Mercurial > hg > CbC > CbC_gcc

view gcc/testsuite/gcc.dg/predict-6.c @ 145:1830386684a0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
line wrap: on
line source

/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-profile_estimate" } */

extern int global;

int bar (int);

void foo (int base, int bound)
{
  int i, ret = 0;
  for (i = base; i <= bound; i++)
    {
      if (i <= base)
	global += bar (i);
      if (i < base + 2)
	global += bar (i);
      if (i <= base + 3)
	global += bar (i);
      if (i - 1 < base)
	global += bar (i);
    }
}

/* { dg-final { scan-tree-dump-times "guess loop iv compare heuristics of edge\[^:\]*: 36.00%" 4 "profile_estimate"} } */