Clang Project

clang_source_code/test/CodeGenCXX/dllexport-ctor-closure.cpp
1// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++14 \
2// RUN:    -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases \
3// RUN:    -disable-llvm-passes -o - %s -w -fms-compatibility-version=19.00 | \
4// RUN:    FileCheck %s
5
6struct CtorWithClosure {
7  __declspec(dllexport) CtorWithClosure(...) {}
8// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FCtorWithClosure@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
9// CHECK:   %[[this_addr:.*]] = alloca %struct.CtorWithClosure*, align 4
10// CHECK:   store %struct.CtorWithClosure* %this, %struct.CtorWithClosure** %[[this_addr]], align 4
11// CHECK:   %[[this:.*]] = load %struct.CtorWithClosure*, %struct.CtorWithClosure** %[[this_addr]]
12// CHECK:   call %struct.CtorWithClosure* (%struct.CtorWithClosure*, ...) @"??0CtorWithClosure@@QAA@ZZ"(%struct.CtorWithClosure* %[[this]])
13// CHECK:   ret void
14};
15
16struct CtorWithClosureOutOfLine {
17  __declspec(dllexport) CtorWithClosureOutOfLine(...);
18};
19CtorWithClosureOutOfLine::CtorWithClosureOutOfLine(...) {}
20// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FCtorWithClosureOutOfLine@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
21
22#define DELETE_IMPLICIT_MEMBERS(ClassName) \
23    ClassName(ClassName &&) = delete; \
24    ClassName(ClassName &) = delete; \
25    ~ClassName() = delete; \
26    ClassName &operator=(ClassName &) = delete
27
28struct __declspec(dllexport) ClassWithClosure {
29  DELETE_IMPLICIT_MEMBERS(ClassWithClosure);
30  ClassWithClosure(...) {}
31// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FClassWithClosure@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
32// CHECK:   %[[this_addr:.*]] = alloca %struct.ClassWithClosure*, align 4
33// CHECK:   store %struct.ClassWithClosure* %this, %struct.ClassWithClosure** %[[this_addr]], align 4
34// CHECK:   %[[this:.*]] = load %struct.ClassWithClosure*, %struct.ClassWithClosure** %[[this_addr]]
35// CHECK:   call %struct.ClassWithClosure* (%struct.ClassWithClosure*, ...) @"??0ClassWithClosure@@QAA@ZZ"(%struct.ClassWithClosure* %[[this]])
36// CHECK:   ret void
37};
38
39template <typename T> struct TemplateWithClosure {
40  TemplateWithClosure(int x = sizeof(T)) {}
41};
42extern template struct TemplateWithClosure<char>;
43template struct __declspec(dllexport) TemplateWithClosure<char>;
44extern template struct TemplateWithClosure<int>;
45template struct __declspec(dllexport) TemplateWithClosure<int>;
46
47// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_F?$TemplateWithClosure@D@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
48// CHECK:   call {{.*}} @"??0?$TemplateWithClosure@D@@QAE@H@Z"({{.*}}, i32 1)
49
50// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_F?$TemplateWithClosure@H@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
51// CHECK:   call {{.*}} @"??0?$TemplateWithClosure@H@@QAE@H@Z"({{.*}}, i32 4)
52
53struct __declspec(dllexport) NestedOuter {
54  DELETE_IMPLICIT_MEMBERS(NestedOuter);
55  NestedOuter(void *p = 0) {}
56  struct __declspec(dllexport) NestedInner {
57    DELETE_IMPLICIT_MEMBERS(NestedInner);
58    NestedInner(void *p = 0) {}
59  };
60};
61
62// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FNestedOuter@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
63// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FNestedInner@NestedOuter@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
64
65struct HasDtor {
66  ~HasDtor();
67  int o;
68};
69struct HasImplicitDtor1 { HasDtor o; };
70struct HasImplicitDtor2 { HasDtor o; };
71struct __declspec(dllexport) CtorClosureInline {
72  CtorClosureInline(const HasImplicitDtor1 &v = {}) {}
73};
74struct __declspec(dllexport) CtorClosureOutOfLine {
75  CtorClosureOutOfLine(const HasImplicitDtor2 &v = {});
76};
77CtorClosureOutOfLine::CtorClosureOutOfLine(const HasImplicitDtor2 &v) {}
78
79// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FCtorClosureInline@@QAEXXZ"
80// CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @"??1HasImplicitDtor1@@QAE@XZ"
81// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FCtorClosureOutOfLine@@QAEXXZ"
82// CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @"??1HasImplicitDtor2@@QAE@XZ"
83
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