1 /// dllimport and dllexport express non-hidden intention. Don't apply hidden visibility. 2 3 // RUN: %clang_cc1 -emit-llvm -triple x86_64-windows-msvc -fdeclspec -fvisibility-inlines-hidden -o - %s | FileCheck %s --check-prefix=MSVC 4 // RUN: %clang_cc1 -emit-llvm -triple x86_64-windows-gnu -fdeclspec -fvisibility-inlines-hidden -o - %s | FileCheck %s --check-prefix=GNU 5 // RUN: %clang_cc1 -emit-llvm -triple x86_64-windows-gnu -fdeclspec -fvisibility=hidden -o - %s | FileCheck %s --check-prefix=GNU 6 7 // RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -DERR1 -o - %s 8 // RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -fvisibility=hidden -DERR1 -o - %s 9 // RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -DERR2 -o - %s 10 // RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -DERR3 -o - %s 11 12 #define CONCAT2(x, y) x##y 13 #define CONCAT(x, y) CONCAT2(x, y) 14 #define USE(func) void CONCAT(use, __LINE__)() { func(); } 15 16 #define HIDDEN __attribute__((visibility("hidden"))) 17 #define PROTECTED __attribute__((visibility("protected"))) 18 #define DEFAULT __attribute__((visibility("default"))) 19 20 // MSVC-DAG: declare dllimport void @"?bar@foo@@QEAAXXZ"( 21 // GNU-DAG: define linkonce_odr hidden void @_ZN3foo3barEv( 22 23 struct __attribute__((dllimport)) foo { barfoo24 void bar() {} 25 }; zed(foo * p)26void zed(foo *p) { p->bar(); } 27 28 // MSVC-DAG: define dso_local dllexport void @"?exported@@YAXXZ"( 29 // GNU-DAG: define dso_local dllexport void @_Z8exportedv( exported()30__attribute__((dllexport)) void exported() {} 31 32 // MSVC-DAG: define weak_odr dso_local dllexport void @"?exported_inline@@YAXXZ"( 33 // GNU-DAG: define weak_odr dso_local dllexport void @_Z15exported_inlinev( exported_inline()34__declspec(dllexport) inline void exported_inline() {} USE(exported_inline)35USE(exported_inline) 36 37 __attribute__((dllexport)) DEFAULT void exported_default() {} 38 39 // MSVC-DAG: define protected dllexport void @"?exported_protected@@YAXXZ"( 40 // GNU-DAG: define protected dllexport void @_Z18exported_protectedv( 41 #pragma GCC visibility push(protected) exported_protected()42__attribute__((dllexport)) void exported_protected() {} 43 #pragma GCC visibility pop 44 45 #if defined(ERR1) 46 // expected-error@+1 {{non-default visibility cannot be applied to 'dllimport' declaration}} 47 __attribute__((dllimport)) HIDDEN void imported_hidden(); 48 49 // expected-error@+1 {{hidden visibility cannot be applied to 'dllexport' declaration}} exported_hidden()50__attribute__((dllexport)) HIDDEN void exported_hidden() { imported_hidden(); } 51 52 #elif defined(ERR2) 53 // expected-error@+1 {{non-default visibility cannot be applied to 'dllimport' declaration}} 54 __attribute__((dllimport)) PROTECTED void imported_protected(); 55 foo()56void foo() { imported_protected(); } 57 58 #elif defined(ERR3) 59 struct HIDDEN C2 { 60 // expected-error@+1 {{hidden visibility cannot be applied to 'dllexport' declaration}} exported_hiddenC261 __attribute__((dllexport)) void exported_hidden() {} 62 }; 63 #endif 64