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165 lines
7.2 KiB
Swift
165 lines
7.2 KiB
Swift
// RUN: %target-swift-frontend -emit-silgen -enable-sil-ownership %s | %FileCheck %s
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class C {}
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enum Foo {
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case X(C, Int)
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}
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// <rdar://problem/16020428>
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// CHECK-LABEL: sil hidden @_T06tuples8matchFoo1xyAA0C0O_tF
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func matchFoo(x x: Foo) {
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switch x {
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case .X(let x):
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()
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}
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}
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protocol P { func foo() }
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struct A : P { func foo() {} }
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func make_int() -> Int { return 0 }
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func make_p() -> P { return A() }
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func make_xy() -> (x: Int, y: P) { return (make_int(), make_p()) }
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// CHECK-LABEL: sil hidden @_T06tuples17testShuffleOpaqueyyF
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func testShuffleOpaque() {
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// CHECK: [[X:%.*]] = alloc_box ${ var P }
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// CHECK-NEXT: [[PBX:%.*]] = project_box [[X]]
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// CHECK: [[Y:%.*]] = alloc_box ${ var Int }
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// CHECK-NEXT: [[PBY:%.*]] = project_box [[Y]]
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// CHECK: [[T0:%.*]] = function_ref @_T06tuples7make_xySi1x_AA1P_p1ytyF
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// CHECK-NEXT: [[T1:%.*]] = apply [[T0]]([[PBX]])
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// CHECK-NEXT: store [[T1]] to [trivial] [[PBY]]
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var (x,y) : (y:P, x:Int) = make_xy()
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// CHECK-NEXT: [[PAIR:%.*]] = alloc_box ${ var (y: P, x: Int) }
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// CHECK-NEXT: [[PBPAIR:%.*]] = project_box [[PAIR]]
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// CHECK-NEXT: [[PAIR_0:%.*]] = tuple_element_addr [[PBPAIR]] : $*(y: P, x: Int), 0
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// CHECK-NEXT: [[PAIR_1:%.*]] = tuple_element_addr [[PBPAIR]] : $*(y: P, x: Int), 1
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// CHECK-NEXT: // function_ref
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// CHECK-NEXT: [[T0:%.*]] = function_ref @_T06tuples7make_xySi1x_AA1P_p1ytyF
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// CHECK-NEXT: [[T1:%.*]] = apply [[T0]]([[PAIR_0]])
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// CHECK-NEXT: store [[T1]] to [trivial] [[PAIR_1]]
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var pair : (y:P, x:Int) = make_xy()
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// CHECK-NEXT: [[TEMP:%.*]] = alloc_stack $P
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// CHECK-NEXT: // function_ref
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// CHECK-NEXT: [[T0:%.*]] = function_ref @_T06tuples7make_xySi1x_AA1P_p1ytyF
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// CHECK-NEXT: [[T1:%.*]] = apply [[T0]]([[TEMP]])
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// CHECK-NEXT: [[WRITE:%.*]] = begin_access [modify] [unknown] [[PBPAIR]] : $*(y: P, x: Int)
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// CHECK-NEXT: [[PAIR_0:%.*]] = tuple_element_addr [[WRITE]] : $*(y: P, x: Int), 0
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// CHECK-NEXT: copy_addr [take] [[TEMP]] to [[PAIR_0]]
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// CHECK-NEXT: [[PAIR_1:%.*]] = tuple_element_addr [[WRITE]] : $*(y: P, x: Int), 1
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// CHECK-NEXT: assign [[T1]] to [[PAIR_1]]
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// CHECK-NEXT: end_access [[WRITE]] : $*(y: P, x: Int)
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// CHECK-NEXT: dealloc_stack [[TEMP]]
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pair = make_xy()
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}
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// CHECK-LABEL: testShuffleTuple
