rt_gccstream/gcc/testsuite/gcc.dg/tree-ssa/ssa-dce-2.c

18 lines
393 B
C

/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-dce2" } */
/* We should notice constantness of this function. */
static int __attribute__((noinline)) t(int a)
{
return a+1;
}
void q(void)
{
int i = t(1);
if (!i)
i = t(1);
}
/* There should be no IF conditionals. */
/* { dg-final { scan-tree-dump-times "if " 0 "dce2"} } */
/* { dg-final { cleanup-tree-dump "dce2" } } */