forked from OSchip/llvm-project
252 lines
7.7 KiB
C++
252 lines
7.7 KiB
C++
// RUN: %clang_cc1 -fms-extensions -fno-threadsafe-statics -emit-llvm %s -o - -mconstructor-aliases -triple=i386-pc-win32 | FileCheck %s
|
|
|
|
// CHECK: @llvm.global_ctors = appending global [5 x { i32, void ()*, i8* }] [
|
|
// CHECK: { i32, void ()*, i8* } { i32 65535, void ()* @"??__Eselectany1@@YAXXZ", i8* getelementptr inbounds (%struct.S, %struct.S* @"?selectany1@@3US@@A", i32 0, i32 0) },
|
|
// CHECK: { i32, void ()*, i8* } { i32 65535, void ()* @"??__Eselectany2@@YAXXZ", i8* getelementptr inbounds (%struct.S, %struct.S* @"?selectany2@@3US@@A", i32 0, i32 0) },
|
|
// CHECK: { i32, void ()*, i8* } { i32 65535, void ()* @"??__E?s@?$ExportedTemplate@H@@2US@@A@@YAXXZ", i8* getelementptr inbounds (%struct.S, %struct.S* @"?s@?$ExportedTemplate@H@@2US@@A", i32 0, i32 0) },
|
|
// CHECK: { i32, void ()*, i8* } { i32 65535, void ()* @"??__E?foo@?$B@H@@2VA@@A@@YAXXZ", i8* bitcast (%class.A* @"?foo@?$B@H@@2VA@@A" to i8*) },
|
|
// CHECK: { i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_microsoft_abi_static_initializers.cpp, i8* null }
|
|
// CHECK: ]
|
|
|
|
struct S {
|
|
S();
|
|
~S();
|
|
};
|
|
|
|
S s;
|
|
|
|
// CHECK: define internal void @"??__Es@@YAXXZ"()
|
|
// CHECK: call x86_thiscallcc noundef %struct.S* @"??0S@@QAE@XZ"
|
|
// CHECK: call i32 @atexit(void ()* @"??__Fs@@YAXXZ")
|
|
// CHECK: ret void
|
|
|
|
// CHECK: define internal void @"??__Fs@@YAXXZ"()
|
|
// CHECK: call x86_thiscallcc void @"??1S@@QAE@XZ"
|
|
// CHECK: ret void
|
|
|
|
// These globals should have initializers comdat associative with the global.
|
|
// See @llvm.global_ctors above.
|
|
__declspec(selectany) S selectany1;
|
|
__declspec(selectany) S selectany2;
|
|
// CHECK: define linkonce_odr dso_local void @"??__Eselectany1@@YAXXZ"() {{.*}} comdat
|
|
// CHECK-NOT: @"??_Bselectany1
|
|
// CHECK: call x86_thiscallcc noundef %struct.S* @"??0S@@QAE@XZ"
|
|
// CHECK: ret void
|
|
// CHECK: define linkonce_odr dso_local void @"??__Eselectany2@@YAXXZ"() {{.*}} comdat
|
|
// CHECK-NOT: @"??_Bselectany2
|
|
// CHECK: call x86_thiscallcc noundef %struct.S* @"??0S@@QAE@XZ"
|
|
// CHECK: ret void
|
|
|
|
// The implicitly instantiated static data member should have initializer
|
|
// comdat associative with the global.