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func testShuffleTuple() {
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// CHECK: [[X:%.*]] = alloc_box ${ var P }
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// CHECK-NEXT: [[PBX:%.*]] = project_box [[X]]
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// CHECK: [[Y:%.*]] = alloc_box ${ var Int }
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// CHECK-NEXT: [[PBY:%.*]] = project_box [[Y]]
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// CHECK: [[T0:%.*]] = function_ref @_T06tuples8make_intSiyF
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// CHECK-NEXT: [[T1:%.*]] = apply [[T0]]()
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// CHECK-NEXT: store [[T1]] to [trivial] [[PBY]]
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// CHECK-NEXT: // function_ref
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// CHECK-NEXT: [[T0:%.*]] = function_ref @_T06tuples6make_pAA1P_pyF
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// CHECK-NEXT: apply [[T0]]([[PBX]])
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var (x,y) : (y:P, x:Int) = (x: make_int(), y: make_p())
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// CHECK-NEXT: [[PAIR:%.*]] = alloc_box ${ var (y: P, x: Int) }
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// CHECK-NEXT: [[PBPAIR:%.*]] = project_box [[PAIR]]
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// CHECK-NEXT: [[PAIR_0:%.*]] = tuple_element_addr [[PBPAIR]] : $*(y: P, x: Int), 0
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// CHECK-NEXT: [[PAIR_1:%.*]] = tuple_element_addr [[PBPAIR]] : $*(y: P, x: Int), 1
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// CHECK-NEXT: // function_ref
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// CHECK: [[T0:%.*]] = function_ref @_T06tuples8make_intSiyF
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// CHECK-NEXT: [[T1:%.*]] = apply [[T0]]()
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// CHECK-NEXT: store [[T1]] to [trivial] [[PAIR_1]]
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// CHECK-NEXT: // function_ref
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// CHECK-NEXT: [[T0:%.*]] = function_ref @_T06tuples6make_pAA1P_pyF
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// CHECK-NEXT: apply [[T0]]([[PAIR_0]])
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var pair : (y:P, x:Int) = (x: make_int(), y: make_p())
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// This isn't really optimal; we should be evaluating make_p directly
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// into the temporary.
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// CHECK-NEXT: // function_ref
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// CHECK: [[T0:%.*]] = function_ref @_T06tuples8make_intSiyF
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// CHECK-NEXT: [[INT:%.*]] = apply [[T0]]()
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// CHECK-NEXT: [[TEMP:%.*]] = alloc_stack $P
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// CHECK-NEXT: // function_ref
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// CHECK-NEXT: [[T0:%.*]] = function_ref @_T06tuples6make_pAA1P_pyF
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// CHECK-NEXT: apply [[T0]]([[TEMP]])
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// CHECK-NEXT: [[WRITE:%.*]] = begin_access [modify] [unknown] [[PBPAIR]] : $*(y: P, x: Int)
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// CHECK-NEXT: [[PAIR_0:%.*]] = tuple_element_addr [[WRITE]] : $*(y: P, x: Int), 0
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// CHECK-NEXT: copy_addr [take] [[TEMP]] to [[PAIR_0]]
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// CHECK-NEXT: [[PAIR_1:%.*]] = tuple_element_addr [[WRITE]] : $*(y: P, x: Int), 1
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// CHECK-NEXT: assign [[INT]] to [[PAIR_1]]
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// CHECK-NEXT: end_access [[WRITE]] : $*(y: P, x: Int)
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// CHECK-NEXT: dealloc_stack [[TEMP]]
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pair = (x: make_int(), y: make_p())
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}
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enum GenericEnum<T> {
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case one(T)
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static var callback: (T) -> Void { fatalError() }
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}
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// CHECK-LABEL: _T06tuples16testTupleUnsplatyyF
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func testTupleUnsplat() {
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// CHECK: debug_value [[X:%.+]] : $Int, let, name "x"
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// CHECK: debug_value [[Y:%.+]] : $Int, let, name "y"
