// RUN: %target-sil-opt -assume-parsing-unqualified-ownership-sil -enable-sil-verify-all=true %s | %target-sil-opt -assume-parsing-unqualified-ownership-sil -enable-sil-verify-all=true | %FileCheck %s

sil_stage raw // CHECK: sil_stage raw

import Builtin
import Swift

// CHECK: sil_global private @globalinit_token0 : $Builtin.Word
sil_global private @globalinit_token0 : $Builtin.Word

class TestArrayStorage {
  @sil_stored var count: Int32
  init()
}

struct TestArray {
  var storage : TestArrayStorage
}

struct TestArray2 {
  var storage : TestArrayStorage
  var someValue : Int32
  var storage2 : TestArrayStorage
}

// CHECK-LABEL: sil_global @static_array : $TestArrayStorage = {
// CHECK:         %initval = object $TestArrayStorage (%3 : $Int32, [tail_elems] %4 : $Int64, %5 : $Int64)
// CHECK-NEXT:  }
sil_global @static_array : $TestArrayStorage = {
  %0 = integer_literal $Builtin.Int32, 2
  %1 = integer_literal $Builtin.Int64, 10
  %2 = integer_literal $Builtin.Int64, 20
  %3 = struct $Int32 (%0 : $Builtin.Int32)
  %4 = struct $Int64 (%1 : $Builtin.Int64)
  %5 = struct $Int64 (%2 : $Builtin.Int64)
  %initval = object $TestArrayStorage (%3 : $Int32, [tail_elems] %4 : $Int64, %5 : $Int64)
}

// Type references

// Some cyclic type references between SIL function bodies.
class Class1 {
  var a : Class2
  init()
}
class Class2 {
  var b : Class1
  init()
}

sil @type_ref1 : $(Class1, Int) -> ()  // CHECK-LABEL: sil @type_ref1 : $@convention(thin) (Class1, Int)

// Instructions

sil @test1 : $() -> () {              // CHECK-LABEL: sil @test1 : $@convention(thin) () -> ()
bb0:                                  // CHECK: bb0:
  %0 = tuple ()                       // CHECK:   %0 = tuple ()
  br bb1                              // CHECK:   br bb1
bb1:
  %b = alloc_box $<τ_0_0> { var τ_0_0 } <Int>               // CHECK:   %2 = alloc_box $<τ_0_0> { var τ_0_0 } <Int>
  %c = integer_literal $Builtin.Word, 1
  // CHECK: integer_literal $Builtin.Word, -1
  %e = integer_literal $Builtin.Word, -1
  return %0 : $()                     // CHECK:   return %0 : $()
}

// Forward referenced values.
sil @test2 : $(Int) -> () {               // CHECK-LABEL: sil @test2 : $@convention(thin) (Int) -> ()
bb0(%0 : $Int):
  br bb2
bb1:
  // Forward reference MRVs.
  store %0 to %7 : $*Int                     // CHECK:   store %0 to %7
  strong_release %6 : $<τ_0_0> { var τ_0_0 } <Int>              // CHECK:   strong_release %6

  return %5 : $()                              // CHECK:   return %5 : $()
bb2:
  %5 = tuple ()                                // CHECK:   %5 = tuple ()
  %6 = alloc_box $<τ_0_0> { var τ_0_0 } <Int>                          // CHECK:   %6 = alloc_box $<τ_0_0> { var τ_0_0 } <Int>
  %7 = project_box %6 : $<τ_0_0> { var τ_0_0 } <Int>, 0           // CHECK:   %7 = project_box %6 : $<τ_0_0> { var τ_0_0 } <Int>

  br bb1                                       // CHECK:   br bb1
}

sil @named_tuple : $() -> (Builtin.Word, Builtin.Word) {
  %0 = integer_literal $Builtin.Word, 42      // CHECK: integer_literal $Builtin.Word, 42
  %9 = tuple $(Builtin.Word, Builtin.Word) (%0, %0)
  return %9 : $(Builtin.Word, Builtin.Word)
}

sil @return_int : $@convention(thin) (Int) -> Int { // CHECK: $@convention(thin) (Int) -> Int {
bb0(%0 : $Int):                          // CHECK: bb0(%0 : $Int):
  %1 = alloc_stack $Int                  // CHECK: alloc_stack $Int
  store %0 to %1 : $*Int               // CHECK: store %0 to %1 : $*Int
  %3 = load %1 : $*Int                 // CHECK: load {{.*}} : $*Int
  dealloc_stack %1 : $*Int // CHECK: dealloc_stack {{.*}} : $*Int
  return %3 : $Int                       // CHECK: return {{.*}} : $Int
}

sil @call_fn_pointer : $@convention(thin) (() -> Int) -> Int {
bb0(%0 : $() -> Int):
  %1 = alloc_stack $() -> Int            // CHECK: alloc_stack $() -> Int
  store %0 to %1 : $*() -> Int         // CHECK: store %0 to %1 : $*() -> Int
  %3 = load %1 : $*() -> Int             // CHECK: load %1 : $*() -> Int
  strong_retain %3 : $() -> Int                 // CHECK: strong_retain %3 : $() -> Int
  %5 = apply %3() : $() -> Int           // CHECK: apply %3() : $() -> Int
  %6 = load %1 : $*() -> Int             // CHECK: load %1 : $*() -> Int
  strong_release %3 : $() -> Int                // CHECK: release {{.*}} : $() -> Int
  dealloc_stack %1 : $*() -> Int // CHECK: dealloc_stack %1 : $*() -> Int
  return %5 : $Int                       // CHECK: return %5 : $Int
}

sil @return_constant : $@convention(thin) () -> Int {  // CHECK-LABEL: @return_constant
bb0:                                         // CHECK: bb0:
  // CHECK: function_ref @_TSi25convertFromIntegerLiteralfMSiFT3valBi64__Si : $@convention(thin) (Builtin.Word, @thin Int.Type) -> Int
  %1 = function_ref @_TSi25convertFromIntegerLiteralfMSiFT3valBi64__Si : $@convention(thin) (Builtin.Word, @thin Int.Type) -> Int

  // CHECK: metatype $@thin Int.Type
  %2 = metatype $@thin Int.Type

  // CHECK: integer_literal $Builtin.Word, 1
  %3 = integer_literal $Builtin.Word, 1

  // CHECK: apply
  %4 = apply %1(%3, %2) : $@convention(thin) (Builtin.Word, @thin Int.Type) -> Int
  // CHECK: return
  return %4 : $Int
}

sil @_TSi25convertFromIntegerLiteralfMSiFT3valBi64__Si : $@convention(thin) (Builtin.Word, @thin Int.Type) -> Int

// Parse SIL generated from the following swift program:
// func x(a : Bool) -> Int { if a { return 4 } else {return 5} }
sil @_TSb13getLogicValuefRSbFT_Bi1_ : $@convention(method) (@inout Bool) -> Builtin.Int1
sil @_TSi33_convertFromBuiltinIntegerLiteralfMSiFT3valBi128__Si : $@convention(thin) (Builtin.Int128, @thin Int.Type) -> Int

// CHECK-LABEL: @_T4test1xFT1aSb_Si
sil @_T4test1xFT1aSb_Si : $@convention(thin) (Bool) -> Int {
// CHECK: bb0(%0 : $Bool):
bb0(%0 : $Bool):
  // CHECK: alloc_stack $Bool
  %1 = alloc_stack $Bool
  // CHECK: store
  store %0 to %1 : $*Bool
  // CHECK: function_ref @_TSb13getLogicValuefRSbFT_Bi1_ : $@convention(method) (@inout Bool) -> Builtin.Int1
  %3 = function_ref @_TSb13getLogicValuefRSbFT_Bi1_ : $@convention(method) (@inout Bool) -> Builtin.Int1
  // CHECK: apply
  %4 = apply %3(%1) : $@convention(method) (@inout Bool) -> Builtin.Int1
  // CHECK: cond_br
  cond_br %4, bb1, bb2

// CHECK: bb1:
bb1:
  // CHECK: function_ref @_TSi33_convertFromBuiltinIntegerLiteralfMSiFT3valBi128__Si : $@convention(thin) (Builtin.Int128, @thin Int.Type) -> Int
  %6 = function_ref @_TSi33_convertFromBuiltinIntegerLiteralfMSiFT3valBi128__Si : $@convention(thin) (Builtin.Int128, @thin Int.Type) -> Int
  // CHECK: metatype $@thin Int.Type
  %7 = metatype $@thin Int.Type
  // CHECK: integer_literal $Builtin.Int128, 4
  %8 = integer_literal $Builtin.Int128, 4
  // CHECK: apply
  %9 = apply %6(%8, %7) : $@convention(thin) (Builtin.Int128, @thin Int.Type) -> Int
  // CHECK: dealloc_stack
  dealloc_stack %1 : $*Bool
  // CHECK: br
  br bb3(%9 : $Int)

// CHECK: bb2:
bb2:
  // CHECK: function_ref @_TSi33_convertFromBuiltinIntegerLiteralfMSiFT3valBi128__Si : $@convention(thin) (Builtin.Int128, @thin Int.Type) -> Int
  %12 = function_ref @_TSi33_convertFromBuiltinIntegerLiteralfMSiFT3valBi128__Si : $@convention(thin) (Builtin.Int128, @thin Int.Type) -> Int
  // CHECK: metatype $@thin Int.Type
  %13 = metatype $@thin Int.Type
  // CHECK: integer_literal $Builtin.Int128, 5
  %14 = integer_literal $Builtin.Int128, 5
  // CHECK: apply
  %15 = apply %12(%14, %13) : $@convention(thin) (Builtin.Int128, @thin Int.Type) -> Int
  // CHECK: dealloc_stack
  dealloc_stack %1 : $*Bool
  // CHECK: br
  br bb3(%15 : $Int)

bb3(%17 : $Int):
  // CHECK: return
  return %17 : $Int
}


protocol P {
  func doIt()
}

sil @existentials : $@convention(thin) (@in P) -> () {
bb0(%0 : $*P):
  // CHECK: open_existential_addr mutable_access %0
  %1 = open_existential_addr mutable_access %0 : $*P to $*@opened("01234567-89ab-cdef-0123-000000000000") P

  // CHECK: witness_method ${{.*}}, #P.doIt!1
  %2 = witness_method $@opened("01234567-89ab-cdef-0123-000000000000") P, #P.doIt!1, %1 : $*@opened("01234567-89ab-cdef-0123-000000000000") P : $@convention(witness_method: P) <T: P> (@inout T) -> ()
  // Make sure we have the correct scope for generic parameters.
  // CHECK: witness_method $@opened("{{.*}}") P, #P.doIt!1
  %7 = witness_method $@opened("01234567-89ab-cdef-0123-000000000000") P, #P.doIt!1, %1 : $*@opened("01234567-89ab-cdef-0123-000000000000") P : $@convention(witness_method: P) <T: P> (@inout T) -> ()
  // CHECK: apply
  %3 = apply %2<@opened("01234567-89ab-cdef-0123-000000000000") P>(%1) : $@convention(witness_method: P) <T: P> (@inout T) -> ()
  %4 = tuple ()                       // CHECK: tuple ()

