// RUN: %swift -assume-parsing-unqualified-ownership-sil -module-name bridge_object -emit-ir -target armv7-apple-ios8.0 %s | %FileCheck %s

// REQUIRES: CODEGENERATOR=ARM

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{{( protected)?}} swiftcc { %objc_object*, i32 } @convert_from_bridge_object
// CHECK:         [[BOBITS:%.*]] = ptrtoint [[BRIDGE:%swift.bridge\*]] %0 to i32
// CHECK:         [[MASKED_BITS:%.*]] = and i32 [[BOBITS]], -4
// CHECK:         inttoptr i32 [[MASKED_BITS]] to [[C:%objc_object\*]]
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
}