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