view gcc/testsuite/gcc.dg/tree-prof/val-prof-3.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 1830386684a0
children
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/* { dg-options "-O2 -fdump-tree-optimized -fdump-ipa-profile-optimized" } */
unsigned int a[1000];
unsigned int b = 257;
unsigned int c = 1023;
unsigned int d = 19;
int
main ()
{
  int i;
  unsigned int n;
  for (i = 0; i < 1000; i++)
    {
	    a[i]=18;
    }
  for (i = 0; i < 1000; i++)
    {
      if (i % 2)
	n = b;
      else if (i % 3)
	n = c;
      else
	n = d;
      a[i] %= n;
    }
  return 0;
}
/* autofdo does not do value profiling so far */
/* { dg-final-use-not-autofdo { scan-ipa-dump "Transformation done: mod subtract" "profile" } } */
/* This is part of code checking that n is greater than the divisor so we are sure that it
   didn't get optimized out.  */
/* { dg-final-use-not-autofdo { scan-tree-dump "if \\(_\[0-9\]* \\< n_\[0-9\]*" "optimized"} } */
/* { dg-final-use { scan-tree-dump-not "Invalid sum" "optimized"} } */