  // CHECK: open_existential_addr immutable_access
  %5 = open_existential_addr immutable_access %0 : $*P to $*@opened("01234567-89ab-cdef-0123-000000000001") P
  %6 = witness_method $@opened("01234567-89ab-cdef-0123-000000000001") P, #P.doIt!1, %5 : $*@opened("01234567-89ab-cdef-0123-000000000001") P : $@convention(witness_method: P) <T: P> (@in_guaranteed T) -> ()
  %8 = apply %6<@opened("01234567-89ab-cdef-0123-000000000001") P>(%5) : $@convention(witness_method: P) <T: P> (@in_guaranteed T) -> ()

  destroy_addr %0 : $*P          // CHECK: destroy_addr %0 : $*P
  return %4 : $()                // CHECK: return
}


class C {
  func doIt() {}
}

class D : C {
  override func doIt() {
    super.doIt()
  }
}


sil @classes : $@convention(thin) () -> () {
bb0:
  // CHECK: %0 = alloc_ref $C
  %C = alloc_ref $C
  // CHECK: unchecked_ref_cast %0 : $C to $Builtin.NativeObject
  %1 = unchecked_ref_cast %C : $C to $Builtin.NativeObject
  // CHECK: unchecked_ref_cast %0 : $C to $Builtin.UnknownObject
  %O = unchecked_ref_cast %C : $C to $Builtin.UnknownObject

  // CHECK: class_method {{.*}} : $C, #C.doIt!1
  %2 = class_method %C : $C, #C.doIt!1 : (C) -> () -> (), $@convention(method) (@guaranteed C) -> ()

  // CHECK: alloc_ref $D
  %D = alloc_ref $D

  // CHECK: upcast {{.*}} : $D to $C
  %a = upcast %D : $D to $C


  %5 = unconditional_checked_cast %C : $C to $D   // CHECK: unconditional_checked_cast
  %6 = tuple ()
  return %6 : $()
}

sil @optional_upcasts : $@convention(thin) (Optional<D>) -> () {
bb0(%0: $Optional<D>):
  // CHECK: upcast {{.*}} : $Optional<D> to $Optional<C>
  %1 = upcast %0 : $Optional<D> to $Optional<C>
  %2 = tuple ()
  return %2 : $()
}


// Generated from:
// func archetype_member_ref<T:Runcible>(x:T) {
//   x.free_method()
//   T.static_method()
// }

protocol Runcible {
  var free:Int { get }

  func free_method() -> Int
  static func static_method()
}

// CHECK: $@convention(thin) <T where T : Runcible> (@in T) -> ()
sil @_T4arch20archetype_member_refUS_8Runcible___FT1xQ__T_ : $@convention(thin) <T : Runcible> (@in T) -> () {
bb0(%0 : $*T):
  // CHECK: witness_method $T, #Runcible.free_method!1
  %1 = witness_method $T, #Runcible.free_method!1 : $@convention(witness_method: Runcible) <Self : Runcible> (@in Self) -> Int
  %2 = apply %1<T>(%0) : $@convention(witness_method: Runcible) <Self : Runcible> (@in Self) -> Int
  %3 = metatype $@thick T.Type
  // CHECK: witness_method $T, #Runcible.static_method!1
  %4 = witness_method $T, #Runcible.static_method!1 : $@convention(witness_method: Runcible) <Self : Runcible> (@thick T.Type) -> ()
  %5 = apply %4<T>(%3) : $@convention(witness_method: Runcible) <Self : Runcible> (@thick T.Type) -> ()
  %6 = tuple ()
  destroy_addr %0 : $*T
  return %6 : $()
}

protocol Bendable { }

// CHECK: $@convention(thin) (@in Bendable & Runcible) -> @out Runcible
sil @_T4todo18erasure_from_protoFT1xPS_8RuncibleS_8Bendable__PS0__ : $@convention(thin) (@in Bendable & Runcible) -> @out Runcible {
bb0(%0 : $*Runcible, %1 : $*Bendable & Runcible):
  // CHECK: alloc_box
  %2 = alloc_box $<τ_0_0> { var τ_0_0 } <Bendable & Runcible>
  %2a = project_box %2 : $<τ_0_0> { var τ_0_0 } <Bendable & Runcible>, 0
  // CHECK: copy_addr [take] {{.*}} to [initialization] {{.*}} : $*Bendable & Runcible
  copy_addr [take] %1 to [initialization] %2a : $*Bendable & Runcible
  // CHECK: alloc_stack
  %4 = alloc_stack $Bendable & Runcible
  // CHECK: copy_addr {{.*}} to [initialization] {{.*}} : $*Bendable & Runcible
  copy_addr %2a to [initialization] %4 : $*Bendable & Runcible
  %7 = tuple ()
  // CHECK: destroy_addr
  destroy_addr %4 : $*Bendable & Runcible
  // CHECK: dealloc_stack
  dealloc_stack %4 : $*Bendable & Runcible
  // CHECK: release
  strong_release %2 : $<τ_0_0> { var τ_0_0 } <Bendable & Runcible>
  // CHECK: return
  return %7 : $()
}

protocol ClassBound : class {
  func classBoundMethod()
}

// CHECK: $@convention(thin) (ClassBound) -> ()
sil @_T4todo18class_bound_methodFT1xPS_10ClassBound__T_ : $@convention(thin) (ClassBound) -> () {
bb0(%0 : $ClassBound):
  %1 = alloc_box $<τ_0_0> { var τ_0_0 } <ClassBound>                // CHECK: alloc_box
  %1a = project_box %1 : $<τ_0_0> { var τ_0_0 } <ClassBound>, 0
  store %0 to %1a : $*ClassBound      // CHECK: store
  %3 = load %1a : $*ClassBound             // CHECK: load
  strong_retain %3 : $ClassBound              // CHECK: strong_retain
  // CHECK: open_existential_ref {{%.*}} : $ClassBound to $@opened({{.*}}) ClassBound
  %5 = open_existential_ref %3 : $ClassBound to $@opened("01234567-89ab-cdef-0123-111111111111") ClassBound
  // CHECK: witness_method
  %6 = witness_method $@opened("01234567-89ab-cdef-0123-111111111111") ClassBound, #ClassBound.classBoundMethod!1, %5 : $@opened("01234567-89ab-cdef-0123-111111111111") ClassBound : $@convention(witness_method: ClassBound) <T: ClassBound> (T) -> ()
  %7 = apply %6<@opened("01234567-89ab-cdef-0123-111111111111") ClassBound>(%5) : $@convention(witness_method: ClassBound) <T: ClassBound> (T) -> ()
  %8 = tuple ()
  strong_release %1 : $<τ_0_0> { var τ_0_0 } <ClassBound>
  return %8 : $()
}

struct Val {
}

// CHECK: $@convention(thin) (@thin Val.Type) -> Val
sil @_TV4todo3ValCfMS0_FT_S0_ : $@convention(thin) (@thin Val.Type) -> Val {
bb0(%0 : $@thin Val.Type):
  %1 = alloc_stack $Val // CHECK: alloc_stack
  %3 = load %1 : $*Val
  dealloc_stack %1 : $*Val
  return %3 : $Val
}

class Ref {
}
struct Aleph {
  var a:Ref
  var b:Val
}

// CHECK: $@convention(thin) (Ref, Val, @thin Aleph.Type) -> Aleph
sil @_TV6struct5AlephCfMS0_FT1aCS_3Ref1bVS_3Val_S0_ : $@convention(thin) (Ref, Val, @thin Aleph.Type) -> Aleph {
bb0(%0 : $Ref, %1 : $Val, %2 : $@thin Aleph.Type):
  // CHECK: struct $Aleph ({{%.*}} : $Ref, {{%.*}} : $Val)
  %3 = struct $Aleph (%0 : $Ref, %1 : $Val)
  return %3 : $Aleph  // CHECK: return
}

// CHECK: $@convention(thin) (@thin Aleph.Type) -> Aleph
sil @_TV6struct5AlephCfMS0_FT_S0_ : $@convention(thin) (@thin Aleph.Type) -> Aleph {
bb0(%0 : $@thin Aleph.Type):
  %1 = tuple ()
  %2 = alloc_box $<τ_0_0> { var τ_0_0 } <Aleph>       // CHECK: alloc_box
  %2a = project_box %2 : $<τ_0_0> { var τ_0_0 } <Aleph>, 0
  // CHECK: struct_element_addr {{.*}} : $*Aleph, #Aleph.a
  %5 = struct_element_addr %2a : $*Aleph, #Aleph.a
  %6 = load %5 : $*Ref
  strong_release %6 : $Ref
  %14 = load %2a : $*Aleph
  // CHECK: struct_extract {{%.*}} : $Aleph, #Aleph.a
  %15 = struct_extract %14 : $Aleph, #Aleph.a
  strong_retain %15 : $Ref
  strong_release %2 : $<τ_0_0> { var τ_0_0 } <Aleph>
  return %14 : $Aleph
}

enum Beth {
  case EmptyCase
  case DataCase(Int)
}

// CHECK-LABEL: sil @test_union_empty_case : $@convention(thin) () -> Beth {
sil @test_union_empty_case : $() -> Beth {
bb0:
  // CHECK: %0 = enum $Beth, #Beth.EmptyCase!enumelt
  %0 = enum $Beth, #Beth.EmptyCase!enumelt
  return %0 : $Beth
}

// CHECK-LABEL: sil @test_union_data_case : $@convention(thin) (Int) -> Beth {
sil @test_union_data_case : $Int -> Beth {
bb0(%0 : $Int):
  // CHECK: %1 = enum $Beth, #Beth.DataCase!enumelt.1, %0 : $Int
  %1 = enum $Beth, #Beth.DataCase!enumelt.1, %0 : $Int
  return %1 : $Beth
}

protocol Q {}

enum Gimel {
  case EmptyCase
  case DataCase(Q)
}

sil @test_union_addr_empty_case : $() -> @out Gimel {
bb0(%0 : $*Gimel):
  // CHECK: inject_enum_addr {{%.*}} : $*Gimel, #Gimel.EmptyCase!enumelt
  inject_enum_addr %0 : $*Gimel, #Gimel.EmptyCase!enumelt
  %t = tuple ()
  return %t : $()
}

sil @test_union_addr_data_case : $(@in Q) -> (@out Gimel) {
bb0(%0 : $*Gimel, %1 : $*Q):
  // CHECK: {{%.*}} = init_enum_data_addr {{%.*}} : $*Gimel, #Gimel.DataCase!enumelt.1
  %p = init_enum_data_addr %0 : $*Gimel, #Gimel.DataCase!enumelt.1
  copy_addr [take] %1 to [initialization] %p : $*Q
  inject_enum_addr %0 : $*Gimel, #Gimel.DataCase!enumelt.1
  %t = tuple ()
  return %t : $()
}

sil @_T5tuple5floatFT1xSf_T_ : $@convention(thin) (Float32) -> ()
sil @_T5tuple5tupleFT_TSiSf_ : $@convention(thin) () -> (Int, Float32)

