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// RUN: mlir-opt %s | FileCheck %s
// CHECK-LABEL: @identity_token
func.func @identity_token(%arg0: !async.token) -> !async.token {
// CHECK: return %arg0 : !async.token
return %arg0 : !async.token
}
// CHECK-LABEL: @identity_value
func.func @identity_value(%arg0 : !async.value<f32>) -> !async.value<f32> {
// CHECK: return %arg0 : !async.value<f32>
return %arg0 : !async.value<f32>
}
// CHECK-LABEL: @empty_async_execute
func.func @empty_async_execute() -> !async.token {
// CHECK: async.execute
%token = async.execute {
async.yield
}
// CHECK: return %token : !async.token
return %token : !async.token
}
// CHECK-LABEL: @return_async_value
func.func @return_async_value() -> !async.value<f32> {
// CHECK: async.execute -> !async.value<f32>
%token, %bodyResults = async.execute -> !async.value<f32> {
%cst = arith.constant 1.000000e+00 : f32
async.yield %cst : f32
}
// CHECK: return %bodyResults : !async.value<f32>
return %bodyResults : !async.value<f32>
}
// CHECK-LABEL: @return_captured_value
func.func @return_captured_value() -> !async.token {
%cst = arith.constant 1.000000e+00 : f32
// CHECK: async.execute -> !async.value<f32>
%token, %results = async.execute -> !async.value<f32> {
async.yield %cst : f32
}
// CHECK: return %token : !async.token
return %token : !async.token
}
// CHECK-LABEL: @return_async_values
func.func @return_async_values() -> (!async.value<f32>, !async.value<f32>) {
%token, %bodyResults:2 = async.execute -> (!async.value<f32>, !async.value<f32>) {
%cst1 = arith.constant 1.000000e+00 : f32
%cst2 = arith.constant 2.000000e+00 : f32
async.yield %cst1, %cst2 : f32, f32
}
// CHECK: return %bodyResults#0, %bodyResults#1 : !async.value<f32>, !async.value<f32>
return %bodyResults#0, %bodyResults#1 : !async.value<f32>, !async.value<f32>
}
// CHECK-LABEL: @async_token_dependencies
func.func @async_token_dependencies(%arg0: !async.token) -> !async.token {
// CHECK: async.execute [%arg0]
%token = async.execute [%arg0] {
async.yield
}
// CHECK: return %token : !async.token
return %token : !async.token
}
// CHECK-LABEL: @async_value_operands
func.func @async_value_operands(%arg0: !async.value<f32>) -> !async.token {
// CHECK: async.execute (%arg0 as %arg1: !async.value<f32>) -> !async.value<f32>
%token, %results = async.execute (%arg0 as %arg1: !async.value<f32>) -> !async.value<f32> {
async.yield %arg1 : f32
}
// CHECK: return %token : !async.token
return %token : !async.token
}
// CHECK-LABEL: @async_token_and_value_operands
func.func @async_token_and_value_operands(%arg0: !async.token, %arg1: !async.value<f32>) -> !async.token {
// CHECK: async.execute [%arg0] (%arg1 as %arg2: !async.value<f32>) -> !async.value<f32>
%token, %results = async.execute [%arg0] (%arg1 as %arg2: !async.value<f32>) -> !async.value<f32> {
async.yield %arg2 : f32
}
// CHECK: return %token : !async.token
return %token : !async.token
}
// CHECK-LABEL: @empty_tokens_or_values_operands
func.func @empty_tokens_or_values_operands() {
// CHECK: async.execute {
%token0 = async.execute [] () -> () { async.yield }
// CHECK: async.execute {
%token1 = async.execute () -> () { async.yield }
// CHECK: async.execute {
%token2 = async.execute -> () { async.yield }
// CHECK: async.execute {
%token3 = async.execute () { async.yield }
// CHECK: async.execute {
%token4 = async.execute [] { async.yield }
return
}
// CHECK-LABEL: @await_token
func.func @await_token(%arg0: !async.token) {
// CHECK: async.await %arg0
async.await %arg0 : !async.token
return
}
// CHECK-LABEL: @await_value
func.func @await_value(%arg0: !async.value<f32>) -> f32 {
// CHECK: async.await %arg0
%0 = async.await %arg0 : !async.value<f32>
return %0 : f32
}
// CHECK-LABEL: @create_group_and_await_all
func.func @create_group_and_await_all(%arg0: !async.token,
%arg1: !async.value<f32>) -> index {
%c = arith.constant 2 : index
%0 = async.create_group %c : !async.group
// CHECK: async.add_to_group %arg0
// CHECK: async.add_to_group %arg1
%1 = async.add_to_group %arg0, %0 : !async.token
%2 = async.add_to_group %arg1, %0 : !async.value<f32>
async.await_all %0
%3 = arith.addi %1, %2 : index
return %3 : index
}
// CHECK-LABEL: @async_func_return_token
async.func @async_func_return_token() -> !async.token {
// CHECK: return
return
}
// CHECK-LABEL: @async_func_return_value
async.func @async_func_return_value() -> !async.value<i32> {
%0 = arith.constant 42 : i32
// CHECK: return %[[value:.*]] : i32
return %0 : i32
}
// CHECK-LABEL: @async_func_return_optional_token
async.func @async_func_return_optional_token() -> (!async.token, !async.value<i32>) {
%0 = arith.constant 42 : i32
// CHECK: return %[[value:.*]] : i32
return %0 : i32
}
// CHECK-LABEL: @async_call
func.func @async_call() {
// CHECK: async.call @async_func_return_token
// CHECK: async.call @async_func_return_value
// CHECK: async.call @async_func_return_optional_token
%0 = async.call @async_func_return_token() : () -> !async.token
%1 = async.call @async_func_return_value() : () -> !async.value<i32>
%2, %3 = async.call @async_func_return_optional_token() : () -> (!async.token, !async.value<i32>)
return
}
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