clang/test/CodeGen/attr-weakref2.c

   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 = 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 = 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 }