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let x = 1, y = 2
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// CHECK: [[TUPLE:%.+]] = tuple ([[X]] : $Int, [[Y]] : $Int)
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// CHECK: enum $GenericEnum<(Int, Int)>, #GenericEnum.one!enumelt.1, [[TUPLE]]
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_ = GenericEnum<(Int, Int)>.one((x, y))
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// CHECK: [[TUPLE:%.+]] = tuple ([[X]] : $Int, [[Y]] : $Int)
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// CHECK: enum $GenericEnum<(Int, Int)>, #GenericEnum.one!enumelt.1, [[TUPLE]]
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_ = GenericEnum<(Int, Int)>.one(x, y)
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// CHECK: [[THUNK:%.+]] = function_ref @_T0Si_SitIegi_S2iIegyy_TR
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// CHECK: [[REABSTRACTED:%.+]] = partial_apply [callee_guaranteed] [[THUNK]]({{%.+}})
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// CHECK: [[BORROW:%.*]] = begin_borrow [[REABSTRACTED]]
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// CHECK: apply [[BORROW]]([[X]], [[Y]])
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_ = GenericEnum<(Int, Int)>.callback((x, y))
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// CHECK: [[THUNK:%.+]] = function_ref @_T0Si_SitIegi_S2iIegyy_TR
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// CHECK: [[REABSTRACTED:%.+]] = partial_apply [callee_guaranteed] [[THUNK]]({{%.+}})
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// CHECK: [[BORROW:%.*]] = begin_borrow [[REABSTRACTED]]
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// CHECK: apply [[BORROW]]([[X]], [[Y]])
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_ = GenericEnum<(Int, Int)>.callback(x, y)
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} // CHECK: end sil function '_T06tuples16testTupleUnsplatyyF'
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// Make sure that we use a load_borrow instead of a load [take] when RValues are
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// formed with isGuaranteed set.
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extension P {
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// CHECK-LABEL: sil hidden @_T06tuples1PPAAE12immutableUse5tupleyAA1CC5index_x5valuet_tFZ
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// CHECK: bb0([[TUP0:%.*]] : @owned $C, [[TUP1:%.*]] : @trivial $*Self
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// Allocate space for the RValue.
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// CHECK: [[RVALUE:%.*]] = alloc_stack $(index: C, value: Self), let, name "tuple"
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//
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// Initialize the RValue. (This is here to help pattern matching).
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// CHECK: [[ZERO_ADDR:%.*]] = tuple_element_addr [[RVALUE]] : $*(index: C, value: Self), 0
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// CHECK: store [[TUP0]] to [init] [[ZERO_ADDR]]
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// CHECK: [[ONE_ADDR:%.*]] = tuple_element_addr [[RVALUE]] : $*(index: C, value: Self), 1
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// CHECK: copy_addr [take] [[TUP1]] to [initialization] [[ONE_ADDR]]
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//
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// What we are actually trying to check. Note that there is no actual use of
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// LOADED_CLASS. This is b/c of the nature of the RValue we are working with.
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// CHECK: [[ZERO_ADDR:%.*]] = tuple_element_addr [[RVALUE]] : $*(index: C, value: Self), 0
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// CHECK: [[LOADED_CLASS:%.*]] = load_borrow [[ZERO_ADDR]]
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// CHECK: [[ONE_ADDR:%.*]] = tuple_element_addr [[RVALUE]] : $*(index: C, value: Self), 1
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// CHECK: apply {{.*}}([[ONE_ADDR]]) : $@convention(witness_method: P)
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// CHECK: end_borrow [[LOADED_CLASS]] from [[ZERO_ADDR]]
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// CHECK: destroy_addr [[RVALUE]]
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// CHECK: dealloc_stack [[RVALUE]]
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public static func immutableUse(tuple: (index: C, value: Self)) -> () {
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return tuple.value.foo()
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}
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}
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