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Diffstat (limited to 'test/Sema/uninit-variables-vectors.c')
| -rw-r--r-- | test/Sema/uninit-variables-vectors.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Sema/uninit-variables-vectors.c b/test/Sema/uninit-variables-vectors.c new file mode 100644 index 0000000000..7197fb6327 --- /dev/null +++ b/test/Sema/uninit-variables-vectors.c @@ -0,0 +1,14 @@ +// RUN: %clang_cc1 -fsyntax-only -Wuninitialized -fsyntax-only %s -verify + +#include <xmmintrin.h> + +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 possibly uninitialized when used here}} + y = _mm_xor_ps(y,y); // expected-warning {{variable 'y' is possibly uninitialized when used here}} + z = _mm_xor_ps(z,z); // expected-warning {{variable 'z' is possibly uninitialized when used here}} + w = _mm_xor_ps(w,w); // expected-warning {{variable 'w' is possibly uninitialized when used here}} + X = _mm_loadu_ps(&input[0]); + X = _mm_xor_ps(X,X); // no-warning +} + |