// CHECK: $@convention(thin) (Int, Float) -> ()
sil @_T5tuple13tuple_elementFT1xTSiSf__T_ : $@convention(thin) (Int, Float) -> () {
bb0(%0 : $Int, %1 : $Float):
  %2 = alloc_box $<τ_0_0> { var τ_0_0 } <(Int, Float)>
  %2a = project_box %2 : $<τ_0_0> { var τ_0_0 } <(Int, Float)>, 0
  // CHECK: tuple ({{%.*}} : $Int, {{%.*}} : $Float)
  %3 = tuple (%0 : $Int, %1 : $Float)
  store %3 to %2a : $*(Int, Float)
  // CHECK: tuple_element_addr {{%.*}} : $*(Int, Float), 0
  %6 = tuple_element_addr %2a : $*(Int, Float), 0
  // CHECK: load
  %7 = load %6 : $*Int
  // CHECK: tuple_element_addr {{%.*}} : $*(Int, Float), 1
  %10 = tuple_element_addr %2a : $*(Int, Float), 1
  // CHECK: load
  %11 = load %10 : $*Float
  // CHECK: function_ref
  %14 = function_ref @_T5tuple5tupleFT_TSiSf_ : $@convention(thin) () -> (Int, Float)
  // CHECK: apply
  %15 = apply %14() : $@convention(thin) () -> (Int, Float)
  // CHECK: function_ref
  %19 = function_ref @_T5tuple5floatFT1xSf_T_ : $@convention(thin) (Float) -> ()
  // CHECK: tuple_extract {{%.*}} : $(Int, Float), 1
  %17 = tuple_extract %15 : $(Int, Float), 1
  // CHECK: apply
  %24 = apply %19(%17) : $@convention(thin) (Float) -> ()
  %25 = tuple ()
  strong_release %2 : $<τ_0_0> { var τ_0_0 } <(Int, Float)>
  return %25 : $()
}

class M {
  var member: Int
  init()
}

// CHECK: $@convention(method) (Int, M) -> ()
sil @_TC3ref1C3foofS0_FT1xSi_T_ : $@convention(method) (Int, M) -> () {
bb0(%0 : $Int, %1 : $M):
  %2 = alloc_box $<τ_0_0> { var τ_0_0 } <Int>     // CHECK: alloc_box $<τ_0_0> { var τ_0_0 } <Int>
  %2a = project_box %2 : $<τ_0_0> { var τ_0_0 } <Int>, 0
  store %0 to %2a : $*Int
  %4 = alloc_box $<τ_0_0> { var τ_0_0 } <M>         // CHECK: alloc_box $<τ_0_0> { var τ_0_0 } <M>
  %4a = project_box %4 : $<τ_0_0> { var τ_0_0 } <M>, 0
  store %1 to %4a : $*M
  %6 = load %2a : $*Int  // CHECK: load {{.*}} : $*Int
  %7 = load %4a : $*M      // CHECK: load {{.*}} : $*M
  strong_retain %7 : $M
  // CHECK: ref_element_addr {{%.*}} : $M, #M.member
  %9 = ref_element_addr %7 : $M, #M.member
  store %6 to %9 : $*Int
  strong_release %7 : $M
  %12 = tuple ()
  strong_release %4 : $<τ_0_0> { var τ_0_0 } <M>
  strong_release %2 : $<τ_0_0> { var τ_0_0 } <Int>
  return %12 : $()
}

class GenericClass<Q> {
  var member: Q
  init()
}

// CHECK: sil @bound_generic_class_ref_element_addr : $@convention(thin) (GenericClass<Int>) -> Int {
sil @bound_generic_class_ref_element_addr : $@convention(thin)  GenericClass<Int> -> Int {
entry(%0 : $GenericClass<Int>):
  // CHECK: %1 = ref_element_addr %0 : $GenericClass<Int>, #GenericClass.member
  %1 = ref_element_addr %0 : $GenericClass<Int>, #GenericClass.member
  // CHECK: %2 = load %1 : $*Int
  %2 = load %1 : $*Int
  return %2 : $Int
}

class B { }
class E : B { }

// CHECK: $@convention(thin) (B) -> Builtin.Int1
sil @_T4null3isaFT1bCS_1B_Sb : $@convention(thin) (B) -> Builtin.Int1 {
bb0(%0 : $B):
  %1 = alloc_box $<τ_0_0> { var τ_0_0 } <B>                           // CHECK: alloc_box
  %1a = project_box %1 : $<τ_0_0> { var τ_0_0 } <B>, 0
  store %0 to %1a : $*B
  %3 = load %1a : $*B                        // CHECK: load
  strong_retain %3 : $B
  checked_cast_br %3 : $B to $E, yes, no     // CHECK: checked_cast_br
yes(%5 : $E):
  %y = integer_literal $Builtin.Int1, 1
  br isa(%y : $Builtin.Int1)
no:
  %n = integer_literal $Builtin.Int1, 0
  br isa(%n : $Builtin.Int1)
isa(%6 : $Builtin.Int1):
  strong_release %3 : $B
  strong_release %1 : $<τ_0_0> { var τ_0_0 } <B>
  return %6 : $Builtin.Int1
}

sil @_TSd31_convertFromBuiltinFloatLiteralfMSdFT5valueBf64__Sd : $@convention(thin) (Builtin.FPIEEE64, @thin Float64.Type) -> Float64
sil @_TSS32_convertFromBuiltinStringLiteralfMSSFT5valueBp17utf8CodeUnitCountBi64_7isASCIIBi1__SS : $@convention(thin) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> String


sil @_T5index5gep64FT1pBp1iBi64__Bp : $@convention(thin) (Builtin.RawPointer, Builtin.Word) -> Builtin.RawPointer {
bb0(%0 : $Builtin.RawPointer, %1 : $Builtin.Word):
  %2 = alloc_box $<τ_0_0> { var τ_0_0 } <Builtin.RawPointer>              // CHECK: alloc_box
  %2a = project_box %2 : $<τ_0_0> { var τ_0_0 } <Builtin.RawPointer>, 0
  %3 = alloc_box $<τ_0_0> { var τ_0_0 } <Builtin.Word>                   // CHECK: alloc_box
  %3a = project_box %3 : $<τ_0_0> { var τ_0_0 } <Builtin.Word>, 0
  store %0 to %2a : $*Builtin.RawPointer
  store %1 to %3a : $*Builtin.Word
  %7 = load %2a : $*Builtin.RawPointer           // CHECK: load
  %8 = load %3a : $*Builtin.Word                // CHECK: load
  // CHECK: index_raw_pointer {{%.*}} : $Builtin.RawPointer, {{%.*}} : $Builtin.Word
  %9 = index_raw_pointer %7 : $Builtin.RawPointer, %8 : $Builtin.Word
  strong_release %3 : $<τ_0_0> { var τ_0_0 } <Builtin.Word>
  strong_release %2 : $<τ_0_0> { var τ_0_0 } <Builtin.RawPointer>
  return %9 : $Builtin.RawPointer
}

sil_global @x : $Int
sil @global_callee : $@convention(thin) (Builtin.Int128, @thin Int.Type) -> Int

// CHECK-LABEL: sil @return_static_array
sil @return_static_array : $@convention(thin) () -> TestArray {
bb0:
  // CHECK: %0 = global_value @static_array : $TestArrayStorage
  %0 = global_value @static_array : $TestArrayStorage
  %1 = struct $TestArray (%0 : $TestArrayStorage)
  return %1 : $TestArray
}

// CHECK-LABEL: @global_code : $@convention(thin) () -> ()
sil private @global_code : $() -> () {
bb0:
  // CHECK: alloc_global @x
  alloc_global @x
  // CHECK: global_addr @x : $*Int
  %0 = global_addr @x : $*Int
  %1 = function_ref @global_callee : $@convention(thin) (Builtin.Int128, @thin Int.Type) -> Int
  %2 = metatype $@thin Int.Type
  %3 = integer_literal $Builtin.Int128, 0 // CHECK: integer_literal $Builtin.Int128, 0
  %4 = apply %1(%3, %2) : $@convention(thin) (Builtin.Int128, @thin Int.Type) -> Int
  store %4 to %0 : $*Int
  %6 = tuple ()
  return %6 : $()
}

protocol SomeProtocol {
}
class SomeClass : SomeProtocol {
}
class SomeSubclass : SomeClass {}

sil @test_class_metatype : $@convention(thin) (SomeClass, SomeSubclass) -> (@thick SomeClass.Type, @thick SomeClass.Type) {
bb0(%0 : $SomeClass, %1 : $SomeSubclass):
  %2 = alloc_box $<τ_0_0> { var τ_0_0 } <SomeClass>                       // CHECK: alloc_box
  %2a = project_box %2 : $<τ_0_0> { var τ_0_0 } <SomeClass>, 0
  %3 = alloc_box $<τ_0_0> { var τ_0_0 } <SomeSubclass>                    // CHECK: alloc_box
  %3a = project_box %3 : $<τ_0_0> { var τ_0_0 } <SomeSubclass>, 0
  store %0 to %2a : $*SomeClass
  store %1 to %3a : $*SomeSubclass
  %7 = load %2a : $*SomeClass                    // CHECK: load
  strong_retain %7 : $SomeClass
  // CHECK: value_metatype $@thick SomeClass.Type, {{%.*}} : $SomeClass
  %9 = value_metatype $@thick SomeClass.Type, %7 : $SomeClass
  %11 = load %3a : $*SomeSubclass                // CHECK: load
  strong_retain %11 : $SomeSubclass
  // CHECK: value_metatype $@thick SomeSubclass.Type, {{%.*}} : $SomeSubclass
  %13 = value_metatype $@thick SomeSubclass.Type, %11 : $SomeSubclass
  %14 = upcast %13 : $@thick SomeSubclass.Type to $@thick SomeClass.Type  // CHECK: upcast
  %15 = tuple (%9 : $@thick SomeClass.Type, %14 : $@thick SomeClass.Type) // CHECK: tuple
  strong_release %11 : $SomeSubclass
  strong_release %7 : $SomeClass
  strong_release %3 : $<τ_0_0> { var τ_0_0 } <SomeSubclass>
  strong_release %2 : $<τ_0_0> { var τ_0_0 } <SomeClass>
  return %15 : $(@thick SomeClass.Type, @thick SomeClass.Type)
}

sil @test_value_metatype : $@convention(thin) <T> (@in T) -> (@thick T.Type, @thick T.Type) {
bb0(%0 : $*T):
  %1 = alloc_box $<τ_0_0> { var τ_0_0 } <T>                               // CHECK: alloc_box
  %1a = project_box %1 : $<τ_0_0> { var τ_0_0 } <T>, 0
  copy_addr [take] %0 to [initialization] %1a : $*T
  %3 = metatype $@thick T.Type                       // CHECK: metatype
  %5 = alloc_stack $T                               // CHECK: alloc_stack
  copy_addr %1a to [initialization] %5 : $*T
  // CHECK: value_metatype $@thick T.Type, {{%.*}} : $*T
  %7 = value_metatype $@thick T.Type, %5 : $*T
  %8 = tuple (%3 : $@thick T.Type, %7 : $@thick T.Type) // CHECK: tuple
  destroy_addr %5 : $*T
  dealloc_stack %5 : $*T
  strong_release %1 : $<τ_0_0> { var τ_0_0 } <T>
  return %8 : $(@thick T.Type, @thick T.Type)
}

sil @test_existential_metatype : $@convention(thin) (@in SomeProtocol) -> @thick SomeProtocol.Type {
bb0(%0 : $*SomeProtocol):
  %1 = alloc_box $<τ_0_0> { var τ_0_0 } <SomeProtocol>                    // CHECK: alloc_box
  %1a = project_box %1 : $<τ_0_0> { var τ_0_0 } <SomeProtocol>, 0
  copy_addr [take] %0 to [initialization] %1a : $*SomeProtocol
  %4 = alloc_stack $SomeProtocol                    // CHECK: alloc_stack
  copy_addr %1a to [initialization] %4 : $*SomeProtocol
  // CHECK: existential_metatype $@thick SomeProtocol.Type, {{%.*}} : $*SomeProtocol
  %6 = existential_metatype $@thick SomeProtocol.Type, %4 : $*SomeProtocol
  destroy_addr %4 : $*SomeProtocol
  dealloc_stack %4 : $*SomeProtocol
  strong_release %1 : $<τ_0_0> { var τ_0_0 } <SomeProtocol>
  return %6 : $@thick SomeProtocol.Type
}

