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sil_combine.sil
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// RUN: %target-sil-opt -enable-sil-verify-all %s -sil-combine -verify-skip-unreachable-must-be-last | FileCheck %s
// XFAIL: linux
sil_stage canonical
import Builtin
import Swift
class RawBuffer {}
class HeapBufferStorage<T,U> : RawBuffer {}
enum FakeOptional<T> {
case None
case Some(T)
}
struct StringData {
var size: Builtin.Word
}
struct PointerStorage {
var ptr: FakeOptional<Builtin.NativeObject>
}
class B { }
class E : B { }
enum AddressOnlyEnum {
case Loadable(Builtin.Int32)
case AddressOnly(Any)
}
sil [global_init] @global_init_fun : $@convention(thin) () -> Builtin.RawPointer
sil @user : $@convention(thin) (@owned Builtin.NativeObject) -> ()
//////////////////////
// Simple DCE Tests //
//////////////////////
// CHECK-LABEL: sil @dead_inst_elimination_one_bb
// CHECK-NOT: integer_literal $Builtin.Int64, 24
sil @dead_inst_elimination_one_bb : $@convention(thin) () -> () {
%0 = integer_literal $Builtin.Int64, 24
%1 = tuple()
return %1 : $()
}
// CHECK-LABEL: sil @dead_inst_elimination_diamond
// CHECK: bb0
// CHECK-NOT: integer_literal $Builtin.Int64, 24
// CHECK: bb1
// CHECK-NOT: integer_literal $Builtin.Int64, 48
sil @dead_inst_elimination_diamond : $@convention(thin) (Builtin.Int1) -> () {
bb0(%0 : $Builtin.Int1):
%1 = integer_literal $Builtin.Int64, 24
cond_br %0, bb1, bb2
bb1:
%2 = integer_literal $Builtin.Int64, 48
br bb3
bb2:
%3 = integer_literal $Builtin.Int64, 96
br bb3
bb3:
%4 = tuple()
return %4 : $()
}
sil @random_counter : $@convention(thin) () -> Builtin.Int1
// CHECK-LABEL: sil @dead_inst_elimination_loop
// CHECK: bb0
// CHECK-NOT: integer_literal
// CHECK: bb1
// CHECK: function_ref
// CHECK: apply
// CHECK-NOT: integer_literal
// CHECK: bb2
// CHECK-NOT: integer_literal
// CHECK: tuple
// CHECK: return
sil @dead_inst_elimination_loop : $@convention(thin) () -> () {
bb0:
%1 = integer_literal $Builtin.Int64, 24
br bb1
bb1:
%2 = function_ref @random_counter : $@convention(thin) () -> Builtin.Int1
%3 = apply %2() : $@convention(thin) () -> Builtin.Int1
%4 = integer_literal $Builtin.Int64, 48
cond_br %3, bb1, bb2
bb2:
%5 = integer_literal $Builtin.Int64, 59
%6 = tuple()
return %6 : $()
}
// For now until the proper unreachable pruning code is committed for
// SILCombine, we should not dce dead instructions in unreachable code.
// CHECK-LABEL: sil @dead_inst_elimination_ignore_unreachable
// CHECK: bb0
// CHECK-NOT: integer_literal $Builtin.Int64, 24
// CHECK: bb1
// CHECK: integer_literal $Builtin.Int64, 48
sil @dead_inst_elimination_ignore_unreachable : $@convention(thin) () -> () {
bb0:
%0 = integer_literal $Builtin.Int64, 24
br bb2
bb1:
%1 = integer_literal $Builtin.Int64, 48
br bb2
bb2:
%2 = tuple()
return %2 : $()
}
//////////////////////////////////////////////////////////
// Other DCE Tests taken from diagnose_unreachable.sil //
//////////////////////////////////////////////////////////
sil @exit : $@convention(thin) @noreturn () -> () {
bb0:
%1 = tuple ()
return %1 : $()
}
// CHECK-LABEL: sil @removeTriviallyDeadInstructions
// CHECK: store
// CHECK: strong_retain
// CHECK-NOT: unchecked_ref_cast
// CHECK: strong_release
// CHECK-NEXT: strong_release
// CHECK-NOT: unchecked_ref_cast
sil @removeTriviallyDeadInstructions : $@convention(thin) (@owned B) -> () {
bb0(%0 : $B):
%1 = alloc_box $B
%2 = store %0 to %1#1 : $*B
%3 = load %1#1 : $*B
%4 = strong_retain %3 : $B
%5 = unchecked_ref_cast %3 : $B to $Builtin.NativeObject
%7 = strong_release %3 : $B
%8 = strong_release %1#0 : $@box B
%9 = function_ref @exit : $@convention(thin) @noreturn () -> () // ret.exit : () -> ()
%10 = apply %9() : $@convention(thin) @noreturn () -> ()
unreachable
}
// CHECK-LABEL: sil @removeTriviallyDeadCrossBasicBlocks
// CHECK-NOT: unchecked_ref_cast
// CHECK: cond_br
// CHECK-NOT: unchecked_ref_cast
// CHECK: }
sil @removeTriviallyDeadCrossBasicBlocks : $@convention(thin) (@owned B, Builtin.Int1) -> () {
bb0(%0: $B, %1: $Builtin.Int1):
%5 = unchecked_ref_cast %0 : $B to $Builtin.NativeObject
%13 = cond_br %1, bb1, bb2
bb1:
%22 = br bb2
bb2:
%9 = function_ref @exit : $@convention(thin) @noreturn () -> () // ret.exit : () -> ()
%10 = apply %9() : $@convention(thin) @noreturn () -> ()
unreachable
}
// CHECK-LABEL: sil @dead_use_of_alloc_stack
// CHECK: bb
// CHECK: alloc_stack
// CHECK: dealloc_stack
// CHECK: }
sil @dead_use_of_alloc_stack : $@convention(thin) () -> () {
bb0:
%1 = alloc_stack $((), (), ())
%2 = tuple_element_addr %1#1 : $*((), (), ()), 0
dealloc_stack %1#0 : $*@local_storage ((), (), ())
%3 = tuple ()
return %3 : $()
}
// CHECK-LABEL: sil @tuple_extract
// CHECK: bb
