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// RUN: %target-swift-emit-silgen -module-name access_marker_gen -parse-as-library -Xllvm -sil-full-demangle -enforce-exclusivity=checked %s | %FileCheck %s
func modify<T>(_ x: inout T) {}
public struct S {
var i: Int
var o: AnyObject?
}
// CHECK-LABEL: sil hidden [noinline] [ossa] @$s17access_marker_gen5initSyAA1SVyXlSgF : $@convention(thin) (@guaranteed Optional<AnyObject>) -> @owned S {
// CHECK: bb0(%0 : @guaranteed $Optional<AnyObject>):
// CHECK: [[BOX:%.*]] = alloc_box ${ var S }, var, name "s"
// CHECK: [[MARKED_BOX:%.*]] = mark_uninitialized [var] [[BOX]] : ${ var S }
// CHECK: [[BOX_LIFETIME:%[^,]+]] = begin_borrow [lexical] [var_decl] [[MARKED_BOX]]
// CHECK: [[ADDR:%.*]] = project_box [[BOX_LIFETIME]] : ${ var S }, 0
// CHECK: cond_br %{{.*}}, bb1, bb2
// CHECK: bb1:
// CHECK: [[ACCESS1:%.*]] = begin_access [modify] [unknown] [[ADDR]] : $*S
// CHECK: assign %{{.*}} to [[ACCESS1]] : $*S
// CHECK: end_access [[ACCESS1]] : $*S
// CHECK: bb2:
// CHECK: [[ACCESS2:%.*]] = begin_access [modify] [unknown] [[ADDR]] : $*S
// CHECK: assign %{{.*}} to [[ACCESS2]] : $*S
// CHECK: end_access [[ACCESS2]] : $*S
// CHECK: bb3:
// CHECK: [[ACCESS3:%.*]] = begin_access [read] [unknown] [[ADDR]] : $*S
// CHECK: [[RET:%.*]] = load [copy] [[ACCESS3]] : $*S
// CHECK: end_access [[ACCESS3]] : $*S
// CHECK: return [[RET]] : $S
// CHECK-LABEL: } // end sil function '$s17access_marker_gen5initSyAA1SVyXlSgF'
@inline(never)
func initS(_ o: AnyObject?) -> S {
var s: S
if o == nil {
s = S(i: 0, o: nil)
} else {
s = S(i: 1, o: o)
}
return s
}
@inline(never)
func takeS(_ s: S) {}
// CHECK-LABEL: sil [ossa] @$s17access_marker_gen14modifyAndReadSyyF : $@convention(thin) () -> () {
// CHECK: bb0:
// CHECK: %[[BOX:.*]] = alloc_box ${ var S }, var, name "s"
// CHECK: %[[BOX_LIFETIME:[^,]+]] = begin_borrow [lexical] [var_decl] %[[BOX]]
// CHECK: %[[ADDRS:.*]] = project_box %[[BOX_LIFETIME]] : ${ var S }, 0
// CHECK: %[[ACCESS1:.*]] = begin_access [modify] [unknown] %[[ADDRS]] : $*S
// CHECK: %[[ADDRI:.*]] = struct_element_addr %[[ACCESS1]] : $*S, #S.i
// CHECK: assign %{{.*}} to %[[ADDRI]] : $*Int
// CHECK: end_access %[[ACCESS1]] : $*S
// CHECK: %[[ACCESS2:.*]] = begin_access [read] [unknown] %[[ADDRS]] : $*S
// CHECK: %{{.*}} = load [copy] %[[ACCESS2]] : $*S
// CHECK: end_access %[[ACCESS2]] : $*S
// CHECK-LABEL: } // end sil function '$s17access_marker_gen14modifyAndReadSyyF'
public func modifyAndReadS() {
var s = initS(nil)
s.i = 42
takeS(s)
}
var global = S(i: 0, o: nil)
func readGlobal() -> AnyObject? {
return global.o
}
// CHECK-LABEL: sil hidden [ossa] @$s17access_marker_gen10readGlobalyXlSgyF
// CHECK: [[ADDRESSOR:%.*]] = function_ref @$s17access_marker_gen6globalAA1SVvau :
// CHECK-NEXT: [[T0:%.*]] = apply [[ADDRESSOR]]()
// CHECK-NEXT: [[T1:%.*]] = pointer_to_address [[T0]] : $Builtin.RawPointer to [strict] $*S
// CHECK-NEXT: [[T2:%.*]] = begin_access [read] [dynamic] [[T1]]
// CHECK-NEXT: [[T3:%.*]] = struct_element_addr [[T2]] : $*S, #S.o
// CHECK-NEXT: [[T4:%.*]] = load [copy] [[T3]]
