1 /* { dg-do compile } */
2 /* { dg-options "-O1 -fdump-tree-optimized" } */
3 
nem1_phi(unsigned long a)4 int nem1_phi (unsigned long a) { return a ? -1 : 0; }
eqm1_phi(unsigned long a)5 int eqm1_phi (unsigned long a) { return a ? 0 : -1; }
6 
spaceship1(long a)7 int spaceship1 (long a) { return a > 0 ? 1 : a < 0 ? -1 : 0; }
spaceship2(long a)8 int spaceship2 (long a) { return a > 0 ? 1 : a == 0 ? 0 : -1; }
9 
10 /* { dg-final { scan-tree-dump-times " = -\[^\r\n\]*_.;" 4 "optimized"} } */
11