary_attr({
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"ufunc_ref": c.flat_symbol_ref_attr(callee_symbol)
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})
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return self.op("numpy.ufunc_call", [result_type], args, attrs)
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class Types(ir.Types):
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"""Container/factory for dialect types.
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>>> t = Types(ir.MLIRContext())
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>>> t.any_dtype
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!numpy.any_dtype
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>>> t.tensor(t.any_dtype, [1, 2, 3])
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tensor<1x2x3x!numpy.any_dtype>
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>>> t.tensor(t.any_dtype)
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tensor<*x!numpy.any_dtype>
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>>> t.tensor(t.any_dtype, [-1, 2])
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tensor<?x2x!numpy.any_dtype>
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>>> t.tensor(t.f32)
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tensor<*xf32>
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>>> t.function([t.i32], [t.f32])
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(i32) -> f32
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"""
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def __init__(self, context):
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super().__init__(context)
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self.any_dtype = context.parse_type("!numpy.any_dtype")
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def load_builtin_module(context=None):
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"""Loads a module populated with numpy built-ins.
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This is not a long-term solution but overcomes some bootstrapping
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issues.
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>>> m = load_builtin_module()
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>>> op = m.region(0).blocks.front.operations.front
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>>> op.is_registered
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True
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>>> op.name
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'numpy.generic_ufunc'
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Args:
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context: The MLIRContext to use (None to create a new one).
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Returns:
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A ModuleOp.
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"""
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if context is None: context = ir.MLIRContext()
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return context.parse_asm(_BUILTIN_MODULE_ASM)
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_BUILTIN_MODULE_ASM = r"""
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numpy.generic_ufunc @numpy.add (
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// CHECK-SAME: overload(%arg0: i32, %arg1: i32) -> i32 {
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overload(%arg0: i32, %arg1: i32) -> i32 {
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// CHECK: addi
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%0 = addi %arg0, %arg1 : i32
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numpy.ufunc_return %0 : i32
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},
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// CHECK: overload(%arg0: f32, %arg1: f32) -> f32 {
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overload(%arg0: f32, %arg1: f32) -> f32 {
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// CHECK: addf
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%0 = addf %arg0, %arg1 : f32
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numpy.ufunc_return %0 : f32
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}
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)
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"""
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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