|
|
template <typename T> struct __declspec(dllexport) ExportedTemplate {
|
|
static S s;
|
|
};
|
|
template <typename T> S ExportedTemplate<T>::s;
|
|
void useExportedTemplate(ExportedTemplate<int> x) {
|
|
(void)x.s;
|
|
}
|
|
|
|
void StaticLocal() {
|
|
static S TheS;
|
|
}
|
|
|
|
// CHECK-LABEL: define dso_local void @"?StaticLocal@@YAXXZ"()
|
|
// CHECK: load i32, i32* @"?$S1@?1??StaticLocal@@YAXXZ@4IA"
|
|
// CHECK: store i32 {{.*}}, i32* @"?$S1@?1??StaticLocal@@YAXXZ@4IA"
|
|
// CHECK: ret
|
|
|
|
void MultipleStatics() {
|
|
static S S1;
|
|
static S S2;
|
|
static S S3;
|
|
static S S4;
|
|
static S S5;
|
|
static S S6;
|
|
static S S7;
|
|
static S S8;
|
|
static S S9;
|
|
static S S10;
|
|
static S S11;
|
|
static S S12;
|
|
static S S13;
|
|
static S S14;
|
|
static S S15;
|
|
static S S16;
|
|
static S S17;
|
|
static S S18;
|
|
static S S19;
|
|
static S S20;
|
|
static S S21;
|
|
static S S22;
|
|
static S S23;
|
|
static S S24;
|
|
static S S25;
|
|
static S S26;
|
|
static S S27;
|
|
static S S28;
|
|
static S S29;
|
|
static S S30;
|
|
static S S31;
|
|
static S S32;
|
|
static S S33;
|
|
static S S34;
|
|
static S S35;
|
|
}
|
|
// CHECK-LABEL: define dso_local void @"?MultipleStatics@@YAXXZ"()
|
|
// CHECK: load i32, i32* @"?$S1@?1??MultipleStatics@@YAXXZ@4IA"
|
|
// CHECK: and i32 {{.*}}, 1
|
|
// CHECK: and i32 {{.*}}, 2
|
|
// CHECK: and i32 {{.*}}, 4
|
|
// CHECK: and i32 {{.*}}, 8
|
|
// CHECK: and i32 {{.*}}, 16
|
|
// ...
|
|
// CHECK: and i32 {{.*}}, -2147483648
|
|
// CHECK: load i32, i32* @"?$S1@?1??MultipleStatics@@YAXXZ@4IA.1"
|
|
// CHECK: and i32 {{.*}}, 1
|
|
// CHECK: and i32 {{.*}}, 2
|
|
// CHECK: and i32 {{.*}}, 4
|
|
// CHECK: ret
|
|
|
|
// Force WeakODRLinkage by using templates
|
|
class A {
|
|
public:
|
|
A() {}
|
|
~A() {}
|
|
int a;
|
|
};
|
|
|
|
template<typename T>
|
|
class B {
|
|
public:
|
|
static A foo;
|
|
};
|
|
|
|
template<typename T> A B<T>::foo;
|
|
|
|
inline S &UnreachableStatic() {
|
|
if (0) {
|
|
static S s; // bit 1
|
|
return s;
|
|
}
|
|
static S s; // bit 2
|
|
return s;
|
|
}
|
|
|
|
// CHECK-LABEL: define linkonce_odr dso_local noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %struct.S* @"?UnreachableStatic@@YAAAUS@@XZ"() {{.*}} comdat
|
|
// CHECK: and i32 {{.*}}, 2
|
|
// CHECK: or i32 {{.*}}, 2
|
|
// CHECK: ret
|
|
|
|
inline S &getS() {
|
|
static S TheS;
|
|
return TheS;
|
|
}
|
|
|
|
// CHECK-LABEL: define linkonce_odr dso_local noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %struct.S* @"?getS@@YAAAUS@@XZ"() {{.*}} comdat
|
|
// CHECK: load i32, i32* @"??_B?1??getS@@YAAAUS@@XZ@51"
|
|
// CHECK: and i32 {{.*}}, 1
|
|
// CHECK: icmp eq i32 {{.*}}, 0
|
|
// CHECK: br i1
|
|
// init:
|
|
// CHECK: or i32 {{.*}}, 1
|
|
// CHECK: store i32 {{.*}}, i32* @"??_B?1??getS@@YAAAUS@@XZ@51"
|
|
// CHECK: call x86_thiscallcc noundef %struct.S* @"??0S@@QAE@XZ"(%struct.S* {{[^,]*}} @"?TheS@?1??getS@@YAAAUS@@XZ@4U2@A")
|
|
// CHECK: call i32 @atexit(void ()* @"??__FTheS@?1??getS@@YAAAUS@@XZ@YAXXZ")
|
|
// CHECK: br label
|
|
// init.end:
|
|
// CHECK: ret %struct.S* @"?TheS@?1??getS@@YAAAUS@@XZ@4U2@A"
|
|
|
|
inline int enum_in_function() {
|
|
