blob: 4e22aea8c642f134244d4b0094ce69f6aa7018fa [file] [log] [blame]
// RUN: %target-swift-emit-silgen -enable-sil-opaque-values -emit-sorted-sil -Xllvm -sil-full-demangle -parse-stdlib -parse-as-library -module-name Swift %s | %FileCheck %s
// RUN: %target-swift-emit-silgen -target x86_64-apple-macosx10.9 -enable-sil-opaque-values -emit-sorted-sil -Xllvm -sil-full-demangle -parse-stdlib -parse-as-library -module-name Swift %s | %FileCheck --check-prefix=CHECK-OSX %s
public typealias AnyObject = Builtin.AnyObject
precedencegroup AssignmentPrecedence {}
precedencegroup CastingPrecedence {}
precedencegroup ComparisonPrecedence {}
public protocol _ObjectiveCBridgeable {}
public protocol UnkeyedDecodingContainer {
var isAtEnd: Builtin.Int1 { get }
}
public protocol Decoder {
func unkeyedContainer() throws -> UnkeyedDecodingContainer
}
// Test open_existential_value ownership
// ---
// CHECK-LABEL: sil [ossa] @$ss11takeDecoder4fromBi1_s0B0_p_tKF : $@convention(thin) (@in_guaranteed Decoder) -> (Builtin.Int1, @error Error) {
// CHECK: bb0(%0 : @guaranteed $Decoder):
// CHECK: [[OPENED:%.*]] = open_existential_value %0 : $Decoder to $@opened("{{.*}}") Decoder
// CHECK: [[WT:%.*]] = witness_method $@opened("{{.*}}") Decoder, #Decoder.unkeyedContainer!1 : <Self where Self : Decoder> (Self) -> () throws -> UnkeyedDecodingContainer, %3 : $@opened("{{.*}}") Decoder : $@convention(witness_method: Decoder) <τ_0_0 where τ_0_0 : Decoder> (@in_guaranteed τ_0_0) -> (@out UnkeyedDecodingContainer, @error Error)
// CHECK: try_apply [[WT]]<@opened("{{.*}}") Decoder>([[OPENED]]) : $@convention(witness_method: Decoder) <τ_0_0 where τ_0_0 : Decoder> (@in_guaranteed τ_0_0) -> (@out UnkeyedDecodingContainer, @error Error), normal bb2, error bb1
//
// CHECK:bb{{.*}}([[RET1:%.*]] : @owned $UnkeyedDecodingContainer):
// CHECK: [[BORROW2:%.*]] = begin_borrow [[RET1]] : $UnkeyedDecodingContainer
// CHECK: [[OPENED2:%.*]] = open_existential_value [[BORROW2]] : $UnkeyedDecodingContainer to $@opened("{{.*}}") UnkeyedDecodingContainer
// CHECK: [[WT2:%.*]] = witness_method $@opened("{{.*}}") UnkeyedDecodingContainer, #UnkeyedDecodingContainer.isAtEnd!getter.1 : <Self where Self : UnkeyedDecodingContainer> (Self) -> () -> Builtin.Int1, [[OPENED2]] : $@opened("{{.*}}") UnkeyedDecodingContainer : $@convention(witness_method: UnkeyedDecodingContainer) <τ_0_0 where τ_0_0 : UnkeyedDecodingContainer> (@in_guaranteed τ_0_0) -> Builtin.Int1
// CHECK: [[RET2:%.*]] = apply [[WT2]]<@opened("{{.*}}") UnkeyedDecodingContainer>([[OPENED2]]) : $@convention(witness_method: UnkeyedDecodingContainer) <τ_0_0 where τ_0_0 : UnkeyedDecodingContainer> (@in_guaranteed τ_0_0) -> Builtin.Int1
// CHECK: end_borrow [[BORROW2]] : $UnkeyedDecodingContainer
// CHECK: destroy_value [[RET1]] : $UnkeyedDecodingContainer
// CHECK-NOT: destroy_value %0 : $Decoder
// CHECK: return [[RET2]] : $Builtin.Int1
// CHECK-LABEL: } // end sil function '$ss11takeDecoder4fromBi1_s0B0_p_tKF'
public func takeDecoder(from decoder: Decoder) throws -> Builtin.Int1 {
let container = try decoder.unkeyedContainer()
return container.isAtEnd
}
// Test unsafe_bitwise_cast nontrivial ownership.
// ---
// CHECK-LABEL: sil [ossa] @$ss13unsafeBitCast_2toq_x_q_mtr0_lF : $@convention(thin) <T, U> (@in_guaranteed T, @thick U.Type) -> @out U {
// CHECK: bb0([[ARG0:%.*]] : @guaranteed $T, [[ARG1:%.*]] : $@thick U.Type):
// CHECK: [[ARG_COPY:%.*]] = copy_value [[ARG0]] : $T
// CHECK: [[RESULT:%.*]] = unchecked_bitwise_cast [[ARG_COPY]] : $T to $U
// CHECK: [[RESULT_COPY:%.*]] = copy_value [[RESULT]] : $U
// CHECK: destroy_value [[ARG_COPY]] : $T
// CHECK: return [[RESULT_COPY]] : $U
// CHECK-LABEL: } // end sil function '$ss13unsafeBitCast_2toq_x_q_mtr0_lF'
public func unsafeBitCast<T, U>(_ x: T, to type: U.Type) -> U {
return Builtin.reinterpretCast(x)
}
// A lot of standard library support is necessary to support raw enums.
