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