blob: 47c048fdc62e905e95b32ab9161f3860da3d9362 [file] [log] [blame]
/* PR rtl-optimization/20017
After CSE/GCSE folds a switch statement to an unconditional jump,
cfg_cleanup did not remove a dead jump table, confusing the CFG
layout code later on. */
/* { dg-do compile } */
/* { dg-options "-O1" } */
/* { dg-options "-O1 -march=i386" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
int
foo (int *buf, int *p)
{
int result;
const int *tmp;
if (*buf)
return 1;
result = 2;
*buf = 2;
tmp = buf;
switch (*tmp)
{
case 3:
case 4:
case 6:
case 14:
return 1;
case 0:
result = *p;
/* Fall through. */
default:
if (result)
return 1;
}
return 0;
}