test/SILOptimizer/objectoutliner.sil

// RUN: %target-sil-opt -enable-sil-verify-all %s -object-outliner | %FileCheck %s
//

sil_stage canonical

import Builtin
import Swift

class Obj {
  @_hasStorage var value: Int64
  init()
}

// CHECK-LABEL: sil_global private @outline_global_simpleTv_ : $Obj = {
// CHECK-NEXT:    %0 = integer_literal $Builtin.Int64, 1
// CHECK-NEXT:    %1 = struct $Int64 (%0 : $Builtin.Int64)
// CHECK-NEXT:    %initval = object $Obj (%1 : $Int64)
// CHECK-NEXT:  }

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

// CHECK-LABEL: sil @outline_global_simple
// CHECK: [[G:%[0-9]+]] = global_value @outline_global_simpleTv_ : $Obj
// CHECK: strong_retain [[G]] : $Obj
// CHECK-NOT: store
// CHECK: strong_release [[G]] : $Obj
// CHECK: return
sil @outline_global_simple : $@convention(thin) () -> () {
bb0:
  %0 = integer_literal $Builtin.Word, 0
  %1 = integer_literal $Builtin.Int64, 1
  %4 = struct $Int64 (%1 : $Builtin.Int64)
  %7 = alloc_ref [tail_elems $Int64 * %0 : $Builtin.Word] $Obj
  %9 = ref_element_addr %7 : $Obj, #Obj.value
  store %4 to %9 : $*Int64
  strong_release %7 : $Obj
  %r = tuple ()
  return %r : $()
}


// CHECK-LABEL: sil @outline_global_tailelems
// CHECK: [[G:%[0-9]+]] = global_value @outline_global_tailelemsTv_ : $Obj
// CHECK: strong_retain [[G]] : $Obj
// CHECK-NOT: store
// CHECK: strong_release [[G]] : $Obj
// CHECK: return
sil @outline_global_tailelems : $@convention(thin) () -> () {
bb0:
  %0 = integer_literal $Builtin.Word, 2
  %1 = integer_literal $Builtin.Int64, 1
  %2 = integer_literal $Builtin.Int64, 2
  %3 = integer_literal $Builtin.Int64, 3
  %4 = struct $Int64 (%1 : $Builtin.Int64)
  %5 = struct $Int64 (%2 : $Builtin.Int64)
  %6 = struct $Int64 (%3 : $Builtin.Int64)
  %7 = alloc_ref [tail_elems $Int64 * %0 : $Builtin.Word] $Obj
  %9 = ref_element_addr %7 : $Obj, #Obj.value
  store %4 to %9 : $*Int64
  %15 = ref_tail_addr %7 : $Obj, $Int64
  store %5 to %15 : $*Int64
  %19 = integer_literal $Builtin.Word, 1
  %20 = index_addr %15 : $*Int64, %19 : $Builtin.Word
  store %6 to %20 : $*Int64
  strong_release %7 : $Obj
  %r = tuple ()
  return %r : $()
}

// CHECK-LABEL: sil @handle_deallocation
// CHECK:      global_value
// CHECK-NEXT: strong_retain
// CHECK-NEXT: ref_element_addr
// CHECK-NEXT: strong_release
// CHECK-NEXT: tuple
// CHECK-NEXT: return
sil @handle_deallocation : $@convention(thin) () -> () {
bb0:
  %0 = integer_literal $Builtin.Word, 0
  %3 = integer_literal $Builtin.Int64, 3
  %4 = struct $Int64 (%3 : $Builtin.Int64)
  %5 = alloc_ref [tail_elems $Int64 * %0 : $Builtin.Word] $Obj
  %6 = ref_element_addr %5 : $Obj, #Obj.value
  store %4 to %6 : $*Int64
  set_deallocating %5 : $Obj
  dealloc_ref %5 : $Obj
  %r = tuple ()
  return %r : $()
}

// CHECK-LABEL: sil @dont_outline_without_tail_elems
// CHECK: alloc_ref
// CHECK: store
// CHECK: return
sil @dont_outline_without_tail_elems : $@convention(thin) () -> () {
bb0:
  %1 = integer_literal $Builtin.Int64, 1
  %4 = struct $Int64 (%1 : $Builtin.Int64)
  %7 = alloc_ref $Obj
  %9 = ref_element_addr %7 : $Obj, #Obj.value
  store %4 to %9 : $*Int64
  strong_release %7 : $Obj
  %r = tuple ()
  return %r : $()
}

// CHECK-LABEL: sil @dont_outline_global_double_store
// CHECK: alloc_ref
// CHECK: store
// CHECK: return
sil @dont_outline_global_double_store : $@convention(thin) () -> () {
bb0:
  %0 = integer_literal $Builtin.Word, 0
  %1 = integer_literal $Builtin.Int64, 1
  %4 = struct $Int64 (%1 : $Builtin.Int64)
  %7 = alloc_ref [tail_elems $Int64 * %0 : $Builtin.Word] $Obj
  %9 = ref_element_addr %7 : $Obj, #Obj.value
  store %4 to %9 : $*Int64
  store %4 to %9 : $*Int64
  strong_release %7 : $Obj
  %r = tuple ()
  return %r : $()
}

