112 lines
4.1 KiB
C++
112 lines
4.1 KiB
C++
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// REQUIRES: x86-registered-target
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// Test that -fvisibility-from-dllstorageclass maps DLL storage class to visibility
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// and that it overrides the effect of visibility options and annotations.
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// RUN: %clang_cc1 -triple x86_64-unknown-windows-itanium -fdeclspec \
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// RUN: -fvisibility hidden \
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// RUN: -fapply-global-visibility-to-externs \
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// RUN: -fvisibility-from-dllstorageclass \
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// RUN: -x c++ %s -S -emit-llvm -o - | \
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// RUN: FileCheck %s --check-prefixes=DEFAULTS
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// RUN: %clang_cc1 -triple x86_64-unknown-windows-itanium -fdeclspec \
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// RUN: -fvisibility hidden \
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// RUN: -fapply-global-visibility-to-externs \
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// RUN: -fvisibility-from-dllstorageclass \
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// RUN: -fvisibility-dllexport=hidden \
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// RUN: -fvisibility-nodllstorageclass=protected \
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// RUN: -fvisibility-externs-dllimport=hidden \
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// RUN: -fvisibility-externs-nodllstorageclass=protected \
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// RUN: -x c++ %s -S -emit-llvm -o - | \
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// RUN: FileCheck %s --check-prefixes=EXPLICIT
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// RUN: %clang_cc1 -triple x86_64-unknown-windows-itanium -fdeclspec \
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// RUN: -fvisibility hidden \
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// RUN: -fapply-global-visibility-to-externs \
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// RUN: -fvisibility-from-dllstorageclass \
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// RUN: -fvisibility-dllexport=default \
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// RUN: -fvisibility-nodllstorageclass=default \
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// RUN: -fvisibility-externs-dllimport=default \
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// RUN: -fvisibility-externs-nodllstorageclass=default \
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// RUN: -x c++ %s -S -emit-llvm -o - | \
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// RUN: FileCheck %s --check-prefixes=ALL_DEFAULT
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// Local
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static void l() {}
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void use_locals(){l();}
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// DEFAULTS-DAG: define internal void @_ZL1lv()
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// EXPLICIT-DAG: define internal void @_ZL1lv()
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// ALL_DEFAULT-DAG: define internal void @_ZL1lv()
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// Function
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void f() {}
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void __declspec(dllexport) exported_f() {}
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// DEFAULTS-DAG: define hidden void @_Z1fv()
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// DEFAULTS-DAG: define void @_Z10exported_fv()
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// EXPLICIT-DAG: define protected void @_Z1fv()
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// EXPLICIT-DAG: define hidden void @_Z10exported_fv()
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// ALL_DEFAULT-DAG: define void @_Z1fv()
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// ALL_DEFAULT-DAG: define void @_Z10exported_fv()
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// Variable
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int d = 123;
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__declspec(dllexport) int exported_d = 123;
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// DEFAULTS-DAG: @d = hidden global
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// DEFAULTS-DAG: @exported_d = global
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// EXPLICIT-DAG: @d = protected global
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// EXPLICIT-DAG: @exported_d = hidden global
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// ALL_DEFAULT-DAG: @d = global
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// ALL_DEFAULT-DAG: @exported_d = global
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// Alias
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extern "C" void aliased() {}
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void a() __attribute__((alias("aliased")));
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void __declspec(dllexport) a_exported() __attribute__((alias("aliased")));
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// DEFAULTS-DAG: @_Z1av = hidden alias
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// DEFAULTS-DAG: @_Z10a_exportedv = alias
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// EXPLICIT-DAG: @_Z1av = protected alias
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// EXPLICIT-DAG: @_Z10a_exportedv = hidden alias
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// ALL_DEFAULT-DAG: @_Z1av = alias
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// ALL_DEFAULT-DAG: @_Z10a_exportedv = alias
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// Declaration
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extern void e();
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extern void __declspec(dllimport) imported_e();
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// DEFAULTS-DAG: declare hidden void @_Z1ev()
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// DEFAULTS-DAG: declare void @_Z10imported_ev()
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// EXPLICIT-DAG: declare protected void @_Z1ev()
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// EXPLICIT-DAG: declare hidden void @_Z10imported_ev()
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// ALL_DEFAULT-DAG: declare void @_Z1ev()
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// ALL_DEFAULT-DAG: declare void @_Z10imported_ev()
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// Weak Declaration
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__attribute__((weak))
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extern void w();
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__attribute__((weak))
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extern void __declspec(dllimport) imported_w();
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// DEFAULTS-DAG: declare extern_weak hidden void @_Z1wv()
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// DEFAULTS-DAG: declare extern_weak void @_Z10imported_wv()
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// EXPLICIT-DAG: declare extern_weak protected void @_Z1wv()
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// EXPLICIT-DAG: declare extern_weak hidden void @_Z10imported_wv()
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// ALL_DEFAULT-DAG: declare extern_weak void @_Z1wv()
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// ALL_DEFAULT-DAG: declare extern_weak void @_Z10imported_wv()
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void use_declarations(){e(); imported_e(); w(); imported_w();}
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// Show that -fvisibility-from-dllstorageclass overrides the effect of visibility annotations.
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struct __attribute__((type_visibility("protected"))) t {
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virtual void foo();
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};
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void t::foo() {}
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// DEFAULTS-DAG: @_ZTV1t = hidden unnamed_addr constant
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int v __attribute__ ((__visibility__ ("protected"))) = 123;
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// DEFAULTS-DAG: @v = hidden global
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#pragma GCC visibility push(protected)
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int p = 345;
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#pragma GCC visibility pop
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// DEFAULTS-DAG: @p = hidden global
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