| // RUN: %clang_cc1 -fsyntax-only -Wused-but-marked-unused -Wunused-function -Wunneeded-internal-declaration -verify %s |
| // RUN: %clang_cc1 -fsyntax-only -verify -Wunused %s |
| // RUN: %clang_cc1 -fsyntax-only -verify -Wall -Wno-infinite-recursion %s |
| |
| void foo(void) {} |
| static void f2(void) {} |
| static void f1(void) {f2();} // expected-warning{{unused}} |
| |
| static int f0(void) { return 17; } // expected-warning{{not needed and will not be emitted}} |
| int x = sizeof(f0()); |
| |
| static void f3(void); |
| extern void f3(void) { } // expected-warning{{unused}} |
| |
| inline static void f4(void); |
| void f4(void) { } // expected-warning{{unused}} |
| |
| static void __attribute__((used)) f5(void) {} |
| static void f6(void); |
| static void __attribute__((used)) f6(void); |
| static void f6(void) {}; |
| |
| static void f7(void); |
| void f8(void(*a0)(void)); |
| void f9(void) { f8(f7); } |
| static void f7(void) {} |
| |
| __attribute__((unused)) static void bar(void); |
| void bar(void) { } |
| |
| __attribute__((constructor)) static void bar2(void); |
| void bar2(void) { } |
| |
| __attribute__((destructor)) static void bar3(void); |
| void bar3(void) { } |
| |
| static void f10(void); // expected-warning{{unused}} |
| static void f10(void); |
| |
| static void f11(void); |
| static void f11(void) { } // expected-warning{{unused}} |
| |
| static void f12(void) { } // expected-warning{{unused}} |
| static void f12(void); |
| |
| // PR7923 |
| static void unused(void) { unused(); } // expected-warning{{not needed and will not be emitted}} |
| |
| // rdar://8728293 |
| static void cleanupMalloc(char * const * const allocation) { } |
| void f13(void) { |
| char * const __attribute__((cleanup(cleanupMalloc))) a; |
| (void)a; |
| } |
| |
| // rdar://12233989 |
| extern void a(void) __attribute__((unused)); |
| extern void b(void) __attribute__((unused)); |
| |
| void b(void) |
| { |
| } |
| void a(void) |
| { |
| b(); |
| } |