// CHECK-LABEL: sil @test_unreachable
sil @test_unreachable : $() -> () {
bb0:
  unreachable
// CHECK: unreachable
}

sil @test_unowned_retain : $@convention(thin) (SomeClass) -> () {
bb0(%0 : $SomeClass):
  %1 = ref_to_unowned %0 : $SomeClass to $@sil_unowned SomeClass
// CHECK: ref_to_unowned %0 : $SomeClass to $@sil_unowned SomeClass
  unowned_retain %1 : $@sil_unowned SomeClass
// CHECK: unowned_retain %1 : $@sil_unowned SomeClass
  unowned_release %1 : $@sil_unowned SomeClass
// CHECK: unowned_release %1 : $@sil_unowned SomeClass
  %4 = unowned_to_ref %1 : $@sil_unowned SomeClass to $SomeClass
// CHECK: unowned_to_ref %1 : $@sil_unowned SomeClass to $SomeClass
  %5 = tuple ()
  return %5 : $()
}

// CHECK-LABEL: sil @test_basic_block_arguments
sil @test_basic_block_arguments : $@convention(thin) (Builtin.Int1) -> Builtin.Word {
bb0(%0 : $Builtin.Int1):
  cond_br %0, bb1, bb2
bb1:
  %2 = integer_literal $Builtin.Word, 5
  br bb3(%2 : $Builtin.Word)
//CHECK: br bb3(%2 : $Builtin.Word)
bb2:
  %4 = integer_literal $Builtin.Word, 6
  br bb3(%4 : $Builtin.Word)
//CHECK: br bb3(%4 : $Builtin.Word)
bb3(%6 : $Builtin.Word):
//CHECK: bb3(%6 : $Builtin.Word)
  return %6 : $Builtin.Word
}

// CHECK-LABEL: sil @test_cond_branch_basic_block_args
sil @test_cond_branch_basic_block_args : $@convention(thin) (Int, Builtin.Int1) -> Int {
bb0(%0 : $Int, %1 : $Builtin.Int1):
  cond_br %1, bb1(%0 : $Int), bb2(%0 : $Int)
// CHECK: cond_br %1, bb1(%0 : $Int), bb2(%0 : $Int)
bb1(%3 : $Int):
  br bb3 (%3 : $Int)
bb2(%2 : $Int):
  br bb3(%2 : $Int)
bb3(%4 : $Int):
  return %4 : $Int
}

// CHECK-LABEL: sil @test_builtin
sil @test_builtin : $@convention(thin) (Builtin.Int1, Builtin.Int1) -> Builtin.Int1 {
bb0(%0 : $Builtin.Int1, %1 : $Builtin.Int1):
  %2 = alloc_box $<τ_0_0> { var τ_0_0 } <Builtin.Int1>
  %2a = project_box %2 : $<τ_0_0> { var τ_0_0 } <Builtin.Int1>, 0
  %3 = alloc_box $<τ_0_0> { var τ_0_0 } <Builtin.Int1>
  %3a = project_box %3 : $<τ_0_0> { var τ_0_0 } <Builtin.Int1>, 0
  store %0 to %2a : $*Builtin.Int1
  store %1 to %3a : $*Builtin.Int1
  %8 = load %2a : $*Builtin.Int1
  %9 = load %3a : $*Builtin.Int1
  // CHECK: builtin "cmp_eq_Int1"({{%.*}} : $Builtin.Int1, {{%.*}} : $Builtin.Int1) : $Builtin.Int1
  %10 = builtin "cmp_eq_Int1"(%8 : $Builtin.Int1, %9 : $Builtin.Int1) : $Builtin.Int1
  strong_release %3 : $<τ_0_0> { var τ_0_0 } <Builtin.Int1>
  strong_release %2 : $<τ_0_0> { var τ_0_0 } <Builtin.Int1>
  return %10 : $Builtin.Int1
}

// CHECK-LABEL: sil @test_dealloc_ref
sil @test_dealloc_ref : $@convention(thin) () -> () {
bb0:
  %0 = alloc_ref $Class1
  dealloc_ref %0 : $Class1
  %2 = tuple ()
  return %2 : $()
}

// CHECK-LABEL: sil @test_dealloc_partial_ref
sil @test_dealloc_partial_ref : $@convention(thin) () -> () {
bb0:
  %0 = alloc_ref $Class1
  %1 = metatype $@thick Class1.Type
  dealloc_partial_ref %0 : $Class1, %1 : $@thick Class1.Type
  %2 = tuple ()
  return %2 : $()
}

// CHECK-LABEL: sil @test_dealloc_box
sil @test_dealloc_box : $@convention(thin) () -> () {
bb0:
  %0 = alloc_box $<τ_0_0> { var τ_0_0 } <Class1>
  dealloc_box %0 : $<τ_0_0> { var τ_0_0 } <Class1>
  %2 = tuple ()
  return %2 : $()
}

// CHECK-LABEL: sil @test_stack_flag
sil @test_stack_flag : $@convention(thin) () -> () {
bb0:
  // CHECK: alloc_ref [stack] $Class1
  %0 = alloc_ref [stack] $Class1
  // CHECK: dealloc_ref [stack] %0 : $Class1
  dealloc_ref [stack] %0 : $Class1
  %2 = tuple ()
  return %2 : $()
}

// CHECK-LABEL: sil @test_tail_elems
sil @test_tail_elems : $@convention(thin) (Builtin.Word, Builtin.Word) -> () {
bb0(%0 : $Builtin.Word, %1 : $Builtin.Word):
  // CHECK: alloc_ref  [tail_elems $Val * %0 : $Builtin.Word] [tail_elems $Aleph * %1 : $Builtin.Word] $Class1
  %2 = alloc_ref [tail_elems $Val * %0 : $Builtin.Word] [tail_elems $Aleph * %1 : $Builtin.Word] $Class1
  // CHECK: dealloc_ref %2 : $Class1
  dealloc_ref %2 : $Class1
  %3 = tuple ()
  return %3 : $()
}

// CHECK-LABEL: sil @test_tail_elems_dynamic
sil @test_tail_elems_dynamic : $@convention(thin) (Builtin.Word, Builtin.Word, @thick Class1.Type) -> () {
bb0(%0 : $Builtin.Word, %1 : $Builtin.Word, %2 : $@thick Class1.Type):
  // CHECK: alloc_ref_dynamic  [tail_elems $Val * %0 : $Builtin.Word] [tail_elems $Aleph * %1 : $Builtin.Word] %2 : $@thick Class1
  %3 = alloc_ref_dynamic [tail_elems $Val * %0 : $Builtin.Word] [tail_elems $Aleph * %1 : $Builtin.Word] %2 : $@thick Class1.Type, $Class1
  // CHECK: dealloc_ref %3 : $Class1
  dealloc_ref %3 : $Class1
  %4 = tuple ()
  return %4 : $()
}

// CHECK-LABEL: sil @test_tail_addr
sil @test_tail_addr : $@convention(thin) (@owned Class1, Builtin.Word) -> @owned Class1 {
bb0(%0 : $Class1, %1 : $Builtin.Word):
  // CHECK: [[T:%[0-9]+]] = ref_tail_addr %0 : $Class1, $Val
  %2 = ref_tail_addr %0 : $Class1, $Val
  // CHECK: tail_addr [[T]] : $*Val, %1 : $Builtin.Word, $Aleph
  %3 = tail_addr %2 : $*Val, %1 : $Builtin.Word, $Aleph
  return %0 : $Class1
}


// CHECK-LABEL: closure_test
sil @takes_closure : $@convention(thin) (@callee_owned () -> ()) -> ()
sil @closure0 : $@convention(thin) (<τ_0_0> { var τ_0_0 } <Int>, @inout Int) -> ()

sil @closure_test : $@convention(thin) () -> () {
bb0:
  %0 = alloc_box $<τ_0_0> { var τ_0_0 } <Int>                           // users: %10, %8, %8, %7, %4
  %0a = project_box %0 : $<τ_0_0> { var τ_0_0 } <Int>, 0

  %5 = function_ref @takes_closure : $@convention(thin) (@callee_owned () -> ()) -> ()
  %6 = function_ref @closure0 : $@convention(thin) (<τ_0_0> { var τ_0_0 } <Int>, @inout Int) -> ()
  strong_retain %0 : $<τ_0_0> { var τ_0_0 } <Int>
  %8 = partial_apply %6(%0, %0a) : $@convention(thin) (<τ_0_0> { var τ_0_0 } <Int>, @inout Int) -> ()
  %9 = apply %5(%8) : $@convention(thin) (@callee_owned () -> ()) -> ()
  strong_release %0 : $<τ_0_0> { var τ_0_0 } <Int>

  %11 = tuple ()
  return %11 : $()
}

sil @test_super_to_archetype_ref : $@convention(thin) <T : Class1> (Class1) -> T {
bb0(%c : $Class1):
  %0 = unconditional_checked_cast %c : $Class1 to $T
  return %0 : $T
}

sil @test_downcast_archetype_ref : $@convention(thin) <T:Class1, U:Class1> (T) -> () {
bb0(%t : $T):
  %0 = unconditional_checked_cast %t : $T to $U
  %1 = tuple ()
  return %1 : $()
}

protocol ClassP : class {}

enum MaybePair {
  case Neither
  case Left(Int)
}

sil @_T6switch1aFT_T_ : $@convention(thin) () -> ()
sil @_T6switch1bFT_T_ : $@convention(thin) () -> ()
sil @_T6switch1cFT_T_ : $@convention(thin) () -> ()

