forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			90 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify -Wunused -Wunused-member-function %s
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| 
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| static void f1(); // expected-warning{{unused}}
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| 
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| namespace {
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|   void f2();  // expected-warning{{unused}}
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| 
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|   void f3() { }  // expected-warning{{unused}}
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| 
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|   struct S {
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|     void m1() { }  // expected-warning{{unused}}
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|     void m2();  // expected-warning{{unused}}
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|     void m3();
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|     S(const S&);
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|     void operator=(const S&);
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|   };
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| 
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|   template <typename T>
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|   struct TS {
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|     void m();
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|   };
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|   template <> void TS<int>::m() { }  // expected-warning{{unused}}
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| 
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|   template <typename T>
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|   void tf() { }
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|   template <> void tf<int>() { }  // expected-warning{{unused}}
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|   
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|   struct VS {
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|     virtual void vm() { }
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|   };
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|   
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|   struct SVS : public VS {
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|     void vm() { }
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|   };
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| }
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| 
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| void S::m3() { }  // expected-warning{{unused}}
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| 
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| static inline void f4() { }
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| const unsigned int cx = 0;
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| 
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| static int x1;  // expected-warning{{unused}}
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| 
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| namespace {
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|   int x2;  // expected-warning{{unused}}
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|   
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|   struct S2 {
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|     static int x;  // expected-warning{{unused}}
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|   };
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| 
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|   template <typename T>
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|   struct TS2 {
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|     static int x;
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|   };
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|   template <> int TS2<int>::x;  // expected-warning{{unused}}
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| }
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| 
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| namespace PR8841 {
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|   // Ensure that friends of class templates are considered to have a dependent
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|   // context and not marked unused.
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|   namespace {
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|     template <typename T> struct X {
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|       friend bool operator==(const X&, const X&) { return false; }
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|     };
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|   }
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|   template <typename T> void template_test(X<T> x) {
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|     (void)(x == x);
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|   }
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|   void test() {
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|     X<int> x;
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|     template_test(x);
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|   }
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| }
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| 
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| namespace test4 {
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|   namespace { struct A {}; }
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| 
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|   void test(A a); // expected-warning {{unused function}}
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|   extern "C" void test4(A a);
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| }
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| 
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| namespace rdar8733476 {
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|   static void foo() { } // expected-warning {{not needed and will not be emitted}}
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| 
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|   template <int>
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|   void bar() {
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|     foo();
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|   }
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| }
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