// CHECK-NEXT: return %0
sil @tuple_extract : $@convention(thin) (Int64) -> Int64 {
bb0(%0 : $Int64):
%1 = tuple (%0 : $Int64, %0 : $Int64)
%2 = tuple_extract %1 : $(Int64, Int64), 0
return %2 : $Int64
}
// CHECK-LABEL: sil @do_not_fold_integer_literal
// CHECK: bb
// CHECK: cond_br
// CHECK: {{^bb}}
// CHECK-NEXT: integer_literal
// CHECK-NEXT: br
// CHECK: {{^bb}}
// CHECK-NEXT: integer_literal
// CHECK-NEXT: br
sil @do_not_fold_integer_literal : $@convention(thin) (Builtin.Int1) -> Builtin.Int1 {
bb0(%0 : $Builtin.Int1):
cond_br %0, bb1, bb3
bb1:
%1 = integer_literal $Builtin.Int1, 0
br bb2(%1 : $Builtin.Int1)
bb3:
%2 = integer_literal $Builtin.Int1, -1
br bb2(%2 : $Builtin.Int1)
bb2(%3 : $Builtin.Int1):
return %3 : $Builtin.Int1
}
enum BoolLike { case true_, false_ }
// CHECK-LABEL: sil @fold_enum
// CHECK: bb
// CHECK: switch_enum
// CHECK: {{^bb}}
// CHECK-NOT: enum
// CHECK-NEXT: br
// CHECK: {{^bb}}
// CHECK-NOT: enum
// CHECK-NEXT: br
sil @fold_enum : $@convention(thin) (BoolLike) -> BoolLike {
bb0(%0 : $BoolLike):
switch_enum %0 : $BoolLike, case #BoolLike.true_!enumelt: bb1, case #BoolLike.false_!enumelt: bb2
bb1:
%1 = enum $BoolLike, #BoolLike.true_!enumelt
br bb3(%1 : $BoolLike)
bb2:
%2 = enum $BoolLike, #BoolLike.false_!enumelt
br bb3(%2 : $BoolLike)
bb3(%3 : $BoolLike):
return %3 : $BoolLike
}
// CHECK-LABEL: sil @do_not_fold_enum
// CHECK: bb
// CHECK: switch_enum
// CHECK: {{^bb}}
// CHECK-NEXT: enum
// CHECK-NEXT: br
// CHECK: {{^bb}}
// CHECK-NEXT: enum
// CHECK-NEXT: br
sil @do_not_fold_enum : $@convention(thin) (BoolLike) -> BoolLike {
bb0(%0 : $BoolLike):
switch_enum %0 : $BoolLike, case #BoolLike.true_!enumelt: bb1, case #BoolLike.false_!enumelt: bb2
bb1:
%1 = enum $BoolLike, #BoolLike.false_!enumelt
br bb3(%1 : $BoolLike)
bb2:
%2 = enum $BoolLike, #BoolLike.true_!enumelt
br bb3(%2 : $BoolLike)
bb3(%3 : $BoolLike):
return %3 : $BoolLike
}
// CHECK-LABEL: sil @struct_extract_load_to_load_struct_element_addr
// CHECK: bb0([[IN:%[0-9]+]] : $*UInt8):
// CHECK-NEXT: [[IN_GEP:%[0-9]+]] = struct_element_addr [[IN]] : $*UInt8, #UInt8._value
// CHECK-NEXT: [[IN_LOADED:%[0-9]+]] = load [[IN_GEP]] : $*Builtin.Int8
// CHECK-NEXT: [[LITERAL:%[0-9]+]] = integer_literal $Builtin.Int8, 1
// CHECK-NEXT: [[IN_GEP_STORE:%[0-9]+]] = struct_element_addr [[IN]] : $*UInt8, #UInt8._value
// CHECK-NEXT: store [[LITERAL]] to [[IN_GEP_STORE]] : $*Builtin.Int8
// CHECK-NEXT: return [[IN_LOADED]] : $Builtin.Int8
sil @struct_extract_load_to_load_struct_element_addr : $@convention(thin) (@inout UInt8) -> (Builtin.Int8) {
bb0(%0 : $*UInt8):
%1 = load %0 : $*UInt8
%2 = integer_literal $Builtin.Int8, 1
%3 = struct_element_addr %0 : $*UInt8, #UInt8._value
%4 = store %2 to %3 : $*Builtin.Int8
%5 = struct_extract %1 : $UInt8, #UInt8._value
return %5 : $Builtin.Int8
}
// CHECK-LABEL: sil @tuple_extract_load_to_load_tuple_element_addr
// CHECK: bb0([[IN:%[0-9]+]] : $*(Builtin.Int8, Builtin.Int8)):
// CHECK-NEXT: [[IN_GEP:%[0-9]+]] = tuple_element_addr [[IN]] : $*(Builtin.Int8, Builtin.Int8), 0
// CHECK-NEXT: [[IN_LOADED:%[0-9]+]] = load [[IN_GEP]] : $*Builtin.Int8
// CHECK-NEXT: [[LITERAL:%[0-9]+]] = integer_literal $Builtin.Int8, 1
// CHECK-NEXT: [[IN_STORE_GEP:%[0-9]+]] = tuple_element_addr %0 : $*(Builtin.Int8, Builtin.Int8), 0
// CHECK-NEXT: store [[LITERAL]] to [[IN_STORE_GEP]] : $*Builtin.Int8
// CHECK-NEXT: return [[IN_LOADED]] : $Builtin.Int8
sil @tuple_extract_load_to_load_tuple_element_addr : $@convention(thin) (@inout (Builtin.Int8, Builtin.Int8)) -> (Builtin.Int8) {
bb0(%0 : $*(Builtin.Int8, Builtin.Int8)):
%1 = load %0 : $*(Builtin.Int8, Builtin.Int8)
%2 = integer_literal $Builtin.Int8, 1
%3 = tuple_element_addr %0 : $*(Builtin.Int8, Builtin.Int8), 0
%4 = store %2 to %3 : $*Builtin.Int8
%5 = tuple_extract %1 : $(Builtin.Int8, Builtin.Int8), 0
return %5 : $Builtin.Int8
}
// Do not perform the optimization of the input load has multiple uses.
//
// CHECK-LABEL: sil @multiple_use_struct_extract_load_to_load_struct_element_addr
// CHECK: bb0([[IN:%[0-9]+]] : $*UInt8):
// CHECK-NEXT: load
// CHECK-NEXT: integer_literal
// CHECK-NEXT: struct_element_addr
// CHECK-NEXT: store
// CHECK-NEXT: struct_extract
// CHECK-NEXT: tuple
// CHECK-NEXT: return
sil @multiple_use_struct_extract_load_to_load_struct_element_addr : $@convention(thin) (@inout UInt8) -> (UInt8, Builtin.Int8) {
bb0(%0 : $*UInt8):
%1 = load %0 : $*UInt8
%2 = integer_literal $Builtin.Int8, 1
%3 = struct_element_addr %0 : $*UInt8, #UInt8._value
%4 = store %2 to %3 : $*Builtin.Int8
%5 = struct_extract %1 : $UInt8, #UInt8._value
%6 = tuple (%1 : $UInt8, %5 : $Builtin.Int8)
return %6 : $(UInt8, Builtin.Int8)
}
// Do not perform the optimization of the input load has multiple uses.
