test/SIL/Serialization/visibility.sil

// RUN: %target-swift-frontend %s -parse-sil -emit-module -o - -module-name Swift -module-link-name swiftCore -parse-as-library -parse-stdlib | %target-sil-opt -enable-sil-verify-all=false -module-name Swift > %t.sil
// RUN: %FileCheck %s < %t.sil
// RUN: %FileCheck -check-prefix=NEG-CHECK %s < %t.sil

import Builtin

// To prevent issues with the SILPrinter ordering things we separate our
// positive/negative checks to simplify things.

// NEG-CHECK-NOT: sil_global private @private_global : $Builtin.Word
// NEG-CHECK-NOT: sil private @private_function : $@convention(thin) () -> ()
// NEG-CHECK-NOT: sil @references_private_global : $@convention(thin) () -> () {
// NEG-CHECK-NOT: sil @references_private_function : $@convention(thin) () -> () {
// NEG-CHECK-NOT: sil private @private_function_test : $@convention(thin) () -> ()

// Check Global Variables.
// CHECK-DAG: sil_global shared [serialized] @shared_global : $Builtin.Word
// CHECK-DAG: sil_global [serialized] @public_global : $Builtin.Word
// CHECK-DAG: sil_global hidden [serialized] @hidden_global : $Builtin.Word

// Check that all functions are defined/declared appropriately.
// NEG-CHECK-NOT: sil [serialized] @public_external_function_test : $@convention(thin) () -> () {
// CHECK-DAG: sil [serialized] [canonical] @public_external_function_test : $@convention(thin) () -> ()
// CHECK-DAG: sil hidden [serialized] [canonical] @hidden_function_test : $@convention(thin) () -> () {
// CHECK-DAG: sil [serialized] [canonical] @references_public_function : $@convention(thin) () -> () {
// CHECK-DAG: sil [serialized] [canonical] @references_shared_function : $@convention(thin) () -> () {
// CHECK-DAG: sil [serialized] [canonical] @references_hidden_function : $@convention(thin) () -> () {
// CHECK-DAG: sil [serialized] [canonical] @references_private_function : $@convention(thin) () -> ()
// CHECK-DAG: sil [serialized] [canonical] @references_public_global : $@convention(thin) () -> () {
// CHECK-DAG: sil [serialized] [canonical] @references_shared_global : $@convention(thin) () -> () {
// CHECK-DAG: sil [serialized] [canonical] @references_hidden_global : $@convention(thin) () -> () {
// CHECK-DAG: sil [serialized] [canonical] @references_private_global : $@convention(thin) () -> ()
// CHECK-DAG: sil hidden_external [serialized] [canonical] @hidden_external_function_test : $@convention(thin) () -> ()
// CHECK-DAG: sil [serialized] [canonical] @public_function_test : $@convention(thin) () -> () {
// CHECK-DAG: sil [serialized] [canonical] @public_function : $@convention(thin) () -> () {
// CHECK-DAG: sil hidden [serialized] [canonical] @hidden_function : $@convention(thin) () -> () {
// CHECK-DAG: sil shared_external [serialized] [canonical] @shared_external_function_test : $@convention(thin) () -> ()

sil_global private [serialized] @private_global : $Builtin.Word
sil_global [serialized] @public_global : $Builtin.Word
sil_global shared [serialized] @shared_global : $Builtin.Word
sil_global hidden [serialized] @hidden_global : $Builtin.Word

sil private [serialized] @private_function : $@convention(thin) () -> () {
  %0 = integer_literal $Builtin.Int32, 0
  %1 = tuple()
  return %1 : $()
}
sil [serialized] @references_private_global : $@convention(thin) () -> () {
  %0 = global_addr @private_global : $*Builtin.Word
  %1 = tuple()
  return %1 : $()
}
sil [serialized] @references_private_function : $@convention(thin) () -> () {
  %0 = function_ref @private_function : $@convention(thin) () -> ()
  %1 = tuple()
  return %1 : $()
}

sil shared [serialized] @shared_function : $@convention(thin) () -> () {
  %0 = integer_literal $Builtin.Int32, 1
  %1 = tuple()
  return %1 : $()
}
sil [serialized] @references_shared_global : $@convention(thin) () -> () {
  %0 = global_addr @shared_global : $*Builtin.Word
  %1 = tuple()
  return %1 : $()
}
sil [serialized] @references_shared_function : $@convention(thin) () -> () {
  %0 = function_ref @shared_function : $@convention(thin) () -> ()
  %1 = tuple()
  return %1 : $()
}

sil hidden [serialized] @hidden_function : $@convention(thin) () -> () {
  %0 = integer_literal $Builtin.Int32, 2
  %1 = tuple()
  return %1 : $()
}
sil [serialized] @references_hidden_global : $@convention(thin) () -> () {
  %0 = global_addr @hidden_global : $*Builtin.Word
  %1 = tuple()
  return %1 : $()
}
sil [serialized] @references_hidden_function : $@convention(thin) () -> () {
  %0 = function_ref @hidden_function : $@convention(thin) () -> ()
  %1 = tuple()
  return %1 : $()
}