// CHECK-LABEL: sil @test_switch_union : $@convention(thin) (MaybePair) -> ()
sil @test_switch_union : $@convention(thin) (MaybePair) -> () {
bb0(%0 : $MaybePair):
  %1 = alloc_box $<τ_0_0> { var τ_0_0 } <MaybePair>
  %1a = project_box %1 : $<τ_0_0> { var τ_0_0 } <MaybePair>, 0
  store %0 to %1a : $*MaybePair
  %3 = load %1a : $*MaybePair
  %4 = tuple ()
  // CHECK: switch_enum %{{.*}} : $MaybePair, case #MaybePair.Neither!enumelt: bb{{.*}}, case #MaybePair.Left!enumelt.1: bb
  switch_enum %3 : $MaybePair, case #MaybePair.Neither!enumelt: bb1, case #MaybePair.Left!enumelt.1: bb3

bb1:
  br bb2

bb2:
  %7 = function_ref @_T6switch1aFT_T_ : $@convention(thin) () -> () // CHECK: function_ref
  %8 = apply %7() : $@convention(thin) () -> ()
  br bb5                                                 // CHECK: br

bb3(%10 : $Int):
  // CHECK: unchecked_enum_data {{%.*}} : $MaybePair, #MaybePair.Left!enumelt.1
  %x = unchecked_enum_data %3 : $MaybePair, #MaybePair.Left!enumelt.1
  br bb4(%x : $Int)

bb4(%y : $Int):
  %12 = function_ref @_T6switch1bFT_T_ : $@convention(thin) () -> () // CHECK: function_ref
  %13 = apply %12() : $@convention(thin) () -> ()
  br bb5                                                  // CHECK: br

bb5:
  %15 = function_ref @_T6switch1cFT_T_ : $@convention(thin) () -> () // CHECK: function_ref
  %16 = apply %15() : $@convention(thin) () -> ()
  strong_release %1 : $<τ_0_0> { var τ_0_0 } <MaybePair>
  %18 = tuple ()
  return %18 : $()                                        // CHECK: return
}

enum MaybeAddressOnlyPair {
  case Neither
  case Left(Q)
}

// CHECK-LABEL: sil @test_switch_union_addr : $@convention(thin) (@in MaybeAddressOnlyPair) -> ()
sil @test_switch_union_addr : $@convention(thin) (@in MaybeAddressOnlyPair) -> () {
bb0(%0 : $*MaybeAddressOnlyPair):
  // CHECK: switch_enum_addr [[ENUM:%.*]] : $*MaybeAddressOnlyPair, case #MaybeAddressOnlyPair.Neither!enumelt: bb{{.*}}, case #MaybeAddressOnlyPair.Left!enumelt.1: bb
  switch_enum_addr %0 : $*MaybeAddressOnlyPair, case #MaybeAddressOnlyPair.Neither!enumelt: bb1, case #MaybeAddressOnlyPair.Left!enumelt.1: bb2

bb1:
  br bb3

bb2:
  // CHECK: unchecked_take_enum_data_addr [[ENUM]] : $*MaybeAddressOnlyPair, #MaybeAddressOnlyPair.Left!enumelt.1
  %q = unchecked_take_enum_data_addr %0 : $*MaybeAddressOnlyPair, #MaybeAddressOnlyPair.Left!enumelt.1
  br bb3

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

// CHECK-LABEL: sil @test_switch_value : $@convention(thin) (Builtin.Word) -> ()
sil @test_switch_value : $@convention(thin) (Builtin.Word) -> () {
bb0(%0 : $Builtin.Word):
  // CHECK: switch_value %{{.*}} : $Builtin.Word, case %1: bb1, case %2: bb2
  %1 = integer_literal $Builtin.Word, 1
  %2 = integer_literal $Builtin.Word, 2
  switch_value %0 : $Builtin.Word, case %1: bb1, case %2: bb2

bb1:
  %7 = function_ref @_T6switch1aFT_T_ : $@convention(thin) () -> () // CHECK: function_ref
  %8 = apply %7() : $@convention(thin) () -> ()
  br bb3

bb2:
  %12 = function_ref @_T6switch1bFT_T_ : $@convention(thin) () -> () // CHECK: function_ref
  %13 = apply %12() : $@convention(thin) () -> ()
  br bb3

bb3:
  // CHECK: [[FUNC1:%.*]] = function_ref @_T6switch1aFT_T_
  // CHECK: [[FUNC2:%.*]] = function_ref @_T6switch1bFT_T_
  // CHECK: switch_value %{{.*}} : $@convention(thin) () -> (), case [[FUNC1]]: bb4, case [[FUNC2]]: bb5
  %20 = function_ref @_T6switch1bFT_T_ : $@convention(thin) () -> ()
  %21 = function_ref @_T6switch1aFT_T_ : $@convention(thin) () -> ()
  %22 = function_ref @_T6switch1bFT_T_ : $@convention(thin) () -> ()
  switch_value %20 : $@convention(thin) () -> (), case %21: bb4, case %22: bb5

bb4:
  // CHECK: function_ref
  %37 = function_ref @_T6switch1aFT_T_ : $@convention(thin) () -> ()
  %38 = apply %37() : $@convention(thin) () -> ()
  br bb6

bb5:
  // CHECK: function_ref
  %42 = function_ref @_T6switch1bFT_T_ : $@convention(thin) () -> ()
  %43 = apply %42() : $@convention(thin) () -> ()
  br bb6

bb6:
  %18 = tuple ()
  // CHECK: return
  return %18 : $()
}

// CHECK-LABEL: sil @test_select_value : $@convention(thin) (Builtin.Word) -> Builtin.Word
sil @test_select_value : $@convention(thin) (Builtin.Word) -> Builtin.Word {
bb0(%0 : $Builtin.Word):

  %1 = integer_literal $Builtin.Word, 1
  %2 = integer_literal $Builtin.Word, 2
  %3 = integer_literal $Builtin.Word, 3
  %4 = integer_literal $Builtin.Word, 4
  %5 = integer_literal $Builtin.Word, 5
  %6 = integer_literal $Builtin.Word, 6
  %11 = integer_literal $Builtin.Word, 11
  %22 = integer_literal $Builtin.Word, 22
  %33 = integer_literal $Builtin.Word, 33
  %44 = integer_literal $Builtin.Word, 44
  %55 = integer_literal $Builtin.Word, 55
  %66 = integer_literal $Builtin.Word, 66

  // CHECK: select_value %{{.*}} : $Builtin.Word, case %{{.*}}: %{{.*}}, case %{{.*}}: %{{.*}}, case %{{.*}}: %{{.*}}, case %{{.*}}: %{{.*}}, case %{{.*}}: %{{.*}}, default %{{.*}} : $Builtin.Word
  %10 = select_value %0: $Builtin.Word, case %1: %11, case %2: %22, case %4: %44, case %5: %55, case %6: %66, default %33 : $Builtin.Word

  // CHECK: return
  return %10 : $Builtin.Word
}

enum IntEnum : Int {
  case E0
  case E1
  case E2
}

// CHECK-LABEL: sil @test_select_value_with_enum : $@convention(thin) (Builtin.Word) -> Optional<IntEnum>
sil @test_select_value_with_enum : $@convention(thin) (Builtin.Word) -> Optional<IntEnum> {
bb0(%0 : $Builtin.Word):
  %1 = integer_literal $Builtin.Word, 0
  %2 = integer_literal $Builtin.Word, 1
  %3 = enum $IntEnum, #IntEnum.E1!enumelt
  %4 = enum $Optional<IntEnum>, #Optional.some!enumelt.1, %3 : $IntEnum
  %5 = integer_literal $Builtin.Word, 2
  %6 = enum $IntEnum, #IntEnum.E2!enumelt
  %7 = enum $Optional<IntEnum>, #Optional.some!enumelt.1, %6 : $IntEnum
  %8 = enum $IntEnum, #IntEnum.E0!enumelt
  %9 = enum $Optional<IntEnum>, #Optional.some!enumelt.1, %8 : $IntEnum
  %10 = enum $Optional<IntEnum>, #Optional.none!enumelt

  // CHECK: select_value %{{.*}} : $Builtin.Word, case %{{.*}}: %{{.*}}, case %{{.*}}: %{{.*}}, case %{{.*}}: %{{.*}}, default %{{.*}} : $Optional<IntEnum>
  %11 = select_value %0 : $Builtin.Word, case %2: %4, case %5: %7, case %1: %9, default %10 : $Optional<IntEnum>

  // CHECK: return
  return %11 : $Optional<IntEnum>
}

class ConcreteClass : ClassP {
}
struct Spoon : Bendable {
}

// CHECK-LABEL: sil @test_init_existential : $@convention(thin) (Spoon) -> @out Bendable
sil @test_init_existential : $@convention(thin) (Spoon) -> @out Bendable {
bb0(%0 : $*Bendable, %1 : $Spoon):
  %2 = alloc_box $<τ_0_0> { var τ_0_0 } <Spoon>
  %2a = project_box %2 : $<τ_0_0> { var τ_0_0 } <Spoon>, 0
  store %1 to %2a : $*Spoon
  // CHECK: init_existential_addr %{{.*}} : $*Bendable, $Spoon
  %4 = init_existential_addr %0 : $*Bendable, $Spoon
  // CHECK: deinit_existential_addr %{{.*}} : $*Bendable
  deinit_existential_addr %0 : $*Bendable
  %5 = load %2a : $*Spoon
  store %5 to %4 : $*Spoon
  strong_release %2 : $<τ_0_0> { var τ_0_0 } <Spoon>
  %8 = tuple ()
  return %8 : $()
}

// CHECK-LABEL: sil @test_existential_ref : $@convention(thin) (ConcreteClass) -> ClassP
sil @test_existential_ref : $@convention(thin) (ConcreteClass) -> ClassP {
bb0(%0 : $ConcreteClass):
  %1 = alloc_box $<τ_0_0> { var τ_0_0 } <ConcreteClass>
  %1a = project_box %1 : $<τ_0_0> { var τ_0_0 } <ConcreteClass>, 0
  store %0 to %1a : $*ConcreteClass
  %3 = load %1a : $*ConcreteClass
  strong_retain %3 : $ConcreteClass
  // CHECK: init_existential_ref %{{.*}} : $ConcreteClass : $ConcreteClass, $ClassP
  %5 = init_existential_ref %3 : $ConcreteClass : $ConcreteClass, $ClassP
  strong_release %1 : $<τ_0_0> { var τ_0_0 } <ConcreteClass>
  return %5 : $ClassP
}

sil @test_assign : $(Int, @inout Int) -> () {    // CHECK-LABEL: sil @test_assign
bb0(%0 : $Int, %1 : $*Int):
  assign %0 to %1 : $*Int                   // CHECK:   assign %0 to %1
  unreachable
}

// CHECK-LABEL: sil @test_transparent : $@convention(thin) () -> () {
sil @test_transparent : $@convention(thin) () -> () {
bb0:
  %0 = function_ref @classes : $@convention(thin) () -> ()
  // CHECK: apply %{{.*}}() : $@convention(thin) () -> ()
  %1 = apply %0() : $@convention(thin) () -> ()
  %2 = tuple ()
  return %2 : $()
}

// CHECK-LABEL: sil [thunk] @test_thunk : $@convention(thin) () -> () {
sil [thunk] @test_thunk : $@convention(thin) () -> () {
bb0:
  %0 = tuple ()
  return %0 : $()
}

// CHECK-LABEL: sil @takes_unnamed_closure : $@convention(thin) (@callee_owned () -> Int) -> () -> () -> Int
sil @takes_unnamed_closure : $@convention(thin) (@callee_owned () -> Int) -> () -> () -> Int

sil @takes_int64_float32 : $@convention(thin) (Int, Float32) -> ()

