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// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -enable-experimental-feature Embedded -parse-as-library %s -c -o %t/a.o -g -O
// RUN: %target-clang -x c -std=c11 -c %S/Inputs/debug-malloc.c -o %t/debug-malloc.o -g
// RUN: %target-clang %t/a.o %t/debug-malloc.o -o %t/a.out -L%swift_obj_root/lib/swift/embedded/%target-cpu-apple-macos -lswift_Concurrency -lswift_ConcurrencyDefaultExecutor -dead_strip -g
// RUN: %target-run %t/a.out | %FileCheck %s
// REQUIRES: executable_test
// REQUIRES: swift_in_compiler
// REQUIRES: optimized_stdlib
// REQUIRES: OS=macosx
// REQUIRES: swift_feature_Embedded
import _Concurrency
@main
struct Main {
static func main() async {
print("start")
// CHECK: start
do {
let x = Task {
return 42
}
_ = await x.value
}
// There should be exactly 5 allocations involved:
// - 2x 32 bytes ... closure context for swift_task_create, closure object to pass to Task.init
// - 1x 320 bytes ... malloc(amountToAllocate) in swift_task_create_common for the Task heap object itself
// - 1x 1016 bytes ... the initial StackAllocator slab in the task-specific allocator
// - 1x 40 bytes ... task status record
// Check that they are all accounted for and free'd.
// CHECK: malloc({{[0-9]+}})-> [[M1:0x[0-9a-f]+]]
// CHECK: malloc({{[0-9]+}})-> [[M2:0x[0-9a-f]+]]
// CHECK: malloc({{[0-9]+}})-> [[M3:0x[0-9a-f]+]]
// CHECK: malloc({{[0-9]+}})-> [[M4:0x[0-9a-f]+]]
// CHECK: free([[M1]])
// CHECK: free([[M2]])
// CHECK: malloc({{[0-9]+}})-> [[M5:0x[0-9a-f]+]]
// CHECK: free([[M5]])
// CHECK: free([[M4]])
// CHECK: free([[M3]])
print("done")
// CHECK: done
}
}
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