clang/test/CodeGen/dllexport-1.c

   1 // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm -fms-extensions -Wno-ignored-attributes -Wno-extern-initializer -o - %s | FileCheck %s -check-prefix CHECK-LNX
   2 // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -emit-llvm -fms-extensions -o - -DMSVC %s | FileCheck %s -check-prefix CHECK-MSVC
   3
   4 // Export const variable.
   5
   6 // CHECK-MSVC: @x = dso_local dllexport constant i32 3, align 4
   7 // CHECK-LNX: @x ={{.*}} constant i32 3, align 4
   8
   9 // CHECK-MSVC: @z = dso_local constant i32 4, align 4
  10 // CHECK-LNX: @z ={{.*}} constant i32 4, align 4
  11
  12 // CHECK-MSVC: @y = dso_local dllexport constant i32 0, align 4
  13 // CHECK-LNX: @y ={{.*}} constant i32 0, align 4
  14
  15 __declspec(dllexport) int const x = 3;
  16 __declspec(dllexport) const int y;
  17
  18 // expected-warning@+1 {{'extern' variable has an initializer}}
  19 extern int const z = 4;
  20
  21 int main(void) {
  22   int a = x + y + z;
  23   return a;
  24 }