xref: /llvm-project/mlir/test/Dialect/Arith/one-shot-bufferize.mlir (revision 35d3b3430eff16403d004d9f0b0369f0814cf140)
1// RUN: mlir-opt %s -one-shot-bufferize="bufferize-function-boundaries" -split-input-file | FileCheck %s
2
3// Run fuzzer with different seeds.
4// RUN: mlir-opt %s -one-shot-bufferize="test-analysis-only analysis-heuristic=fuzzer analysis-fuzzer-seed=23 bufferize-function-boundaries" -split-input-file -o /dev/null
5// RUN: mlir-opt %s -one-shot-bufferize="test-analysis-only analysis-heuristic=fuzzer analysis-fuzzer-seed=59 bufferize-function-boundaries" -split-input-file -o /dev/null
6// RUN: mlir-opt %s -one-shot-bufferize="test-analysis-only analysis-heuristic=fuzzer analysis-fuzzer-seed=91 bufferize-function-boundaries" -split-input-file -o /dev/null
7
8// Test bufferization using memref types that have no layout map.
9// RUN: mlir-opt %s -one-shot-bufferize="unknown-type-conversion=identity-layout-map function-boundary-type-conversion=identity-layout-map bufferize-function-boundaries" -split-input-file -o /dev/null
10
11// CHECK-LABEL: func @write_to_select_op_source
12//  CHECK-SAME:     %[[t1:.*]]: memref<?xf32, strided{{.*}}>, %[[t2:.*]]: memref<?xf32, strided{{.*}}>
13func.func @write_to_select_op_source(
14    %t1 : tensor<?xf32> {bufferization.writable = true},
15    %t2 : tensor<?xf32> {bufferization.writable = true},
16    %c : i1)
17  -> (tensor<?xf32>, tensor<?xf32>)
18{
19  %cst = arith.constant 0.0 : f32
20  %idx = arith.constant 0 : index
21  // CHECK: %[[alloc:.*]] = memref.alloc
22  // CHECK: memref.copy %[[t1]], %[[alloc]]
23  // CHECK: memref.store %{{.*}}, %[[alloc]]
24  %w = tensor.insert %cst into %t1[%idx] : tensor<?xf32>
25  // CHECK: %[[select:.*]] = arith.select %{{.*}}, %[[t1]], %[[t2]]
26  %s = arith.select %c, %t1, %t2 : tensor<?xf32>
27  // CHECK: return %[[select]], %[[alloc]]
28  return %s, %w : tensor<?xf32>, tensor<?xf32>
29}
30
31// -----
32
33// Due to the out-of-place bufferization of %t1, buffers with different layout
34// maps are passed to arith.select. A cast must be inserted.
35
36// CHECK-LABEL: func @write_after_select_read_one
37//  CHECK-SAME:     %[[t1:.*]]: memref<?xf32, strided{{.*}}>, %[[t2:.*]]: memref<?xf32, strided{{.*}}>
38func.func @write_after_select_read_one(
39    %t1 : tensor<?xf32> {bufferization.writable = true},
40    %t2 : tensor<?xf32> {bufferization.writable = true},
41    %c : i1)
42  -> (f32, tensor<?xf32>)
43{
44  %cst = arith.constant 0.0 : f32
45  %idx = arith.constant 0 : index
46
47  // CHECK: %[[alloc:.*]] = memref.alloc
48  // CHECK-DAG: %[[casted:.*]] = memref.cast %[[alloc]]
49  // CHECK-DAG: memref.copy %[[t1]], %[[alloc]]
50  // CHECK: %[[select:.*]] = arith.select %{{.*}}, %[[casted]], %[[t2]]
51  %s = arith.select %c, %t1, %t2 : tensor<?xf32>
52
53  // CHECK: memref.store %{{.*}}, %[[select]]
54  %w = tensor.insert %cst into %s[%idx] : tensor<?xf32>
55
56  // CHECK: %[[f:.*]] = memref.load %[[t1]]
57  %f = tensor.extract %t1[%idx] : tensor<?xf32>
58
59  // CHECK: return %[[f]], %[[select]]
60  return %f, %w : f32, tensor<?xf32>
61}
62