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150
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1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-unreachable-code %s
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2
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3 typedef __attribute__(( ext_vector_type(4) )) int int4;
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4
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5 static int4 test1() {
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6 int4 vec, rv;
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7
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8 // comparisons to self...
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9 return vec == vec; // expected-warning{{self-comparison always evaluates to true}}
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10 return vec != vec; // expected-warning{{self-comparison always evaluates to false}}
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11 return vec < vec; // expected-warning{{self-comparison always evaluates to false}}
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12 return vec <= vec; // expected-warning{{self-comparison always evaluates to true}}
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13 return vec > vec; // expected-warning{{self-comparison always evaluates to false}}
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14 return vec >= vec; // expected-warning{{self-comparison always evaluates to true}}
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15 }
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16
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17
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18 typedef __attribute__(( ext_vector_type(4) )) float float4;
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19
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20 static int4 test2() {
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21 float4 vec, rv;
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22
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23 // comparisons to self. no warning, they're floats
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24 return vec == vec; // no-warning
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25 return vec != vec; // no-warning
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26 return vec < vec; // no-warning
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27 return vec <= vec; // no-warning
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28 return vec > vec; // no-warning
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29 return vec >= vec; // no-warning
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30 }
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207
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31
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32 static int4 test3() {
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33 int4 i0, i1;
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34
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35 return i0 > i1 ? i0 : i1; // no-error
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36 return i0 ? i0 : i1; // no-error
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37 }
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38
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39 static float4 test4() {
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40 float4 f0, f1;
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41
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42 // This would actually generate implicit casting warning
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43 // under Weverything flag but we don't really care here
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44 return f0 > f1 ? f0 : f1; // no-error
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45 return f0 ? f0 : f1; // expected-error {{used type 'float4' (vector of 4 'float' values) where floating point type is not allowed}}
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46 }
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