//
// CHECK-LABEL: sil @multiple_use_tuple_extract_load_to_load_tuple_element_addr
// CHECK: bb0
// CHECK-NEXT: load
// CHECK-NEXT: integer_literal
// CHECK-NEXT: tuple_element_addr
// CHECK-NEXT: store
// CHECK-NEXT: tuple_extract
// CHECK-NEXT: tuple
// CHECK-NEXT: return
sil @multiple_use_tuple_extract_load_to_load_tuple_element_addr : $@convention(thin) (@inout (Builtin.Int8, Builtin.Int8)) -> ((Builtin.Int8, Builtin.Int8), Builtin.Int8) {
bb0(%0 : $*(Builtin.Int8, Builtin.Int8)):
%1 = load %0 : $*(Builtin.Int8, Builtin.Int8)
%2 = integer_literal $Builtin.Int8, 1
%3 = tuple_element_addr %0 : $*(Builtin.Int8, Builtin.Int8), 0
%4 = store %2 to %3 : $*Builtin.Int8
%5 = tuple_extract %1 : $(Builtin.Int8, Builtin.Int8), 0
%6 = tuple (%1 : $(Builtin.Int8, Builtin.Int8), %5 : $Builtin.Int8)
return %6 : $((Builtin.Int8, Builtin.Int8), Builtin.Int8)
}
// CHECK-LABEL: sil @release_value_test
// CHECK: bb0({{%[0-9]+}} : $Builtin.Int8, [[RELEASE_TARGET:%[0-9]+]] : $Builtin.NativeObject):
// CHECK-NEXT: strong_release [[RELEASE_TARGET]] : $Builtin.NativeObject
// CHECK-NEXT: tuple ()
// CHECK-NEXT: return
sil @release_value_test : $@convention(thin) (Builtin.Int8, Builtin.NativeObject) -> () {
bb0(%0 : $Builtin.Int8, %1 : $Builtin.NativeObject):
release_value %0 : $Builtin.Int8
release_value %1 : $Builtin.NativeObject
%2 = tuple()
return %2 : $()
}
// CHECK-LABEL: sil @retain_value_test
// CHECK: bb0([[TRIVIAL_TARGET:%[0-9]+]] : $Builtin.Int8, [[REFCOUNT_TARGET:%[0-9]+]] : $Builtin.NativeObject):
// CHECK-NEXT: strong_retain [[REFCOUNT_TARGET]] : $Builtin.NativeObject
// CHECK-NEXT: tuple ([[TRIVIAL_TARGET]] : $Builtin.Int8, [[REFCOUNT_TARGET]] : $Builtin.NativeObject)
// CHECK-NEXT: return
sil @retain_value_test : $@convention(thin) (Builtin.Int8, Builtin.NativeObject) -> (Builtin.Int8, Builtin.NativeObject) {
bb0(%0 : $Builtin.Int8, %1 : $Builtin.NativeObject):
retain_value %0 : $Builtin.Int8
retain_value %1 : $Builtin.NativeObject
%4 = tuple(%0 : $Builtin.Int8, %1 : $Builtin.NativeObject)
return %4 : $(Builtin.Int8, Builtin.NativeObject)
}
// CHECK-LABEL: sil @a2p_p2a_test
// CHECK: bb0([[ADR:%[0-9]+]] : $*Builtin.Word, [[RAWPTR:%[0-9]+]] : $Builtin.RawPointer):
// CHECK-NEXT: load
// CHECK-NEXT: tuple
// CHECK-NEXT: return
sil @a2p_p2a_test : $@convention(thin) (@inout Builtin.Word, Builtin.RawPointer) -> (Builtin.Word, Builtin.RawPointer) {
bb0(%0 : $*Builtin.Word, %1 : $Builtin.RawPointer):
%2 = address_to_pointer %0 : $*Builtin.Word to $Builtin.RawPointer
%3 = pointer_to_address %1 : $Builtin.RawPointer to $*Builtin.Word
%4 = pointer_to_address %2 : $Builtin.RawPointer to $*Builtin.Word
%5 = address_to_pointer %3 : $*Builtin.Word to $Builtin.RawPointer
%6 = load %4 : $*Builtin.Word
%7 = tuple(%6 : $Builtin.Word, %5 : $Builtin.RawPointer)
return %7 : $(Builtin.Word, Builtin.RawPointer)
}
// CHECK-LABEL: sil @a2p_p2a_reinterpret_cast_word_raw_pointer
// CHECK: bb0
// CHECK-NEXT: load
// CHECK-NEXT: unchecked_trivial_bit_cast
// CHECK-NEXT: return
sil @a2p_p2a_reinterpret_cast_word_raw_pointer : $@convention(thin) (@inout Builtin.Word, Builtin.RawPointer) -> Int32 {
bb0(%0 : $*Builtin.Word, %1 : $Builtin.RawPointer):
%2 = address_to_pointer %0 : $*Builtin.Word to $Builtin.RawPointer
%3 = pointer_to_address %2 : $Builtin.RawPointer to $*Int32
%4 = load %3 : $*Int32
return %4 : $Int32
}
// CHECK-LABEL: sil @sil_extract_of_string
//
// Make sure we only forward the first field of the string_literal
// instead of the whole string literal. Otherwise we run into arity
// issues.
sil @sil_extract_of_string : $@convention(thin) () -> Builtin.Word {
%0 = string_literal utf8 ""
%l1 = integer_literal $Builtin.Word, 0
%1 = struct $StringData (%l1 : $Builtin.Word)
%2 = struct_extract %1 : $StringData, #StringData.size
return %2 : $Builtin.Word
}
class C {}
enum U {
init()
case X
case Y(Builtin.Int64)
case Z(C)
}
// CHECK-LABEL: sil @sil_destroyvalue_of_enum
// CHECK: bb0([[TYPE_ARG:%[0-9]+]] : $@thin U.Type, [[CLASS_ARG:%[0-9]+]] : $C):
// CHECK-NEXT: enum $U, #U.X!enumelt
// CHECK-NEXT: integer_literal $Builtin.Int64, 32
// CHECK-NEXT: enum $U, #U.Y!enumelt.1, {{%[0-9]+}} : $Builtin.Int64
// CHECK-NEXT: [[INVALID_CASE:%[0-9]+]] = enum $U, #U.Z!enumelt.1, {{%[0-9]+}} : $C
// CHECK-NEXT: strong_release [[CLASS_ARG]] : $C
// CHECK-NEXT: tuple ({{%[0-9]+}} : $U, {{%[0-9]+}} : $U, [[INVALID_CASE]] : $U)
// CHECK-NEXT: return
//
// release_value of an enum without any payload or with a trivial
// typed payload is a no-op. Leave enums with non-trivial payloads
// alone.
