File: dynamic_lookup.sil

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// RUN: %target-swift-frontend -enable-objc-interop -emit-ir %s | %FileCheck %s

// REQUIRES: CPU=i386 || CPU=x86_64

import Swift
import Builtin

class X {
  @objc func f() { }
  @objc class func g() { }
  @objc var value : Int { get }
  @objc subscript (i : Int) -> Int { get }
}
sil_vtable X {}

sil @$s14dynamic_lookup1XCfD : $@convention(method) (X) -> ()

// [objc] t.X.f (t.X)() -> ()
sil @$s14dynamic_lookup1XC1fyyFTo : $@convention(objc_method) (X) -> () {
bb0(%0 : $X):
  %3 = tuple ()
  return %3 : $()
}

// [objc] X.g (ObjectiveC.X.Type)() -> ()
sil @$s14dynamic_lookup1XC1gyyFZTo : $@convention(thin) (@thick X.Type) -> () {
bb0(%0 : $@thick X.Type):
  %14 = tuple ()                                  // user: %15
  return %14 : $()
}

sil @$s14dynamic_lookup1XCyS2icigTo : $@convention(objc_method) (Int, X) -> Int {
bb0(%0 : $Int, %1 : $X):
  %4 = function_ref @$sSi33_convertFromBuiltinIntegerLiteralySiBi64_3val_tcSimF : $@convention(thin) (Builtin.Int64, @thin Int.Type) -> Int // user: %7
  %5 = metatype $@thin Int.Type
  %6 = integer_literal $Builtin.Int64, 5
  %7 = apply %4(%6, %5) : $@convention(thin) (Builtin.Int64, @thin Int.Type) -> Int // user: %9
  return %7 : $Int
}

sil @$sSi33_convertFromBuiltinIntegerLiteralySiBi64_3val_tcSimF : $@convention(thin) (Builtin.Int64, @thin Int.Type) -> Int

// [objc] dynamic_lookup.X.value.getter : Swift.Int
sil @$s14dynamic_lookup1XC5valueSivgTo : $@convention(objc_method) (X) -> Int {
bb0(%0 : $X):
  %4 = function_ref @$sSi33_convertFromBuiltinIntegerLiteralySiBi64_3val_tcSimF : $@convention(thin) (Builtin.Int64, @thin Int.Type) -> Int // user: %7
  %5 = metatype $@thin Int.Type
  %6 = integer_literal $Builtin.Int64, 5
  %7 = apply %4(%6, %5) : $@convention(thin) (Builtin.Int64, @thin Int.Type) -> Int // user: %9
  return %7 : $Int
}

// CHECK: define{{( dllexport)?}}{{( protected)?}} swiftcc void @dynamic_lookup_br(ptr %0)
sil @dynamic_lookup_br : $@convention(thin) (AnyObject) -> () {
bb0(%0 : $AnyObject):
  %1 = alloc_box $<τ_0_0> { var τ_0_0 } <AnyObject>
  %1a = project_box %1 : $<τ_0_0> { var τ_0_0 } <AnyObject>, 0
  store %0 to %1a : $*AnyObject
  %3 = alloc_box $<τ_0_0> { var τ_0_0 } <Optional<() -> ()>>
  %4 = load %1a : $*AnyObject
  strong_retain %4 : $AnyObject
  %6 = open_existential_ref %4 : $AnyObject to $@opened("01234567-89ab-cdef-0123-000000000000", AnyObject) Self

  // CHECK: [[SEL:%[0-9]+]] = load ptr, ptr @"\01L_selector(f)"
  // CHECK: [[RESPONDS:%[0-9]+]] = load ptr, ptr @"\01L_selector(respondsToSelector:)"
  // CHECK: [[HAS_SEL:%[0-9]]] = call i1 {{.*}}@objc_msgSend(ptr [[OBJECT:%[0-9]+]], ptr [[RESPONDS]], ptr [[SEL]])
  // CHECK: br i1 [[HAS_SEL]]
  dynamic_method_br %6 : $@opened("01234567-89ab-cdef-0123-000000000000", AnyObject) Self, #X.f!foreign, bb1, bb2

bb1(%8 : $@convention(objc_method) (@opened("01234567-89ab-cdef-0123-000000000000", AnyObject) Self) -> ()):
  br bb3

bb2:
  br bb3

bb3:
  strong_release %1 : $<τ_0_0> { var τ_0_0 } <AnyObject>
  strong_release %3 : $<τ_0_0> { var τ_0_0 } <Optional<() -> ()>>
  %43 = tuple ()
  return %43 : $()
}