sil [serialized] @public_function : $@convention(thin) () -> () {
  %0 = integer_literal $Builtin.Int32, 4
  %1 = tuple()
  return %1 : $()
}

sil [serialized] @references_public_global : $@convention(thin) () -> () {
  %0 = global_addr @public_global : $*Builtin.Word
  %1 = tuple()
  return %1 : $()
}
sil [serialized] @references_public_function : $@convention(thin) () -> () {
  %0 = function_ref @public_function : $@convention(thin) () -> ()
  %1 = tuple()
  return %1 : $()
}

sil private [serialized] @private_function_test : $@convention(thin) () -> () {
  %0 = function_ref @references_public_function : $@convention(thin) () -> ()
  %1 = function_ref @references_shared_function : $@convention(thin) () -> ()
  %2 = function_ref @references_hidden_function : $@convention(thin) () -> ()
  %3 = function_ref @references_private_function : $@convention(thin) () -> ()
  %4 = function_ref @references_public_global : $@convention(thin) () -> ()
  %5 = function_ref @references_shared_global : $@convention(thin) () -> ()
  %6 = function_ref @references_hidden_global : $@convention(thin) () -> ()
  %7 = function_ref @references_private_global : $@convention(thin) () -> ()
  apply %0() : $@convention(thin) () -> ()
  apply %1() : $@convention(thin) () -> ()
  apply %2() : $@convention(thin) () -> ()
  apply %3() : $@convention(thin) () -> ()
  apply %4() : $@convention(thin) () -> ()
  apply %5() : $@convention(thin) () -> ()
  apply %6() : $@convention(thin) () -> ()
  apply %7() : $@convention(thin) () -> ()
  %8 = tuple()
  return %8 : $()
}

sil shared [serialized] @shared_function_test : $@convention(thin) () -> () {
  %0 = function_ref @references_public_function : $@convention(thin) () -> ()
  %1 = function_ref @references_shared_function : $@convention(thin) () -> ()
  %2 = function_ref @references_hidden_function : $@convention(thin) () -> ()
  %3 = function_ref @references_private_function : $@convention(thin) () -> ()
  %4 = function_ref @references_public_global : $@convention(thin) () -> ()
  %5 = function_ref @references_shared_global : $@convention(thin) () -> ()
  %6 = function_ref @references_hidden_global : $@convention(thin) () -> ()
  %7 = function_ref @references_private_global : $@convention(thin) () -> ()
  apply %0() : $@convention(thin) () -> ()
  apply %1() : $@convention(thin) () -> ()
  apply %2() : $@convention(thin) () -> ()
  apply %3() : $@convention(thin) () -> ()
  apply %4() : $@convention(thin) () -> ()
  apply %5() : $@convention(thin) () -> ()
  apply %6() : $@convention(thin) () -> ()
  apply %7() : $@convention(thin) () -> ()
  %8 = tuple()
  return %8 : $()
}

sil hidden [serialized] @hidden_function_test : $@convention(thin) () -> () {
  %0 = function_ref @references_public_function : $@convention(thin) () -> ()
  %1 = function_ref @references_shared_function : $@convention(thin) () -> ()
  %2 = function_ref @references_hidden_function : $@convention(thin) () -> ()
  %3 = function_ref @references_private_function : $@convention(thin) () -> ()
  %4 = function_ref @references_public_global : $@convention(thin) () -> ()
  %5 = function_ref @references_shared_global : $@convention(thin) () -> ()
  %6 = function_ref @references_hidden_global : $@convention(thin) () -> ()
  %7 = function_ref @references_private_global : $@convention(thin) () -> ()
  apply %0() : $@convention(thin) () -> ()
  apply %1() : $@convention(thin) () -> ()
  apply %2() : $@convention(thin) () -> ()
  apply %3() : $@convention(thin) () -> ()
  apply %4() : $@convention(thin) () -> ()
  apply %5() : $@convention(thin) () -> ()
  apply %6() : $@convention(thin) () -> ()
  apply %7() : $@convention(thin) () -> ()
  %8 = tuple()
  return %8 : $()
}

sil [serialized] @public_function_test : $@convention(thin) () -> () {
  %0 = function_ref @references_public_function : $@convention(thin) () -> ()
  %1 = function_ref @references_shared_function : $@convention(thin) () -> ()
  %2 = function_ref @references_hidden_function : $@convention(thin) () -> ()
  %3 = function_ref @references_private_function : $@convention(thin) () -> ()
  %4 = function_ref @references_public_global : $@convention(thin) () -> ()
  %5 = function_ref @references_shared_global : $@convention(thin) () -> ()
  %6 = function_ref @references_hidden_global : $@convention(thin) () -> ()
  %7 = function_ref @references_private_global : $@convention(thin) () -> ()
  apply %0() : $@convention(thin) () -> ()
  apply %1() : $@convention(thin) () -> ()
  apply %2() : $@convention(thin) () -> ()
  apply %3() : $@convention(thin) () -> ()
  apply %4() : $@convention(thin) () -> ()
  apply %5() : $@convention(thin) () -> ()
  apply %6() : $@convention(thin) () -> ()
  apply %7() : $@convention(thin) () -> ()
  %8 = tuple()
  return %8 : $()
}