// CHECK-LABEL: sil @dont_outline_global_missing_store
// CHECK: alloc_ref
// CHECK: return
sil @dont_outline_global_missing_store : $@convention(thin) () -> () {
bb0:
  %0 = integer_literal $Builtin.Word, 0
  %1 = integer_literal $Builtin.Int64, 1
  %4 = struct $Int64 (%1 : $Builtin.Int64)
  %7 = alloc_ref [tail_elems $Int64 * %0 : $Builtin.Word] $Obj
  %9 = ref_element_addr %7 : $Obj, #Obj.value
  strong_release %7 : $Obj
  %r = tuple ()
  return %r : $()
}

// CHECK-LABEL: sil @dont_outline_objc_allocation
// CHECK: alloc_ref
// CHECK: return
sil @dont_outline_objc_allocation : $@convention(thin) () -> () {
bb0:
  %1 = integer_literal $Builtin.Int64, 1
  %4 = struct $Int64 (%1 : $Builtin.Int64)
  // A hack, because Obj is not really an ObjC class. But for the test it should be ok.
  %7 = alloc_ref [objc] $Obj
  %9 = ref_element_addr %7 : $Obj, #Obj.value
  store %4 to %9 : $*Int64
  strong_release %7 : $Obj
  %r = tuple ()
  return %r : $()
}

sil @take_pointer : $@convention(thin) (Builtin.RawPointer) -> ()

// CHECK-LABEL: sil @dont_outline_global_unknown_addr_use
// CHECK: alloc_ref
// CHECK: return
sil @dont_outline_global_unknown_addr_use : $@convention(thin) () -> () {
bb0:
  %0 = integer_literal $Builtin.Word, 0
  %1 = integer_literal $Builtin.Int64, 1
  %4 = struct $Int64 (%1 : $Builtin.Int64)
  %7 = alloc_ref [tail_elems $Int64 * %0 : $Builtin.Word] $Obj
  %9 = ref_element_addr %7 : $Obj, #Obj.value
  store %4 to %9 : $*Int64
  %10 = address_to_pointer %9 : $*Int64 to $Builtin.RawPointer
  %f = function_ref @take_pointer : $@convention(thin) (Builtin.RawPointer) -> ()
  %a = apply %f(%10) : $@convention(thin) (Builtin.RawPointer) -> ()
  strong_release %7 : $Obj
  %r = tuple ()
  return %r : $()
}

// CHECK-LABEL: sil @dont_outline_global_escaping_obj
// CHECK: alloc_ref
// CHECK: return
sil @dont_outline_global_escaping_obj : $@convention(thin) (@inout Obj) -> () {
bb0(%0: $*Obj):
  %1 = integer_literal $Builtin.Int64, 1
  %2 = integer_literal $Builtin.Word, 0
  %4 = struct $Int64 (%1 : $Builtin.Int64)
  %7 = alloc_ref [tail_elems $Int64 * %2 : $Builtin.Word] $Obj
  %9 = ref_element_addr %7 : $Obj, #Obj.value
  store %4 to %9 : $*Int64
  store %7 to %0 : $*Obj
  %r = tuple ()
  return %r : $()
}

// CHECK-LABEL: sil @dont_outline_global_missing_tailelem_store
// CHECK: alloc_ref
// CHECK: return
sil @dont_outline_global_missing_tailelem_store : $@convention(thin) () -> () {
bb0:
  %0 = integer_literal $Builtin.Word, 2
  %1 = integer_literal $Builtin.Int64, 1
  %2 = integer_literal $Builtin.Int64, 2
  %3 = integer_literal $Builtin.Int64, 3
  %4 = struct $Int64 (%1 : $Builtin.Int64)
  %5 = struct $Int64 (%2 : $Builtin.Int64)
  %6 = struct $Int64 (%3 : $Builtin.Int64)
  %7 = alloc_ref [tail_elems $Int64 * %0 : $Builtin.Word] $Obj
  %9 = ref_element_addr %7 : $Obj, #Obj.value
  store %4 to %9 : $*Int64
  %15 = ref_tail_addr %7 : $Obj, $Int64
  store %5 to %15 : $*Int64
  strong_release %7 : $Obj
  %r = tuple ()
  return %r : $()
}

// CHECK-LABEL: sil @dont_outline_global_double_tailelem_store
// CHECK: alloc_ref
// CHECK: return
sil @dont_outline_global_double_tailelem_store : $@convention(thin) () -> () {
bb0:
  %0 = integer_literal $Builtin.Word, 2
  %1 = integer_literal $Builtin.Int64, 1
  %2 = integer_literal $Builtin.Int64, 2
  %3 = integer_literal $Builtin.Int64, 3
  %4 = struct $Int64 (%1 : $Builtin.Int64)
  %5 = struct $Int64 (%2 : $Builtin.Int64)
  %6 = struct $Int64 (%3 : $Builtin.Int64)
  %7 = alloc_ref [tail_elems $Int64 * %0 : $Builtin.Word] $Obj
  %9 = ref_element_addr %7 : $Obj, #Obj.value
  store %4 to %9 : $*Int64
  %15 = ref_tail_addr %7 : $Obj, $Int64
  store %5 to %15 : $*Int64
  store %5 to %15 : $*Int64
  %19 = integer_literal $Builtin.Word, 1
  %20 = index_addr %15 : $*Int64, %19 : $Builtin.Word
  store %6 to %20 : $*Int64
  strong_release %7 : $Obj
  %r = tuple ()
  return %r : $()
}