/* { dg-do compile } */ | |
/* { dg-options "-O1 -fdump-tree-ccp" } */ | |
extern void link_error (void); | |
/* tests to check if cprop works when using non-return functions */ | |
extern int not_returning (int) __attribute__ ((noreturn)); | |
int b; | |
int test7 (int a) | |
{ | |
b = 7; | |
if (a) | |
{ | |
not_returning (a); | |
} | |
if (b != 7) | |
link_error (); | |
return b; | |
} | |
/* There should be not link_error calls, if there is any the | |
optimization has failed */ | |
/* { dg-final { scan-tree-dump-times "link_error" 0 "ccp"} } */ | |