forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			23 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify %s
 | |
| 
 | |
| #if __has_feature(__builtin_add_overflow)
 | |
| #warning defined as expected
 | |
| // expected-warning@-1 {{defined as expected}}
 | |
| #endif
 | |
| 
 | |
| void test(void) {
 | |
|   unsigned r;
 | |
|   const char * c;
 | |
|   float f;
 | |
|   const unsigned q;
 | |
| 
 | |
|   __builtin_add_overflow();  // expected-error {{too few arguments to function call, expected 3, have 0}}
 | |
|   __builtin_add_overflow(1, 1, 1, 1);  // expected-error {{too many arguments to function call, expected 3, have 4}}
 | |
| 
 | |
|   __builtin_add_overflow(c, 1, &r);  // expected-error {{operand argument to overflow builtin must be an integer ('const char *' invalid)}}
 | |
|   __builtin_add_overflow(1, c, &r);  // expected-error {{operand argument to overflow builtin must be an integer ('const char *' invalid)}}
 | |
|   __builtin_add_overflow(1, 1, 3);  // expected-error {{result argument to overflow builtin must be a pointer to a non-const integer ('int' invalid)}}
 | |
|   __builtin_add_overflow(1, 1, &f);  // expected-error {{result argument to overflow builtin must be a pointer to a non-const integer ('float *' invalid)}}
 | |
|   __builtin_add_overflow(1, 1, &q);  // expected-error {{result argument to overflow builtin must be a pointer to a non-const integer ('const unsigned int *' invalid)}}
 | |
| }
 |