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111
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1 // { dg-do run }
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2
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3 #define vector __attribute__((vector_size(16)))
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4
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5 extern "C" void abort();
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6
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7 union U {
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8 float f[4];
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9 vector float v;
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10 } data;
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11
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12 class Star
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13 {
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14 public:
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15 static vector float foo();
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16
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17 Star()
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18 {
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19 data.f[0] = 1.0; data.f[1] = 2.0; data.f[2] = 3.0, data.f[3] = 4.0;
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20 }
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21
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22 private:
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23 friend vector float fTest();
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24 };
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25
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26 vector float Star::foo()
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27 {
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28 return data.v;
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29 }
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30
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31 vector float fTest()
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32 {
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33 vector float vf = Star::foo();
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34 return vf;
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35 }
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36
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37 int main() {
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38
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39 U data;
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40 Star s;
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41
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42
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43 data.v = fTest();
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44 for (int i=0 ; i < 4; i++)
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45 if (data.f[i] != (float)(i+1))
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46 abort();
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47 return 0;
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48 }
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49
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50 /* Ignore a warning that is irrelevant to the purpose of this test. */
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51 /* { dg-prune-output ".*GCC vector returned by reference.*" } */
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52 /* { dg-prune-output "changes the ABI" } */
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