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annotate gcc/testsuite/gcc.dg/tree-ssa/ldist-9.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:
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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2 -ftree-loop-distribution -fdump-tree-ldist-all" } */
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3
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4 int loop1 (int k)
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5 {
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6 unsigned int i;
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7 int a[1000], b[1000];
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8
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9 for (i = 1; i < (1000-1); i ++) {
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10 a[i] = a[i+1] + a[i-1]; /* S1 */
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11 b[i] = a[i-1] + k; /* S2 */
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12 }
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13 /*
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14 Dependences:
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15 S1->S2 (flow, level 1)
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16 S1->S1 (anti, level 1)
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17 S1->S1 (flow, level 1)
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18
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19 One partition, because of the cost of cache misses.
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20 */
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21
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22 return a[1000-2] + b[1000-1];
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23 }
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24
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25 /* { dg-final { scan-tree-dump-times "distributed: split to 2 loops" 0 "ldist" } } */