// --------------------------------------------------------------------
infix operator == : ComparisonPrecedence
infix operator ~= : ComparisonPrecedence
public struct Bool {
var _value: Builtin.Int1
public init() {
let zero: Int64 = 0
self._value = Builtin.trunc_Int64_Int1(zero._value)
}
internal init(_ v: Builtin.Int1) { self._value = v }
public init(_ value: Bool) {
self = value
}
}
extension Bool {
public func _getBuiltinLogicValue() -> Builtin.Int1 {
return _value
}
}
public protocol Equatable {
/// Returns a Boolean value indicating whether two values are equal.
///
/// Equality is the inverse of inequality. For any values `a` and `b`,
/// `a == b` implies that `a != b` is `false`.
///
/// - Parameters:
/// - lhs: A value to compare.
/// - rhs: Another value to compare.
static func == (lhs: Self, rhs: Self) -> Bool
}
public func ~= <T : Equatable>(a: T, b: T) -> Bool {
return a == b
}
public protocol RawRepresentable {
associatedtype RawValue
init?(rawValue: RawValue)
var rawValue: RawValue { get }
}
public func == <T : RawRepresentable>(lhs: T, rhs: T) -> Bool
where T.RawValue : Equatable {
return lhs.rawValue == rhs.rawValue
}
public typealias _MaxBuiltinIntegerType = Builtin.IntLiteral
public protocol _ExpressibleByBuiltinIntegerLiteral {
init(_builtinIntegerLiteral value: _MaxBuiltinIntegerType)
}
public protocol ExpressibleByIntegerLiteral {
associatedtype IntegerLiteralType : _ExpressibleByBuiltinIntegerLiteral
init(integerLiteral value: IntegerLiteralType)
}
extension ExpressibleByIntegerLiteral
where Self : _ExpressibleByBuiltinIntegerLiteral {
@_transparent
public init(integerLiteral value: Self) {
self = value
}
}
public protocol ExpressibleByStringLiteral {}
public protocol ExpressibleByFloatLiteral {}
public protocol ExpressibleByUnicodeScalarLiteral {}
public protocol ExpressibleByExtendedGraphemeClusterLiteral {}
public struct Int64 : ExpressibleByIntegerLiteral, _ExpressibleByBuiltinIntegerLiteral, Equatable {
public var _value: Builtin.Int64
public init(_builtinIntegerLiteral x: _MaxBuiltinIntegerType) {
_value = Builtin.s_to_s_checked_trunc_IntLiteral_Int64(x).0
}
public typealias IntegerLiteralType = Int64
public init(integerLiteral value: Int64) {
self = value
}
public static func ==(_ lhs: Int64, rhs: Int64) -> Bool {
return Bool(Builtin.cmp_eq_Int64(lhs._value, rhs._value))
}
}
// Test ownership of multi-case Enum values in the context of to @in thunks.
// ---
// CHECK-LABEL: sil shared [transparent] [serialized] [thunk] [ossa] @$ss17FloatingPointSignOSQsSQ2eeoiySbx_xtFZTW : $@convention(witness_method: Equatable) (@in_guaranteed FloatingPointSign, @in_guaranteed FloatingPointSign, @thick FloatingPointSign.Type) -> Bool {
// CHECK: bb0(%0 : $FloatingPointSign, %1 : $FloatingPointSign, %2 : $@thick FloatingPointSign.Type):
// CHECK: %3 = function_ref @$ss2eeoiySbx_xtSYRzSQ8RawValueRpzlF : $@convention(thin) <τ_0_0 where τ_0_0 : RawRepresentable, τ_0_0.RawValue : Equatable> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_0) -> Bool
// CHECK: %4 = apply %3<FloatingPointSign>(%0, %1) : $@convention(thin) <τ_0_0 where τ_0_0 : RawRepresentable, τ_0_0.RawValue : Equatable> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_0) -> Bool
// CHECK: return %4 : $Bool
// CHECK-LABEL: } // end sil function '$ss17FloatingPointSignOSQsSQ2eeoiySbx_xtFZTW'
public enum FloatingPointSign: Int64 {
/// The sign for a positive value.
case plus
/// The sign for a negative value.
case minus
}
#if os(macOS)
// Test open_existential_value used in a conversion context.
// (the actual bridging call is dropped because we don't import Swift).
