mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
94ce4c2ac3
Otherwise, we don't want them to be linkonce_odr at the LLVM level to avoid unnecessary link-time overhead.
70 lines
3.1 KiB
Swift
70 lines
3.1 KiB
Swift
// RUN: %target-swift-frontend -parse-as-library -emit-silgen -enable-guaranteed-closure-contexts %s | %FileCheck %s
|
|
|
|
func use<T>(_: T) {}
|
|
|
|
func escape(_ f: () -> ()) {}
|
|
|
|
protocol P {}
|
|
class C: P {}
|
|
struct S {}
|
|
|
|
// CHECK-LABEL: sil hidden @_T026guaranteed_closure_context0A9_capturesyyF
|
|
func guaranteed_captures() {
|
|
// CHECK: [[MUTABLE_TRIVIAL_BOX:%.*]] = alloc_box ${ var S }
|
|
var mutableTrivial = S()
|
|
// CHECK: [[MUTABLE_RETAINABLE_BOX:%.*]] = alloc_box ${ var C }
|
|
var mutableRetainable = C()
|
|
// CHECK: [[MUTABLE_ADDRESS_ONLY_BOX:%.*]] = alloc_box ${ var P }
|
|
var mutableAddressOnly: P = C()
|
|
|
|
// CHECK: [[IMMUTABLE_TRIVIAL:%.*]] = apply {{.*}} -> S
|
|
let immutableTrivial = S()
|
|
// CHECK: [[IMMUTABLE_RETAINABLE:%.*]] = apply {{.*}} -> @owned C
|
|
let immutableRetainable = C()
|
|
// CHECK: [[IMMUTABLE_ADDRESS_ONLY:%.*]] = alloc_stack $P
|
|
let immutableAddressOnly: P = C()
|
|
|
|
func captureEverything() {
|
|
use((mutableTrivial, mutableRetainable, mutableAddressOnly,
|
|
immutableTrivial, immutableRetainable, immutableAddressOnly))
|
|
}
|
|
|
|
// CHECK-NOT: copy_value [[MUTABLE_TRIVIAL_BOX]]
|
|
// CHECK-NOT: copy_value [[MUTABLE_RETAINABLE_BOX]]
|
|
// CHECK-NOT: copy_value [[MUTABLE_ADDRESS_ONLY_BOX]]
|
|
// CHECK-NOT: copy_value [[IMMUTABLE_RETAINABLE]]
|
|
// CHECK: [[IMMUTABLE_AO_BOX:%.*]] = alloc_box ${ var P }
|
|
|
|
// CHECK: [[FN:%.*]] = function_ref [[FN_NAME:@_T026guaranteed_closure_context0A9_capturesyyF17captureEverythingL_yyF]]
|
|
// CHECK: apply [[FN]]([[MUTABLE_TRIVIAL_BOX]], [[MUTABLE_RETAINABLE_BOX]], [[MUTABLE_ADDRESS_ONLY_BOX]], [[IMMUTABLE_TRIVIAL]], [[IMMUTABLE_RETAINABLE]], [[IMMUTABLE_AO_BOX]])
|
|
captureEverything()
|
|
|
|
// CHECK: destroy_value [[IMMUTABLE_AO_BOX]]
|
|
|
|
// CHECK-NOT: copy_value [[MUTABLE_TRIVIAL_BOX]]
|
|
// CHECK-NOT: copy_value [[MUTABLE_RETAINABLE_BOX]]
|
|
// CHECK-NOT: copy_value [[MUTABLE_ADDRESS_ONLY_BOX]]
|
|
// CHECK-NOT: copy_value [[IMMUTABLE_RETAINABLE]]
|
|
|
|
// -- partial_apply still takes ownership of its arguments.
|
|
// CHECK: [[FN:%.*]] = function_ref [[FN_NAME]]
|
|
// CHECK: [[MUTABLE_TRIVIAL_BOX_COPY:%.*]] = copy_value [[MUTABLE_TRIVIAL_BOX]]
|
|
// CHECK: [[MUTABLE_RETAINABLE_BOX_COPY:%.*]] = copy_value [[MUTABLE_RETAINABLE_BOX]]
|
|
// CHECK: [[MUTABLE_ADDRESS_ONLY_BOX_COPY:%.*]] = copy_value [[MUTABLE_ADDRESS_ONLY_BOX]]
|
|
// CHECK: [[IMMUTABLE_RETAINABLE_COPY:%.*]] = copy_value [[IMMUTABLE_RETAINABLE]]
|
|
// CHECK: [[IMMUTABLE_AO_BOX:%.*]] = alloc_box ${ var P }
|
|
// CHECK: [[CLOSURE:%.*]] = partial_apply {{.*}}([[MUTABLE_TRIVIAL_BOX_COPY]], [[MUTABLE_RETAINABLE_BOX_COPY]], [[MUTABLE_ADDRESS_ONLY_BOX_COPY]], [[IMMUTABLE_TRIVIAL]], [[IMMUTABLE_RETAINABLE_COPY]], [[IMMUTABLE_AO_BOX]])
|
|
// CHECK: apply {{.*}}[[CLOSURE]]
|
|
|
|
// CHECK-NOT: copy_value [[MUTABLE_TRIVIAL_BOX]]
|
|
// CHECK-NOT: copy_value [[MUTABLE_RETAINABLE_BOX]]
|
|
// CHECK-NOT: copy_value [[MUTABLE_ADDRESS_ONLY_BOX]]
|
|
// CHECK-NOT: copy_value [[IMMUTABLE_RETAINABLE]]
|
|
// CHECK-NOT: destroy_value [[IMMUTABLE_AO_BOX]]
|
|
|
|
escape(captureEverything)
|
|
|
|
}
|
|
|
|
// CHECK: sil private [[FN_NAME]] : $@convention(thin) (@guaranteed { var S }, @guaranteed { var C }, @guaranteed { var P }, S, @guaranteed C, @guaranteed { var P })
|