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61 lines
2.0 KiB
Swift
61 lines
2.0 KiB
Swift
// RUN: %target-swift-emit-silgen -enforce-exclusivity=checked %s | %FileCheck %s
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class C {}
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struct A {}
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struct B { var owner: C }
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var a = A()
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// CHECK-LABEL: sil [ossa] @main : $@convention(c) (Int32, UnsafeMutablePointer<Optional<UnsafeMutablePointer<Int8>>>) -> Int32 {
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// CHECK: assign {{%.*}} to {{%.*}} : $*A
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// CHECK: destroy_value {{%.*}} : $B
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// CHECK: } // end sil function 'main'
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(a, _) = (A(), B(owner: C()))
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class D { var child: C = C() }
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// Verify that the LHS is formally evaluated before the RHS.
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// CHECK-LABEL: sil hidden [ossa] @$s10assignment5test1yyF : $@convention(thin) () -> () {
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func test1() {
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// CHECK: [[T0:%.*]] = metatype $@thick D.Type
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// CHECK: [[CTOR:%.*]] = function_ref @$s10assignment1DC{{[_0-9a-zA-Z]*}}fC
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// CHECK: [[D:%.*]] = apply [[CTOR]]([[T0]])
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// CHECK: [[T0:%.*]] = metatype $@thick C.Type
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// CHECK: [[CTOR:%.*]] = function_ref @$s10assignment1CC{{[_0-9a-zA-Z]*}}fC
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// CHECK: [[C:%.*]] = apply [[CTOR]]([[T0]]) : $@convention(method) (@thick C.Type) -> @owned C
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// CHECK: [[SETTER:%.*]] = class_method [[D]] : $D, #D.child!setter
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// CHECK: apply [[SETTER]]([[C]], [[D]])
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// CHECK: destroy_value [[D]]
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D().child = C()
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}
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// rdar://32039566
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protocol P {
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var left: Int {get set}
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var right: Int {get set}
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}
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// Verify that the access to the LHS does not begin until after the
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// RHS is formally evaluated.
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// CHECK-LABEL: sil hidden [ossa] @$s10assignment15copyRightToLeft1pyAA1P_pz_tF : $@convention(thin) (@inout P) -> () {
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func copyRightToLeft(p: inout P) {
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// CHECK: bb0(%0 : $*P):
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// CHECK: [[READ:%.*]] = begin_access [read] [unknown] %0 : $*P
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// CHECK: [[READ_OPEN:%.*]] = open_existential_addr immutable_access [[READ]]
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// CHECK: end_access [[READ]] : $*P
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// CHECK: [[WRITE:%.*]] = begin_access [modify] [unknown] %0 : $*P
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// CHECK: [[WRITE_OPEN:%.*]] = open_existential_addr mutable_access [[WRITE]]
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// CHECK: end_access [[WRITE]] : $*P
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p.left = p.right
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}
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// SR-5919
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func stupidGames() -> ((), ()) {
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return ((), ())
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}
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func assignToNestedVoid() {
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let _: ((), ()) = stupidGames()
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}
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