clang/test/CodeGenCXX/windows-itanium-init-guard.cpp

   1 // Initialisation Guard Variables should take their DLL storage class from
   2 // the guarded variable. Otherwise, there will be a link error if the compiler
   3 // inlines a reference to the guard variable into another module but that
   4 // guard variable is not exported from the defining module.
   5
   6 // RUN: %clang_cc1 -emit-llvm -triple i686-windows-itanium -fdeclspec %s -O1 -disable-llvm-passes -o - -DAPI= | FileCheck %s --check-prefixes=NONE
   7 // RUN: %clang_cc1 -emit-llvm -triple i686-windows-itanium -fdeclspec %s -O1 -disable-llvm-passes -o - -DAPI="__declspec(dllexport)" | FileCheck %s --check-prefixes=EXPORT
   8 // RUN: %clang_cc1 -emit-llvm -triple i686-windows-itanium -fdeclspec %s -O1 -disable-llvm-passes -o - -DAPI="__declspec(dllimport)" | FileCheck %s --check-prefixes=IMPORT
   9
  10 // RUN: %clang_cc1 -emit-llvm -triple x86_64-scei-ps4 -fdeclspec %s -O1 -disable-llvm-passes -o - -DAPI= | FileCheck %s --check-prefixes=NONE
  11 // RUN: %clang_cc1 -emit-llvm -triple x86_64-scei-ps4 -fdeclspec %s -O1 -disable-llvm-passes -o - -DAPI="__declspec(dllexport)" | FileCheck %s --check-prefixes=EXPORT
  12 // RUN: %clang_cc1 -emit-llvm -triple x86_64-scei-ps4 -fdeclspec %s -O1 -disable-llvm-passes -o - -DAPI="__declspec(dllimport)" | FileCheck %s --check-prefixes=IMPORT
  13
  14 // RUN: %clang_cc1 -emit-llvm -triple x86_64-scei-ps5 -fdeclspec %s -O1 -disable-llvm-passes -o - -DAPI= | FileCheck %s --check-prefixes=NONE
  15 // RUN: %clang_cc1 -emit-llvm -triple x86_64-scei-ps5 -fdeclspec %s -O1 -disable-llvm-passes -o - -DAPI="__declspec(dllexport)" | FileCheck %s --check-prefixes=EXPORT
  16 // RUN: %clang_cc1 -emit-llvm -triple x86_64-scei-ps5 -fdeclspec %s -O1 -disable-llvm-passes -o - -DAPI="__declspec(dllimport)" | FileCheck %s --check-prefixes=IMPORT
  17
  18 //NONE: @_ZZN3foo3GetEvE9Singleton = linkonce_odr {{(dso_local )?}}global
  19 //NONE: @_ZGVZN3foo3GetEvE9Singleton = linkonce_odr {{(dso_local )?}}global
  20
  21 //EXPORT: @_ZZN3foo3GetEvE9Singleton = weak_odr {{(dso_local )?}}dllexport global
  22 //EXPORT: @_ZGVZN3foo3GetEvE9Singleton = weak_odr {{(dso_local )?}}dllexport global
  23
  24 //IMPORT: @_ZZN3foo3GetEvE9Singleton = available_externally dllimport global
  25 //IMPORT: @_ZGVZN3foo3GetEvE9Singleton = available_externally dllimport global
  26
  27 struct API foo {
  28   foo() {}
  29   static void Get() { static foo Singleton; }
  30 };
  31
  32 void f() { foo::Get(); }