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112 lines
2.8 KiB
Plaintext
112 lines
2.8 KiB
Plaintext
// RUN: %target-sil-opt -assume-parsing-unqualified-ownership-sil -enable-sil-verify-all %s -performance-constant-propagation | %FileCheck %s
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// REQUIRES: objc_interop
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sil_stage canonical
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import Builtin
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import Swift
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import Foundation
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@objc class ObjCClass {}
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struct Str: _ObjectiveCBridgeable {
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func _bridgeToObjectiveC() -> ObjCClass
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static func _forceBridgeFromObjectiveC(_ source: ObjCClass,
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result: inout Str?)
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static func _conditionallyBridgeFromObjectiveC(_ source: ObjCClass,
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result: inout Str?) -> Bool
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static func _unconditionallyBridgeFromObjectiveC(_ source: ObjCClass?) -> Str
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// Make it a non-trivial type
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var x: AnyObject?
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}
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// CHECK-LABEL: sil @checked_cast_with_take_always
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// CHECK: [[A:%[0-9]+]] = alloc_stack
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// CHECK: [[S:%[0-9]+]] = load %0
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// CHECK-NOT: retain
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// CHECK: [[D:%[0-9]+]] = apply %{{[0-9]+}}([[S]])
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// CHECK: release_value [[S]]
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// CHECK: store [[D]] to [[A]]
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// CHECK: bb1:
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// CHECK-NEXT: br bb3
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// CHECK: bb2:
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// CHECK-NEXT: br bb3
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// CHECK: return
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sil @checked_cast_with_take_always : $@convention(thin) (@in Str) -> ObjCClass {
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bb0(%0 : $*Str):
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%b = alloc_stack $ObjCClass
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checked_cast_addr_br take_always Str in %0 : $*Str to ObjCClass in %b : $*ObjCClass, bb1, bb2
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bb1:
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br bb3
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bb2:
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br bb3
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bb3:
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%r = load %b : $*ObjCClass
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dealloc_stack %b : $*ObjCClass
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return %r : $ObjCClass
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}
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// CHECK-LABEL: sil @checked_cast_with_take_on_success
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// CHECK: [[A:%[0-9]+]] = alloc_stack
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// CHECK: [[S:%[0-9]+]] = load %0
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// CHECK-NOT: retain
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// CHECK: [[D:%[0-9]+]] = apply %{{[0-9]+}}([[S]])
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// CHECK-NOT: release
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// CHECK: store [[D]] to [[A]]
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// CHECK: bb1:
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// CHECK-NEXT: release_value [[S]]
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// CHECK-NEXT: br bb3
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// CHECK: bb2:
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// CHECK-NEXT: br bb3
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// CHECK: return
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sil @checked_cast_with_take_on_success : $@convention(thin) (@in Str) -> ObjCClass {
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bb0(%0 : $*Str):
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%b = alloc_stack $ObjCClass
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checked_cast_addr_br take_on_success Str in %0 : $*Str to ObjCClass in %b : $*ObjCClass, bb1, bb2
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bb1:
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br bb3
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bb2:
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br bb3
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bb3:
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%r = load %b : $*ObjCClass
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dealloc_stack %b : $*ObjCClass
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return %r : $ObjCClass
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}
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// CHECK-LABEL: sil @checked_cast_with_copy_on_success
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// CHECK: [[A:%[0-9]+]] = alloc_stack
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// CHECK: [[S:%[0-9]+]] = load %0
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// CHECK: retain_value [[S]]
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// CHECK: [[D:%[0-9]+]] = apply %{{[0-9]+}}([[S]])
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// CHECK: release_value [[S]]
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// CHECK: bb1:
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// CHECK-NEXT: br bb3
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// CHECK: bb2:
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// CHECK-NEXT: br bb3
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// CHECK: return
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sil @checked_cast_with_copy_on_success : $@convention(thin) (@in Str) -> ObjCClass {
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bb0(%0 : $*Str):
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%b = alloc_stack $ObjCClass
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checked_cast_addr_br copy_on_success Str in %0 : $*Str to ObjCClass in %b : $*ObjCClass, bb1, bb2
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bb1:
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br bb3
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bb2:
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br bb3
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bb3:
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%r = load %b : $*ObjCClass
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dealloc_stack %b : $*ObjCClass
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return %r : $ObjCClass
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}
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