clang/test/CodeGen/global-decls.c

   1 // RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -o %t %s
   2
   3 // RUN: grep '@g0_ext = extern_weak global i32' %t
   4 extern int g0_ext __attribute__((weak));
   5 // RUN: grep 'declare extern_weak i32 @g1_ext()' %t
   6 extern int __attribute__((weak)) g1_ext (void);
   7
   8 // RUN: grep '@g0_common = weak global i32' %t
   9 int g0_common __attribute__((weak));
  10
  11 // RUN: grep '@g0_def = weak global i32' %t
  12 int g0_def __attribute__((weak)) = 52;
  13 // RUN: grep 'define weak i32 @g1_def()' %t
  14 int __attribute__((weak)) g1_def (void) { return 0; }
  15
  16 // Force _ext references
  17 void f0(void) {
  18   int a = g0_ext;
  19   int b = g1_ext();
  20 }
  21