gcc/testsuite/gcc.dg/tree-ssa/ifc-pr69489-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-ifcvt-stats-blocks-details" { target *-*-* } } */
   3
   4 void foo (int a[], int b[])
   5 {
   6   int i;
   7   for (i = 0; i < 100; i++)
   8     {
   9       if (a[i] == 0)
  10         a[i] = b[i]*4;
  11       else
  12         a[i] = b[i]*3;
  13     }
  14 }
  15
  16 /* { dg-final { scan-tree-dump-times "Applying if-conversion" 1 "ifcvt" } } */
  17
  18 /* We insert into code
  19    if (LOOP_VECTORIZED (...))
  20    which is folded by vectorizer.  Both outgoing edges must have probability
  21    100% so the resulting profile match after folding.  */
  22 /* { dg-final { scan-tree-dump-times "Invalid sum of outgoing probabilities 200.0" 1 "ifcvt" } } */
  23 /* { dg-final { scan-tree-dump-times "Invalid sum of incoming counts" 1 "ifcvt" } } */