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annotate gcc/testsuite/gcc.dg/pr77975.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* PR tree-optimization/77975 */
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2 /* { dg-do compile } */
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3 /* { dg-options "-O2 -fdump-tree-ivcanon-details" } */
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4
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5 /* { dg-final { scan-tree-dump-times "Proved that loop 1 iterates 1 times using brute force" 1 "ivcanon" } } */
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6
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7 unsigned int
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8 foo (unsigned int *b)
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9 {
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10 unsigned int a = 3;
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11 while (a)
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12 {
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13 a >>= 1;
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14 *b += a;
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15 }
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16 return a;
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17 }
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18
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19 /* { dg-final { scan-tree-dump-times "Proved that loop 1 iterates 2 times using brute force" 1 "ivcanon" } } */
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20
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21 unsigned int
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22 bar (unsigned int *b)
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23 {
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24 unsigned int a = 7;
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25 while (a)
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26 {
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27 a >>= 1;
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28 *b += a;
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29 }
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30 return a;
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31 }