1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-pre" } */
3 
f(unsigned x,unsigned y,_Bool b)4 unsigned f(unsigned x, unsigned y, _Bool b)
5 {
6 #define m (b?-1:0)
7   return (x&m)|(y&~m);
8 #undef m
9 }
10 
11 /* { dg-final { scan-tree-dump "# prephitmp_\[0-9\]+ = PHI <\[xy\]_\[0-9\]+\\(D\\)\[^,\]*, \[xy\]_\[0-9\]+\\(D\\)" "pre" } } */
12