//
// rdar://15568314
sil @sil_destroyvalue_of_enum : $@convention(thin) (@thin U.Type, C) -> (U, U, U) {
bb0(%0 : $@thin U.Type, %1 : $C):
%2 = enum $U, #U.X!enumelt
release_value %2 : $U
%3 = integer_literal $Builtin.Int64, 32
%4 = enum $U, #U.Y!enumelt.1, %3 : $Builtin.Int64
release_value %4 : $U
%5 = enum $U, #U.Z!enumelt.1, %1 : $C
release_value %5 : $U
%6 = tuple(%2 : $U, %4 : $U, %5 : $U)
return %6 : $(U, U, U)
}
// CHECK-LABEL: sil @sil_copyvalue_of_enum
// CHECK: bb0([[TYPE_ARG:%[0-9]+]] : $@thin U.Type, [[CLASS_ARG:%[0-9]+]] : $C):
// CHECK-NEXT: enum $U, #U.X!enumelt
// CHECK-NEXT: integer_literal $Builtin.Int64, 32
// CHECK-NEXT: enum $U, #U.Y!enumelt.1, {{%[0-9]+}} : $Builtin.Int64
// CHECK-NEXT: [[INVALID_CASE:%[0-9]+]] = enum $U, #U.Z!enumelt.1, {{%[0-9]+}} : $C
// CHECK-NEXT: strong_retain [[CLASS_ARG]] : $C
// CHECK-NEXT: tuple ({{%[0-9]+}} : $U, {{%[0-9]+}} : $U, [[INVALID_CASE]] : $U)
// CHECK-NEXT: return
//
// copy of an enum without any payload or with a trivial typed payload
// is a no-op. Leave enums with non-trivial payloads alone.
//
// rdar://15568314
sil @sil_copyvalue_of_enum : $@convention(thin) (@thin U.Type, C) -> (U, U, U) {
bb0(%0 : $@thin U.Type, %1 : $C):
%2 = enum $U, #U.X!enumelt
retain_value %2 : $U
%3 = integer_literal $Builtin.Int64, 32
%4 = enum $U, #U.Y!enumelt.1, %3 : $Builtin.Int64
retain_value %4 : $U
%5 = enum $U, #U.Z!enumelt.1, %1 : $C
retain_value %5 : $U
%6 = tuple(%2 : $U, %4 : $U, %5 : $U)
return %6 : $(U, U, U)
}
// RefToRawPointer pointer consumption.
//
// (ref_to_raw_pointer (unchecked_ref_cast x))
// -> (ref_to_raw_pointer x)
// CHECK-LABEL: sil @ref_to_raw_pointer_unchecked_ref_cast_composition : $@convention(thin) (C) -> Builtin.RawPointer
// CHECK: bb0
// CHECK-NEXT: ref_to_raw_pointer
// CHECK-NEXT: return
sil @ref_to_raw_pointer_unchecked_ref_cast_composition : $@convention(thin) (C) -> Builtin.RawPointer {
bb0(%0 : $C):
%1 = unchecked_ref_cast %0 : $C to $Builtin.NativeObject
%2 = ref_to_raw_pointer %1 : $Builtin.NativeObject to $Builtin.RawPointer
return %2 : $Builtin.RawPointer
}
// CHECK-LABEL: sil @downcast_upcast_roundtrip
// CHECK: bb0
// CHECK-NEXT: return
sil @downcast_upcast_roundtrip : $@convention(thin) <T_0_0, T_0_1> (HeapBufferStorage<T_0_0, T_0_1>) -> HeapBufferStorage<T_0_0, T_0_1> {
bb0(%0 : $HeapBufferStorage<T_0_0, T_0_1>):
%2 = upcast %0 : $HeapBufferStorage<T_0_0, T_0_1> to $RawBuffer // user: %3
%3 = unconditional_checked_cast %2 : $RawBuffer to $HeapBufferStorage<T_0_0, T_0_1>
return %3 : $HeapBufferStorage<T_0_0, T_0_1>
}
// CHECK-LABEL: sil @cond_fail_applied_to_zero_removal
// CHECK: bb0
// CHECK-NEXT: cond_fail
// CHECK-NEXT: tuple ()
// CHECK-NEXT: return
sil @cond_fail_applied_to_zero_removal : $@convention(thin) (Builtin.Int1) -> () {
bb0(%0 : $Builtin.Int1):
cond_fail %0 : $Builtin.Int1
%1 = integer_literal $Builtin.Int1, 0
cond_fail %1 : $Builtin.Int1
%2 = tuple ()
return %2 : $()
}
// CHECK-LABEL: sil @release_then_retain_peephole
// CHECK: bb0
// CHECK-NOT: strong_release
// CHECK-NOT: strong_retain
// CHECK-NOT: retain_value
// CHECK-NOT: release_value
// CHECK-NEXT: return
sil @release_then_retain_peephole : $@convention(thin) (Builtin.NativeObject, FakeOptional<Builtin.NativeObject>) -> (Builtin.NativeObject) {
bb0(%0 : $Builtin.NativeObject, %1 : $FakeOptional<Builtin.NativeObject>):
strong_release %0 : $Builtin.NativeObject
strong_retain %0 : $Builtin.NativeObject
release_value %1 : $FakeOptional<Builtin.NativeObject>
retain_value %1 : $FakeOptional<Builtin.NativeObject>
return %0 : $Builtin.NativeObject
}
// CHECK-LABEL: sil @unchecked_ref_cast_unchecked_ref_cast_round_trip
// CHECK: bb0
// CHECK-NEXT: return
sil @unchecked_ref_cast_unchecked_ref_cast_round_trip : $@convention(thin) <T_0_0, T_0_1> (HeapBufferStorage<T_0_0, T_0_1>) -> HeapBufferStorage<T_0_0, T_0_1> {
bb0(%0 : $HeapBufferStorage<T_0_0, T_0_1>):
%1 = unchecked_ref_cast %0 : $HeapBufferStorage<T_0_0, T_0_1> to $Builtin.NativeObject
%2 = unchecked_ref_cast %1 : $Builtin.NativeObject to $HeapBufferStorage<T_0_0, T_0_1>
return %2 : $HeapBufferStorage<T_0_0, T_0_1>
}
// CHECK-LABEL: sil @raw_pointer_to_ref_ref_to_raw_pointer_round_trip
// CHECK: bb0
// CHECK-NEXT: return
sil @raw_pointer_to_ref_ref_to_raw_pointer_round_trip : $@convention(thin) (Builtin.RawPointer) -> Builtin.RawPointer {
bb0(%0 : $Builtin.RawPointer):
%1 = raw_pointer_to_ref %0 : $Builtin.RawPointer to $C
%2 = ref_to_raw_pointer %1 : $C to $Builtin.RawPointer
return %2 : $Builtin.RawPointer
}
////////////////////////////////////////////
