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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2 -w -fdump-tree-dom2-details" } */
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3
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4 typedef struct rtx_def *rtx;
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5 struct rtx_def
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6 {
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7 int code;
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8 rtx rt_rtx;
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9 };
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10 rtx
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11 try_combine (rtx i1, rtx newpat)
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12 {
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13 rtx temp;
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14 if (i1 && (temp = ((((((newpat->rt_rtx, ((((temp)->code) == 42)))))))))
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15 && ((temp =
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16 (((((((((((newpat)->rt_rtx),
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17 ((((temp)->code) == 42) && arf ())))))))))))))
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18 ;
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19 else if (i1 && foo ());
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20 }
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21
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131
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22 /* There should be four tests against i1. One from the hash table
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23 dumps, one from the EVRP analyzer one from EVRP evaluation and one
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24 in the code itself. */
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25 /* { dg-final { scan-tree-dump-times "if .i1_" 4 "dom2"} } */
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111
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26
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27 /* There should be no actual jump threads realized by DOM. The
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28 legitimize jump threads are handled in VRP and those discovered
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29 by DOM are subsumed by collapsing a conditional. */
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30 /* { dg-final { scan-tree-dump-not "Threaded" "dom2"} } */
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