gcc/testsuite/gcc.dg/tree-ssa/pr65136.c

   1 /* { dg-do compile { target int32plus } } */
   2 /* { dg-options "-O2 -fdump-rtl-expand-details" } */
   3
   4 int foo(unsigned int cc )
   5 {
   6
   7   while ( cc >> 16 )
   8     {
   9       cc = (cc & 0xffff) + (cc >> 16);
  10     }
  11
  12   return ( (unsigned short)(cc) ) == ((unsigned short)(-1));
  13 }
  14
  15 /* { dg-final { scan-rtl-dump-not "_\[0-9\]* = 1;" "expand" } } */