// Load Proj To GEP Load Canonicalization //
////////////////////////////////////////////
struct Y {
var int : Builtin.Int64
var ptr : Builtin.NativeObject
var tup : (Builtin.Int32, Builtin.Int1)
}
struct X {
var y : Y
var t : (Builtin.NativeObject, Y)
}
sil @mix1 : $@convention(thin) (Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
sil @mix2 : $@convention(thin) (Builtin.NativeObject, Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
// CHECK-LABEL: sil @load_proj_to_gep_load_canonicalization_no_rep_no_other_use_test : $@convention(thin) (@inout X) -> ()
// CHECK-NOT: struct_extract
// CHECK-NOT: tuple_extract
sil @load_proj_to_gep_load_canonicalization_no_rep_no_other_use_test : $@convention(thin) (@inout X) -> () {
bb0(%0 : $*X):
%1 = load %0 : $*X
%2 = struct_extract %1 : $X, #X.y
%3 = struct_extract %2 : $Y, #Y.int
%4 = struct_extract %2 : $Y, #Y.ptr
%5 = struct_extract %2 : $Y, #Y.tup
%6 = tuple_extract %5 : $(Builtin.Int32, Builtin.Int1), 0
%7 = tuple_extract %5 : $(Builtin.Int32, Builtin.Int1), 1
%8 = struct_extract %1 : $X, #X.t
%9 = tuple_extract %8 : $(Builtin.NativeObject, Y), 0
%10 = tuple_extract %8 : $(Builtin.NativeObject, Y), 1
%11 = struct_extract %10 : $Y, #Y.int
%12 = struct_extract %10 : $Y, #Y.ptr
%13 = struct_extract %10 : $Y, #Y.tup
%14 = tuple_extract %13 : $(Builtin.Int32, Builtin.Int1), 0
%15 = tuple_extract %13 : $(Builtin.Int32, Builtin.Int1), 1
%16 = function_ref @mix1 : $@convention(thin) (Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
apply %16(%3, %4, %6, %7) : $@convention(thin) (Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
%17 = function_ref @mix2 : $@convention(thin) (Builtin.NativeObject, Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
apply %17(%9, %11, %12, %14, %15) : $@convention(thin) (Builtin.NativeObject, Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
%18 = tuple()
return %18 : $()
}
// CHECK-LABEL: sil @load_proj_to_gep_load_canonicalization_with_rep_no_other_use_test : $@convention(thin) (@inout X) -> ()
// CHECK-NOT: struct_extract
// CHECK-NOT: tuple_extract
// CHECK: apply {{%[0-9]+}}([[ARG1:%[0-9]+]], [[ARG2:%[0-9]+]], [[ARG3:%[0-9]+]], [[ARG4:%[0-9]+]]
// CHECK-NEXT: apply {{%[0-9]+}}([[ARG1]], [[ARG2]], [[ARG3]], [[ARG4]]
// CHECK-NOT: struct_extract
// CHECK-NOT: tuple_extract
sil @load_proj_to_gep_load_canonicalization_with_rep_no_other_use_test : $@convention(thin) (@inout X) -> () {
bb0(%0 : $*X):
%1 = load %0 : $*X
%2 = struct_extract %1 : $X, #X.y
%3 = struct_extract %2 : $Y, #Y.int
%4 = struct_extract %2 : $Y, #Y.ptr
%5 = struct_extract %2 : $Y, #Y.tup
%6 = tuple_extract %5 : $(Builtin.Int32, Builtin.Int1), 0
%7 = tuple_extract %5 : $(Builtin.Int32, Builtin.Int1), 1
%16 = function_ref @mix1 : $@convention(thin) (Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
apply %16(%3, %4, %6, %7) : $@convention(thin) (Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
%19 = struct_extract %2 : $Y, #Y.int
%20 = struct_extract %2 : $Y, #Y.ptr
%21 = struct_extract %2 : $Y, #Y.tup
%22 = tuple_extract %21 : $(Builtin.Int32, Builtin.Int1), 0
%23 = tuple_extract %21 : $(Builtin.Int32, Builtin.Int1), 1
apply %16(%19, %20, %22, %23) : $@convention(thin) (Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
%18 = tuple()
return %18 : $()
}
sil @disrupting_use : $@convention(thin) (Y) -> ()
// CHECK-LABEL: sil @load_proj_to_gep_load_canonicalization_no_rep_with_disrupting_use_test : $@convention(thin) (@inout X) -> ()
// CHECK: bb0
// CHECK-NEXT: struct_element_addr
// CHECK-NEXT: struct_element_addr
// CHECK-NEXT: load
// CHECK-NEXT: struct_element_addr
// CHECK-NEXT: load
// CHECK-NEXT: struct_element_addr
// CHECK-NEXT: tuple_element_addr
// CHECK-NEXT: load
// CHECK-NEXT: tuple_element_addr
// CHECK-NEXT: load
// CHECK-NEXT: struct_element_addr
// CHECK-NEXT: tuple_element_addr
// CHECK-NEXT: load
// CHECK-NEXT: tuple_element_addr
// CHECK-NEXT: load
// CHECK-NEXT: struct_extract
// CHECK-NEXT: struct_extract
// CHECK-NEXT: struct_extract
// CHECK-NEXT: tuple_extract
// CHECK-NEXT: tuple_extract
// CHECK-NEXT: function_ref
// CHECK-NEXT: function_ref
// CHECK-NEXT: apply
// CHECK-NEXT: function_ref
// CHECK-NEXT: function_ref
// CHECK-NEXT: apply
// CHECK-NEXT: function_ref
// CHECK-NEXT: function_ref
// CHECK-NEXT: apply
// CHECK-NEXT: tuple
// CHECK-NEXT: return
sil @load_proj_to_gep_load_canonicalization_no_rep_with_disrupting_use_test : $@convention(thin) (@inout X) -> () {
bb0(%0 : $*X):
%1 = load %0 : $*X
%2 = struct_extract %1 : $X, #X.y
%3 = struct_extract %2 : $Y, #Y.int