sil hidden_external [serialized] @hidden_external_function_test : $@convention(thin) () -> () {
  %0 = function_ref @references_public_function : $@convention(thin) () -> ()
  %1 = function_ref @references_shared_function : $@convention(thin) () -> ()
  %2 = function_ref @references_hidden_function : $@convention(thin) () -> ()
  %3 = function_ref @references_private_function : $@convention(thin) () -> ()
  %4 = function_ref @references_public_global : $@convention(thin) () -> ()
  %5 = function_ref @references_shared_global : $@convention(thin) () -> ()
  %6 = function_ref @references_hidden_global : $@convention(thin) () -> ()
  %7 = function_ref @references_private_global : $@convention(thin) () -> ()
  apply %0() : $@convention(thin) () -> ()
  apply %1() : $@convention(thin) () -> ()
  apply %2() : $@convention(thin) () -> ()
  apply %3() : $@convention(thin) () -> ()
  apply %4() : $@convention(thin) () -> ()
  apply %5() : $@convention(thin) () -> ()
  apply %6() : $@convention(thin) () -> ()
  apply %7() : $@convention(thin) () -> ()
  %8 = tuple()
  return %8 : $()
}

sil [serialized] @hidden_external_function_test_caller : $@convention(thin) () -> () {
  %0 = function_ref @hidden_external_function_test : $@convention(thin) () -> ()
  %1 = apply %0() : $@convention(thin) () -> ()
  %2 = tuple()
  return %2 : $()
}

sil public_external [serialized] @public_external_function_test : $@convention(thin) () -> () {
  %0 = function_ref @references_public_function : $@convention(thin) () -> ()
  %1 = function_ref @references_shared_function : $@convention(thin) () -> ()
  %2 = function_ref @references_hidden_function : $@convention(thin) () -> ()
  %3 = function_ref @references_private_function : $@convention(thin) () -> ()
  %4 = function_ref @references_public_global : $@convention(thin) () -> ()
  %5 = function_ref @references_shared_global : $@convention(thin) () -> ()
  %6 = function_ref @references_hidden_global : $@convention(thin) () -> ()
  %7 = function_ref @references_private_global : $@convention(thin) () -> ()
  apply %0() : $@convention(thin) () -> ()
  apply %1() : $@convention(thin) () -> ()
  apply %2() : $@convention(thin) () -> ()
  apply %3() : $@convention(thin) () -> ()
  apply %4() : $@convention(thin) () -> ()
  apply %5() : $@convention(thin) () -> ()
  apply %6() : $@convention(thin) () -> ()
  apply %7() : $@convention(thin) () -> ()
  %8 = tuple()
  return %8 : $()
}

sil [serialized] @public_external_function_test_caller : $@convention(thin) () -> () {
  %0 = function_ref @public_external_function_test : $@convention(thin) () -> ()
  %1 = apply %0() : $@convention(thin) () -> ()
  %2 = tuple()
  return %2 : $()
}

sil shared_external [serialized] @shared_external_function_test : $@convention(thin) () -> () {
  %0 = function_ref @references_public_function : $@convention(thin) () -> ()
  %1 = function_ref @references_shared_function : $@convention(thin) () -> ()
  %2 = function_ref @references_hidden_function : $@convention(thin) () -> ()
  %3 = function_ref @references_private_function : $@convention(thin) () -> ()
  %4 = function_ref @references_public_global : $@convention(thin) () -> ()
  %5 = function_ref @references_shared_global : $@convention(thin) () -> ()
  %6 = function_ref @references_hidden_global : $@convention(thin) () -> ()
  %7 = function_ref @references_private_global : $@convention(thin) () -> ()
  apply %0() : $@convention(thin) () -> ()
  apply %1() : $@convention(thin) () -> ()
  apply %2() : $@convention(thin) () -> ()
  apply %3() : $@convention(thin) () -> ()
  apply %4() : $@convention(thin) () -> ()
  apply %5() : $@convention(thin) () -> ()
  apply %6() : $@convention(thin) () -> ()
  apply %7() : $@convention(thin) () -> ()
  %8 = tuple()
  return %8 : $()
}

sil [serialized] @shared_external_function_test_caller : $@convention(thin) () -> () {
  %0 = function_ref @shared_external_function_test : $@convention(thin) () -> ()
  %1 = apply %0() : $@convention(thin) () -> ()
  %2 = tuple()
  return %2 : $()
}