|  | // RUN: %clang_cc1 %s -std=c11 -triple=x86_64-pc-linux -fvisibility=hidden -fapply-global-visibility-to-externs -emit-llvm -o - | FileCheck --check-prefix=CHECK-HIDDEN %s | 
|  | // RUN: %clang_cc1 %s -std=c11 -triple=x86_64-pc-linux -fvisibility=protected -fapply-global-visibility-to-externs -emit-llvm -o - | FileCheck --check-prefix=CHECK-PROTECTED %s | 
|  | // RUN: %clang_cc1 %s -std=c11 -triple=x86_64-pc-linux -fvisibility=default -fapply-global-visibility-to-externs -emit-llvm -o - | FileCheck --check-prefix=CHECK-DEFAULT %s | 
|  |  | 
|  | // CHECK-HIDDEN: @var_hidden = external hidden global | 
|  | // CHECK-PROTECTED: @var_hidden = external hidden global | 
|  | // CHECK-DEFAULT: @var_hidden = external hidden global | 
|  | __attribute__((visibility("hidden"))) extern int var_hidden; | 
|  | // CHECK-HIDDEN: @var_protected = external protected global | 
|  | // CHECK-PROTECTED: @var_protected = external protected global | 
|  | // CHECK-DEFAULT: @var_protected = external protected global | 
|  | __attribute__((visibility("protected"))) extern int var_protected; | 
|  | // CHECK-HIDDEN: @var_default = external global | 
|  | // CHECK-PROTECTED: @var_default = external global | 
|  | // CHECK-DEFAULT: @var_default = external global | 
|  | __attribute__((visibility("default"))) extern int var_default; | 
|  | // CHECK-HIDDEN: @var = external hidden global | 
|  | // CHECK-PROTECTED: @var = external protected global | 
|  | // CHECK-DEFAULT: @var = external global | 
|  | extern int var; | 
|  |  | 
|  | // CHECK-HIDDEN: declare hidden i32 @func_hidden() | 
|  | // CHECK-PROTECTED: declare hidden i32 @func_hidden() | 
|  | // CHECK-DEFAULT: declare hidden i32 @func_hidden() | 
|  | __attribute__((visibility("hidden"))) int func_hidden(void); | 
|  | // CHECK-HIDDEN: declare protected i32 @func_protected() | 
|  | // CHECK-PROTECTED: declare protected i32 @func_protected() | 
|  | // CHECK-DEFAULT: declare protected i32 @func_protected() | 
|  | __attribute__((visibility("protected"))) int func_protected(void); | 
|  | // CHECK-HIDDEN: declare i32 @func_default() | 
|  | // CHECK-PROTECTED: declare i32 @func_default() | 
|  | // CHECK-DEFAULT: declare i32 @func_default() | 
|  | __attribute__((visibility("default"))) int func_default(void); | 
|  | // CHECK-HIDDEN: declare hidden i32 @func() | 
|  | // CHECK-PROTECTED: declare protected i32 @func() | 
|  | // CHECK-DEFAULT: declare i32 @func() | 
|  | int func(void); | 
|  |  | 
|  | int use(void) { | 
|  | return var_hidden + var_protected + var_default + var + | 
|  | func_hidden() + func_protected() + func_default() + func(); | 
|  | } |