%4 = struct_extract %2 : $Y, #Y.ptr
%5 = struct_extract %2 : $Y, #Y.tup
%6 = tuple_extract %5 : $(Builtin.Int32, Builtin.Int1), 0
%7 = tuple_extract %5 : $(Builtin.Int32, Builtin.Int1), 1
%8 = struct_extract %1 : $X, #X.t
%9 = tuple_extract %8 : $(Builtin.NativeObject, Y), 0
%10 = tuple_extract %8 : $(Builtin.NativeObject, Y), 1
%11 = struct_extract %10 : $Y, #Y.int
%12 = struct_extract %10 : $Y, #Y.ptr
%13 = struct_extract %10 : $Y, #Y.tup
%14 = tuple_extract %13 : $(Builtin.Int32, Builtin.Int1), 0
%15 = tuple_extract %13 : $(Builtin.Int32, Builtin.Int1), 1
%16 = function_ref @mix1 : $@convention(thin) (Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
apply %16(%3, %4, %6, %7) : $@convention(thin) (Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
%17 = function_ref @mix2 : $@convention(thin) (Builtin.NativeObject, Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
apply %17(%9, %11, %12, %14, %15) : $@convention(thin) (Builtin.NativeObject, Builtin.Int64, Builtin.NativeObject, Builtin.Int32, Builtin.Int1) -> ()
%18 = function_ref @disrupting_use : $@convention(thin) (Y) -> ()
apply %18(%10) : $@convention(thin) (Y) -> ()
%19 = tuple()
return %19 : $()
}
sil @stringcore_invariant_check : $@convention(thin) (@owned _StringCore) -> @owned Optional<_CocoaStringType>
sil @reabstruction_thunk : $@convention(thin) (@out Optional<_CocoaStringType>, @owned @callee_owned () -> @owned Optional<_CocoaStringType>) -> ()
// CHECK-LABEL: sil @dead_closure_elimination : $@convention(thin) (@owned _StringCore) -> ()
// CHECK: bb0
// CHECK-NEXT: release_value
// CHECK-NEXT: tuple
// CHECK-NEXT: return
sil @dead_closure_elimination : $@convention(thin) (@owned _StringCore) -> () {
bb0(%0 : $_StringCore):
%1 = function_ref @stringcore_invariant_check : $@convention(thin) (@owned _StringCore) -> @owned Optional<_CocoaStringType>
%2 = partial_apply %1(%0) : $@convention(thin) (@owned _StringCore) -> @owned Optional<_CocoaStringType>
%3 = function_ref @reabstruction_thunk : $@convention(thin) (@out Optional<_CocoaStringType>, @owned @callee_owned () -> @owned Optional<_CocoaStringType>) -> ()
%4 = partial_apply %3(%2) : $@convention(thin) (@out Optional<_CocoaStringType>, @owned @callee_owned () -> @owned Optional<_CocoaStringType>) -> ()
strong_release %4 : $@callee_owned (@out Optional<_CocoaStringType>) -> ()
%5 = tuple()
return %5 : $()
}
// CHECK-LABEL: sil @dead_closure_elimination2
// CHECK: bb0
// CHECK-NEXT: br bb1
// CHECK: bb1
// CHECK-NEXT: release_value
// CHECK-NEXT: tuple
// CHECK-NEXT: return
sil @dead_closure_elimination2 : $@convention(thin) (@owned _StringCore) -> () {
bb0(%0 : $_StringCore):
%1 = function_ref @stringcore_invariant_check : $@convention(thin) (@owned _StringCore) -> @owned Optional<_CocoaStringType>
%2 = partial_apply %1(%0) : $@convention(thin) (@owned _StringCore) -> @owned Optional<_CocoaStringType>
%3 = function_ref @reabstruction_thunk : $@convention(thin) (@out Optional<_CocoaStringType>, @owned @callee_owned () -> @owned Optional<_CocoaStringType>) -> ()
%4 = partial_apply %3(%2) : $@convention(thin) (@out Optional<_CocoaStringType>, @owned @callee_owned () -> @owned Optional<_CocoaStringType>) -> ()
br bb1
bb1:
strong_retain %4 : $@callee_owned (@out Optional<_CocoaStringType>) -> ()
strong_release %4 : $@callee_owned (@out Optional<_CocoaStringType>) -> ()
strong_release %4 : $@callee_owned (@out Optional<_CocoaStringType>) -> ()
%5 = tuple()
return %5 : $()
}
sil @unbalanced_closure : $@convention(thin) (@guaranteed B) -> ()
// CHECK-LABEL: sil @partial_apply_unbalanced_retain_release
sil @partial_apply_unbalanced_retain_release : $@convention(thin) (@owned B) -> () {
// CHECK: bb0
bb0(%0 : $B):
%1 = function_ref @unbalanced_closure : $@convention(thin) (@guaranteed B) -> ()
// CHECK-NOT: partial_apply
%2 = partial_apply %1(%0) : $@convention(thin) (@guaranteed B) -> ()
// Check that the arguments of the closure are released after its last use
// CHECK-NEXT: strong_release %0 : $B
strong_retain %2 : $@callee_owned () -> ()
// CHECK-NEXT: unreachable
unreachable
}
class C1 {}
class C2 : C1 {}
class C3 : C2 {}
// CHECK-LABEL: sil @upcast_upcast_merge
// CHECK: bb0
// CHECK-NEXT: upcast
// CHECK-NEXT: return
sil @upcast_upcast_merge : $@convention(thin)(C3) -> C1 {
bb0(%0 : $C3):
%1 = upcast %0 : $C3 to $C2
%2 = upcast %1 : $C2 to $C1
return %2 : $C1
}
struct XS {
var m: Int
var k: Float
init(x: XS)
}
//CHECK-LABEL: strc_from_extr
//CHECK-NOT: struct_extract
//CHECK-NOT: struct
//CHECK: return
sil @strc_from_extr : $@convention(thin) (XS, @thin XS.Type) -> XS {
