clang/test/CodeGenCXX/runtime-dllstorage.cpp

   1 // RUN: %clang_cc1 -triple i686-windows-msvc -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-MS -check-prefix CHECK-MS-DYNAMIC
   2 // RUN: %clang_cc1 -triple i686-windows-msvc -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -flto-visibility-public-std -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-MS -check-prefix CHECK-MS-STATIC
   3
   4 // RUN: %clang_cc1 -triple i686-windows-itanium -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-DYNAMIC-IA -check-prefix CHECK-DYNAMIC-NODECL-IA
   5 // RUN: %clang_cc1 -triple i686-windows-itanium -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -flto-visibility-public-std -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-STATIC-IA -check-prefix CHECK-STATIC-NODECL-IA
   6 // RUN: %clang_cc1 -triple i686-windows-itanium -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -DIMPORT_DECLARATIONS -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-DYNAMIC-IA -check-prefix CHECK-DYNAMIC-IMPORT-IA
   7 // RUN: %clang_cc1 -triple i686-windows-itanium -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -flto-visibility-public-std -DIMPORT_DECLARATIONS -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-STATIC-IA -check-prefix CHECK-STATIC-IMPORT-IA
   8 // RUN: %clang_cc1 -triple i686-windows-itanium -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -DEXPORT_DECLARATIONS -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-DYNAMIC-IA
   9 // RUN: %clang_cc1 -triple i686-windows-itanium -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -flto-visibility-public-std -DEXPORT_DECLARATIONS -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-STATIC-IA
  10 // RUN: %clang_cc1 -triple i686-windows-itanium -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -DDECL -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-DYNAMIC-IA -check-prefix CHECK-DYNAMIC-DECL-IA
  11 // RUN: %clang_cc1 -triple i686-windows-itanium -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -flto-visibility-public-std -DDECL -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-STATIC-IA -check-prefix CHECK-STATIC-DECL-IA
  12 // %clang_cc1 -triple i686-windows-itanium -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -fno-use-cxa-atexit -emit-llvm -o - %s | FileCheck %s -check-prefix CHECK-IA -check-prefix CHECK-DYNAMIC-IA -check-prefix CHECK-DYNAMIC-IA-ATEXIT
  13 // %clang_cc1 -triple i686-windows-itanium -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -fno-use-cxa-atexit -emit-llvm -o - %s | FileCheck %s -check-prefix CHECK-IA -check-prefix CHECK-STATIC-IA -check-prefix CHECK-STATIC-IA-ATEXIT
  14
  15 // RUN: %clang_cc1 -triple i686-windows-gnu -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-STATIC-IA
  16 // RUN: %clang_cc1 -triple i686-windows-gnu -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -flto-visibility-public-std -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-STATIC-IA
  17 // RUN: %clang_cc1 -triple i686-windows-cygnus -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-STATIC-IA
