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      1 // RUN: %clang_cc1 -emit-llvm -triple i386-linux-gnu -o %t %s
      2 // RUN: FileCheck --input-file=%t %s
      3 
      4 // CHECK: @test1_f = extern_weak global i32
      5 extern int test1_f;
      6 static int test1_g __attribute__((weakref("test1_f")));
      7 int test1_h(void) {
      8   return test1_g;
      9 }
     10 
     11 // CHECK: @test2_f = common global i32 0, align 4
     12 int test2_f;
     13 static int test2_g __attribute__((weakref("test2_f")));
     14 int test2_h(void) {
     15   return test2_g;
     16 }
     17 
     18 // CHECK: @test3_f = external global i32
     19 extern int test3_f;
     20 static int test3_g __attribute__((weakref("test3_f")));
     21 int test3_foo(void) {
     22   return test3_f;
     23 }
     24 int test3_h(void) {
     25   return test3_g;
     26 }
     27 
     28 // CHECK: @test4_f = common global i32 0, align 4
     29 extern int test4_f;
     30 static int test4_g __attribute__((weakref("test4_f")));
     31 int test4_h(void) {
     32   return test4_g;
     33 }
     34 int test4_f;
     35 
     36 // CHECK: @test5_f = external global i32
     37 extern int test5_f;
     38 static int test5_g __attribute__((weakref("test5_f")));
     39 int test5_h(void) {
     40   return test5_g;
     41 }
     42 int test5_foo(void) {
     43   return test5_f;
     44 }
     45 
     46 // CHECK: @test6_f = extern_weak global i32
     47 extern int test6_f __attribute__((weak));
     48 static int test6_g __attribute__((weakref("test6_f")));
     49 int test6_h(void) {
     50   return test6_g;
     51 }
     52 int test6_foo(void) {
     53   return test6_f;
     54 }
     55