// CHECK-LABEL: define linkonce_odr dso_local noundef i32 @"?enum_in_function@@YAHXZ"() {{.*}} comdat
|
|
static enum e { foo, bar, baz } x;
|
|
// CHECK: @"?x@?1??enum_in_function@@YAHXZ@4W4e@?1??1@YAHXZ@A"
|
|
static int y;
|
|
// CHECK: @"?y@?1??enum_in_function@@YAHXZ@4HA"
|
|
return x + y;
|
|
};
|
|
|
|
struct T {
|
|
enum e { foo, bar, baz };
|
|
int enum_in_struct() {
|
|
// CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc noundef i32 @"?enum_in_struct@T@@QAEHXZ"({{.*}}) {{.*}} comdat
|
|
static int x;
|
|
// CHECK: @"?x@?1??enum_in_struct@T@@QAEHXZ@4HA"
|
|
return x++;
|
|
}
|
|
};
|
|
|
|
inline int switch_test(int x) {
|
|
// CHECK-LABEL: define linkonce_odr dso_local noundef i32 @"?switch_test@@YAHH@Z"(i32 noundef %x) {{.*}} comdat
|
|
switch (x) {
|
|
static int a;
|
|
// CHECK: @"?a@?3??switch_test@@YAHH@Z@4HA"
|
|
case 0:
|
|
a++;
|
|
return 1;
|
|
case 1:
|
|
static int b;
|
|
// CHECK: @"?b@?3??switch_test@@YAHH@Z@4HA"
|
|
return b++;
|
|
case 2: {
|
|
static int c;
|
|
// CHECK: @"?c@?4??switch_test@@YAHH@Z@4HA"
|
|
return b + c++;
|
|
}
|
|
};
|
|
}
|
|
|
|
int f();
|
|
inline void switch_test2() {
|
|
// CHECK-LABEL: define linkonce_odr dso_local void @"?switch_test2@@YAXXZ"() {{.*}} comdat
|
|
// CHECK: @"?x@?2??switch_test2@@YAXXZ@4HA"
|
|
switch (1) default: static int x = f();
|
|
}
|
|
|
|
namespace DynamicDLLImportInitVSMangling {
|
|
// Failing to pop the ExprEvalContexts when instantiating a dllimport var with
|
|
// dynamic initializer would cause subsequent static local numberings to be
|
|
// incorrect.
|
|
struct NonPOD { NonPOD(); };
|
|
template <typename T> struct A { static NonPOD x; };
|
|
template <typename T> NonPOD A<T>::x;
|
|
template struct __declspec(dllimport) A<int>;
|
|
|
|
inline int switch_test3() {
|
|
// CHECK-LABEL: define linkonce_odr dso_local noundef i32 @"?switch_test3@DynamicDLLImportInitVSMangling@@YAHXZ"() {{.*}} comdat
|
|
static int local;
|
|
// CHECK: @"?local@?1??switch_test3@DynamicDLLImportInitVSMangling@@YAHXZ@4HA"
|
|
return local++;
|
|
}
|
|
}
|
|
|
|
void force_usage() {
|
|
UnreachableStatic();
|
|
getS();
|
|
(void)B<int>::foo; // (void) - force usage
|
|
enum_in_function();
|
|
(void)&T::enum_in_struct;
|
|
switch_test(1);
|
|
switch_test2();
|
|
DynamicDLLImportInitVSMangling::switch_test3();
|
|
}
|
|
|
|
// CHECK: define linkonce_odr dso_local void @"??__E?foo@?$B@H@@2VA@@A@@YAXXZ"() {{.*}} comdat
|
|
// CHECK-NOT: and
|
|
// CHECK-NOT: ?_Bfoo@
|
|
// CHECK: call x86_thiscallcc noundef %class.A* @"??0A@@QAE@XZ"
|
|
// CHECK: call i32 @atexit(void ()* @"??__F?foo@?$B@H@@2VA@@A@@YAXXZ")
|
|
// CHECK: ret void
|
|
|
|
// CHECK: define linkonce_odr dso_local x86_thiscallcc noundef %class.A* @"??0A@@QAE@XZ"({{.*}}) {{.*}} comdat
|
|
|
|
// CHECK: define linkonce_odr dso_local x86_thiscallcc void @"??1A@@QAE@XZ"({{.*}}) {{.*}} comdat
|
|
|
|
// CHECK: define internal void @"??__F?foo@?$B@H@@2VA@@A@@YAXXZ"
|
|
// CHECK: call x86_thiscallcc void @"??1A@@QAE@XZ"{{.*}}foo
|
|
// CHECK: ret void
|
|
|
|
// CHECK: define internal void @_GLOBAL__sub_I_microsoft_abi_static_initializers.cpp()
|
|
// CHECK: call void @"??__Es@@YAXXZ"()
|
|
// CHECK: ret void
|