xref: /llvm-project/mlir/test/mlir-runner/async-value.mlir (revision eb206e9ea84eff0a0596fed2de8316d924f946d1) 
1// RUN:   mlir-opt %s -pass-pipeline="builtin.module(async-to-async-runtime,func.func(async-runtime-ref-counting,async-runtime-ref-counting-opt),convert-async-to-llvm,func.func(convert-arith-to-llvm),convert-vector-to-llvm,finalize-memref-to-llvm,convert-func-to-llvm,convert-cf-to-llvm,reconcile-unrealized-casts)" \
2// RUN: | mlir-runner                                                      \
3// RUN:     -e main -entry-point-result=void -O0                               \
4// RUN:     -shared-libs=%mlir_c_runner_utils  \
5// RUN:     -shared-libs=%mlir_runner_utils    \
6// RUN:     -shared-libs=%mlir_async_runtime   \
7// RUN: | FileCheck %s --dump-input=always
8
9// FIXME: https://github.com/llvm/llvm-project/issues/57231
10// UNSUPPORTED: hwasan
11// FIXME: Windows does not have aligned_alloc
12// UNSUPPORTED: system-windows
13
14func.func @main() {
15
16  // ------------------------------------------------------------------------ //
17  // Blocking async.await outside of the async.execute.
18  // ------------------------------------------------------------------------ //
19  %token, %result = async.execute -> !async.value<f32> {
20    %0 = arith.constant 123.456 : f32
21    async.yield %0 : f32
22  }
23  %1 = async.await %result : !async.value<f32>
24
25  // CHECK: 123.456
26  vector.print %1 : f32
27
28  // ------------------------------------------------------------------------ //
29  // Non-blocking async.await inside the async.execute
30  // ------------------------------------------------------------------------ //
31  %token0, %result0 = async.execute -> !async.value<f32> {
32    %token1, %result2 = async.execute -> !async.value<f32> {
33      %2 = arith.constant 456.789 : f32
34      async.yield %2 : f32
35    }
36    %3 = async.await %result2 : !async.value<f32>
37    async.yield %3 : f32
38  }
39  %4 = async.await %result0 : !async.value<f32>
40
41  // CHECK: 456.789
42  vector.print %4 : f32
43
44  // ------------------------------------------------------------------------ //
45  // Memref allocated inside async.execute region.
46  // ------------------------------------------------------------------------ //
47  %token2, %result2 = async.execute[%token0] -> !async.value<memref<f32>> {
48    %5 = memref.alloc() : memref<f32>
49    %c0 = arith.constant 0.25 : f32
50    memref.store %c0, %5[]: memref<f32>
51    async.yield %5 : memref<f32>
52  }
53  %6 = async.await %result2 : !async.value<memref<f32>>
54  %7 = memref.cast %6 :  memref<f32> to memref<*xf32>
55
56  // CHECK: Unranked Memref
57  // CHECK-SAME: rank = 0 offset = 0 sizes = [] strides = []
58  // CHECK-NEXT: [0.25]
59  call @printMemrefF32(%7): (memref<*xf32>) -> ()
60
61  // ------------------------------------------------------------------------ //
62  // Memref passed as async.execute operand.
63  // ------------------------------------------------------------------------ //
64  %token3 = async.execute(%result2 as %unwrapped : !async.value<memref<f32>>) {
65    %8 = memref.load %unwrapped[]: memref<f32>
66    %9 = arith.addf %8, %8 : f32
67    memref.store %9, %unwrapped[]: memref<f32>
68    async.yield
69  }
70  async.await %token3 : !async.token
71
72  // CHECK: Unranked Memref
73  // CHECK-SAME: rank = 0 offset = 0 sizes = [] strides = []
74  // CHECK-NEXT: [0.5]
75  call @printMemrefF32(%7): (memref<*xf32>) -> ()
76
77  memref.dealloc %6 : memref<f32>
78
79  return
80}
81
82func.func private @printMemrefF32(memref<*xf32>)
83  attributes { llvm.emit_c_interface }
84