64 lines · cpp
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=MSVC4// RUN: %clang_cc1 -emit-llvm -triple x86_64-windows-gnu -fdeclspec -fvisibility-inlines-hidden -o - %s | FileCheck %s --check-prefix=GNU5// RUN: %clang_cc1 -emit-llvm -triple x86_64-windows-gnu -fdeclspec -fvisibility=hidden -o - %s | FileCheck %s --check-prefix=GNU6 7// RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -DERR1 -o - %s8// RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -fvisibility=hidden -DERR1 -o - %s9// RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -DERR2 -o - %s10// RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -DERR3 -o - %s11 12#define CONCAT2(x, y) x##y13#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 23struct __attribute__((dllimport)) foo {24 void bar() {}25};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(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(34__declspec(dllexport) inline void 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)42__attribute__((dllexport)) void exported_protected() {}43#pragma GCC visibility pop44 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}}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 56void foo() { imported_protected(); }57 58#elif defined(ERR3)59struct HIDDEN C2 {60 // expected-error@+1 {{hidden visibility cannot be applied to 'dllexport' declaration}}61 __attribute__((dllexport)) void exported_hidden() {}62};63#endif64