async-args.swift

// RUN: %target-swift-frontend %s -emit-ir -g -o - \
// RUN: -module-name M -disable-availability-checking \
// RUN: -parse-as-library | %FileCheck %s

// REQUIRES: concurrency

func use<T>(_ t:T){}
func forceSplit()async{
}
func withGenericArg<T>(_ msg:T)async{
 // This odd debug info is part of a contract with CoroSplit/CoroFrame to fix
 // this up after coroutine splitting.
 // CHECK-LABEL: {{^define .*}} @"$s1M14withGenericArgyyxYalF"(ptr swiftasync %0
 // CHECK-DAG: call void @llvm.dbg.declare(metadata ptr %0, metadata ![[MSG:[0-9]+]], metadata !DIExpression({{.*}}DW_OP_plus_uconst, {{.*}}DW_OP_deref))
 // CHECK-DAG: call void @llvm.dbg.declare(metadata ptr %0, metadata ![[TAU:[0-9]+]], metadata !DIExpression({{.*}}DW_OP_plus_uconst,

awaitforceSplit()
 // CHECK-LABEL: {{^define .*}} @"$s1M14withGenericArgyyxYalFTQ0_"(ptr swiftasync %0)
 // CHECK-DAG: call void @llvm.dbg.declare(metadata ptr %0, metadata ![[MSG_R:[0-9]+]], metadata !DIExpression({{.*}}DW_OP_plus_uconst, [[OFFSET:[0-9]+]], DW_OP_plus_uconst, {{[0-9]+}}, DW_OP_deref))
 // CHECK-DAG: call void @llvm.dbg.declare(metadata ptr %0, metadata ![[TAU_R:[0-9]+]], metadata !DIExpression({{.*}}DW_OP_deref, DW_OP_plus_uconst, [[OFFSET]], DW_OP_plus_uconst, {{[0-9]+}}))
use(msg)
}
// CHECK-LABEL: {{^define }}
@mainstructMain{
staticfunc main()async{
awaitwithGenericArg("hello (asynchronously)")
}
}
// CHECK-DAG: ![[TAU]] = !DILocalVariable(name: "$\CF\84_0_0",
// CHECK-DAG: ![[MSG]] = !DILocalVariable(name: "msg", arg: 1,
// CHECK-DAG: ![[TAU_R]] = !DILocalVariable(name: "$\CF\84_0_0",
// CHECK-DAG: ![[MSG_R]] = !DILocalVariable(name: "msg", arg: 1,