/* PR tree-optimization/80934 - bzero should be assumed not to escape | |
pointer argument | |
{ dg-do compile } | |
{ dg-options "-O2 -fdump-tree-alias" } */ | |
void foobar (void); | |
void f (void); | |
void g (void) | |
{ | |
char d[32]; | |
__builtin_memset (d, 0, sizeof d); | |
f (); | |
if (*d != 0) | |
foobar (); | |
} | |
void h (void) | |
{ | |
char d[32]; | |
__builtin_bzero (d, sizeof d); | |
f (); | |
if (*d != 0) | |
foobar (); | |
} | |
/* { dg-final { scan-tree-dump-not "memset|foobar|bzero" "alias" } } */ |