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// RUN: %swift -module-name bridge_object -emit-ir -disable-legacy-type-info -target arm64-apple-ios8.0 %s | %FileCheck %s
// REQUIRES: CODEGENERATOR=AArch64
sil_stage canonical
import Builtin
class C {}
sil_vtable C {}
@objc protocol ObjC {}
sil @retain_release_bridge_object : $(Builtin.BridgeObject) -> () {
entry(%b : $Builtin.BridgeObject):
strong_retain %b : $Builtin.BridgeObject
strong_release %b : $Builtin.BridgeObject
return undef : $()
}
sil @convert_to_bridge_object : $(C, Builtin.Word) -> Builtin.BridgeObject {
entry(%c : $C, %w : $Builtin.Word):
%b = ref_to_bridge_object %c : $C, %w : $Builtin.Word
return %b : $Builtin.BridgeObject
}
// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc { ptr, i64 } @convert_from_bridge_object
// CHECK: [[BOBITS:%.*]] = ptrtoint ptr %0 to i64
// -- 0x8000_0000_0000_0000
// CHECK: [[TAGBITS:%.*]] = and i64 [[BOBITS]], -9223372036854775808
// CHECK: [[TAGGED:%.*]] = icmp eq i64 [[TAGBITS]], 0
// CHECK: br i1 [[TAGGED]], label %not-tagged-pointer, label %tagged-pointer
// CHECK: tagged-pointer:
// CHECK: br label %tagged-cont
// CHECK: not-tagged-pointer:
// -- 0x0fff_ffff_ffff_fff8
// CHECK: [[MASKED_BITS:%.*]] = and i64 [[BOBITS]], 1152921504606846968
// CHECK: [[MASKED_RESULT:%.*]] = inttoptr i64 [[MASKED_BITS]] to ptr
// CHECK: br label %tagged-cont
// CHECK: tagged-cont:
// CHECK: phi ptr [ %0, %tagged-pointer ], [ [[MASKED_RESULT]], %not-tagged-pointer ]
sil @convert_from_bridge_object : $(Builtin.BridgeObject) -> (ObjC, Builtin.Word) {
entry(%b : $Builtin.BridgeObject):
%c = bridge_object_to_ref %b : $Builtin.BridgeObject to $ObjC
%w = bridge_object_to_word %b : $Builtin.BridgeObject to $Builtin.Word
%t = tuple (%c : $ObjC, %w : $Builtin.Word)
return %t : $(ObjC, Builtin.Word)
}
sil @convert_from_native_bridge_object : $(Builtin.BridgeObject) -> C {
entry(%b : $Builtin.BridgeObject):
%c = bridge_object_to_ref %b : $Builtin.BridgeObject to $C
return %c : $C
}
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