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// RUN: %empty-directory(%t)
// RUN: %target-build-swift %S/Inputs/struct_with_fields.swift -parse-as-library -wmo -enable-library-evolution -module-name=Test -emit-module -emit-module-path=%t/Test.swiftmodule -c -o %t/test.o
// RUN: %target-build-swift -O %s -module-name=test -Xfrontend -sil-verify-all -I%t -emit-sil | %FileCheck %s
// RUN: %target-build-swift -Onone %s -I%t %t/test.o -o %t/Onone.out
// RUN: %target-build-swift -O %s -I%t %t/test.o -o %t/O.out
// RUN: %target-run %t/Onone.out > %t/Onone.txt
// RUN: %target-run %t/O.out > %t/O.txt
// RUN: diff %t/Onone.txt %t/O.txt
// REQUIRES: executable_test,swift_stdlib_no_asserts,optimized_stdlib
import Test
final class C<T> {
var x: Int
var z: T
let immutable: String
private(set) var secretlyMutable: String
init(x: Int, z: T) {
self.x = x
self.z = z
self.immutable = "somestring"
self.secretlyMutable = immutable
}
}
struct Point {
var x: Double
var y: Double
}
struct S<T> {
var x: Int
var y: Int?
var z: T
var p: Point
var op: Point?
var c: C<T>
}
struct NonOffsetableProperties {
// observers
var x: Int { didSet {} }
// reabstracted
var y: () -> ()
// computed
var z: Int { return 0 }
}
struct TupleProperties {
// unlabeled
var a: (Int, String)
// labeled
let b: (x: String, y: Int)
// reference writable
let c: (m: C<Int>, n: C<String>)
}
typealias Tuple<T, U> = (S<T>, C<U>)
typealias TupleOfFunctions = (a: @convention(c) () -> (), b: @convention(c) () -> ())
func getIdentityKeyPathOfType<T>(_: T.Type) -> KeyPath<T, T> {
return \.self
}
@inline(never)
func printOffset(_ o: Int?) {
print(o as Any)
}
// CHECK-LABEL: sil {{.*}} @$s4test0A13StructOffsetsyyF
// CHECK-NOT: _storedInlineOffset
// CHECK-NOT: class_method
// CHECK: } // end sil function '$s4test0A13StructOffsetsyyF'
@inline(never)
func testStructOffsets() {
let SLayout = MemoryLayout<S<Int>>.self
printOffset(SLayout.offset(of: \S<Int>.x))
printOffset(SLayout.offset(of: \S<Int>.y))
printOffset(SLayout.offset(of: \S<Int>.z))
printOffset(SLayout.offset(of: \S<Int>.p))
printOffset(SLayout.offset(of: \S<Int>.p.x))
printOffset(SLayout.offset(of: \S<Int>.p.y))
printOffset(SLayout.offset(of: \S<Int>.c))
}
// CHECK-LABEL: sil {{.*}} @$s4test0A20GenericStructOffsetsyyxmlF
// CHECK-NOT: _storedInlineOffset
// CHECK-NOT: class_method
// CHECK: } // end sil function '$s4test0A20GenericStructOffsetsyyxmlF'
@inline(never)
@_semantics("optimize.sil.specialize.generic.never")
func testGenericStructOffsets<T>(_ t: T.Type) {
let SLayout = MemoryLayout<S<T>>.self
printOffset(SLayout.offset(of: \S<T>.x))
printOffset(SLayout.offset(of: \S<T>.y))
printOffset(SLayout.offset(of: \S<T>.z))
printOffset(SLayout.offset(of: \S<T>.p))
printOffset(SLayout.offset(of: \S<T>.p.x))
printOffset(SLayout.offset(of: \S<T>.p.y))
printOffset(SLayout.offset(of: \S<T>.c))
}
// CHECK-LABEL: sil {{.*}} @$s4test0A10NonOffsetsyyF
// CHECK-NOT: _storedInlineOffset
// CHECK-NOT: class_method
// CHECK: } // end sil function '$s4test0A10NonOffsetsyyF'
@inline(never)
func testNonOffsets() {
let NOPLayout = MemoryLayout<NonOffsetableProperties>.self
printOffset(NOPLayout.offset(of: \NonOffsetableProperties.x))
printOffset(NOPLayout.offset(of: \NonOffsetableProperties.y))
printOffset(NOPLayout.offset(of: \NonOffsetableProperties.z))
printOffset(MemoryLayout<C<Int>>.offset(of: \C<Int>.x))
