/* { dg-do run } */ /* { dg-options "-O1 -save-temps -fdump-tree-dce" } */ #include __attribute__((noinline, noipa)) void fun1(uint32_t *x, int n) { for (int i = 0; i < (n & -16); i++) x[i] = (x[i]&(~5)) == 0; } __attribute__((noinline, noipa, optimize("O0"))) void fun2(uint32_t *x, int n) { for (int i = 0; i < (n & -16); i++) x[i] = (x[i]&(~5)) == 0; } #include "bic-bitmask.h" /* { dg-final { scan-tree-dump-not {<=\s* 4294967289} dce7 { target vect_int } } } */ /* { dg-final { scan-tree-dump {&\s* 4294967290} dce7 { target vect_int } } } */