// CHECK-LABEL: sil @test_partial_apply : $@convention(thin) (Float) -> @callee_owned (Int) -> () {
sil @test_partial_apply : $@convention(thin)  Float -> @callee_owned Int -> () {
bb0(%0 : $Float):
  %1 = function_ref @takes_int64_float32 : $@convention(thin) (Int, Float) -> ()
  // CHECK: partial_apply %{{.*}}(%{{.*}}) : $@convention(thin) (Int, Float) -> ()
  %2 = partial_apply %1(%0) : $@convention(thin) (Int, Float) -> ()
  return %2 : $@callee_owned Int -> ()
}

class X {
  @objc func f() { }
}

// CHECK-LABEL: sil @test_dynamic_lookup_br : $@convention(thin) (AnyObject) -> ()
sil @test_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-0123-222222222222") AnyObject
  %7 = unchecked_ref_cast %6 : $@opened("01234567-89ab-cdef-0123-222222222222") AnyObject to $Builtin.UnknownObject
  dynamic_method_br %7 : $Builtin.UnknownObject, #X.f!1.foreign, bb1, bb2
bb1(%z : $@convention(objc_method) (Builtin.UnknownObject) -> ()):
  br bb3

bb2:
  br bb3

bb3:
  %28 = tuple ()
  return %28 : $()
}

// CHECK-LABEL: sil @test_mark_fn_escape
sil @test_mark_fn_escape : $() -> () {
  %b = alloc_box $<τ_0_0> { var τ_0_0 } <Int>
  %ba = project_box %b : $<τ_0_0> { var τ_0_0 } <Int>, 0
  %c = alloc_box $<τ_0_0> { var τ_0_0 } <Int>
  %ca = project_box %c : $<τ_0_0> { var τ_0_0 } <Int>, 0

  // CHECK: mark_function_escape {{.*}} : $*Int
  mark_function_escape %ba : $*Int
  // CHECK: mark_function_escape {{.*}} : $*Int, {{.*}} : $*Int
  mark_function_escape %ba : $*Int, %ca : $*Int

  %28 = tuple ()
  return %28 : $()
}

// CHECK-LABEL: sil @test_copy_release_value
sil @test_copy_release_value : $(Val) -> (Val) {
bb0(%0 : $Val):
  retain_value %0 : $Val
  release_value %0 : $Val
  return %0 : $Val
// CHECK:      retain_value [[T0:%.*]] : $Val
// CHECK-NEXT: release_value [[T0]] : $Val
}

// CHECK-LABEL: sil @test_autorelease_value
sil @test_autorelease_value : $X -> X {
bb0(%0 : $X):
  autorelease_value %0 : $X
  return %0 : $X
// CHECK:      autorelease_value [[T0]] : $X
// CHECK-NEXT: return [[T0]] : $X
}

// CHECK-LABEL: sil @test_set_deallocating
sil @test_set_deallocating : $X -> X {
bb0(%0 : $X):
  set_deallocating %0 : $X
  return %0 : $X
// CHECK:      set_deallocating [[T0]] : $X
// CHECK-NEXT: return [[T0]] : $X
}

struct GenericStruct<T> {
  var x : T
}

// CHECK-LABEL: sil @extract_generic_struct
sil @extract_generic_struct : $GenericStruct<Int> -> Int {
entry(%0 : $GenericStruct<Int>):
  // CHECK: %1 = struct_extract %0 : $GenericStruct<Int>, #GenericStruct.x
  %1 = struct_extract %0 : $GenericStruct<Int>, #GenericStruct.x
  // CHECK: return %1 : $Int
  return %1 : $Int
}

class Foo {
  subscript (x: Int32, y: Int32) -> Int32 { get set }
  var x: Int32
  var y: Int32
  init()
}

sil @Foo_subscript_getter : $@convention(method) (Int32, Int32, @guaranteed Foo) -> Int32 {
bb0(%0 : $Int32, %1 : $Int32, %2 : $Foo):
  %3 = tuple ()
  %4 = alloc_stack $Int32  // var x               // users: %17, %6
  %5 = alloc_stack $Int32  // var y               // users: %16, %7
  store %0 to %4 : $*Int32
  store %1 to %5 : $*Int32
  %8 = alloc_stack $Foo  // var self              // users: %15, %14, %9
  store %2 to %8 : $*Foo
  %10 = metatype $@thin Int32.Type
  %12 = integer_literal $Builtin.Int32, 0         // user: %13
  %13 = struct $Int32 (%12 : $Builtin.Int32)      // user: %18
  dealloc_stack %8 : $*Foo
  dealloc_stack %5 : $*Int32
  dealloc_stack %4 : $*Int32
  return %13 : $Int32
}

sil @Foo_subscript_setter : $@convention(method) (Int32, Int32, Int32, @guaranteed Foo) -> () {
bb0(%0 : $Int32, %1 : $Int32, %2 : $Int32, %3 : $Foo):
  %4 = alloc_stack $Int32  // var value           // users: %16, %5
  store %0 to %4 : $*Int32
  %6 = alloc_stack $Int32  // var x               // users: %15, %8
  %7 = alloc_stack $Int32  // var y               // users: %14, %9
  store %1 to %6 : $*Int32
  store %2 to %7 : $*Int32
  %10 = alloc_stack $Foo  // var self             // users: %13, %12, %11
  store %3 to %10 : $*Foo
  dealloc_stack %10 : $*Foo
  dealloc_stack %7 : $*Int32
  dealloc_stack %6 : $*Int32
  dealloc_stack %4 : $*Int32
  %17 = tuple ()                                  // user: %18
  return %17 : $()
}

// CHECK-LABEL: sil @cond_fail_test : $@convention(thin) (Builtin.Int1) -> () {
sil @cond_fail_test : $Builtin.Int1 -> () {
entry(%0 : $Builtin.Int1):
  // CHECK: cond_fail %0 : $Builtin.Int1
  cond_fail %0 : $Builtin.Int1
  %1 = tuple ()
  return %1 : $()
}

sil_global @staticProp: $Int

// CHECK-LABEL: sil private @globalinit_func0 : $@convention(thin) () -> () {
sil private @globalinit_func0 : $@convention(thin) () -> () {
bb0:
  %0 = global_addr @staticProp : $*Int
  %1 = mark_uninitialized [var] %0 : $*Int
  %7 = tuple ()
  return %7 : $()
}

// CHECK-LABEL: sil @_TV18lazy_global_access4Type10staticPropSia : $@convention(thin) () -> Builtin.RawPointer {
sil @_TV18lazy_global_access4Type10staticPropSia : $@convention(thin) () -> Builtin.RawPointer {
bb0:
  // CHECK: global_addr @globalinit_token0 : $*Builtin.Word
  %1 = global_addr @globalinit_token0 : $*Builtin.Word
  // CHECK: unchecked_addr_cast {{%.*}} : $*Builtin.Word to $*Builtin.RawPointer
  %a = unchecked_addr_cast %1 : $*Builtin.Word to $*Builtin.RawPointer
  %2 = address_to_pointer %a : $*Builtin.RawPointer to $Builtin.RawPointer
  %3 = function_ref @globalinit_func0 : $@convention(thin) () -> ()
  // CHECK: {{%.*}} = builtin "once"({{%.*}} : $Builtin.RawPointer, {{%.*}} : $@convention(thin) () -> ()) : $()
  %5 = builtin "once"(%2 : $Builtin.RawPointer, %3 : $@convention(thin) () -> ()) : $()
  %6 = global_addr @staticProp : $*Int
  %7 = address_to_pointer %6 : $*Int to $Builtin.RawPointer
  return %7 : $Builtin.RawPointer
}

// CHECK-LABEL: sil @thin_metatype : $@convention(thin) (@thin Int.Type) -> @thick Int.Type
sil @thin_metatype : $@convention(thin) (@thin Int.Type) -> @thick Int.Type

sil @undef_value : $() -> () {
bb0:
  store undef to undef : $*Builtin.Int1
  unreachable
}

// CHECK-LABEL: sil @debug_value
sil @debug_value : $@convention(thin) (Int, @in P) -> () {
bb0(%0 : $Int, %1 : $*P):
  debug_value %0 : $Int        // CHECK: debug_value %0 : $Int
  debug_value_addr %1 : $*P    // CHECK: debug_value_addr %1 : $*P
  unreachable
}

// CHECK-LABEL: sil @block_storage_type
sil @block_storage_type : $@convention(thin)  Int -> @convention(block) () -> () {
entry(%0 : $Int):
  // CHECK: [[STORAGE:%.*]] = alloc_stack $@block_storage Int
  %s = alloc_stack $@block_storage Int
  // CHECK: [[PROJECT:%.*]] = project_block_storage [[STORAGE]] : $*@block_storage Int
  %c = project_block_storage %s : $*@block_storage Int
  // CHECK: store %0 to [[PROJECT]]
  store %0 to %c : $*Int
  // CHECK: [[FUNC:%.*]] = function_ref
  %f = function_ref @block_invoke : $@convention(c) (@inout_aliasable @block_storage Int) -> ()
  // CHECK: [[BLOCK:%.*]] = init_block_storage_header [[STORAGE]] : $*@block_storage Int, invoke [[FUNC]] : $@convention(c) (@inout_aliasable @block_storage Int) -> (), type $@convention(block) () -> ()
  %b = init_block_storage_header %s : $*@block_storage Int, invoke %f : $@convention(c) (@inout_aliasable @block_storage Int) -> (), type $@convention(block) () -> ()
  // CHECK: dealloc_stack [[STORAGE]] : $*@block_storage Int
  dealloc_stack %s : $*@block_storage Int
  // CHECK: return [[BLOCK]] : $@convention(block) () -> ()
  return %b : $@convention(block) () -> ()
}

sil @block_invoke : $@convention(c) (@inout_aliasable @block_storage Int) -> () {
entry(%0 : $*@block_storage Int):
  return undef : $()
}

// CHECK-LABEL: sil @bitcasts : $@convention(thin) (@owned Class1) -> @owned (Class2, Int) {
// CHECK:  bb0(%0 : $Class1):
// CHECK-NEXT:    %1 = unchecked_ref_cast %0 : $Class1 to $Class2
// CHECK-NEXT:    %2 = unchecked_trivial_bit_cast %0 : $Class1 to $Int
// CHECK-NEXT:    %3 = tuple (%1 : $Class2, %2 : $Int)
// CHECK-NEXT:    return %3 : $(Class2, Int)
sil @bitcasts : $@convention(thin) (@owned Class1) -> @owned (Class2, Int) {
entry(%0 : $Class1):
  %1 = unchecked_ref_cast %0 : $Class1 to $Class2
  %2 = unchecked_trivial_bit_cast %0 : $Class1 to $Int
  %3 = tuple (%1 : $Class2, %2 : $Int)
  return %3 : $(Class2, Int)
}