  18 // RUN: %clang_cc1 -triple i686-windows-cygnus -std=c++11 -fdeclspec -fms-compatibility -fexceptions -fcxx-exceptions -flto-visibility-public-std -emit-llvm -o - %s | FileCheck -allow-deprecated-dag-overlap %s -check-prefix CHECK-IA -check-prefix CHECK-STATIC-IA
  19
  20 #if defined(IMPORT_DECLARATIONS)
  21 namespace __cxxabiv1 {
  22 extern "C" {
  23 __declspec(dllimport) void __cxa_guard_acquire(unsigned long long *);
  24 __declspec(dllimport) unsigned char *__cxa_allocate_exception(unsigned long);
  25 }
  26 extern "C" __declspec(dllimport) void __cxa_guard_release(unsigned long long *);
  27 }
  28 namespace std {
  29 __declspec(dllimport) __declspec(noreturn) void terminate();
  30 }
  31 #elif defined(EXPORT_DECLARATIONS)
  32 namespace __cxxabiv1 {
  33 extern "C" {
  34 __declspec(dllexport) void __cxa_guard_acquire(unsigned long long *);
  35 __declspec(dllexport) unsigned char *__cxa_allocate_exception(unsigned long);
  36 }
  37 extern "C" void __declspec(dllexport) __cxa_guard_release(unsigned long long *);
  38 }
  39 namespace std {
  40 __declspec(dllexport) __declspec(noreturn) void terminate();
  41 }
  42 #elif defined(DECL)
  43 namespace __cxxabiv1 {
  44 extern "C" unsigned char *__cxa_allocate_exception(unsigned long);
  45 }
  46 namespace std {
  47 __declspec(noreturn) void terminate();
  48 }
  49 #else
  50 namespace std {
  51 __declspec(noreturn) void terminate();
  52 }
  53 #endif
  54
  55 struct s {
  56   s() = default;
  57   s(unsigned char) { throw 0; }
  58   int m() const;
  59 };
  60
  61 struct t {
  62   ~t();
  63   int m() const;
  64 };
  65
  66 struct u {
  67   ~u();
  68 };
  69
  70 s o;
  71 thread_local t t;
  72 u v;
  73 __declspec(thread) s q;
  74
  75 void __declspec(noinline) f() {
  76   throw 0;
  77 }
  78
  79 void g();
  80 void __declspec(noinline) h() {
  81   try {
  82     g();
  83   } catch (const int &) {
  84     return;
  85   } catch (...) {
  86     throw;
  87   }
  88 }
  89
  90 void i() {
  91   s r(static_cast<unsigned char>('\t'));
  92 }
  93
  94 int j() {
  95   static thread_local struct t v;
  96   static struct t *w = new struct t;
  97   return w->m() ? v.m() : w->m();
  98 }
  99
 100 void k() noexcept {
 101   g();
 102 }
 103
 104 void l() {
 105   std::terminate();
 106 }
 107
 108 // CHECK-MS-DAG: @_Init_thread_epoch = external thread_local global i32
 109 // CHECK-MS-DAG: declare dso_local i32 @__tlregdtor(ptr)
 110 // CHECK-MS-DAG: declare dso_local i32 @atexit(ptr)
 111 // CHECK-MS-DYNAMIC-DAG: declare {{.*}} void @_CxxThrowException
 112 // CHECK-MS-STATIC-DAG: declare {{.*}} void @_CxxThrowException
 113 // CHECK-MS-DAG: declare dso_local noundef nonnull ptr @"??2@YAPAXI@Z"
 114 // CHECK-MS-DAG: declare dso_local void @_Init_thread_header(ptr)
 115 // CHECK-MS-DAG: declare dso_local void @_Init_thread_footer(ptr)
 116
 117 // CHECK-IA-DAG: @_ZTH1t = dso_local alias void (), ptr @__tls_init
 118 // CHECK-IA-DAG: declare dso_local i32 @__gxx_personality_v0(...)
