view gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-14.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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line source

/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-fre1 -fdump-tree-optimized" } */

int i;

void foo (void);
void bar (void)
{
  int j;
  i = 0;
  for (j = 0; j < 10000; j++)
    if (i)
      foo ();
}

/* Everything except for the "i = 0" assignment should get removed.  Value
   numbering already figures out the if in the loop is never true.  */
/* { dg-final { scan-tree-dump-times "foo" 0 "fre1" } } */
/* { dg-final { scan-tree-dump-times "if" 0 "optimized" } } */