// ---
// CHECK-OSX-LABEL: sil [ossa] @$ss26_unsafeDowncastToAnyObject04fromD0yXlyp_tF : $@convention(thin) (@in_guaranteed Any) -> @owned AnyObject {
// CHECK-OSX: bb0(%0 : @guaranteed $Any):
// CHECK-OSX: [[COPY:%.*]] = copy_value %0 : $Any
// CHECK-OSX: [[BORROW2:%.*]] = begin_borrow [[COPY]] : $Any
// CHECK-OSX: [[VAL:%.*]] = open_existential_value [[BORROW2]] : $Any to $@opened
// CHECK-OSX: [[COPY2:%.*]] = copy_value [[VAL]] : $@opened
// CHECK-OSX: end_borrow [[BORROW2]] : $Any
// CHECK-OSX: destroy_value [[COPY2]] : $@opened
// CHECK-OSX: destroy_value [[COPY]] : $Any
// CHECK-OSX-NOT: destroy_value %0 : $Any
// CHECK-OSX: return undef : $AnyObject
// CHECK-OSX-LABEL: } // end sil function '$ss26_unsafeDowncastToAnyObject04fromD0yXlyp_tF'
public func _unsafeDowncastToAnyObject(fromAny any: Any) -> AnyObject {
return any as AnyObject
}
#endif
public protocol Error {}
#if os(macOS)
// Test open_existential_box_value in a conversion context.
// ---
// CHECK-OSX-LABEL: sil [ossa] @$ss3foo1eys5Error_pSg_tF : $@convention(thin) (@guaranteed Optional<Error>) -> () {
// CHECK-OSX: [[BORROW:%.*]] = begin_borrow %{{.*}} : $Error
// CHECK-OSX: [[VAL:%.*]] = open_existential_box_value [[BORROW]] : $Error to $@opened
// CHECK-OSX: [[COPY:%.*]] = copy_value [[VAL]] : $@opened
// CHECK-OSX: [[ANY:%.*]] = init_existential_value [[COPY]] : $@opened
// CHECK-OSX: end_borrow [[BORROW]] : $Error
// CHECK-OSX-LABEL: } // end sil function '$ss3foo1eys5Error_pSg_tF'
public func foo(e: Error?) {
if let u = e {
let a: Any = u
_ = a
}
}
#endif
public enum Optional<Wrapped> {
case none
case some(Wrapped)
}
public protocol IP {}
public protocol Seq {
associatedtype Iterator : IP
func makeIterator() -> Iterator
}
extension Seq where Self.Iterator == Self {
public func makeIterator() -> Self {
return self
}
}
public struct EnumIter<Base : IP> : IP, Seq {
internal var _base: Base
public typealias Iterator = EnumIter<Base>
}
// Test passing a +1 RValue to @in_guaranteed.
// ---
// CHECK-LABEL: sil [ossa] @$ss7EnumSeqV12makeIterators0A4IterVy0D0QzGyF : $@convention(method) <Base where Base : Seq> (@in_guaranteed EnumSeq<Base>) -> @out EnumIter<Base.Iterator> {
// CHECK: bb0(%0 : @guaranteed $EnumSeq<Base>):
// CHECK: [[MT:%.*]] = metatype $@thin EnumIter<Base.Iterator>.Type
// CHECK: [[FIELD:%.*]] = struct_extract %0 : $EnumSeq<Base>, #EnumSeq._base
// CHECK: [[COPY:%.*]] = copy_value [[FIELD]] : $Base
// CHECK: [[WT:%.*]] = witness_method $Base, #Seq.makeIterator!1 : <Self where Self : Seq> (Self) -> () -> Self.Iterator : $@convention(witness_method: Seq) <τ_0_0 where τ_0_0 : Seq> (@in_guaranteed τ_0_0) -> @out τ_0_0.Iterator
// CHECK: [[ITER:%.*]] = apply [[WT]]<Base>([[COPY]]) : $@convention(witness_method: Seq) <τ_0_0 where τ_0_0 : Seq> (@in_guaranteed τ_0_0) -> @out τ_0_0.Iterator
// CHECK: destroy_value [[COPY]] : $Base
// CHECK: [[FN:%.*]] = function_ref @$ss8EnumIterV5_baseAByxGx_tcfC : $@convention(method) <τ_0_0 where τ_0_0 : IP> (@in τ_0_0, @thin EnumIter<τ_0_0>.Type) -> @out EnumIter<τ_0_0>
// CHECK: [[RET:%.*]] = apply [[FN]]<Base.Iterator>([[ITER]], [[MT]]) : $@convention(method) <τ_0_0 where τ_0_0 : IP> (@in τ_0_0, @thin EnumIter<τ_0_0>.Type) -> @out EnumIter<τ_0_0>
// CHECK: return [[RET]] : $EnumIter<Base.Iterator>
// CHECK-LABEL: } // end sil function '$ss7EnumSeqV12makeIterators0A4IterVy0D0QzGyF'
public struct EnumSeq<Base : Seq> : Seq {
public typealias Iterator = EnumIter<Base.Iterator>
internal var _base: Base
public func makeIterator() -> Iterator {
return EnumIter(_base: _base.makeIterator())
}
}