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111
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1 /* { dg-require-effective-target vect_int } */
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2
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3 #include "tree-vect.h"
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4
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5 /* Statement used outside the loop, not used inside the loop. SCEV cannot
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6 hoist the stmt. */
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7 __attribute__ ((noinline)) int
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8 liveloop (int n, int *x, int *y)
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9 {
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10 int i;
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11 int ret;
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12
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13 for (i = 0; i < n; ++i)
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14 {
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15 ret = x[i] + 5;
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16 y[i] = ret;
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17 }
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18 return ret;
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19 }
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20
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21 #define MAX 273
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22
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23 int
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24 main (void)
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25 {
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26 int a[MAX];
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27 int b[MAX];
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28 int i;
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29
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30 check_vect ();
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31
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32 for (i=0; i<MAX; i++)
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33 {
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34 __asm__ volatile ("");
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35 a[i] = i;
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36 }
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37
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38 int ret = liveloop (MAX, a, b);
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39
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40 if (ret != MAX + 4)
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41 abort ();
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42
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43 for (i=0; i<MAX; i++)
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44 {
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45 __asm__ volatile ("");
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46 if (b[i] != i+5)
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47 abort ();
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48 }
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49 }
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50
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51 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
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52 /* { dg-final { scan-tree-dump-times "vec_stmt_relevant_p: stmt live but not relevant" 1 "vect" } } */
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