1// RUN: %clang_cc1 -fsyntax-only -Wused-but-marked-unused -Wunused-function -Wunneeded-internal-declaration -verify %s 2// RUN: %clang_cc1 -fsyntax-only -verify -Wunused %s 3// RUN: %clang_cc1 -fsyntax-only -verify -Wall -Wno-infinite-recursion %s 4 5void foo() {} 6static void f2() {} 7static void f1() {f2();} // expected-warning{{unused}} 8 9static int f0() { return 17; } // expected-warning{{not needed and will not be emitted}} 10int x = sizeof(f0()); 11 12static void f3(); 13extern void f3() { } // expected-warning{{unused}} 14 15inline static void f4(); 16void f4() { } // expected-warning{{unused}} 17 18static void __attribute__((used)) f5() {} 19static void f6(); 20static void __attribute__((used)) f6(); 21static void f6() {}; 22 23static void f7(void); 24void f8(void(*a0)(void)); 25void f9(void) { f8(f7); } 26static void f7(void) {} 27 28__attribute__((unused)) static void bar(void); 29void bar(void) { } 30 31__attribute__((constructor)) static void bar2(void); 32void bar2(void) { } 33 34__attribute__((destructor)) static void bar3(void); 35void bar3(void) { } 36 37static void f10(void); // expected-warning{{unused}} 38static void f10(void); 39 40static void f11(void); 41static void f11(void) { } // expected-warning{{unused}} 42 43static void f12(void) { } // expected-warning{{unused}} 44static void f12(void); 45 46// PR7923 47static void unused(void) { unused(); } // expected-warning{{not needed and will not be emitted}} 48 49// rdar://8728293 50static void cleanupMalloc(char * const * const allocation) { } 51void f13(void) { 52 char * const __attribute__((cleanup(cleanupMalloc))) a; 53 (void)a; 54} 55 56// rdar://12233989 57extern void a(void) __attribute__((unused)); 58extern void b(void) __attribute__((unused)); 59 60void b(void) 61{ 62} 63void a(void) 64{ 65 b(); 66} 67