xref: /llvm-project/mlir/test/Examples/transform/Ch4/features.mlir (revision 2798b72ae7e5caad793169b77cbac47fe2362d0f)
1// RUN: transform-opt-ch4 %s --transform-interpreter --verify-diagnostics
2
3// Matmul as a named operation.
4func.func @named(
5    %lhs: tensor<512x512xf32>, %rhs: tensor<512x512xf32>,
6    %bias: tensor<512x512xf32>, %output: tensor<512x512xf32>)
7    -> tensor<512x512xf32> {
8  // expected-remark @below {{matmul}}
9  %matmul = linalg.matmul ins(%lhs, %rhs: tensor<512x512xf32>, tensor<512x512xf32>)
10                          outs(%output: tensor<512x512xf32>) -> tensor<512x512xf32>
11  func.return %matmul : tensor<512x512xf32>
12}
13
14// Matmul as a generic operation.
15func.func @generic(
16    %lhs: tensor<512x512xf32>, %rhs: tensor<512x512xf32>,
17    %bias: tensor<512x512xf32>, %output: tensor<512x512xf32>)
18    -> tensor<512x512xf32> {
19  // expected-remark @below {{matmul}}
20  %matmul = linalg.generic {
21    iterator_types = ["parallel", "parallel", "reduction"],
22    indexing_maps = [
23      affine_map<(d0, d1, d2) -> (d0, d2)>,
24      affine_map<(d0, d1, d2) -> (d2, d1)>,
25      affine_map<(d0, d1, d2) -> (d0, d1)>]
26  } ins(%lhs, %rhs: tensor<512x512xf32>, tensor<512x512xf32>)
27    outs(%output: tensor<512x512xf32>) {
28  ^bb0(%arg0: f32, %arg1: f32, %arg2: f32):
29    %0 = arith.mulf %arg0, %arg1 : f32
30    %1 = arith.addf %0, %arg2 : f32
31    linalg.yield %1 : f32
32  } -> tensor<512x512xf32>
33  return %matmul : tensor<512x512xf32>
34}
35
36// The module containing named sequences must have an attribute allowing them
37// to enable verification.
38module @transforms attributes { transform.with_named_sequence } {
39  // Entry point. This takes as the only argument the root operation (typically
40  // pass root) given to the transform interpreter.
41  transform.named_sequence @__transform_main(
42      %root: !transform.any_op {transform.consumed}) {
43
44    // Traverses the payload IR associated with the operand handle, invoking
45    // @match_matmul_elemwise on each of the operations. If the named sequence
46    // succeeds, i.e., if none of the nested match (transform) operations
47    // produced a silenceable failure, invokes @print_matmul_elemwise and
48    // forwards the values yielded as arguments of the new invocation. If the
49    // named sequence fails with a silenceable failure, silences it (the message
50    // is forwarded to the debug stream). Definite failures are propagated
51    // immediately and unconditionally, as usual.
52    transform.foreach_match in %root
53      @match_generic_matmul -> @print_generic_matmul
54      : (!transform.any_op) -> !transform.any_op
55
56    transform.yield
57  }
58
59  // This is an action sequence.
60  transform.named_sequence @print_generic_matmul(
61      %matmul: !transform.any_op {transform.readonly}) {
62    transform.debug.emit_remark_at %matmul, "matmul" : !transform.any_op
63    transform.yield
64  }
65
66  transform.named_sequence @match_generic_matmul(
67      %candidate: !transform.any_op {transform.readonly}) -> !transform.any_op {
68    // Match a structured linear algebra operation.
69    transform.match.structured %candidate : !transform.any_op {
70    ^bb0(%c: !transform.any_op):
71      // With a rank equal to 3.
72      %rank = transform.match.structured.rank %c
73        : (!transform.any_op) -> !transform.param<i64>
74      %c3 = transform.param.constant 3 : i64 -> !transform.param<i64>
75      transform.match.param.cmpi eq %rank, %c3 : !transform.param<i64>
76
77      // With 2 inputs.
78      %n_ins = transform.match.structured.num_inputs %c
79        : (!transform.any_op) -> !transform.param<i64>
80      %c2 = transform.param.constant 2 : i64 -> !transform.param<i64>
81      transform.match.param.cmpi eq %n_ins, %c2 : !transform.param<i64>
82
83      // With 1 output (note that structured ops in destination passing style
84      // has as many inits as outputs).
85      %n_inits = transform.match.structured.num_inits %c
86        : (!transform.any_op) -> !transform.param<i64>
87      %c1 = transform.param.constant 1 : i64 -> !transform.param<i64>
88      transform.match.param.cmpi eq %n_inits, %c1 : !transform.param<i64>
89
90      // All inputs and inits are accessed with a projected permutation.
91      transform.match.structured.input %c[all] {projected_permutation}
92        : !transform.any_op
93      transform.match.structured.init %c[0] {projected_permutation}
94        : !transform.any_op
95
96      // The body is a mulf/addf contraction with appropriate dimensions.
97      transform.match.structured.body %c
98        { contraction = ["arith.mulf", "arith.addf"] } : !transform.any_op
99      %batch, %lhs, %rhs, %reduction =
100      transform.match.structured.classify_contraction_dims %c
101        : (!transform.any_op)
102        -> (!transform.param<i64>, !transform.param<i64>, !transform.param<i64>,
103            !transform.param<i64>)
104
105      // There is one of lhs, rhs and reduction dimensions and zero batch
106      // dimensions.
107      %n_batch = transform.num_associations %batch
108        : (!transform.param<i64>) -> !transform.param<i64>
109      %n_lhs = transform.num_associations %lhs
110        : (!transform.param<i64>) -> !transform.param<i64>
111      %n_rhs = transform.num_associations %rhs
112        : (!transform.param<i64>) -> !transform.param<i64>
113      %n_reduction = transform.num_associations %reduction
114        : (!transform.param<i64>) -> !transform.param<i64>
115      %c0 = transform.param.constant 0 : i64 -> !transform.param<i64>
116      transform.match.param.cmpi eq %n_batch, %c0 : !transform.param<i64>
117      transform.match.param.cmpi eq %n_lhs, %c1 : !transform.param<i64>
118      transform.match.param.cmpi eq %n_rhs, %c1 : !transform.param<i64>
119      transform.match.param.cmpi eq %n_reduction, %c1 : !transform.param<i64>
120    }
121    transform.yield %candidate : !transform.any_op
122  }
123}
124