clang/test/Sema/attr-loader-uninitialized.c

   1 // RUN: %clang_cc1 %s -verify -fsyntax-only
   2 // See also attr-loader-uninitialized.cpp
   3
   4 int good __attribute__((loader_uninitialized));
   5 static int local_ok __attribute__((loader_uninitialized));
   6 int hidden_ok __attribute__((visibility("hidden"))) __attribute__((loader_uninitialized));
   7
   8 const int can_still_be_const __attribute__((loader_uninitialized));
   9
  10 extern int external_rejected __attribute__((loader_uninitialized));
  11 // expected-error@-1 {{variable 'external_rejected' cannot be declared both 'extern' and with the 'loader_uninitialized' attribute}}
  12
  13 struct S;
  14 extern struct S incomplete_external_rejected __attribute__((loader_uninitialized));
  15 // expected-error@-1 {{variable 'incomplete_external_rejected' cannot be declared both 'extern' and with the 'loader_uninitialized' attribute}}
  16
  17 int noargs __attribute__((loader_uninitialized(0)));
  18 // expected-error@-1 {{'loader_uninitialized' attribute takes no arguments}}
  19
  20 int init_rejected __attribute__((loader_uninitialized)) = 42;
  21 // expected-error@-1 {{variable with 'loader_uninitialized' attribute cannot have an initializer}}
  22
  23 int declaration_then_uninit_ok;
  24 int declaration_then_uninit_ok __attribute__((loader_uninitialized));
  25
  26 int definition_then_uninit_rejected = 0;
  27 int definition_then_uninit_rejected __attribute__((loader_uninitialized));
  28 // expected-error@-1 {{redeclaration cannot add 'loader_uninitialized' attribute}}
  29 // expected-note@-3 {{previous definition is here}}
  30
  31 int tentative_repeated_ok __attribute__((loader_uninitialized));
  32 int tentative_repeated_ok __attribute__((loader_uninitialized));
  33
  34 __private_extern__ int private_extern_can_be_initialised = 10;
  35 __private_extern__ int therefore_uninit_private_extern_ok __attribute__((loader_uninitialized));
  36
  37 __private_extern__ int initialized_private_extern_rejected __attribute__((loader_uninitialized)) = 5;
  38 // expected-error@-1 {{variable with 'loader_uninitialized' attribute cannot have an initializer}}
  39
  40 extern __attribute__((visibility("hidden"))) int extern_hidden __attribute__((loader_uninitialized));
  41 // expected-error@-1 {{variable 'extern_hidden' cannot be declared both 'extern' and with the 'loader_uninitialized' attribute}}
  42
  43 struct Incomplete;
  44 struct Incomplete incomplete __attribute__((loader_uninitialized));
  45 // expected-error@-1 {{variable has incomplete type 'struct Incomplete'}}
  46 // expected-note@-3 {{forward declaration of 'struct Incomplete'}}