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// RUN: mlir-opt %s -pass-pipeline="builtin.module(async-func-to-async-runtime,async-to-async-runtime,func.func(async-runtime-ref-counting,async-runtime-ref-counting-opt),convert-async-to-llvm,test-lower-to-llvm)" \
// RUN: | mlir-cpu-runner \
// RUN: -e main -entry-point-result=void -O0 \
// RUN: -shared-libs=%mlir_c_runner_utils \
// RUN: -shared-libs=%mlir_runner_utils \
// RUN: -shared-libs=%mlir_async_runtime \
// RUN: | FileCheck %s --dump-input=always
// FIXME: https://github.com/llvm/llvm-project/issues/57231
// UNSUPPORTED: hwasan
// FIXME: Windows does not have aligned_alloc
// UNSUPPORTED: system-windows
async.func @async_func_empty() -> !async.token {
return
}
async.func @async_func_assert() -> !async.token {
%false = arith.constant 0 : i1
cf.assert %false, "error"
return
}
async.func @async_func_nested_assert() -> !async.token {
%token0 = async.call @async_func_assert() : () -> !async.token
async.await %token0 : !async.token
return
}
async.func @async_func_value_assert() -> !async.value<f32> {
%false = arith.constant 0 : i1
cf.assert %false, "error"
%0 = arith.constant 123.45 : f32
return %0 : f32
}
async.func @async_func_value_nested_assert() -> !async.value<f32> {
%value0 = async.call @async_func_value_assert() : () -> !async.value<f32>
%ret = async.await %value0 : !async.value<f32>
return %ret : f32
}
async.func @async_func_return_value() -> !async.value<f32> {
%0 = arith.constant 456.789 : f32
return %0 : f32
}
async.func @async_func_non_blocking_await() -> !async.value<f32> {
%value0 = async.call @async_func_return_value() : () -> !async.value<f32>
%1 = async.await %value0 : !async.value<f32>
return %1 : f32
}
async.func @async_func_inside_memref() -> !async.value<memref<f32>> {
%0 = memref.alloc() : memref<f32>
%c0 = arith.constant 0.25 : f32
memref.store %c0, %0[] : memref<f32>
return %0 : memref<f32>
}
async.func @async_func_passed_memref(%arg0 : !async.value<memref<f32>>) -> !async.token {
%unwrapped = async.await %arg0 : !async.value<memref<f32>>
%0 = memref.load %unwrapped[] : memref<f32>
%1 = arith.addf %0, %0 : f32
memref.store %1, %unwrapped[] : memref<f32>
return
}
async.func @async_execute_in_async_func(%arg0 : !async.value<memref<f32>>) -> !async.token {
%token0 = async.execute {
%unwrapped = async.await %arg0 : !async.value<memref<f32>>
%0 = memref.load %unwrapped[] : memref<f32>
%1 = arith.addf %0, %0 : f32
memref.store %1, %unwrapped[] : memref<f32>
async.yield
}
async.await %token0 : !async.token
return
}
func.func @main() {
%false = arith.constant 0 : i1
// ------------------------------------------------------------------------ //
// Check that simple async.func completes without errors.
// ------------------------------------------------------------------------ //
%token0 = async.call @async_func_empty() : () -> !async.token
async.runtime.await %token0 : !async.token
// CHECK: 0
%err0 = async.runtime.is_error %token0 : !async.token
vector.print %err0 : i1
// ------------------------------------------------------------------------ //
// Check that assertion in the async.func converted to async error.
// ------------------------------------------------------------------------ //
%token1 = async.call @async_func_assert() : () -> !async.token
async.runtime.await %token1 : !async.token
// CHECK: 1
%err1 = async.runtime.is_error %token1 : !async.token
vector.print %err1 : i1
// ------------------------------------------------------------------------ //
// Check error propagation from the nested async.func.
// ------------------------------------------------------------------------ //
%token2 = async.call @async_func_nested_assert() : () -> !async.token
async.runtime.await %token2 : !async.token
// CHECK: 1
%err2 = async.runtime.is_error %token2 : !async.token
vector.print %err2 : i1
// ------------------------------------------------------------------------ //
// Check error propagation from the nested async.func with async values.
// ------------------------------------------------------------------------ //
%value3 = async.call @async_func_value_nested_assert() : () -> !async.value<f32>
async.runtime.await %value3 : !async.value<f32>
// CHECK: 1
%err3_0 = async.runtime.is_error %value3 : !async.value<f32>
vector.print %err3_0 : i1
// ------------------------------------------------------------------------ //
// Non-blocking async.await inside the async.func
// ------------------------------------------------------------------------ //
%result0 = async.call @async_func_non_blocking_await() : () -> !async.value<f32>
%4 = async.await %result0 : !async.value<f32>
// CHECK: 456.789
vector.print %4 : f32
// ------------------------------------------------------------------------ //
// Memref allocated inside async.func.
// ------------------------------------------------------------------------ //
%result1 = async.call @async_func_inside_memref() : () -> !async.value<memref<f32>>
%5 = async.await %result1 : !async.value<memref<f32>>
%6 = memref.cast %5 : memref<f32> to memref<*xf32>
// CHECK: Unranked Memref
// CHECK-SAME: rank = 0 offset = 0 sizes = [] strides = []
// CHECK-NEXT: [0.25]
call @printMemrefF32(%6) : (memref<*xf32>) -> ()
// ------------------------------------------------------------------------ //
// Memref passed as async.func parameter
// ------------------------------------------------------------------------ //
%token3 = async.call @async_func_passed_memref(%result1) : (!async.value<memref<f32>>) -> !async.token
async.await %token3 : !async.token
// CHECK: Unranked Memref
// CHECK-SAME: rank = 0 offset = 0 sizes = [] strides = []
// CHECK-NEXT: [0.5]
call @printMemrefF32(%6) : (memref<*xf32>) -> ()
// ------------------------------------------------------------------------ //
// async.execute inside async.func
// ------------------------------------------------------------------------ //
%token4 = async.call @async_execute_in_async_func(%result1) : (!async.value<memref<f32>>) -> !async.token
async.await %token4 : !async.token
// CHECK: Unranked Memref
// CHECK-SAME: rank = 0 offset = 0 sizes = [] strides = []
// CHECK-NEXT: [1]
call @printMemrefF32(%6) : (memref<*xf32>) -> ()
memref.dealloc %5 : memref<f32>
return
}
func.func private @printMemrefF32(memref<*xf32>)
attributes { llvm.emit_c_interface }
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