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annotate gcc/testsuite/gcc.dg/tree-ssa/vrp78.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 link } */
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2 /* { dg-options "-O2" } */
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3
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4 /* Based on f3 from vrp63.c, but with switch instead of if-chain. */
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5
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6 extern void link_error (void);
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7
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8 void
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9 f3 (int s)
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10 {
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11 if (s >> 3 == -2)
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12 /* s in range [ -16, -9]. */
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13 ;
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14 else
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15 {
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16 /* s in range ~[-16, -9], so none of the case labels can be taken. */
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17 switch (s)
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18 {
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19 case -16:
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20 case -12:
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21 case -9:
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22 link_error ();
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23 break;
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24 default:
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25 break;
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26 }
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27 }
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28 }
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29
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30 int
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31 main ()
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32 {
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33 return 0;
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34 }