mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
103d3c2f85
Print `forwarding: <ownership>` if the ownership of the result mismatches the operand ownership(s). We already do this for all other forwarding instructions, but `struct` and `tuple` were missing.
109 lines
3.0 KiB
Plaintext
109 lines
3.0 KiB
Plaintext
// RUN: %target-sil-opt %s | %FileCheck %s
|
|
sil_stage canonical
|
|
|
|
import Builtin
|
|
import Swift
|
|
|
|
class Klass {
|
|
}
|
|
class SubKlass : Klass {
|
|
}
|
|
|
|
enum E {
|
|
case A
|
|
case B(AnyObject)
|
|
}
|
|
|
|
|
|
struct NonTrivialStruct {
|
|
var id:Klass
|
|
}
|
|
|
|
struct S {
|
|
var i: Int
|
|
var e: E
|
|
}
|
|
|
|
// CHECK-LABEL: sil [ossa] @unchecked_ref_cast_test :
|
|
sil [ossa] @unchecked_ref_cast_test : $@convention(thin) <T> (@in T, @owned Klass) -> () {
|
|
bb0(%0 : $*T, %1 : @owned $Klass):
|
|
destroy_addr %0 : $*T
|
|
// CHECK: unchecked_ref_cast %1 to $Optional<Klass>, forwarding: @unowned
|
|
%3 = unchecked_ref_cast %1 : $Klass to $Optional<Klass>, forwarding: @unowned
|
|
%4 = copy_value %3 : $Optional<Klass>
|
|
destroy_value %1 : $Klass
|
|
destroy_value %4 : $Optional<Klass>
|
|
%8 = tuple ()
|
|
return %8 : $()
|
|
}
|
|
// CHECK-LABEL: } // end sil function 'unchecked_ref_cast_test'
|
|
|
|
// CHECK-LABEL: sil [ossa] @struct_test :
|
|
sil [ossa] @struct_test : $@convention(thin) (@owned Klass) -> () {
|
|
bb0(%0 : @owned $Klass):
|
|
// CHECK-NOT: forwarding:
|
|
%3 = struct $NonTrivialStruct (%0 : $Klass), forwarding: @owned
|
|
destroy_value %3 : $NonTrivialStruct
|
|
%8 = tuple ()
|
|
return %8 : $()
|
|
}
|
|
// CHECK-LABEL: } // end sil function 'struct_test'
|
|
|
|
// CHECK-LABEL: sil [ossa] @none_to_owned_struct :
|
|
// CHECK: %2 = struct $S (%0, %1), forwarding: @owned
|
|
// CHECK-LABEL: } // end sil function 'none_to_owned_struct'
|
|
sil [ossa] @none_to_owned_struct : $@convention(thin) (Int) -> @owned S {
|
|
bb0(%0 : $Int):
|
|
%1 = enum $E, #E.A!enumelt
|
|
%2 = struct $S (%0, %1), forwarding: @owned
|
|
return %2
|
|
}
|
|
|
|
// CHECK-LABEL: sil [ossa] @none_to_owned_tuple :
|
|
// CHECK: %2 = tuple (%0, %1), forwarding: @owned
|
|
// CHECK-LABEL: } // end sil function 'none_to_owned_tuple'
|
|
sil [ossa] @none_to_owned_tuple : $@convention(thin) (Int) -> @owned (Int, E) {
|
|
bb0(%0 : $Int):
|
|
%1 = enum $E, #E.A!enumelt
|
|
%2 = tuple (%0, %1), forwarding: @owned
|
|
return %2
|
|
}
|
|
|
|
// CHECK-LABEL: sil [ossa] @switch_test : $@convention(thin) () -> () {
|
|
// CHECK: switch_enum {{.*}}, forwarding: @guaranteed
|
|
// CHECK-LABEL: } // end sil function 'switch_test'
|
|
sil [ossa] @switch_test : $@convention(thin) () -> () {
|
|
%none = enum $Optional<Klass>, #Optional.none
|
|
switch_enum %none : $Optional<Klass>, case #Optional.some!enumelt:bb1, case #Optional.none!enumelt:bb2, forwarding: @guaranteed
|
|
|
|
bb1(%arg : @guaranteed $Klass):
|
|
br bb3
|
|
|
|
bb2:
|
|
br bb3
|
|
|
|
bb3:
|
|
%8 = tuple ()
|
|
return %8 : $()
|
|
}
|
|
|
|
// CHECK-LABEL: sil [ossa] @checked_cast_test : $@convention(thin) (@owned Klass) -> () {
|
|
// CHECK: checked_cast_br {{.*}}, forwarding: @guaranteed
|
|
// CHECK-LABEL: } // end sil function 'checked_cast_test'
|
|
sil [ossa] @checked_cast_test : $@convention(thin) (@owned Klass) -> () {
|
|
bb0(%0 : @owned $Klass):
|
|
%trivial = unchecked_ownership_conversion %0 : $Klass, @owned to @none
|
|
checked_cast_br Klass in %trivial : $Klass to SubKlass, bb1, bb2, forwarding: @guaranteed
|
|
|
|
bb1(%arg1 : @guaranteed $SubKlass):
|
|
br bb3
|
|
|
|
bb2(%arg2: @guaranteed $Klass):
|
|
br bb3
|
|
|
|
bb3:
|
|
destroy_value %0 : $Klass
|
|
%8 = tuple ()
|
|
return %8 : $()
|
|
}
|