gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-32.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-pre" } */
   3
   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" } } */