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-rw-r--r--clang/test/Sema/uninit-variables-vectors.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/clang/test/Sema/uninit-variables-vectors.c b/clang/test/Sema/uninit-variables-vectors.c
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+++ b/clang/test/Sema/uninit-variables-vectors.c
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+// 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
+}
+