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45 lines
1.6 KiB
Swift
45 lines
1.6 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -enable-experimental-feature Embedded -parse-as-library %s -c -o %t/a.o -g -O
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// RUN: %target-clang -x c -std=c11 -c %S/Inputs/debug-malloc.c -o %t/debug-malloc.o -g
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// 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
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// RUN: %target-run %t/a.out | %FileCheck %s
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// REQUIRES: executable_test
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// REQUIRES: swift_in_compiler
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// REQUIRES: optimized_stdlib
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// REQUIRES: OS=macosx
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// REQUIRES: swift_feature_Embedded
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import _Concurrency
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@main
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struct Main {
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static func main() async {
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print("start")
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// CHECK: start
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do {
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let x = Task {
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return 42
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}
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_ = await x.value
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}
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// There should be exactly 4 allocations involved:
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// - 2x 32 bytes ... closure context for swift_task_create, closure object to pass to Task.init
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// - 1x 320 bytes ... malloc(amountToAllocate) in swift_task_create_common for the Task heap object itself
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// - 1x 1016 bytes ... the initial StackAllocator slab in the task-specific allocator
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// Check that they are all accounted for and free'd.
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// CHECK: malloc({{[0-9]+}})-> [[M1:0x[0-9a-f]+]]
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// CHECK: malloc({{[0-9]+}})-> [[M2:0x[0-9a-f]+]]
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// CHECK: malloc({{[0-9]+}})-> [[M3:0x[0-9a-f]+]]
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// CHECK: malloc({{[0-9]+}})-> [[M4:0x[0-9a-f]+]]
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// CHECK: free([[M1]])
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// CHECK: free([[M2]])
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// CHECK: free([[M4]])
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// CHECK: free([[M3]])
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print("done")
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// CHECK: done
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}
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}
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