view gcc/testsuite/gcc.dg/20031102-1.c @ 131:84e7813d76e9

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

/* PR optimization/12799 */
/* Origin: Pratap Subrahmanyam <pratap@vmware.com> */

/* { dg-do run } */
/* { dg-options "-O2" } */
/* { dg-options "-O2 -march=i686" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */

/* Verify that reload_cse_move2add doesn't add unexpected CLOBBERs. */

extern void abort(void);

int loo = 1;

__inline__ char InlineFunc(void)
{
  return __builtin_expect(!!(loo == 1), 1);
}

int FooBar(void)
{
  int i;
  int var1 = InlineFunc() ? 2046 : 1023;
  int var2 = InlineFunc() ? 512 : 1024;

  for (i = 0; i < var1; i++)
    ;

  if (InlineFunc() && var2 != 512)
    abort();

  return 0;
}

int main(void)
{
  return FooBar();
}