derek.holloway
7502bf64a4
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64 lines
2.8 KiB
C++
64 lines
2.8 KiB
C++
/// dllimport and dllexport express non-hidden intention. Don't apply hidden visibility.
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// RUN: %clang_cc1 -emit-llvm -triple x86_64-windows-msvc -fdeclspec -fvisibility-inlines-hidden -o - %s | FileCheck %s --check-prefix=MSVC
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// RUN: %clang_cc1 -emit-llvm -triple x86_64-windows-gnu -fdeclspec -fvisibility-inlines-hidden -o - %s | FileCheck %s --check-prefix=GNU
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// RUN: %clang_cc1 -emit-llvm -triple x86_64-windows-gnu -fdeclspec -fvisibility=hidden -o - %s | FileCheck %s --check-prefix=GNU
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// RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -DERR1 -o - %s
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// RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -fvisibility=hidden -DERR1 -o - %s
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// RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -DERR2 -o - %s
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// RUN: %clang_cc1 -emit-llvm-only -verify -triple x86_64-windows-gnu -fdeclspec -DERR3 -o - %s
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#define CONCAT2(x, y) x##y
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#define CONCAT(x, y) CONCAT2(x, y)
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#define USE(func) void CONCAT(use, __LINE__)() { func(); }
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#define HIDDEN __attribute__((visibility("hidden")))
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#define PROTECTED __attribute__((visibility("protected")))
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#define DEFAULT __attribute__((visibility("default")))
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// MSVC-DAG: declare dllimport void @"?bar@foo@@QEAAXXZ"(
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// GNU-DAG: define linkonce_odr hidden void @_ZN3foo3barEv(
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struct __attribute__((dllimport)) foo {
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void bar() {}
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};
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void zed(foo *p) { p->bar(); }
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// MSVC-DAG: define dso_local dllexport void @"?exported@@YAXXZ"(
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// GNU-DAG: define dso_local dllexport void @_Z8exportedv(
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__attribute__((dllexport)) void exported() {}
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// MSVC-DAG: define weak_odr dso_local dllexport void @"?exported_inline@@YAXXZ"(
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// GNU-DAG: define weak_odr dso_local dllexport void @_Z15exported_inlinev(
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__declspec(dllexport) inline void exported_inline() {}
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USE(exported_inline)
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__attribute__((dllexport)) DEFAULT void exported_default() {}
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// MSVC-DAG: define protected dllexport void @"?exported_protected@@YAXXZ"(
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// GNU-DAG: define protected dllexport void @_Z18exported_protectedv(
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#pragma GCC visibility push(protected)
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__attribute__((dllexport)) void exported_protected() {}
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#pragma GCC visibility pop
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#if defined(ERR1)
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// expected-error@+1 {{non-default visibility cannot be applied to 'dllimport' declaration}}
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__attribute__((dllimport)) HIDDEN void imported_hidden();
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// expected-error@+1 {{hidden visibility cannot be applied to 'dllexport' declaration}}
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__attribute__((dllexport)) HIDDEN void exported_hidden() { imported_hidden(); }
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#elif defined(ERR2)
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// expected-error@+1 {{non-default visibility cannot be applied to 'dllimport' declaration}}
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__attribute__((dllimport)) PROTECTED void imported_protected();
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void foo() { imported_protected(); }
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#elif defined(ERR3)
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struct HIDDEN C2 {
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// expected-error@+1 {{hidden visibility cannot be applied to 'dllexport' declaration}}
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__attribute__((dllexport)) void exported_hidden() {}
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};
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#endif
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