1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -O -Xllvm -sil-disable-pass=function-signature-opts %s -parse-as-library -enable-experimental-feature Embedded -module-name main -emit-irgen | %FileCheck %s --check-prefix CHECK-IR
// RUN: %target-swift-frontend -O -Xllvm -sil-disable-pass=function-signature-opts %s -parse-as-library -enable-experimental-feature Embedded -c -o %t/main.o
// RUN: %target-clang %t/main.o -o %t/a.out -dead_strip
// RUN: %target-run %t/a.out | %FileCheck %s
// REQUIRES: swift_in_compiler
// REQUIRES: executable_test
// REQUIRES: optimized_stdlib
// REQUIRES: OS=macosx || OS=linux-gnu
public class MyClass {
public init() { print("MyClass.init") }
deinit { print("MyClass.deinit") }
public func foo() { print("MyClass.foo") }
}
public class MySubClass: MyClass {
public override init() { print("MySubClass.init") }
deinit { print("MySubClass.deinit") }
public override func foo() { print("MySubClass.foo") }
}
@inline(never)
public func bar(o: MyClass) {
o.foo()
}
final public class MyFinalClass {
public init() { print("MyFinalClass.init") }
deinit { print("MyFinalClass.deinit") }
public func foo() { print("MyFinalClass.foo") }
}
public struct MyStruct {
@inline(never)
init(_ c: MyFinalClass) {
c.foo()
}
}
@main
struct Main {
static func test1() {
let o = MySubClass()
// CHECK: MySubClass.init
// CHECK: MyClass.init
o.foo()
// CHECK: MySubClass.foo
bar(o: o)
// CHECK: MySubClass.foo
// CHECK: MySubClass.deinit
// CHECK: MyClass.deinit
}
static func test2() -> MyStruct {
let c = MyFinalClass()
// CHECK: MyFinalClass.init
return MyStruct(c)
// CHECK: MyFinalClass.foo
// CHECK: MyFinalClass.deinit
}
static func main() {
test1()
print("")
test2()
}
}
// Check that stack promotion did really happen
// CHECK-IR: define {{.*}}@"$s4main8MyStructVyAcA0B10FinalClassCcfC"
// CHECK-IR-NEXT: entry:
// CHECK-IR-NEXT: call {{.*}}@"$ss5print_10terminatorys12StaticStringV_ADtF"
// CHECK-IR-NEXT: call {{.*}}@swift_release
// CHECK-IR-NEXT: ret void
// CHECK-IR-NEXT: }
// CHECK-IR: define {{.*}}@main
// CHECK-IR-NEXT: entry:
// CHECK-IR-NEXT: alloca %T4main10MySubClassC
// CHECK-IR-NEXT: alloca %T4main12MyFinalClassC
// CHECK-IR-NEXT: call {{.*}}@swift_initStackObject
// CHECK-IR-NEXT: call {{.*}}@"$ss5print_10terminatorys12StaticStringV_ADtF"
// CHECK-IR-NEXT: call {{.*}}@"$ss5print_10terminatorys12StaticStringV_ADtF"
// CHECK-IR-NEXT: call {{.*}}@"$ss5print_10terminatorys12StaticStringV_ADtF"
// CHECK-IR-NEXT: call {{.*}}@"$s4main3bar1oyAA7MyClassC_tF"
// CHECK-IR-NEXT: call {{.*}}@swift_setDeallocating
// CHECK-IR-NEXT: call {{.*}}@"$ss5print_10terminatorys12StaticStringV_ADtF"
// CHECK-IR-NEXT: call {{.*}}@"$ss5print_10terminatorys12StaticStringV_ADtF"
// CHECK-IR-NEXT: call {{.*}}@llvm.lifetime.end.p0
// CHECK-IR-NEXT: call {{.*}}@"$ss5print_10terminatorys12StaticStringV_ADtF"
// CHECK-IR-NEXT: call {{.*}}@swift_initStackObject
// CHECK-IR-NEXT: call {{.*}}@"$ss5print_10terminatorys12StaticStringV_ADtF"
// CHECK-IR-NEXT: call {{.*}}@"$s4main8MyStructVyAcA0B10FinalClassCcfC"
// CHECK-IR-NEXT: call {{.*}}@llvm.lifetime.end.p0
// CHECK-IR-NEXT: ret {{.*}}0
// CHECK-IR-NEXT: }
|
