1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// RUN: %target-swift-emit-silgen %s | %FileCheck %s
class Node {
var elem: [Int64] = []
var next: Node?
}
// CHECK: sil hidden [ossa] @$s23deinit_recursive_linear4NodeCfd : $@convention(method) (@guaranteed Node) -> @owned Builtin.NativeObject {
// CHECK: [[SELF:%.*]] "self"
// CHECK: bb0([[SELF]] : @guaranteed $Node):
// CHECK: [[ELEM:%.*]] = ref_element_addr [[SELF]] : $Node, #Node.elem
// CHECK: [[ELEM_ACCESS:%.*]] = begin_access [deinit] [static] [[ELEM]] : $*Array<Int64>
// CHECK: destroy_addr [[ELEM_ACCESS]] : $*Array<Int64>
// CHECK: end_access [[ELEM_ACCESS]] : $*Array<Int64>
// CHECK: [[NIL:%.*]] = enum $Optional<Node>, #Optional.none!enumelt
// CHECK: [[SELF_NEXT:%.*]] = ref_element_addr [[SELF]] : $Node, #Node.next
// CHECK: [[ITER:%.*]] = alloc_stack $Optional<Node>
// CHECK: [[SELF_NEXT_ACCESS:%.*]] = begin_access [modify] [static] [no_nested_conflict] [[SELF_NEXT]] : $*Optional<Node>
// CHECK: [[SELF_NEXT_COPY:%.*]] = load [take] [[SELF_NEXT_ACCESS]] : $*Optional<Node>
// CHECK: store [[NIL]] to [init] [[SELF_NEXT_ACCESS]] : $*Optional<Node>
// CHECK: end_access [[SELF_NEXT_ACCESS]] : $*Optional<Node>
// CHECK: store [[SELF_NEXT_COPY]] to [init] [[ITER]] : $*Optional<Node>
// CHECK: br [[LOOPBB:bb.*]] //
// CHECK: [[LOOPBB]]:
// CHECK: [[ITER_COPY:%.*]] = load [copy] [[ITER]] : $*Optional<Node>
// CHECK: switch_enum [[ITER_COPY]] : $Optional<Node>, case #Optional.some!enumelt: [[IS_SOME_BB:bb.*]], case #Optional.none!enumelt: [[IS_NONE_BB:bb[0-9]+]]
// CHECK: [[IS_SOME_BB]]([[NODE:%.*]] : @owned $Node):
// CHECK: destroy_value [[NODE]] : $Node
// CHECK: [[IS_UNIQUE:%.*]] = is_unique [[ITER]] : $*Optional<Node>
// CHECK: cond_br [[IS_UNIQUE]], [[IS_UNIQUE_BB:bb.*]], [[NOT_UNIQUE_BB:bb[0-9]*]]
// CHECK: [[IS_UNIQUE_BB]]:
// CHECK: [[ITER_BORROW:%.*]] = load_borrow [[ITER]] : $*Optional<Node>
// CHECK: [[ITER_UNWRAPPED:%.*]] = unchecked_enum_data [[ITER_BORROW]] : $Optional<Node>, #Optional.some!enumelt
// CHECK: [[NEXT_ADDR:%.*]] = ref_element_addr [[ITER_UNWRAPPED]] : $Node, #Node.next
// CHECK: [[NEXT_ADDR_ACCESS:%.*]] = begin_access [read] [static] [no_nested_conflict] [[NEXT_ADDR]] : $*Optional<Node>
// CHECK: [[NEXT_COPY:%.*]] = load [copy] [[NEXT_ADDR_ACCESS]] : $*Optional<Node>
// CHECK: end_access [[NEXT_ADDR_ACCESS]] : $*Optional<Node>
// CHECK: end_borrow [[ITER_BORROW]] : $Optional<Node>
// CHECK: store [[NEXT_COPY]] to [assign] [[ITER]] : $*Optional<Node>
// CHECK: br [[LOOPBB]]
// CHECK: [[NOT_UNIQUE_BB]]:
// CHECK: br bb6
// CHECK: [[IS_NONE_BB]]:
// CHECK: br [[CLEAN_BB:bb[0-9]+]]
// CHECK: [[CLEAN_BB]]:
// CHECK: destroy_addr [[ITER]] : $*Optional<Node>
// CHECK: dealloc_stack [[ITER]] : $*Optional<Node>
// CHECK: [[SELF_NATIVE:%.*]] = unchecked_ref_cast [[SELF]] : $Node to $Builtin.NativeObject
// CHECK: [[SELF_NATIVE_OWNED:%.*]] = unchecked_ownership_conversion [[SELF_NATIVE]] : $Builtin.NativeObject, @guaranteed to @owned
// CHECK: return [[SELF_NATIVE_OWNED]] : $Builtin.NativeObject
// CHECK: } // end sil function '$s23deinit_recursive_linear4NodeCfd'
|
