| 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 | |
|---|
| 38 | void f10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}} |
|---|
| 39 | void g10() __attribute__((alias("f10"))); // expected-error {{alias definition is part of a cycle}} |
|---|
| 40 | |
|---|
| 41 | // FIXME: This could be a bit better, h10 is not part of the cycle, it points |
|---|
| 42 | // to it. |
|---|
| 43 | void h10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}} |
|---|
| 44 | |
|---|
| 45 | extern int a1 __attribute__((alias("b1"))); |
|---|
| 46 | int b1 = 42; |
|---|
| 47 | |
|---|
| 48 | extern int a2 __attribute__((alias("b2"))); // expected-error {{alias must point to a defined variable or function}} |
|---|
| 49 | |
|---|
| 50 | extern int a3 __attribute__((alias("b3"))); // expected-error {{alias must point to a defined variable or function}} |
|---|
| 51 | extern int b3; |
|---|
| 52 | |
|---|
| 53 | extern int a4 __attribute__((alias("b4"))); // expected-error {{alias must point to a defined variable or function}} |
|---|
| 54 | typedef int b4; |
|---|
| 55 | |
|---|
| 56 | void test2_bar() {} |
|---|
| 57 | void test2_foo() __attribute__((weak, alias("test2_bar"))); |
|---|
| 58 | void test2_zed() __attribute__((alias("test2_foo"))); // expected-warning {{alias will always resolve to test2_bar even if weak definition of test2_foo is overridden}} |
|---|
| 59 | |
|---|
| 60 | void test3_bar() { } |
|---|
| 61 | void test3_foo() __attribute__((section("test"))); // expected-warning {{alias will not be in section 'test' but in the same section as the aliasee}} |
|---|
| 62 | void test3_foo() __attribute__((alias("test3_bar"))); |
|---|
| 63 | |
|---|
| 64 | __attribute__((section("test"))) void test4_bar() { } |
|---|
| 65 | void test4_foo() __attribute__((section("test"))); |
|---|
| 66 | void test4_foo() __attribute__((alias("test4_bar"))); |
|---|
| 67 | |
|---|
| 68 | int test5_bar = 0; |
|---|
| 69 | extern struct incomplete_type test5_foo __attribute__((alias("test5_bar"))); |
|---|
| 70 | |
|---|