// CHECK-LABEL: sil @bridge_object : $@convention(thin) (@owned Class1, Builtin.Word) -> () {
// CHECK:  bb0([[X:%.*]] : $Class1, [[W:%.*]] : $Builtin.Word):
// CHECK-NEXT:    [[A:%.*]] = ref_to_bridge_object [[X]] : $Class1, [[W]] : $Builtin.Word
// CHECK-NEXT:    [[B:%.*]] = bridge_object_to_ref [[A]] : $Builtin.BridgeObject to $Class1
// CHECK-NEXT:    [[C:%.*]] = bridge_object_to_word [[A]] : $Builtin.BridgeObject to $Builtin.Word
// CHECK-NEXT:    return undef : $()
sil @bridge_object : $@convention(thin) (@owned Class1, Builtin.Word) -> () {
entry(%x : $Class1, %w : $Builtin.Word):
  %a = ref_to_bridge_object %x : $Class1, %w : $Builtin.Word
  %b = bridge_object_to_ref %a : $Builtin.BridgeObject to $Class1
  %c = bridge_object_to_word %a : $Builtin.BridgeObject to $Builtin.Word
  return undef : $()
}

// CHECK-LABEL: sil [_semantics "foo"] @test_semantics : $@convention(thin) () -> () {
sil [_semantics "foo"] @test_semantics : $@convention(thin) () -> () {
bb0:
  %0 = tuple ()
  return %0 : $()
}

// CHECK-LABEL: sil shared_external @test_shared_external_definition : $@convention(thin) () -> () {
sil shared_external @test_shared_external_definition : $@convention(thin) () -> () {
bb0:
  %0 = tuple ()
  return %0 : $()
}

// CHECK-LABEL: sil @select_enum : $@convention(thin) (@in Beth) -> () {
sil @select_enum : $@convention(thin) (@in Beth) -> () {
bb0(%0 : $*Beth):
  %1 = load %0 : $*Beth
  %2 = integer_literal $Builtin.Int32, 2
  %3 = integer_literal $Builtin.Int32, 3
  // CHECK: %4 = select_enum %1 : $Beth, case #Beth.EmptyCase!enumelt: %2, case #Beth.DataCase!enumelt.1: %3 : $Builtin.Int32
  %4 = select_enum %1 : $Beth, case #Beth.EmptyCase!enumelt: %2, case #Beth.DataCase!enumelt.1: %3 : $Builtin.Int32
  // CHECK: %5 = select_enum_addr %0 : $*Beth, case #Beth.EmptyCase!enumelt: %2, case #Beth.DataCase!enumelt.1: %3 : $Builtin.Int32
  %5 = select_enum_addr %0 : $*Beth, case #Beth.EmptyCase!enumelt: %2, case #Beth.DataCase!enumelt.1: %3 : $Builtin.Int32
  // CHECK: %6 = select_enum %1 : $Beth, case #Beth.EmptyCase!enumelt: %2, default %3 : $Builtin.Int32
  %6 = select_enum %1 : $Beth, case #Beth.EmptyCase!enumelt: %2, default %3 : $Builtin.Int32
  // CHECK: %7 = select_enum_addr %0 : $*Beth, case #Beth.EmptyCase!enumelt: %2, default %3 : $Builtin.Int32
  %7 = select_enum_addr %0 : $*Beth, case #Beth.EmptyCase!enumelt: %2, default %3 : $Builtin.Int32
  return undef : $()
}

struct SomeError: Error {
  var _domain: String { get }
  var _code: Int { get }
}

// CHECK-LABEL: sil @existential_box : $@convention(thin) (SomeError) -> () {
sil @existential_box : $@convention(thin) (SomeError) -> () {
bb0(%0 : $SomeError):
  // CHECK: %1 = alloc_existential_box $Error, $SomeError
  %1 = alloc_existential_box $Error, $SomeError
  // CHECK: %2 = project_existential_box $SomeError in %1 : $Error
  %2 = project_existential_box $SomeError in %1 : $Error
  // CHECK: store %0 to %2 : $*SomeError
  store %0 to %2 : $*SomeError
  // CHECK: %4 = open_existential_box %1 : $Error to $*@opened("01234567-89AB-CDEF-0123-333333333333") Error
  %4 = open_existential_box %1 : $Error to $*@opened("01234567-89AB-CDEF-0123-333333333333") Error
  // CHECK: destroy_addr %4 : $*@opened("01234567-89AB-CDEF-0123-333333333333") Error
  destroy_addr %4 : $*@opened("01234567-89AB-CDEF-0123-333333333333") Error
  // CHECK: dealloc_existential_box %1 : $Error, $SomeError
  dealloc_existential_box %1 : $Error, $SomeError
  return undef : $()
}

sil @convert_function : $@convention(thin) (@convention(thin) (AnyObject) -> Optional<AnyObject>) -> (@convention(thin) (Optional<AnyObject>) -> AnyObject) {
entry(%0 : $@convention(thin) (AnyObject) -> Optional<AnyObject>):
  %1 = convert_function %0 : $@convention(thin) (AnyObject) -> Optional<AnyObject> to $@convention(thin) (Optional<AnyObject>) -> AnyObject
  return %1 : $@convention(thin) (Optional<AnyObject>) -> AnyObject
}
// CHECK-LABEL: sil @convert_function_trivial
// CHECK:  %1 = convert_escape_to_noescape %0 : $@callee_guaranteed (AnyObject) -> Optional<AnyObject> to $@noescape @callee_guaranteed (Optional<AnyObject>) -> AnyObject
// CHECK: return
sil @convert_function_trivial : $@convention(thin) (@owned @callee_guaranteed (AnyObject) -> Optional<AnyObject>) -> () {
entry(%0 : $@callee_guaranteed (AnyObject) -> Optional<AnyObject>):
  %1 = convert_escape_to_noescape %0 : $@callee_guaranteed (AnyObject) -> Optional<AnyObject> to $@noescape @callee_guaranteed (Optional<AnyObject>) -> AnyObject
  return undef : $()
}

sil @meta_metatype : $@convention(thin) () -> @thick Beth.Type.Type {
entry:
  %m = metatype $@thick Beth.Type.Type
  return %m : $@thick Beth.Type.Type
}

sil @concrete_meta_existential_metatype : $@convention(thin) () -> @thick P.Type.Protocol {
entry:
  %m = metatype $@thick P.Type.Protocol
  return %m : $@thick P.Type.Protocol
}

sil @concrete_meta_existential_meta_existential_metatype
  : $@convention(thin) () -> @thick P.Type.Type.Protocol {
entry:
  %m = metatype $@thick P.Type.Type.Protocol
  return %m : $@thick P.Type.Type.Protocol
}

sil @function_metatype : $@convention(thin) () -> @thick (() -> ()).Type {
entry:
  %m = metatype $@thick (() -> ()).Type
  return %m : $@thick (() -> ()).Type
}


// CHECK-LABEL: sil @error_result : $@convention(thin) () -> @error Error
sil @error_result : $@convention(thin) () -> @error Error {
entry:
  unreachable
}

// CHECK-LABEL: sil @error_result2 : $@convention(thin) () -> (Int, @error Error)
sil @error_result2 : $@convention(thin) () -> (Int, @error Error) {
entry:
  unreachable
}

// CHECK-LABEL: sil @error_result3 : $@convention(thin) () -> (@owned Class1, @error Error)
sil @error_result3 : $@convention(thin) () -> (@owned Class1, @error Error) {
entry:
  unreachable
}

// CHECK-LABEL: sil @error_result4 : $@convention(thin) (@owned Class1) -> (@owned Class1, @error Error)
sil @error_result4 : $@convention(thin) (@owned Class1) -> (@owned Class1, @error Error) {
entry(%0 : $Class1):
  return %0 : $Class1
}

// CHECK-LABEL: sil @try_apply : $@convention(thin) (@owned Class1) -> ()
sil @try_apply : $@convention(thin) (@owned Class1) -> () {
entry(%0 : $Class1):
  %1 = function_ref @error_result4 : $@convention(thin) (@owned Class1) -> (@owned Class1, @error Error)
  // CHECK: try_apply %1(%0) : $@convention(thin) (@owned Class1) -> (@owned Class1, @error Error), normal bb1, error bb2
  try_apply %1(%0) : $@convention(thin) (@owned Class1) -> (@owned Class1, @error Error),
    normal bb1, error bb2
bb1(%2 : $Class1):
  strong_release %2 : $Class1
  br bb3
bb2(%3 : $Error):
  release_value %3 : $Error
  br bb3
bb3:
  %4 = tuple ()
  return %4 : $()
}

// CHECK-LABEL: sil @apply_nothrow : $@convention(thin) (@owned Class1) -> ()
sil @apply_nothrow : $@convention(thin) (@owned Class1) -> () {
entry(%0 : $Class1):
  %1 = function_ref @error_result4 : $@convention(thin) (@owned Class1) -> (@owned Class1, @error Error)
  // CHECK: apply [nothrow] %1(%0) : $@convention(thin) (@owned Class1) -> (@owned Class1, @error Error)
  %2 = apply [nothrow] %1(%0) : $@convention(thin) (@owned Class1) -> (@owned Class1, @error Error)
  strong_release %2 : $Class1
  %3 = tuple ()
  return %3 : $()
}

struct Fork : Bendable {}

sil @thin_convention : $@convention(thin) () -> ()
sil @c_convention : $@convention(c) () -> ()
sil @method_convention : $@convention(method) (Int) -> ()
sil @objc_method_convention : $@convention(objc_method) (Int) -> ()
sil @witness_method_convention : $@convention(witness_method: Bendable) (Fork) -> ()

// CHECK-LABEL: sil @conventions : $@convention(thin) (() -> (), @convention(thin) () -> (), @convention(c) () -> (), @convention(block) () -> (), @convention(method) () -> (), @convention(objc_method) () -> (), @convention(witness_method: Bendable) (Fork) -> ()) -> () {
sil @conventions : $@convention(thin) (@convention(thick) () -> (),
                                       @convention(thin) () -> (),
                                       @convention(c) () -> (),
                                       @convention(block) () -> (),
                                       @convention(method) () -> (),
                                       @convention(objc_method) () -> (),
                                       @convention(witness_method: Bendable) (Fork) -> ()) -> () {
entry(%0 : $@convention(thick) () -> (),
      %1 : $@convention(thin) () -> (),
      %2 : $@convention(c) () -> (),
      %3 : $@convention(block) () -> (),
      %4 : $@convention(method) () -> (),
      %5 : $@convention(objc_method) () -> (),
      %6 : $@convention(witness_method: Bendable) (Fork) -> ()):
  return undef : $()
}

// CHECK-LABEL: sil @is_unique : $@convention(thin) (@inout Builtin.NativeObject)
sil @is_unique : $@convention(thin) (@inout Builtin.NativeObject) -> Builtin.Int1 {
bb0(%0 : $*Builtin.NativeObject):
  // CHECK: %1 = is_unique %0 : $*Builtin.NativeObject
  %1 = is_unique %0 : $*Builtin.NativeObject
  return %1 : $Builtin.Int1
}

// CHECK-LABEL: sil @is_unique_or_pinned : $@convention(thin) (@inout Builtin.NativeObject)
sil @is_unique_or_pinned : $@convention(thin) (@inout Builtin.NativeObject) -> Builtin.Int1 {
bb0(%0 : $*Builtin.NativeObject):
  // CHECK: %1 = is_unique_or_pinned %0 : $*Builtin.NativeObject
  %1 = is_unique_or_pinned %0 : $*Builtin.NativeObject
  return %1 : $Builtin.Int1
}
// CHECK-LABEL: sil @is_escaping_closure
sil @is_escaping_closure : $@convention(thin)(@guaranteed @callee_guaranteed () -> ()) -> Builtin.Int1 {
bb0(%0 : $@callee_guaranteed () -> ()):
  // CHECK: %1 = is_escaping_closure %0 : $@callee_guaranteed () -> ()
  %1 = is_escaping_closure %0: $@callee_guaranteed () -> ()
  return %1 : $Builtin.Int1
}

