| // RUN: %clang_cc1 -triple x86_64-pc-linux -fsyntax-only -verify -emit-llvm-only %s |
| |
| void f1(void) __attribute__((alias("g1"))); |
| void g1(void) { |
| } |
| |
| void f2(void) __attribute__((alias("g2"))); // expected-error {{alias must point to a defined variable or function}} |
| |
| |
| void f3(void) __attribute__((alias("g3"))); // expected-error {{alias must point to a defined variable or function}} |
| void g3(void); |
| |
| |
| void f4() __attribute__((alias("g4"))); |
| void g4() {} |
| void h4() __attribute__((alias("f4"))); |
| |
| void f5() __attribute__((alias("g5"))); |
| void h5() __attribute__((alias("f5"))); |
| void g5() {} |
| |
| void g6() {} |
| void f6() __attribute__((alias("g6"))); |
| void h6() __attribute__((alias("f6"))); |
| |
| void g7() {} |
| void h7() __attribute__((alias("f7"))); |
| void f7() __attribute__((alias("g7"))); |
| |
| void h8() __attribute__((alias("f8"))); |
| void g8() {} |
| void f8() __attribute__((alias("g8"))); |
| |
| void h9() __attribute__((alias("f9"))); |
| void f9() __attribute__((alias("g9"))); |
| void g9() {} |
| |
| void f10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}} |
| void g10() __attribute__((alias("f10"))); // expected-error {{alias definition is part of a cycle}} |
| |
| // FIXME: This could be a bit better, h10 is not part of the cycle, it points |
| // to it. |
| void h10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}} |
| |
| extern int a1 __attribute__((alias("b1"))); |
| int b1 = 42; |
| |
| extern int a2 __attribute__((alias("b2"))); // expected-error {{alias must point to a defined variable or function}} |
| |
| extern int a3 __attribute__((alias("b3"))); // expected-error {{alias must point to a defined variable or function}} |
| extern int b3; |
| |
| extern int a4 __attribute__((alias("b4"))); // expected-error {{alias must point to a defined variable or function}} |
| typedef int b4; |
| |
| void test2_bar() {} |
| void test2_foo() __attribute__((weak, alias("test2_bar"))); |
| 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}} |
| |
| void test3_bar() { } |
| void test3_foo() __attribute__((section("test"))); // expected-warning {{alias will not be in section 'test' but in the same section as the aliasee}} |
| void test3_foo() __attribute__((alias("test3_bar"))); |
| |
| __attribute__((section("test"))) void test4_bar() { } |
| void test4_foo() __attribute__((section("test"))); |
| void test4_foo() __attribute__((alias("test4_bar"))); |
| |
| int test5_bar = 0; |
| extern struct incomplete_type test5_foo __attribute__((alias("test5_bar"))); |