1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fsyntax-only -Wuninitialized -fsyntax-only %s -verify
2*f4a2713aSLionel Sambuc
3*f4a2713aSLionel Sambuc typedef int __v4si __attribute__((__vector_size__(16)));
4*f4a2713aSLionel Sambuc typedef float __m128 __attribute__((__vector_size__(16)));
5*f4a2713aSLionel Sambuc __m128 _mm_xor_ps(__m128 a, __m128 b);
6*f4a2713aSLionel Sambuc __m128 _mm_loadu_ps(const float *p);
7*f4a2713aSLionel Sambuc
test1(float * input)8*f4a2713aSLionel Sambuc void test1(float *input) {
9*f4a2713aSLionel Sambuc __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}}
10*f4a2713aSLionel Sambuc x = _mm_xor_ps(x,x); // expected-warning {{variable 'x' is uninitialized when used here}}
11*f4a2713aSLionel Sambuc y = _mm_xor_ps(y,y); // expected-warning {{variable 'y' is uninitialized when used here}}
12*f4a2713aSLionel Sambuc z = _mm_xor_ps(z,z); // expected-warning {{variable 'z' is uninitialized when used here}}
13*f4a2713aSLionel Sambuc w = _mm_xor_ps(w,w); // expected-warning {{variable 'w' is uninitialized when used here}}
14*f4a2713aSLionel Sambuc X = _mm_loadu_ps(&input[0]);
15*f4a2713aSLionel Sambuc X = _mm_xor_ps(X,X); // no-warning
16*f4a2713aSLionel Sambuc }
17*f4a2713aSLionel Sambuc
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