gcc/testsuite/gcc.dg/graphite/pr35356-3.c

   1 /* { dg-options "-O2 -fgraphite-identity -fdump-tree-graphite-all" } */
   2
   3
   4 int winner, numf2s;
   5 double **tds;
   6 double d, tsum;
   7
   8 typedef struct {
   9   double y;
  10 } xyz;
  11
  12 xyz *Y;
  13 int ti;
  14
  15 double
  16 match (void)
  17 {
  18   int tj, tresult;
  19
  20   for (tj = 0; tj < numf2s; tj++)
  21     if (tj == winner
  22         && Y[tj].y > 0)
  23       tsum += tds[ti][tj] * d;
  24
  25   return tsum;
  26 }
  27
  28 /* There should be no loops generated for this testcase, instead we
  29    should generate the following:
  30
  31    | if (winner >= 0 && winner < numf2s && Y[winner].y > 0)
  32    |   tsum += tds[ti][winner] * d;
  33
  34    For the moment this is XFAILed as this loop is not detected as a
  35    SCoP by graphite: we depend on data in one of the conditions,
  36    "Y[winner].y > 0".  This could be fixed when we will use predicates
  37    for such cases.  */
  38
  39 /* { dg-final { scan-tree-dump-times "loop_1" 0 "graphite" { xfail *-*-* } } } */
  40 /* { dg-final { scan-tree-dump "number of SCoPs: 0" "graphite" } } */