/* { dg-do compile } */ | |
/* { dg-options "-O2 -fdump-tree-dce3" } */ | |
/* LLVM LOCAL test not applicable */ | |
/* { dg-require-fdump "" } */ | |
/* 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 "dce3"} } */ | |
/* { dg-final { cleanup-tree-dump "dce3" } } */ |