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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")));
test1_h(void)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")));
test2_h(void)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")));
test3_foo(void)21 int test3_foo(void) {
22   return test3_f;
23 }
test3_h(void)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")));
test4_h(void)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")));
test5_h(void)39 int test5_h(void) {
40   return test5_g;
41 }
test5_foo(void)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")));
test6_h(void)49 int test6_h(void) {
50   return test6_g;
51 }
test6_foo(void)52 int test6_foo(void) {
53   return test6_f;
54 }
55