gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-41.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 #if __SIZEOF_INT__ == 2
   5 #define int __INT32_TYPE__
   6 #endif
   7
   8 int foo(int x)
   9 {
  10     int p = x & 24;
  11     int r = 1 << p;
  12     return r & ((int)1<<17);
  13 }
  14
  15 /* { dg-final { scan-tree-dump "return 0;" "optimized" } } */