/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized" } */

int nem1_phi (unsigned long a) { return a ? -1 : 0; }
int eqm1_phi (unsigned long a) { return a ? 0 : -1; }

int spaceship1 (long a) { return a > 0 ? 1 : a < 0 ? -1 : 0; }
int spaceship2 (long a) { return a > 0 ? 1 : a == 0 ? 0 : -1; }

/* { dg-final { scan-tree-dump-times " = -\[^\r\n\]*_.;" 4 "optimized"} } */