bb0(%0 : $XS, %1 : $@thin XS.Type):
%2 = struct_extract %0 : $XS, #XS.m
%3 = struct_extract %0 : $XS, #XS.k
%4 = struct $XS (%2 : $Int, %3 : $Float)
return %4 : $XS
}
//CHECK-LABEL: tup_from_extr_tup
//CHECK-NOT: tuple_extract
//CHECK-NOT: tuple
//CHECK: return
sil @tup_from_extr_tup : $@convention(thin) () -> (Int, Int) {
bb0:
// function_ref x
%0 = function_ref @tup_from_extr_tup : $@convention(thin) () -> (Int, Int) // user: %1
%1 = apply %0() : $@convention(thin) () -> (Int, Int) // users: %2, %3
%2 = tuple_extract %1 : $(Int, Int), 0 // user: %4
%3 = tuple_extract %1 : $(Int, Int), 1 // user: %4
%4 = tuple (%2 : $Int, %3 : $Int) // user: %5
return %4 : $(Int, Int) // id: %5
}
// CHECK-LABEL: sil @apply_and_pa_merge
// CHECK-NOT: partial_apply
// CHECK: [[C:%.*]] = function_ref @some_closure
// CHECK: [[P:%.*]] = function_ref @print_a_number
// CHECK: [[R1:%.*]] = apply [[C]](
// CHECK: = apply [[P]]([[R1]]
// CHECK: return
sil @apply_and_pa_merge : $@convention(thin) (Int) -> () {
bb0(%0 : $Int):
%1 = function_ref @some_closure : $@convention(thin) (Int) -> Int // user: %2
%2 = partial_apply %1(%0) : $@convention(thin) (Int) -> Int // users: %4, %5, %7
%3 = function_ref @print_a_number : $@convention(thin) (Int) -> () // user: %6
strong_retain %2 : $@callee_owned () -> Int // id: %4
%5 = apply %2() : $@callee_owned () -> Int // user: %6
%6 = apply %3(%5) : $@convention(thin) (Int) -> ()
strong_release %2 : $@callee_owned () -> Int // id: %7
%8 = tuple () // user: %9
return %8 : $() // id: %9
}
sil @some_closure : $@convention(thin) (Int) -> Int
sil @print_a_number : $@convention(thin) (Int) -> ()
// CHECK-LABEL: sil @applied
sil @applied : $@convention(thin) (Builtin.Int32) -> Builtin.Int32 {
bb0(%0 : $Builtin.Int32):
// CHECK: return
return %0 : $Builtin.Int32
}
// CHECK-LABEL: sil @combine_partial_apply_with_apply
sil @combine_partial_apply_with_apply : $@convention(thin) (Builtin.Int32) -> Builtin.Int32 {
bb0(%0 : $Builtin.Int32):
// CHECK: [[APPLIED:%.*]] = function_ref @applied
%2 = function_ref @applied : $@convention(thin) (Builtin.Int32) -> Builtin.Int32
// CHECK: [[THICK:%.*]] = thin_to_thick_function [[APPLIED]]
%3 = thin_to_thick_function %2 : $@convention(thin) (Builtin.Int32) -> Builtin.Int32 to $@callee_owned (Builtin.Int32) -> Builtin.Int32
// CHECK: [[REABSTRACT:%.*]] = function_ref @reabstract
%4 = function_ref @reabstract : $@convention(thin) (@out Builtin.Int32, Builtin.Int32, @owned @callee_owned (Builtin.Int32) -> Builtin.Int32) -> ()
// CHECK-NOT: partial_apply
%5 = partial_apply %4(%3) : $@convention(thin) (@out Builtin.Int32, Builtin.Int32, @owned @callee_owned (Builtin.Int32) -> Builtin.Int32) -> ()
// CHECK: [[TMP:%.*]] = alloc_stack $Builtin.Int32
%6 = alloc_stack $Builtin.Int32
// CHECK-NOT: strong_retain
strong_retain %5 : $@callee_owned (@out Builtin.Int32, Builtin.Int32) -> ()
// CHECK: apply [[REABSTRACT]]([[TMP]]#1, %0, [[THICK]])
%8 = apply %5(%6#1, %0) : $@callee_owned (@out Builtin.Int32, Builtin.Int32) -> ()
// CHECK-NOT: strong_release
strong_release %5 : $@callee_owned (@out Builtin.Int32, Builtin.Int32) -> ()
// CHECK-NOT: tuple
%10 = tuple ()
// CHECK: [[RESULT:%.*]] = load [[TMP]]#1
%11 = load %6#1 : $*Builtin.Int32
// CHECK: dealloc_stack [[TMP]]#0
dealloc_stack %6#0 : $*@local_storage Builtin.Int32
// CHECK: return [[RESULT]]
return %11 : $Builtin.Int32
}
// CHECK-LABEL: sil shared [transparent] @reabstract
sil shared [transparent] @reabstract : $@convention(thin) (@out Builtin.Int32, Builtin.Int32, @owned @callee_owned (Builtin.Int32) -> Builtin.Int32) -> () {
bb0(%0 : $*Builtin.Int32, %1 : $Builtin.Int32, %2 : $@callee_owned (Builtin.Int32) -> Builtin.Int32):
%3 = apply %2(%1) : $@callee_owned (Builtin.Int32) -> Builtin.Int32
store %3 to %0 : $*Builtin.Int32
%5 = tuple ()
// CHECK: return
return %5 : $()
}
//CHECK-LABEL: remove_init_ex
//CHECK: alloc_stack $Bool
//CHECK-NOT: init_existential_addr
//CHECK: return
sil @remove_init_ex : $@convention(thin) (Int) -> () {
bb0(%0 : $Int):
%1 = alloc_stack $BooleanType
%2 = init_existential_addr %1#1 : $*BooleanType, $Bool
%3 = integer_literal $Builtin.Int1, 1
%4 = struct $Bool (%3 : $Builtin.Int1)
store %4 to %2 : $*Bool
destroy_addr %1#1 : $*BooleanType
dealloc_stack %1#0 : $*@local_storage BooleanType
%8 = tuple ()
return %8 : $()
}
// CHECK-LABEL: sil @generic_is_objc
sil @generic_is_objc : $@convention(thin) <T> (@in T) -> Int8 {
bb0(%0 : $*T):
// CHECK: [[TYPE:%[a-zA-Z0-9]+]] = metatype $@thick [[ARCH:[a-zA-Z]+]].Type
%1 = metatype $@thick T.Type // user: %3
