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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O1 -fdump-tree-optimized" } */
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3
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4 /* Check that cprop works for assignments to array elements and structs. */
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5
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6 struct foo {
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7 int a;
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8 };
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9
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10 extern void link_error (void);
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11
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12 void
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13 test9 (struct foo f)
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14 {
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15 f.a = 0;
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16 if (f.a != 0)
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17 link_error ();
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18 }
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19
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20 void
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21 test99 (struct foo *f)
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22 {
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23 f->a = 0;
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24 if (f->a != 0)
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25 link_error ();
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26 }
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27
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28 void
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29 test999 (int *arr)
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30 {
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31 *arr = 0;
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32 if (*arr != 0)
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33 link_error ();
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34 }
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35
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36 void
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37 test9999 (int *arr)
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38 {
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39 arr[13] = 0;
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40 if (arr[13] != 0)
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41 link_error ();
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42 }
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43
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44 void
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45 test99999 (int *arr, int j)
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46 {
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47 arr[j] = 0;
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48 if (arr[j] != 0)
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49 link_error ();
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50 }
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51
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52 /* There should be no link_error calls, if there is any, the
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53 optimization has failed */
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54 /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
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