let SLayout = MemoryLayout<S<Int>>.self
printOffset(SLayout.offset(of: \S<Int>.c.x))
printOffset(SLayout.offset(of: \S<Int>.op!.x))
printOffset(SLayout.offset(of: \S<Int>.op?.x))
}
// CHECK-LABEL: sil {{.*}} @$s4test0A11SelfOffsetsyyF
// CHECK-NOT: _storedInlineOffset
// CHECK-NOT: class_method
// CHECK: } // end sil function '$s4test0A11SelfOffsetsyyF'
@inline(never)
func testSelfOffsets() {
let SLayout = MemoryLayout<S<Int>>.self
printOffset(SLayout.offset(of: \.self))
printOffset(SLayout.offset(of: getIdentityKeyPathOfType(S<Int>.self)))
}
// CHECK-LABEL: sil {{.*}} @$s4test0A12TupleOffsetsyyF
// CHECK-NOT: _storedInlineOffset
// CHECK-NOT: class_method
// CHECK: } // end sil function '$s4test0A12TupleOffsetsyyF'
@inline(never)
func testTupleOffsets() {
let TPLayout = MemoryLayout<TupleProperties>.self
printOffset(TPLayout.offset(of: \TupleProperties.self))
printOffset(TPLayout.offset(of: \TupleProperties.a))
printOffset(TPLayout.offset(of: \TupleProperties.a.0))
printOffset(TPLayout.offset(of: \TupleProperties.a.1))
printOffset(TPLayout.offset(of: \TupleProperties.b))
printOffset(TPLayout.offset(of: \TupleProperties.b.x))
printOffset(TPLayout.offset(of: \TupleProperties.b.y))
printOffset(TPLayout.offset(of: \TupleProperties.c))
printOffset(TPLayout.offset(of: \TupleProperties.c.m))
printOffset(TPLayout.offset(of: \TupleProperties.c.n))
let TLayout = MemoryLayout<Tuple<Int, Int>>.self
printOffset(TLayout.offset(of: \Tuple<Int, Int>.self))
printOffset(TLayout.offset(of: \Tuple<Int, Int>.0))
printOffset(TLayout.offset(of: \Tuple<Int, Int>.0.x))
printOffset(TLayout.offset(of: \Tuple<Int, Int>.1))
}
// CHECK-LABEL: sil {{.*}} @$s4test0A16TupleOfFunctionsyyF
// CHECK-NOT: _storedInlineOffset
// CHECK-NOT: class_method
// CHECK: } // end sil function '$s4test0A16TupleOfFunctionsyyF'
@inline(never)
func testTupleOfFunctions() {
printOffset(MemoryLayout<TupleOfFunctions>.offset(of: \.b))
}
// CHECK-LABEL: sil {{.*}} @$s4test0A19GenericTupleOffsetsyyxmlF
// CHECK-NOT: _storedInlineOffset
// CHECK-NOT: class_method
// CHECK: } // end sil function '$s4test0A19GenericTupleOffsetsyyxmlF'
@inline(never)
@_semantics("optimize.sil.specialize.generic.never")
func testGenericTupleOffsets<T>(_ t: T.Type) {
let TLayout = MemoryLayout<Tuple<T, T>>.self
printOffset(TLayout.offset(of: \Tuple<T, T>.self))
printOffset(TLayout.offset(of: \Tuple<T, T>.0))
printOffset(TLayout.offset(of: \Tuple<T, T>.0.x))
printOffset(TLayout.offset(of: \Tuple<T, T>.1))
}
// CHECK-LABEL: sil {{.*}} @$s4test0A16ResilientOffsetsyyF
// CHECK: class_method {{.*}}_storedInlineOffset
// CHECK: } // end sil function '$s4test0A16ResilientOffsetsyyF'
@inline(never)
func testResilientOffsets() {
let TLayout = MemoryLayout<TestStruct>.self
printOffset(TLayout.offset(of: \TestStruct.x))
}
@inline(never)
func testit() {
print("### testStructOffsets")
testStructOffsets()
print("### testGenericStructOffsets")
testGenericStructOffsets(Int.self)
print("### testNonOffsets")
testNonOffsets()
print("### testSelfOffsets")
testSelfOffsets()
print("### testTupleOffsets")
testTupleOffsets()
print("### testGenericTupleOffsets")
testGenericTupleOffsets(Int.self)
print("### testResilientOffsets")
testResilientOffsets()
print("### testTupleOfFunctions")
testTupleOfFunctions()
}
testit()
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