gcc/testsuite/gcc.dg/pr71636-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-forwprop-details" } */
   3
   4 unsigned f(unsigned x, unsigned b)
   5 {
   6   unsigned t1 = 1U << b;
   7   unsigned t2 = t1 - 1;
   8   unsigned t3 = x & t2;
   9   return t3;
  10 }
  11
  12 /* { dg-final { scan-tree-dump "_\[0-9\] = ~_\[0-9\]" "forwprop1" } } */