| Ted Kremenek | c9dcb45 | 2011-03-17 04:16:45 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fsyntax-only -Wuninitialized -fsyntax-only %s -verify |
| Ted Kremenek | 1cbc315 | 2011-03-17 03:06:11 +0000 | [diff] [blame] | 2 | |
| Ted Kremenek | c9dcb45 | 2011-03-17 04:16:45 +0000 | [diff] [blame] | 3 | typedef int __v4si __attribute__((__vector_size__(16))); |
| 4 | typedef float __m128 __attribute__((__vector_size__(16))); |
| 5 | __m128 _mm_xor_ps(__m128 a, __m128 b); |
| 6 | __m128 _mm_loadu_ps(const float *p); |
| Ted Kremenek | 1cbc315 | 2011-03-17 03:06:11 +0000 | [diff] [blame] | 7 | |
| 8 | void test1(float *input) { |
| 9 | __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}} |
| Chandler Carruth | f04eb2d | 2011-04-08 06:33:38 +0000 | [diff] [blame] | 10 | x = _mm_xor_ps(x,x); // expected-warning {{variable 'x' is uninitialized when used here}} |
| 11 | y = _mm_xor_ps(y,y); // expected-warning {{variable 'y' is uninitialized when used here}} |
| 12 | z = _mm_xor_ps(z,z); // expected-warning {{variable 'z' is uninitialized when used here}} |
| 13 | w = _mm_xor_ps(w,w); // expected-warning {{variable 'w' is uninitialized when used here}} |
| Ted Kremenek | 1cbc315 | 2011-03-17 03:06:11 +0000 | [diff] [blame] | 14 | X = _mm_loadu_ps(&input[0]); |
| 15 | X = _mm_xor_ps(X,X); // no-warning |
| 16 | } |
| 17 | |