// CHECK: builtin "canBeClass"<[[ARCH]]>([[TYPE]] : $@thick [[ARCH]].Type)
%3 = builtin "canBeClass"<T>(%1 : $@thick T.Type) : $Builtin.Int8 // user: %4
%4 = struct $Int8 (%3 : $Builtin.Int8) // user: %6
destroy_addr %0 : $*T // id: %5
return %4 : $Int8 // id: %6
}
// CHECK-LABEL: sil @is_int_objc
sil @is_int_objc : $@convention(thin) (Int) -> Int8 {
bb0(%0 : $Int):
%1 = metatype $@thick Int.Type // user: %3
// CHECK-NOT: builtin "canBeClass"
// CHECK-NOT: apply
%3 = builtin "canBeClass"<Int>(%1 : $@thick Int.Type) : $Builtin.Int8 // user: %4
// CHECK: [[LITERAL:%[a-zA-Z0-9]+]] = integer_literal $Builtin.Int8, 0
// CHECK: [[RESULT:%[a-zA-Z0-9]+]] = struct $Int8 ([[LITERAL]] : $Builtin.Int8)
%4 = struct $Int8 (%3 : $Builtin.Int8) // user: %5
// CHECK: return [[RESULT]] : $Int8
return %4 : $Int8 // id: %5
}
@objc class MyClass {
}
// CHECK-LABEL: sil @is_objc_class_objc
sil @is_objc_class_objc : $@convention(thin) (@owned MyClass) -> Int8 {
bb0(%0 : $MyClass):
%1 = metatype $@thick MyClass.Type // user: %3
// CHECK-NOT: builtin "canBeClass"
%3 = builtin "canBeClass"<MyClass>(%1 : $@thick MyClass.Type) : $Builtin.Int8 // user: %4
// CHECK: [[LITERAL:%[a-zA-Z0-9]+]] = integer_literal $Builtin.Int8, 1
// CHECK: [[RESULT:%[a-zA-Z0-9]+]] = struct $Int8 ([[LITERAL]] : $Builtin.Int8)
%4 = struct $Int8 (%3 : $Builtin.Int8) // user: %6
strong_release %0 : $MyClass // id: %5
// CHECK: return [[RESULT]] : $Int8
return %4 : $Int8 // id: %6
}
// CHECK-LABEL: sil @constant_expect_hint
// CHECK: bb0:
// CHECK-NEXT: [[INT1:%[0-9]+]] = integer_literal $Builtin.Int1, 0
// CHECK-NEXT: [[INT2:%[0-9]+]] = integer_literal $Builtin.Int32, 5
// CHECK-NEXT: [[INT3:%[0-9]+]] = integer_literal $Builtin.Int64, 32
// CHECK-NEXT: [[TUPLE:%[0-9]+]] = tuple ([[INT1]] : $Builtin.Int1, [[INT2]] : $Builtin.Int32, [[INT3]] : $Builtin.Int64)
// CHECK-NEXT: return [[TUPLE]]
// CHECK-NEXT: }
sil @constant_expect_hint : $@convention(thin) () -> (Builtin.Int1, Builtin.Int32, Builtin.Int64) {
bb0:
%0 = integer_literal $Builtin.Int1, 0
%1 = integer_literal $Builtin.Int32, 5
%2 = integer_literal $Builtin.Int64, 32
%3 = integer_literal $Builtin.Int1, 1
%4 = integer_literal $Builtin.Int32, 400
%5 = integer_literal $Builtin.Int64, 5000
%9 = builtin "int_expect_Int1"(%0 : $Builtin.Int1, %3 : $Builtin.Int1) : $Builtin.Int1
%10 = builtin "int_expect_Int32"(%1 : $Builtin.Int32, %4 : $Builtin.Int32) : $Builtin.Int32
%11 = builtin "int_expect_Int64"(%2 : $Builtin.Int64, %5 : $Builtin.Int64) : $Builtin.Int64
%12 = tuple (%9 : $Builtin.Int1, %10 : $Builtin.Int32, %11 : $Builtin.Int64)
return %12 : $(Builtin.Int1, Builtin.Int32, Builtin.Int64)
}
// CHECK-LABEL: @_TF6expect3fooFSiSi
// CHECK: bb0
// CHECK-NEXT: cond_br %0, bb2, bb1
sil @_TF6expect3fooFSiSi : $@convention(thin) (Builtin.Int1) -> Int32 {
bb0(%0 : $Builtin.Int1):
%5 = integer_literal $Builtin.Int1, -1
%9 = builtin "xor_Int1"(%0 : $Builtin.Int1, %5 : $Builtin.Int1) : $Builtin.Int1
cond_br %9, bb1, bb2 // id: %10
bb1: // Preds: bb0
%1 = integer_literal $Builtin.Int32, 0
%2 = struct $Int32 (%1 : $Builtin.Int32) // user: %12
br bb3(%2 : $Int32) // id: %12
bb2: // Preds: bb0
%3 = integer_literal $Builtin.Int32, 1
%4 = struct $Int32 (%3 : $Builtin.Int32) // user: %12
br bb3(%4 : $Int32) // id: %15
bb3(%16 : $Int32): // Preds: bb1 bb2
return %16 : $Int32 // id: %17
}
// CHECK-LABEL: sil @enum_promotion_of_concrete_types
// CHECK: bb0([[INT_PTR:%[0-9]+]]
// CHECK-NEXT: [[ALLOCA1:%[0-9]+]] = alloc_stack $FakeOptional<Builtin.Int1>
// CHECK-NEXT: [[ENUM1:%[0-9]+]] = enum $FakeOptional<Builtin.Int1>, #FakeOptional.None!enumelt
// CHECK-NEXT: store [[ENUM1]] to [[ALLOCA1]]#1
// CHECK-NEXT: [[ALLOCA2:%[0-9]+]] = alloc_stack $FakeOptional<Builtin.Int1>
// CHECK-NEXT: [[INT:%[0-9]+]] = load [[INT_PTR]] : $*Builtin.Int1
// CHECK-NEXT: [[ENUM2:%[0-9]+]] = enum $FakeOptional<Builtin.Int1>, #FakeOptional.Some!enumelt.1, [[INT]] : $Builtin.Int1
// CHECK-NEXT: store [[ENUM2]] to [[ALLOCA2]]#1 : $*FakeOptional<Builtin.Int1>
// CHECK-NEXT: [[RESULT1:%[0-9]+]] = load [[ALLOCA1:%[0-9]+]]#1
// CHECK-NEXT: [[RESULT2:%[0-9]+]] = load [[ALLOCA2:%[0-9]+]]#1
// CHECK-NEXT: [[RESULT:%[0-9]+]] = tuple ([[RESULT1]] : $FakeOptional<Builtin.Int1>, [[RESULT2]] : $FakeOptional<Builtin.Int1>)
// CHECK-NEXT: dealloc_stack
// CHECK-NEXT: dealloc_stack
// CHECK-NEXT: return [[RESULT]]
sil @enum_promotion_of_concrete_types : $@convention(thin) (@in Builtin.Int1) -> (FakeOptional<Builtin.Int1>, FakeOptional<Builtin.Int1>) {
bb0(%0 : $*Builtin.Int1):
%1 = alloc_stack $FakeOptional<Builtin.Int1>