clang/test/CodeGen/no-common.c

   1 // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-DEFAULT
   2 // RUN: %clang_cc1 %s -fno-common -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-DEFAULT
   3 // RUN: %clang_cc1 %s -fcommon -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-COMMON
   4
   5 // CHECK-COMMON: @x = common {{(dso_local )?}}global
   6 // CHECK-DEFAULT: @x = {{(dso_local )?}}global
   7 int x;
   8
   9 // CHECK-COMMON: @ABC = {{(dso_local )?}}global
  10 // CHECK-DEFAULT: @ABC = {{(dso_local )?}}global
  11 typedef void* (*fn_t)(long a, long b, char *f, int c);
  12 fn_t ABC __attribute__ ((nocommon));
  13
  14 // CHECK-COMMON: @y = common {{(dso_local )?}}global
  15 // CHECK-DEFAULT: @y = common {{(dso_local )?}}global
  16 int y __attribute__((common));