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// RUN: %target-swift-frontend -enable-experimental-feature BuiltinModule -enable-experimental-feature RawLayout -emit-sil %s | %FileCheck %s
import Builtin
@_silgen_name("init_lock")
func init_lock(_: Builtin.RawPointer)
@_silgen_name("deinit_lock")
func deinit_lock(_: Builtin.RawPointer)
@_rawLayout(size: 4, alignment: 4)
struct Lock: ~Copyable {
var _address: Builtin.RawPointer { return Builtin.addressOfBorrow(self) }
// CHECK-LABEL: // Lock.init()
// CHECK-NEXT: sil{{.*}} @[[INIT:\$.*4LockV.*fC]] :
init() {
// CHECK-NOT: destroy_addr
// CHECK: builtin "zeroInitializer"<Lock>
// CHECK-NOT: destroy_addr
// CHECK: [[F:%.*]] = function_ref @init_lock
// CHECK: apply [[F]](
// CHECK-NOT: destroy_addr
// CHECK: } // end sil function '[[INIT]]'
init_lock(_address)
}
// CHECK-LABEL: // Lock.deinit
// CHECK-NEXT: sil{{.*}} @[[DEINIT:\$.*4LockV.*fD]] :
deinit {
// CHECK-NOT: destroy_addr
// CHECK: [[F:%.*]] = function_ref @deinit_lock
// CHECK: apply [[F]](
// CHECK-NOT: destroy_addr
// CHECK: } // end sil function '[[DEINIT]]'
deinit_lock(_address)
}
}
@_silgen_name("borrow_lock")
func borrow_lock(_: borrowing Lock)
// CHECK-LABEL: sil{{.*}} @{{.*}}7useLock
public func useLock() {
// CHECK: [[L:%.*]] = alloc_stack
// CHECK-NOT: destroy_addr [[L]] :
// CHECK: [[F:%.*]] = function_ref @[[INIT]]
// CHECK: apply [[F]]([[L]],
var l = Lock()
// CHECK-NOT: destroy_addr [[L]] :
// CHECK: [[L_BORROW:%.*]] = begin_access [read] [static] [[L]] :
// CHECK: [[F:%.*]] = function_ref @borrow_lock
// CHECK: apply [[F]]([[L_BORROW]])
// CHECK: end_access [[L_BORROW]]
borrow_lock(l)
// CHECK: [[L2:%.*]] = alloc_stack
// CHECK-NOT: destroy_addr [[L2]] :
// CHECK: [[F:%.*]] = function_ref @[[INIT]]
// CHECK: apply [[F]]([[L2]],
// CHECK: [[L_INOUT:%.*]] = begin_access [modify] [static] [[L]] :
// CHECK: destroy_addr [[L]] :
// CHECK: copy_addr [take] [[L2]] to [init] [[L_INOUT]]
// CHECK: end_access [[L_INOUT]]
// CHECK-NOT: destroy_addr [[L2]] :
// CHECK: dealloc_stack [[L2]]
l = Lock()
// CHECK-NOT: destroy_addr [[L]] :
// CHECK: [[L_BORROW:%.*]] = begin_access [read] [static] [[L]] :
// CHECK: [[F:%.*]] = function_ref @borrow_lock
// CHECK: apply [[F]]([[L_BORROW]])
// CHECK: end_access [[L_BORROW]]
borrow_lock(l)
// CHECK: destroy_addr [[L]]
// CHECK: dealloc_stack [[L]]
}
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