view gcc/testsuite/gcc.dg/tree-ssa/ifc-pr69489-1.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 84e7813d76e9
children
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/* { dg-do compile } */
/* { dg-options "-O2 -ftree-vectorize -fdump-tree-ifcvt-stats-blocks-details" { target *-*-* } } */

void foo (int a[], int b[])
{
  int i;
  for (i = 0; i < 100; i++)
    {
      if (a[i] == 0)
	a[i] = b[i]*4;
      else
	a[i] = b[i]*3;
    }
}

/* { dg-final { scan-tree-dump-times "Applying if-conversion" 1 "ifcvt" } } */

/* We insert into code
   if (LOOP_VECTORIZED (...))
   which is folded by vectorizer.  Both outgoing edges must have probability
   100% so the resulting profile match after folding.  */
/* { dg-final { scan-tree-dump-times "Invalid sum of outgoing probabilities 200.0" 1 "ifcvt" } } */
/* { dg-final { scan-tree-dump-times "Invalid sum of incoming counts" 1 "ifcvt" } } */