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annotate gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-61.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children 1830386684a0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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131
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1 /* { dg-do link } */
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2 /* { dg-options "-O -fdump-tree-fre1-details" } */
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3
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4 void link_error (void);
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5
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6 void test1 (int *p, int *q)
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7 {
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8 *p = 1;
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9 *q = 1;
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10 if (*p != 1)
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11 link_error ();
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12 }
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13
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14 void test2 (int *p, int *q, int t)
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15 {
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16 *p = t;
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17 *q = t;
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18 if (*p != t)
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19 link_error ();
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20 }
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21
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22 void test3 (int *q, int *p)
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23 {
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24 int tem = *p;
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25 *q = tem;
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26 if (*p != tem)
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27 link_error ();
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28 }
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29
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30 char a[4];
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31 struct A { char a[4]; };
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32 void test4 (struct A *p)
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33 {
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34 a[0] = p->a[0];
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35 a[0] = p->a[0];
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36 a[0] = p->a[0];
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37 }
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38
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39 int main() { return 0; }
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40
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41 /* { dg-final { scan-tree-dump-times "Replaced \\\*p" 3 "fre1" } } */
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42 /* { dg-final { scan-tree-dump-times "Replaced p_.\\(D\\)->" 2 "fre1" } } */
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43 /* { dg-final { scan-tree-dump-times "Deleted redundant store a\\\[0\\\]" 2 "fre1" } } */