// CHECK-NEXT: end_access [[T2]]
// CHECK-NEXT: return [[T4]]
public struct HasTwoStoredProperties {
var f: Int = 7
var g: Int = 9
// CHECK-LABEL: sil hidden [ossa] @$s17access_marker_gen22HasTwoStoredPropertiesV027noOverlapOnAssignFromPropToM0yyF : $@convention(method) (@inout HasTwoStoredProperties) -> ()
// CHECK: [[ACCESS1:%.*]] = begin_access [read] [unknown] [[SELF_ADDR:%.*]] : $*HasTwoStoredProperties
// CHECK-NEXT: [[G_ADDR:%.*]] = struct_element_addr [[ACCESS1]] : $*HasTwoStoredProperties, #HasTwoStoredProperties.g
// CHECK-NEXT: [[G_VAL:%.*]] = load [trivial] [[G_ADDR]] : $*Int
// CHECK-NEXT: end_access [[ACCESS1]] : $*HasTwoStoredProperties
// CHECK-NEXT: [[ACCESS2:%.*]] = begin_access [modify] [unknown] [[SELF_ADDR]] : $*HasTwoStoredProperties
// CHECK-NEXT: [[F_ADDR:%.*]] = struct_element_addr [[ACCESS2]] : $*HasTwoStoredProperties, #HasTwoStoredProperties.f
// CHECK-NEXT: assign [[G_VAL]] to [[F_ADDR]] : $*Int
// CHECK-NEXT: end_access [[ACCESS2]] : $*HasTwoStoredProperties
mutating func noOverlapOnAssignFromPropToProp() {
f = g
}
}
class C {
final var x: Int = 0
let z: Int = 0
}
func testClassInstanceProperties(c: C) {
let y = c.x
c.x = y
}
// CHECK-LABEL: sil hidden [ossa] @$s17access_marker_gen27testClassInstanceProperties1cyAA1CC_tF :
// CHECK: bb0([[C:%.*]] : @guaranteed $C
// CHECK-NEXT: debug_value
// CHECK-NEXT: [[CX:%.*]] = ref_element_addr [[C]] : $C, #C.x
// CHECK-NEXT: [[ACCESS:%.*]] = begin_access [read] [dynamic] [[CX]] : $*Int
// CHECK-NEXT: [[Y:%.*]] = load [trivial] [[ACCESS]]
// CHECK-NEXT: end_access [[ACCESS]]
// CHECK-NEXT: debug_value
// CHECK-NEXT: [[CX:%.*]] = ref_element_addr [[C]] : $C, #C.x
// CHECK-NEXT: [[ACCESS:%.*]] = begin_access [modify] [dynamic] [[CX]] : $*Int
// CHECK-NEXT: assign [[Y]] to [[ACCESS]]
// CHECK-NEXT: end_access [[ACCESS]]
func testClassLetProperty(c: C) -> Int {
return c.z
}
// CHECK-LABEL: sil hidden [ossa] @$s17access_marker_gen20testClassLetProperty1cSiAA1CC_tF : $@convention(thin) (@guaranteed C) -> Int {
// CHECK: bb0(%0 : @guaranteed $C):
// CHECK: [[ADR:%.*]] = ref_element_addr %{{.*}} : $C, #C.z
// CHECK-NOT: begin_access
// CHECK: %{{.*}} = load [trivial] [[ADR]] : $*Int
// CHECK-NOT: end_access
// CHECK-NOT: destroy_value %0 : $C
// CHECK: return %{{.*}} : $Int
// CHECK-LABEL: } // end sil function '$s17access_marker_gen20testClassLetProperty1cSiAA1CC_tF'
class D {
var x: Int = 0
}
// modify
// CHECK-LABEL: sil hidden [transparent] [ossa] @$s17access_marker_gen1DC1xSivM
// CHECK: [[T0:%.*]] = ref_element_addr %0 : $D, #D.x
// CHECK-NEXT: [[T1:%.*]] = begin_access [modify] [dynamic] [[T0]] : $*Int
// CHECK: yield [[T1]] : $*Int
// CHECK: end_access [[T1]] : $*Int
// CHECK: end_access [[T1]] : $*Int
func testDispatchedClassInstanceProperty(d: D) {
modify(&d.x)
}
// CHECK-LABEL: sil hidden [ossa] @$s17access_marker_gen35testDispatchedClassInstanceProperty1dyAA1DC_tF
// CHECK: bb0([[D:%.*]] : @guaranteed $D
// CHECK: [[METHOD:%.*]] = class_method [[D]] : $D, #D.x!modify
// CHECK: begin_apply [[METHOD]]([[D]])
// CHECK-NOT: begin_access
// CHECK: end_apply
|
