warn-unused-function.c revision c777221d22e2687938c061de6698ddcccbe00fdc 
1// RUN: %clang_cc1 -fsyntax-only -Wunused-function -verify %s
2
3void foo() {}
4static void f2() {}
5static void f1() {f2();} // expected-warning{{unused}}
6
7static int f0() { return 17; } // expected-warning{{unused}}
8int x = sizeof(f0());
9
10static void f3();
11extern void f3() { } // expected-warning{{unused}}
12
13// FIXME: This will trigger a warning when it should not.
14// Update once PR6281 is fixed.
15//inline static void f4();
16//void f4() { }
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