 119 // CHECK-IA-DAG: define linkonce_odr hidden void @__clang_call_terminate(ptr noundef %0)
 120
 121 // CHECK-DYNAMIC-IA-DAG: declare dllimport i32 @__cxa_thread_atexit(ptr, ptr, ptr)
 122 // CHECK-DYNAMIC-IA-DAG: declare dllimport i32 @__cxa_atexit(ptr, ptr, ptr)
 123 // CHECK-DYNAMIC-IA-DECL-DAG: declare ptr @__cxa_allocate_exception(i32 noundef)
 124 // CHECK-DYNAMIC-IA-NODECL-DAG: declare dllimport ptr @__cxa_allocate_exception(i32 noundef)
 125 // CHECK-DYNAMIC-IA-IMPORT-DAG: declare dllimport ptr @__cxa_allocate_exception(i32 noundef)
 126 // CHECK-DYNAMIC-IA-EXPORT-DAG: declare dllimport ptr @__cxa_allocate_exception(i32 noundef)
 127 // CHECK-DYNAMIC-IA-DAG: declare dllimport void @__cxa_throw(ptr, ptr, ptr)
 128 // CHECK-DYNAMIC-DECL-IA-DAG: declare dllimport i32 @__cxa_guard_acquire(ptr)
 129 // CHECK-DYNAMIC-NODECL-IA-DAG: declare dllimport i32 @__cxa_guard_acquire(ptr)
 130 // CHECK-DYNAMIC-IMPORT-IA-DAG: declare dllimport i32 @__cxa_guard_acquire(ptr)
 131 // CHECK-DYNAMIC-EXPORT-IA-DAG: declare dllexport i32 @__cxa_guard_acquire(ptr)
 132 // CHECK-IA-DAG: declare dso_local noundef nonnull ptr @_Znwj(i32 noundef)
 133 // CHECK-DYNAMIC-DECL-IA-DAG: declare dllimport void @__cxa_guard_release(ptr)
 134 // CHECK-DYNAMIC-NODECL-IA-DAG: declare dllimport void @__cxa_guard_release(ptr)
 135 // CHECK-DYNAMIC-IMPORT-IA-DAG: declare dllimport void @__cxa_guard_release(ptr)
 136 // CHECK-DYNAMIC-EXPORT-IA-DAG: declare dllimport void @__cxa_guard_release(ptr)
 137 // CHECK-DYANMIC-IA-DAG: declare dllimport void @_ZSt9terminatev()
 138 // CHECK-DYNAMIC-NODECL-IA-DAG: declare dso_local void @_ZSt9terminatev()
 139 // CHECK-DYNAMIC-IMPORT-IA-DAG: declare dllimport void @_ZSt9terminatev()
 140 // CHECK-DYNAMIC-EXPORT-IA-DAG: declare dso_local dllexport void @_ZSt9terminatev()
 141
 142 // CHECK-STATIC-IA-DAG: declare dso_local i32 @__cxa_thread_atexit(ptr, ptr, ptr)
 143 // CHECK-STATIC-IA-DAG: declare dso_local i32 @__cxa_atexit(ptr, ptr, ptr)
 144 // CHECK-STATIC-IA-DAG: declare dso_local ptr @__cxa_allocate_exception(i32)
 145 // CHECK-STATIC-IA-DAG: declare dso_local void @__cxa_throw(ptr, ptr, ptr)
 146 // CHECK-STATIC-DECL-IA-DAG: declare dso_local i32 @__cxa_guard_acquire(ptr)
 147 // CHECK-STATIC-NODECL-IA-DAG: declare dso_local i32 @__cxa_guard_acquire(ptr)
 148 // CHECK-STATIC-IMPORT-IA-DAG: declare dso_local i32 @__cxa_guard_acquire(ptr)
 149 // CHECK-STATIC-EXPORT-IA-DAG: declare dso_local i32 @__cxa_guard_acquire(ptr)
 150 // CHECK-IA-DAG: declare dso_local noundef nonnull ptr @_Znwj(i32 noundef)
 151 // CHECK-STATIC-DECL-IA-DAG: declare dso_local void @__cxa_guard_release(ptr)
 152 // CHECK-STATIC-NODECL-IA-DAG: declare dso_local void @__cxa_guard_release(ptr)
 153 // CHECK-STATIC-IMPORT-IA-DAG: declare dso_local void @__cxa_guard_release(ptr)
 154 // CHECK-STATIC-EXPORT-IA-DAG: declare dso_local void @__cxa_guard_release(ptr)
 155 // CHECK-STATIC-IA-DAG: declare dso_local void @_ZSt9terminatev()
 156 // CHECK-STATIC-NODECL-IA-DAG: declare dso_local void @_ZSt9terminatev()
 157 // CHECK-STATIC-IMPORT-IA-DAG: declare dso_local void @_ZSt9terminatev()
 158 // CHECK-STATIC-EXPORT-IA-DAG: declare dso_local dllexport void @_ZSt9terminatev()