| // RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify -pedantic %s -DGNU |
| // RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify -pedantic -x c++ %s -DGNU -std=c++98 |
| // RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify -pedantic %s -std=c11 -DC11 -D__thread=_Thread_local |
| // RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify=expected,thread-local -pedantic -x c++ %s -DC11 -D__thread=_Thread_local -std=c++98 |
| // RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify -pedantic -x c++ %s -DCXX11 -D__thread=thread_local -std=c++11 -Wno-deprecated |
| // RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify=expected,thread-local -pedantic -x c++ %s -DC11 -D__thread=_Thread_local -std=c++11 -Wno-deprecated |
| // RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify=expected,thread-local -pedantic %s -std=c99 -D__thread=_Thread_local -DC99 |
| |
| #ifdef __cplusplus |
| // In C++, we define __private_extern__ to extern. |
| #undef __private_extern__ |
| #endif |
| |
| __thread int t1; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| __thread extern int t2; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| __thread static int t3; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| #ifdef GNU |
| // expected-warning@-3 {{'__thread' before 'extern'}} |
| // expected-warning@-3 {{'__thread' before 'static'}} |
| #endif |
| |
| __thread __private_extern__ int t4; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| struct t5 { __thread int x; }; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| #ifdef __cplusplus |
| // expected-error-re@-2 {{'{{__thread|_Thread_local|thread_local}}' is only allowed on variable declarations}} |
| #else |
| // FIXME: The 'is only allowed on variable declarations' diagnostic is better here. |
| // expected-error@-5 {{type name does not allow storage class to be specified}} |
| #endif |
| |
| __thread int t6(); // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| #if defined(GNU) |
| // expected-error@-2 {{'__thread' is only allowed on variable declarations}} |
| #elif defined(C11) || defined(C99) |
| // expected-error@-4 {{'_Thread_local' is only allowed on variable declarations}} |
| #else |
| // expected-error@-6 {{'thread_local' is only allowed on variable declarations}} |
| #endif |
| |
| int f(__thread int t7) { // expected-error {{' is only allowed on variable declarations}} \ |
| // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| __thread int t8; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| #if defined(GNU) |
| // expected-error@-2 {{'__thread' variables must have global storage}} |
| #elif defined(C11) || defined(C99) |
| // expected-error@-4 {{'_Thread_local' variables must have global storage}} |
| #endif |
| extern __thread int t9; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| static __thread int t10; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| __thread __private_extern__ int t11; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| #if __cplusplus < 201103L |
| __thread auto int t12a; // expected-error-re {{cannot combine with previous '{{__thread|_Thread_local}}' declaration specifier}} \ |
| // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| auto __thread int t12b; // expected-error {{cannot combine with previous 'auto' declaration specifier}} \ |
| // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| #elif !defined(CXX11) |
| __thread auto t12a = 0; // expected-error {{'_Thread_local' variables must have global storage}} \ |
| // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| auto __thread t12b = 0; // expected-error {{'_Thread_local' variables must have global storage}} \ |
| // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| #endif |
| __thread register int t13a; // expected-error-re {{cannot combine with previous '{{__thread|_Thread_local|thread_local}}' declaration specifier}} \ |
| // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| register __thread int t13b; // expected-error {{cannot combine with previous 'register' declaration specifier}} \ |
| // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| } |
| |
| __thread typedef int t14; // expected-error-re {{cannot combine with previous '{{__thread|_Thread_local|thread_local}}' declaration specifier}} \ |
| // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| __thread int t15; // expected-note {{previous definition is here}} \ |
| // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| extern int t15; // expected-error {{non-thread-local declaration of 't15' follows thread-local declaration}} |
| extern int t16; // expected-note {{previous declaration is here}} |
| __thread int t16; // expected-error {{thread-local declaration of 't16' follows non-thread-local declaration}} \ |
| // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| |
| #ifdef CXX11 |
| extern thread_local int t17; // expected-note {{previous declaration is here}} |
| _Thread_local int t17; // expected-error {{thread-local declaration of 't17' with static initialization follows declaration with dynamic initialization}} \ |
| // expected-warning {{'_Thread_local' is a C11 extension}} |
| extern _Thread_local int t18; // expected-note {{previous declaration is here}} \ |
| // expected-warning {{'_Thread_local' is a C11 extension}} |
| thread_local int t18; // expected-error {{thread-local declaration of 't18' with dynamic initialization follows declaration with static initialization}} |
| #endif |
| |
| // PR13720 |
| __thread int thread_int; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| int *thread_int_ptr = &thread_int; |
| #ifndef __cplusplus |
| // expected-error@-2 {{initializer element is not a compile-time constant}} |
| #endif |
| void g() { |
| int *p = &thread_int; // This is perfectly fine, though. |
| } |
| #if __cplusplus >= 201103L |
| constexpr int *thread_int_ptr_2 = &thread_int; // expected-error {{must be initialized by a constant expression}} |
| #endif |
| |
| int non_const(); |
| __thread int non_const_init = non_const(); // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| #if !defined(__cplusplus) |
| // expected-error@-2 {{initializer element is not a compile-time constant}} |
| #elif !defined(CXX11) |
| // expected-error@-4 {{initializer for thread-local variable must be a constant expression}} |
| #if __cplusplus >= 201103L |
| // expected-note@-6 {{use 'thread_local' to allow this}} |
| #endif |
| #endif |
| |
| #ifdef __cplusplus |
| struct S { |
| ~S(); |
| }; |
| __thread S s; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| #if !defined(CXX11) |
| // expected-error@-2 {{type of thread-local variable has non-trivial destruction}} |
| #if __cplusplus >= 201103L |
| // expected-note@-4 {{use 'thread_local' to allow this}} |
| #endif |
| #endif |
| #endif |
| |
| #ifdef __cplusplus |
| struct HasCtor { |
| HasCtor(); |
| }; |
| __thread HasCtor var_with_ctor; // thread-local-warning {{'_Thread_local' is a C11 extension}} |
| #if !defined(CXX11) |
| // expected-error@-2 {{initializer for thread-local variable must be a constant expression}} |
| #if __cplusplus >= 201103L |
| // expected-note@-4 {{use 'thread_local' to allow this}} |
| #endif |
| #endif |
| #endif |
| |
| __thread int aggregate[10] = {0}; // thread-local-warning {{'_Thread_local' is a C11 extension}} |