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1// RUN: mlir-opt %s -split-input-file -verify-diagnostics | FileCheck %s2 3// FileCheck test must have at least one CHECK statement.4// CHECK-LABEL: @no_op5func.func @no_op(%arg0: !async.token) {6 return7}8 9// -----10 11func.func @wrong_async_await_arg_type(%arg0: f32) {12 // expected-error @+1 {{'async.await' op operand #0 must be async value type or async token type, but got 'f32'}}13 async.await %arg0 : f3214}15 16// -----17 18func.func @wrong_async_await_result_type(%arg0: !async.value<f32>) {19 // expected-error @+1 {{'async.await' op result type 'f64' does not match async value type 'f32'}}20 %0 = "async.await"(%arg0): (!async.value<f32>) -> f6421}22 23 24// -----25// expected-error @+1 {{'async.func' op result is expected to be at least of size 1, but got 0}}26async.func @wrong_async_func_void_result_type(%arg0: f32) {27 return28}29 30 31// -----32// expected-error @+1 {{'async.func' op result type must be async value type or async token type, but got 'f32'}}33async.func @wrong_async_func_result_type(%arg0: f32) -> f32 {34 return %arg0 : f3235}36 37// -----38// expected-error @+1 {{'async.func' op results' (optional) async token type is expected to appear as the 1st return value, but got 2}}39async.func @wrong_async_func_token_type_placement(%arg0: f32) -> (!async.value<f32>, !async.token) {40 return %arg0 : f3241}42 43// -----44async.func @wrong_async_func_return_type(%arg0: f32) -> (!async.token, !async.value<i32>) {45 // expected-error @+1 {{'async.return' op operand types do not match the types returned from the parent FuncOp}}46 return %arg0 : f3247}48