1# RUN: %PYTHON %s | FileCheck %s
2
3from mlir.ir import *
4# TODO: Import this into the user-package vs the cext.
5from _mlir.dialects import sparse_tensor as st
6
7def run(f):
8  print("\nTEST:", f.__name__)
9  f()
10  return f
11
12
13# CHECK-LABEL: TEST: testEncodingAttr1D
14@run
15def testEncodingAttr1D():
16  with Context() as ctx:
17    parsed = Attribute.parse(
18      '#sparse_tensor.encoding<{ dimLevelType = [ "compressed" ], '
19      'pointerBitWidth = 16, indexBitWidth = 32 }>')
20    print(parsed)
21
22    casted = st.EncodingAttr(parsed)
23    # CHECK: equal: True
24    print(f"equal: {casted == parsed}")
25
26    # CHECK: dim_level_types: [<DimLevelType.compressed: 1>]
27    print(f"dim_level_types: {casted.dim_level_types}")
28    # CHECK: dim_ordering: None
29    # Note that for 1D, the ordering is None, which exercises several special
30    # cases.
31    print(f"dim_ordering: {casted.dim_ordering}")
32    # CHECK: pointer_bit_width: 16
33    print(f"pointer_bit_width: {casted.pointer_bit_width}")
34    # CHECK: index_bit_width: 32
35    print(f"index_bit_width: {casted.index_bit_width}")
36
37    created = st.EncodingAttr.get(casted.dim_level_types, None, 16, 32)
38    print(created)
39    # CHECK: created_equal: True
40    print(f"created_equal: {created == casted}")
41
42    # Verify that the factory creates an instance of the proper type.
43    # CHECK: is_proper_instance: True
44    print(f"is_proper_instance: {isinstance(created, st.EncodingAttr)}")
45    # CHECK: created_pointer_bit_width: 16
46    print(f"created_pointer_bit_width: {created.pointer_bit_width}")
47
48
49# CHECK-LABEL: TEST: testEncodingAttr2D
50@run
51def testEncodingAttr2D():
52  with Context() as ctx:
53    parsed = Attribute.parse(
54      '#sparse_tensor.encoding<{ dimLevelType = [ "dense", "compressed" ], '
55      'dimOrdering = affine_map<(d0, d1) -> (d0, d1)>, '
56      'pointerBitWidth = 16, indexBitWidth = 32 }>')
57    print(parsed)
58
59    casted = st.EncodingAttr(parsed)
60    # CHECK: equal: True
61    print(f"equal: {casted == parsed}")
62
63    # CHECK: dim_level_types: [<DimLevelType.dense: 0>, <DimLevelType.compressed: 1>]
64    print(f"dim_level_types: {casted.dim_level_types}")
65    # CHECK: dim_ordering: (d0, d1) -> (d0, d1)
66    print(f"dim_ordering: {casted.dim_ordering}")
67    # CHECK: pointer_bit_width: 16
68    print(f"pointer_bit_width: {casted.pointer_bit_width}")
69    # CHECK: index_bit_width: 32
70    print(f"index_bit_width: {casted.index_bit_width}")
71
72    created = st.EncodingAttr.get(casted.dim_level_types, casted.dim_ordering,
73        16, 32)
74    print(created)
75    # CHECK: created_equal: True
76    print(f"created_equal: {created == casted}")
77