// CHECK: define{{( dllexport)?}}{{( protected)?}} swiftcc void @dynamic_lookup_static_br(ptr %0)
sil @dynamic_lookup_static_br : $@convention(thin) (@thick AnyObject.Type) -> () {
bb0(%0 : $@thick AnyObject.Type):
  // CHECK: [[SEL:%[0-9]+]] = load ptr, ptr @"\01L_selector(g)", align {{(4|8)}}
  // CHECK: [[RESPONDS:%[0-9]+]] = load ptr, ptr @"\01L_selector(respondsToSelector:)"
  // CHECK: [[HAS_SEL:%[0-9]]] = call i1 {{.*}}@objc_msgSend(ptr [[OBJECT:%[0-9]+]], ptr [[RESPONDS]], ptr [[SEL]])
  // CHECK: br i1 [[HAS_SEL]]
  %1 = open_existential_metatype %0 : $@thick AnyObject.Type to $@thick (@opened("EF9BE7CA-DFBF-11E4-99CB-28CFE91AF28F", AnyObject) Self).Type
  dynamic_method_br %1 : $@thick (@opened("EF9BE7CA-DFBF-11E4-99CB-28CFE91AF28F", AnyObject) Self).Type, #X.g!foreign, bb1, bb2

bb1(%8 : $@convention(objc_method) (@thick (@opened("EF9BE7CA-DFBF-11E4-99CB-28CFE91AF28F", AnyObject) Self).Type) -> ()):
  br bb3

bb2:
  br bb3

bb3:
  %43 = tuple ()
  return %43 : $()
}

sil @_T1t23dynamic_lookup_propertyFT1xPSo13AnyObject__T_ : $@convention(thin) (AnyObject) -> () {
  bb0(%0 : $AnyObject):
  %1 = alloc_box $<τ_0_0> { var τ_0_0 } <AnyObject>
  %1a = project_box %1 : $<τ_0_0> { var τ_0_0 } <AnyObject>, 0
  store %0 to %1a : $*AnyObject
  %6 = load %1a : $*AnyObject                // users: %24, %8, %7
  strong_retain %6 : $AnyObject
  %8 = open_existential_ref %6 : $AnyObject to $@opened("11234567-89ab-cdef-0123-111111111111", AnyObject) Self // users: %11, %9
  dynamic_method_br %8 : $@opened("11234567-89ab-cdef-0123-111111111111", AnyObject) Self, #X.value!getter.foreign, bb1, bb2

bb1(%10 : $@convention(objc_method) (@opened("11234567-89ab-cdef-0123-111111111111", AnyObject) Self) -> Int):
  br bb3

bb2:
  br bb3

bb3:
  strong_release %1 : $<τ_0_0> { var τ_0_0 } <AnyObject>
  %43 = tuple ()
  return %43 : $()
}

// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @_T1t16opt_to_subscriptFT3objPSo13AnyObject_1iSi_T_(ptr %0, {{(i32|i64)}} %1)
sil @_T1t16opt_to_subscriptFT3objPSo13AnyObject_1iSi_T_ : $@convention(thin) (AnyObject, Int) -> () {
bb0(%0 : $AnyObject, %1 : $Int):
  %2 = alloc_box $<τ_0_0> { var τ_0_0 } <AnyObject>
  %2a = project_box %2 : $<τ_0_0> { var τ_0_0 } <AnyObject>, 0
  %3 = alloc_box $<τ_0_0> { var τ_0_0 } <Int>
  %3a = project_box %3 : $<τ_0_0> { var τ_0_0 } <Int>, 0
  store %0 to %2a : $*AnyObject
  store %1 to %3a : $*Int
  %8 = load %2a : $*AnyObject
  strong_retain %8 : $AnyObject
  %10 = open_existential_ref %8 : $AnyObject to $@opened("21234567-89ab-cdef-0123-111111111111", AnyObject) Self
  // CHECK: [[SEL:%[0-9]+]] = load ptr, ptr @"\01L_selector(objectAtIndexedSubscript:)", align {{(4|8)}}
  // CHECK: [[RESPONDS:%[0-9]+]] = load ptr, ptr @"\01L_selector(respondsToSelector:)"
  // CHECK-NEXT: [[HAS_SEL:%[0-9]+]] = call i1 {{.*}}@objc_msgSend(ptr [[OBJECT:%[0-9]+]], ptr [[RESPONDS]], ptr [[SEL]])
  // CHECK-NEXT: br i1 [[HAS_SEL]], label [[HAS_METHOD:%[0-9]+]], label [[HAS_METHOD:%[0-9]+]]

  dynamic_method_br %10 : $@opened("21234567-89ab-cdef-0123-111111111111", AnyObject) Self, #X.subscript!getter.foreign, bb1, bb2

bb1(%13 : $@convention(objc_method) (Int, @opened("21234567-89ab-cdef-0123-111111111111", AnyObject) Self) -> Int): // Preds: bb0
  %14 = partial_apply %13(%10) : $@convention(objc_method) (Int, @opened("21234567-89ab-cdef-0123-111111111111", AnyObject) Self) -> Int
  %15 = load %3a : $*Int
  %16 = apply %14(%15) : $@callee_owned (Int) -> Int
  br bb3

bb2:
  br bb3

bb3:
  strong_release %3 : $<τ_0_0> { var τ_0_0 } <Int>
  strong_release %2 : $<τ_0_0> { var τ_0_0 } <AnyObject>
  %30 = tuple ()
  return %30 : $()
}