llvm-project/clang/test/CodeGenCXX/dllexport-ctor-closure.cpp

91 lines
4.7 KiB
C++

// RUN: %clang_cc1 -no-opaque-pointers -triple i686-windows-msvc -emit-llvm -std=c++14 \
// RUN: -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases \
// RUN: -disable-llvm-passes -o - %s -w -fms-compatibility-version=19.00 | \
// RUN: FileCheck %s
struct CtorWithClosure {
__declspec(dllexport) CtorWithClosure(...) {}
// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FCtorWithClosure@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
// CHECK: %[[this_addr:.*]] = alloca %struct.CtorWithClosure*, align 4
// CHECK: store %struct.CtorWithClosure* %this, %struct.CtorWithClosure** %[[this_addr]], align 4
// CHECK: %[[this:.*]] = load %struct.CtorWithClosure*, %struct.CtorWithClosure** %[[this_addr]]
// CHECK: call noundef %struct.CtorWithClosure* (%struct.CtorWithClosure*, ...) @"??0CtorWithClosure@@QAA@ZZ"(%struct.CtorWithClosure* {{[^,]*}} %[[this]])
// CHECK: ret void
};
struct CtorWithClosureOutOfLine {
__declspec(dllexport) CtorWithClosureOutOfLine(...);
};
CtorWithClosureOutOfLine::CtorWithClosureOutOfLine(...) {}
// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FCtorWithClosureOutOfLine@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
#define DELETE_IMPLICIT_MEMBERS(ClassName) \
ClassName(ClassName &&) = delete; \
ClassName(ClassName &) = delete; \
~ClassName() = delete; \
ClassName &operator=(ClassName &) = delete
struct __declspec(dllexport) ClassWithClosure {
DELETE_IMPLICIT_MEMBERS(ClassWithClosure);
ClassWithClosure(...) {}
// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FClassWithClosure@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
// CHECK: %[[this_addr:.*]] = alloca %struct.ClassWithClosure*, align 4
// CHECK: store %struct.ClassWithClosure* %this, %struct.ClassWithClosure** %[[this_addr]], align 4
// CHECK: %[[this:.*]] = load %struct.ClassWithClosure*, %struct.ClassWithClosure** %[[this_addr]]
// CHECK: call noundef %struct.ClassWithClosure* (%struct.ClassWithClosure*, ...) @"??0ClassWithClosure@@QAA@ZZ"(%struct.ClassWithClosure* {{[^,]*}} %[[this]])
// CHECK: ret void
};
template <typename T> struct TemplateWithClosure {
TemplateWithClosure(int x = sizeof(T)) {}
};
extern template struct TemplateWithClosure<char>;
template struct __declspec(dllexport) TemplateWithClosure<char>;
extern template struct TemplateWithClosure<int>;
template struct __declspec(dllexport) TemplateWithClosure<int>;
// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_F?$TemplateWithClosure@D@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
// CHECK: call {{.*}} @"??0?$TemplateWithClosure@D@@QAE@H@Z"({{.*}}, i32 noundef 1)
// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_F?$TemplateWithClosure@H@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
// CHECK: call {{.*}} @"??0?$TemplateWithClosure@H@@QAE@H@Z"({{.*}}, i32 noundef 4)
template <typename T> struct __declspec(dllexport) ExportedTemplateWithClosure {
ExportedTemplateWithClosure(int x = sizeof(T)) {}
};
template <> ExportedTemplateWithClosure<int>::ExportedTemplateWithClosure(int); // Don't try to emit the closure for a declaration.
template <> ExportedTemplateWithClosure<int>::ExportedTemplateWithClosure(int) {};
// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_F?$ExportedTemplateWithClosure@H@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
// CHECK: call {{.*}} @"??0?$ExportedTemplateWithClosure@H@@QAE@H@Z"({{.*}}, i32 noundef 4)
struct __declspec(dllexport) NestedOuter {
DELETE_IMPLICIT_MEMBERS(NestedOuter);
NestedOuter(void *p = 0) {}
struct __declspec(dllexport) NestedInner {
DELETE_IMPLICIT_MEMBERS(NestedInner);
NestedInner(void *p = 0) {}
};
};
// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FNestedOuter@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FNestedInner@NestedOuter@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
struct HasDtor {
~HasDtor();
int o;
};
struct HasImplicitDtor1 { HasDtor o; };
struct HasImplicitDtor2 { HasDtor o; };
struct __declspec(dllexport) CtorClosureInline {
CtorClosureInline(const HasImplicitDtor1 &v = {}) {}
};
struct __declspec(dllexport) CtorClosureOutOfLine {
CtorClosureOutOfLine(const HasImplicitDtor2 &v = {});
};
CtorClosureOutOfLine::CtorClosureOutOfLine(const HasImplicitDtor2 &v) {}
// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FCtorClosureInline@@QAEXXZ"
// CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @"??1HasImplicitDtor1@@QAE@XZ"
// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FCtorClosureOutOfLine@@QAEXXZ"
// CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @"??1HasImplicitDtor2@@QAE@XZ"