Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-6.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
111
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1 /* { dg-do run } */
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2 /* { dg-options "-O2 -fno-inline -fpredictive-commoning -fdump-tree-pcom-details" } */
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3
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4 int arr[105] = {2, 3, 5, 7, 11, 13, 17, 19};
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5 int result0[10] = {2, 3, 5, 7, 11, 13, 17, 19};
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6 int result1[10] = {0, -1, -2, -3, -4, -5, 17, 19};
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7 int result2[10] = {0, 0, -1, -2, -3, -4, -5, 19};
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8 int result3[10] = {0, 0, 0, -1, -2, -3, -4, -5};
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9 int result4[10] = {0, 0, 0, 0, -1, -2, -3, -4, -5};
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10 int result100[105] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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11 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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12 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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13 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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14 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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15 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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16 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, -2, -3, -4, -5};
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17
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18 extern void abort (void);
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19
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20 void __attribute__((noinline)) foo (int *a, int len)
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21 {
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22 int i;
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23 for (i = 0; i < len; i++)
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24 {
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25 a[i] = 0;
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26 a[i + 1] = -1;
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27 a[i + 2] = -2;
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28 a[i + 3] = -3;
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29 a[i + 4] = -4;
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30 a[i + 5] = -5;
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31 }
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32 }
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33
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34 void check (int *a, int *res, int len)
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35 {
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36 int i;
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37
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38 for (i = 0; i < len; i++)
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39 if (a[i] != res[i])
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40 abort ();
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41 }
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42
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43 int main (void)
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44 {
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45 foo (arr, 0);
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46 check (arr, result0, 10);
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47
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48 foo (arr, 1);
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49 check (arr, result1, 10);
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50
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51 foo (arr, 2);
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52 check (arr, result2, 10);
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53
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54 foo (arr, 3);
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55 check (arr, result3, 10);
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56
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57 foo (arr, 4);
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58 check (arr, result4, 10);
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59
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60 foo (arr, 100);
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61 check (arr, result100, 105);
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62
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63 return 0;
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64 }
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65 /* { dg-final { scan-tree-dump "Store-stores chain" "pcom"} } */