| Rafael Espindola | d205498 | 2013-10-22 19:26:13 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-pc-linux -fsyntax-only -verify -emit-llvm-only %s |
| 2 | |
| 3 | void f1(void) __attribute__((alias("g1"))); |
| 4 | void g1(void) { |
| 5 | } |
| 6 | |
| 7 | void f2(void) __attribute__((alias("g2"))); // expected-error {{alias must point to a defined variable or function}} |
| 8 | |
| 9 | |
| 10 | void f3(void) __attribute__((alias("g3"))); // expected-error {{alias must point to a defined variable or function}} |
| 11 | void g3(void); |
| 12 | |
| 13 | |
| 14 | void f4() __attribute__((alias("g4"))); |
| 15 | void g4() {} |
| 16 | void h4() __attribute__((alias("f4"))); |
| 17 | |
| 18 | void f5() __attribute__((alias("g5"))); |
| 19 | void h5() __attribute__((alias("f5"))); |
| 20 | void g5() {} |
| 21 | |
| 22 | void g6() {} |
| 23 | void f6() __attribute__((alias("g6"))); |
| 24 | void h6() __attribute__((alias("f6"))); |
| 25 | |
| 26 | void g7() {} |
| 27 | void h7() __attribute__((alias("f7"))); |
| 28 | void f7() __attribute__((alias("g7"))); |
| 29 | |
| 30 | void h8() __attribute__((alias("f8"))); |
| 31 | void g8() {} |
| 32 | void f8() __attribute__((alias("g8"))); |
| 33 | |
| 34 | void h9() __attribute__((alias("f9"))); |
| 35 | void f9() __attribute__((alias("g9"))); |
| 36 | void g9() {} |
| 37 | |
| Rafael Espindola | d205498 | 2013-10-22 19:26:13 +0000 | [diff] [blame] | 38 | extern int a1 __attribute__((alias("b1"))); |
| 39 | int b1 = 42; |
| 40 | |
| 41 | extern int a2 __attribute__((alias("b2"))); // expected-error {{alias must point to a defined variable or function}} |
| 42 | |
| 43 | extern int a3 __attribute__((alias("b3"))); // expected-error {{alias must point to a defined variable or function}} |
| 44 | extern int b3; |
| 45 | |
| 46 | extern int a4 __attribute__((alias("b4"))); // expected-error {{alias must point to a defined variable or function}} |
| 47 | typedef int b4; |
| Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 48 | |
| 49 | void test2_bar() {} |
| 50 | void test2_foo() __attribute__((weak, alias("test2_bar"))); |
| 51 | void test2_zed() __attribute__((alias("test2_foo"))); // expected-warning {{alias will always resolve to test2_bar even if weak definition of alias test2_foo is overridden}} |
| Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 52 | |
| 53 | void test3_bar() { } |
| 54 | void test3_foo() __attribute__((section("test"))); // expected-warning {{alias will not be in section 'test' but in the same section as the aliasee}} |
| 55 | void test3_foo() __attribute__((alias("test3_bar"))); |
| 56 | |
| 57 | __attribute__((section("test"))) void test4_bar() { } |
| 58 | void test4_foo() __attribute__((section("test"))); |
| 59 | void test4_foo() __attribute__((alias("test4_bar"))); |