forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			57 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -Wunused-function -Wunneeded-internal-declaration -verify %s
 | |
| // RUN: %clang_cc1 -fsyntax-only -verify -Wunused %s
 | |
| // RUN: %clang_cc1 -fsyntax-only -verify -Wall %s
 | |
| 
 | |
| void foo() {}
 | |
| static void f2() {} 
 | |
| static void f1() {f2();} // expected-warning{{unused}}
 | |
| 
 | |
| static int f0() { return 17; } // expected-warning{{not needed and will not be emitted}}
 | |
| int x = sizeof(f0());
 | |
| 
 | |
| static void f3();
 | |
| extern void f3() { } // expected-warning{{unused}}
 | |
| 
 | |
| // FIXME: This will trigger a warning when it should not.
 | |
| // Update once PR6281 is fixed.
 | |
| //inline static void f4();
 | |
| //void f4() { }
 | |
| 
 | |
| static void __attribute__((used)) f5() {}
 | |
| static void f6();
 | |
| static void __attribute__((used)) f6();
 | |
| static void f6() {};
 | |
| 
 | |
| 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;
 | |
| }
 |