gcc/testsuite/gcc.dg/tree-ssa/ifc-8.c

   1
   2 /* { dg-do compile } */
   3 /* { dg-options "-Ofast -fdump-tree-ifcvt-details-blocks -ftree-loop-if-convert-stores" } */
   4 /* { dg-require-visibility "" } */
   5
   6 #define LEN 4096
   7  __attribute__((visibility("hidden"), aligned (32))) float array[LEN] = {};
   8
   9 void test ()
  10 {
  11   for (int i = 0; i < LEN; i++)
  12     {
  13       if (array[i] > (float)0.)
  14         array[i] = 3;
  15     }
  16 }
  17
  18 /* { dg-final { scan-tree-dump-times "Applying if-conversion" 1 "ifcvt" } } */
  19
  20 /* We insert into code
  21    if (LOOP_VECTORIZED (...))
  22    which is folded by vectorizer.  Both outgoing edges must have probability
  23    100% so the resulting profile match after folding.  */
  24 /* { dg-final { scan-tree-dump-times "Invalid sum of outgoing probabilities 200.0" 1 "ifcvt" } } */
  25 /* { dg-final { scan-tree-dump-times "Invalid sum of incoming counts" 1 "ifcvt" } } */