/* { dg-do compile } */ | |
/* { dg-options "-O -fdump-tree-cddce1" } */ | |
int * | |
fx (int *a, int sz) | |
{ | |
int *b = a + sz; | |
b = b - sz; | |
/* forwprop together with FRE should optimize this to return a; */ | |
return b; | |
} | |
/* { dg-final { scan-tree-dump "return a" "cddce1" } } */ |