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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2 -fdump-tree-dom2-details" } */
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3
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4 void foo();
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5 void bla();
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6 void bar();
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7
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8 void dont_thread_1 (void)
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9 {
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10 int i = 0;
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11 int first = 1;
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12
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13 do
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14 {
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15 if (first)
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16 foo ();
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17 else
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18 bar ();
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19
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20 first = 0;
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21 bla ();
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22 } while (i++ < 100);
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23 }
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24
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25 /* This one can only be threaded if both paths to the
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26 conditional inside the loop are threaded at the same
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27 time. Else we potentially end up with irreducible
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28 loops. */
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29 /* { dg-final { scan-tree-dump-not "IRREDUCIBLE_LOOP" "dom2" } } */
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