| // RUN: %clang_cc1 -triple x86_64-windows -fsyntax-only -verify %s |
| // RUN: %clang_cc1 -triple x86_64-linux -fsyntax-only -verify -emit-llvm-only -DCHECK_ALIASES %s |
| // RUN: %clang_cc1 -triple x86_64-linux -fsyntax-only -verify -emit-llvm-only %s |
| |
| #if defined(_WIN32) |
| void foo() {} |
| void bar() __attribute__((ifunc("foo"))); |
| //expected-warning@-1 {{'ifunc' attribute ignored}} |
| |
| #else |
| #if defined(CHECK_ALIASES) |
| void* f1_ifunc(); |
| void f1() __attribute__((ifunc("f1_ifunc"))); |
| //expected-error@-1 {{ifunc must point to a defined function}} |
| |
| void* f2_a() __attribute__((ifunc("f2_b"))); |
| //expected-error@-1 {{ifunc definition is part of a cycle}} |
| void* f2_b() __attribute__((ifunc("f2_a"))); |
| //expected-error@-1 {{ifunc definition is part of a cycle}} |
| |
| void* f3_a() __attribute__((ifunc("f3_b"))); |
| //expected-warning@-1 {{ifunc will always resolve to f3_c even if weak definition of f3_b is overridden}} |
| void* f3_b() __attribute__((weak, alias("f3_c"))); |
| void* f3_c() { return 0; } |
| |
| void f4_ifunc() {} |
| void f4() __attribute__((ifunc("f4_ifunc"))); |
| //expected-error@-1 {{ifunc resolver function must return a pointer}} |
| |
| void* f5_ifunc(int i) { return 0; } |
| void f5() __attribute__((ifunc("f5_ifunc"))); |
| //expected-error@-1 {{ifunc resolver function must have no parameters}} |
| |
| #else |
| void f1a() __asm("f1"); |
| void f1a() {} |
| //expected-note@-1 {{previous definition is here}} |
| void f1() __attribute__((ifunc("f1_ifunc"))); |
| //expected-error@-1 {{definition with same mangled name as another definition}} |
| void* f1_ifunc() { return 0; } |
| |
| #endif |
| #endif |