// CHECK-LABEL: sil @box_type : $@convention(thin) (<τ_0_0> { var τ_0_0 } <Int>, Int) -> () {
sil @box_type : $@convention(thin) (<τ_0_0> { var τ_0_0 } <Int>, Int) -> () {
// CHECK: bb0(%0 : $<τ_0_0> { var τ_0_0 } <Int>, %1 : $Int):
bb0(%0 : $<τ_0_0> { var τ_0_0 } <Int>, %1 : $Int):
  // CHECK-NEXT: strong_retain %0 : $<τ_0_0> { var τ_0_0 } <Int>
  strong_retain %0 : $<τ_0_0> { var τ_0_0 } <Int>
  // CHECK-NEXT: %3 = project_box %0 : $<τ_0_0> { var τ_0_0 } <Int>, 0
  %3 = project_box %0 : $<τ_0_0> { var τ_0_0 } <Int>, 0
  // CHECK-NEXT: store %1 to %3 : $*Int
  store %1 to %3 : $*Int
  // CHECK-NEXT: strong_release %0 : $<τ_0_0> { var τ_0_0 } <Int>
  strong_release %0 : $<τ_0_0> { var τ_0_0 } <Int>
  return undef : $()
}

// CHECK-LABEL: sil @value_names : $@convention(thin) (Builtin.Int1) -> () {
sil @value_names : $@convention(thin) (Builtin.Int1) -> () {
// CHECK: bb0(%0 : $Builtin.Int1):
entry(%param : $Builtin.Int1):
// CHECK-NEXT: %1 = tuple ()
  %v_o_i_d = tuple ()
// CHECK-NEXT: cond_br %0, bb1, bb2
  cond_br %param, then, else

// CHECK: bb1:
then:
// CHECK-NEXT: %3 = tuple ()
  %void2 = tuple ()
// CHECK-NEXT: br bb2
  br else

// CHECK: bb2:
else:
// CHECK-NEXT: %5 = tuple ()
  %3void = tuple ()
// CHECK-NEXT: return %5 : $()
  return %3void : $()
}
// CHECK: } // end sil function 'value_names'

class Resource {}
struct Value { var x: Resource }
struct Storage { var y: Resource }
class ParentClass { var storage: Storage; init() }
struct ParentStruct { var storage: Storage }

sil @init_storage : $@convention(thin) (@owned Value) -> @owned Storage
sil @init_storage_indirect : $@convention(thin) (@owned Value) -> @out Storage

sil @set_class_property : $@convention(thin) (@owned Value, @guaranteed ParentClass) -> ()
sil @set_struct_property : $@convention(thin) (@owned Value, @inout ParentStruct) -> ()

sil @init_storage_generic : $@convention(thin) <T, U> (@in T) -> @out U
sil @set_class_property_generic : $@convention(thin) <V, W: AnyObject> (@in V, @guaranteed W) -> ()

sil @mutate_value : $@convention(thin) (@inout Value) -> ()

// CHECK-LABEL: sil @mark_uninitialized_behavior
sil @mark_uninitialized_behavior : $@convention(thin) (@owned ParentClass, @inout ParentStruct) -> () {
entry(%a : $ParentClass, %b : $*ParentStruct):
  // CHECK: [[INIT_STORAGE:%.*]] = function_ref @init_storage
  %c = function_ref @init_storage : $@convention(thin) (@owned Value) -> @owned Storage
  // CHECK: [[SET_CLASS_PROP:%.*]] = function_ref @set_class_property
  %d = function_ref @set_class_property : $@convention(thin) (@owned Value, @guaranteed ParentClass) -> ()
  // CHECK: [[CLASS_STORAGE:%.*]] = ref_element_addr [[CLASS_SELF:%.*]] :
  %e = ref_element_addr %a : $ParentClass, #ParentClass.storage
  // CHECK: mark_uninitialized_behavior [[INIT_STORAGE]]([[CLASS_STORAGE]]) : $@convention(thin) (@owned Value) -> @owned Storage, [[SET_CLASS_PROP]]([[CLASS_SELF]]) : $@convention(thin) (@owned Value, @guaranteed ParentClass) -> ()
  %f = mark_uninitialized_behavior %c(%e) : $@convention(thin) (@owned Value) -> @owned Storage,
                                   %d(%a) : $@convention(thin) (@owned Value, @guaranteed ParentClass) -> ()

  %g = function_ref @mutate_value : $@convention(thin) (@inout Value) -> ()
  apply %g(%f) : $@convention(thin) (@inout Value) -> ()

  // CHECK: [[INIT_STORAGE:%.*]] = function_ref @init_storage_indirect
  %h = function_ref @init_storage_indirect : $@convention(thin) (@owned Value) -> @out Storage
  // CHECK: [[SET_PROP:%.*]] = function_ref @set_struct_property
  %i = function_ref @set_struct_property : $@convention(thin) (@owned Value, @inout ParentStruct) -> ()
  // CHECK: [[STORAGE:%.*]] = struct_element_addr [[SELF:%.*]] :
  %j = struct_element_addr %b : $*ParentStruct, #ParentStruct.storage
  // CHECK: mark_uninitialized_behavior [[INIT_STORAGE]]([[STORAGE]]) : $@convention(thin) (@owned Value) -> @out Storage, [[SET_PROP]]([[SELF]]) : $@convention(thin) (@owned Value, @inout ParentStruct) -> ()
  %k = mark_uninitialized_behavior %h(%j) : $@convention(thin) (@owned Value) -> @out Storage,
                                   %i(%b) : $@convention(thin) (@owned Value, @inout ParentStruct) -> ()

  // CHECK: [[INIT_STORAGE:%.*]] = function_ref @init_storage_generic
  %l = function_ref @init_storage_generic : $@convention(thin) <T, U> (@in T) -> @out U
  // CHECK: [[SET_PROP:%.*]] = function_ref @set_class_property_generic
  %m = function_ref @set_class_property_generic : $@convention(thin) <V, W: AnyObject> (@in V, @guaranteed W) -> ()
  // CHECK: mark_uninitialized_behavior [[INIT_STORAGE]]<Value, Storage>([[CLASS_STORAGE]]) : $@convention(thin) <τ_0_0, τ_0_1> (@in τ_0_0) -> @out τ_0_1, [[SET_PROP]]<Value, ParentClass>([[CLASS_SELF]]) : $@convention(thin) <τ_0_0, τ_0_1 where τ_0_1 : AnyObject> (@in τ_0_0, @guaranteed τ_0_1) -> ()
  %n = mark_uninitialized_behavior %l<Value, Storage>(%e) : $@convention(thin) <T, U> (@in T) -> @out U,
                                   %m<Value, ParentClass>(%a) : $@convention(thin) <V, W: AnyObject> (@in V, @guaranteed W) -> ()

  unreachable
}

// CHECK-LABEL: sil @test_pointer_to_address
sil @test_pointer_to_address : $(Builtin.RawPointer, X) -> () {
bb0(%0 : $Builtin.RawPointer, %1 : $X):
  %2 = pointer_to_address %0 : $Builtin.RawPointer to $*X
  store %1 to %2 : $*X
  // CHECK: [[T2:%.*]] = pointer_to_address {{%.*}} : $Builtin.RawPointer to $*X
  // CHECK-NEXT: store %1 to [[T2]] : $*X
  %3 = pointer_to_address %0 : $Builtin.RawPointer to [strict] $*X
  store %1 to %3 : $*X
  // CHECK: [[T3:%.*]] = pointer_to_address {{%.*}} : $Builtin.RawPointer to [strict] $*X
  // CHECK-NEXT: store %1 to [[T3]] : $*X
  %28 = tuple ()
  return %28 : $()
}

// CHECK-LABEL: sil @test_bind_memory
sil @test_bind_memory : $(Builtin.RawPointer, Builtin.Word) -> () {
bb0(%0 : $Builtin.RawPointer, %1 : $Builtin.Word):
  bind_memory %0 : $Builtin.RawPointer, %1 : $Builtin.Word to $*X
  // CHECK: bind_memory {{%.*}} : $Builtin.RawPointer, {{%.*}} : $Builtin.Word to $*X
  %28 = tuple ()
  return %28 : $()
}

// CHECK-LABEL: sil @test_end_lifetime : $@convention(thin) (@owned Builtin.NativeObject) -> () {
// CHECK: end_lifetime {{%.*}} : $Builtin.NativeObject
sil @test_end_lifetime : $@convention(thin) (@owned Builtin.NativeObject) -> () {
bb0(%0 : $Builtin.NativeObject):
  end_lifetime %0 : $Builtin.NativeObject
  return undef : $()
}

// CHECK-LABEL: sil @test_unchecked_ownership_conversion : $@convention(thin) (@guaranteed Builtin.NativeObject) -> () {
// CHECK: unchecked_ownership_conversion {{%.*}} : $Builtin.NativeObject, @guaranteed to @owned
sil @test_unchecked_ownership_conversion : $@convention(thin) (@guaranteed Builtin.NativeObject) -> () {
bb0(%0 : $Builtin.NativeObject):
  %1 = unchecked_ownership_conversion %0 : $Builtin.NativeObject, @guaranteed to @owned
  return undef : $()
}

sil @test_destructure_struct_tuple : $@convention(thin) (@owned (Builtin.NativeObject, Builtin.Int32), @owned TestArray2) -> @owned (Builtin.NativeObject, Builtin.Int32, TestArrayStorage, Int32, TestArrayStorage) {
bb0(%0 : $(Builtin.NativeObject, Builtin.Int32), %1 : $TestArray2):
  (%2, %3) = destructure_tuple %0 : $(Builtin.NativeObject, Builtin.Int32)
  (%4, %5, %6) = destructure_struct %1 : $TestArray2
  %7 = tuple(%2 : $Builtin.NativeObject, %3 : $Builtin.Int32, %4 : $TestArrayStorage, %5 : $Int32, %6 : $TestArrayStorage)
  return %7 : $(Builtin.NativeObject, Builtin.Int32, TestArrayStorage, Int32, TestArrayStorage)
}

struct EmptyStruct {}

sil @test_empty_destructure : $@convention(thin) () -> () {
bb0:
  %0 = struct $EmptyStruct()
  () = destructure_struct %0 : $EmptyStruct
  %1 = tuple()
  () = destructure_tuple %1 : $()
  return %1 : $()
}

// CHECK-LABEL: sil_vtable Foo {
// CHECK: #Foo.subscript!getter.1: {{.*}} : hidden @Foo_subscript_getter
// CHECK: #Foo.subscript!setter.1: {{.*}} : @Foo_subscript_setter
// CHECK: }
sil_vtable Foo {
  // Override the linkage to check if it is parsed correctly.
  #Foo.subscript!getter.1: hidden @Foo_subscript_getter
  // The public linkage is the same as the function's linkage and should not be printed.
  #Foo.subscript!setter.1: public @Foo_subscript_setter
}