gcc/testsuite/gcc.dg/tree-ssa/vrp57.c

   1 /* PR40052 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -ftree-vrp -fno-tree-ccp -fdump-tree-optimized" } */
   4
   5 int foo(_Bool b)
   6 {
   7     return b | 1;
   8 }
   9
  10 int bar(_Bool b)
  11 {
  12     return b & -2;
  13 }
  14
  15 /* { dg-final { scan-tree-dump "return 0;" "optimized" } } */
  16 /* { dg-final { scan-tree-dump "return 1;" "optimized" } } */
  17 /* { dg-final { cleanup-tree-dump "optimized" } } */