forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			18 lines
		
	
	
		
			988 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			988 B
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fsyntax-only -Wuninitialized -fsyntax-only %s -verify
 | |
| 
 | |
| typedef int __v4si __attribute__((__vector_size__(16)));
 | |
| typedef float __m128 __attribute__((__vector_size__(16)));
 | |
| __m128 _mm_xor_ps(__m128 a, __m128 b);
 | |
| __m128 _mm_loadu_ps(const float *p);
 | |
| 
 | |
| void test1(float *input) {
 | |
|   __m128 x, y, z, w, X; // expected-note {{variable 'x' is declared here}} expected-note {{variable 'y' is declared here}} expected-note {{variable 'w' is declared here}}  expected-note {{variable 'z' is declared here}}
 | |
|   x = _mm_xor_ps(x,x); // expected-warning {{variable 'x' is uninitialized when used here}}
 | |
|   y = _mm_xor_ps(y,y); // expected-warning {{variable 'y' is uninitialized when used here}}
 | |
|   z = _mm_xor_ps(z,z); // expected-warning {{variable 'z' is uninitialized when used here}}
 | |
|   w = _mm_xor_ps(w,w); // expected-warning {{variable 'w' is uninitialized when used here}}
 | |
|   X = _mm_loadu_ps(&input[0]);
 | |
|   X = _mm_xor_ps(X,X); // no-warning
 | |
| }
 | |
| 
 |