156         let mut set = RegSet::new(bitset, zero);  in test_any_gpr()  localVariable
158             let gpr = set.reg_for_class(RegClass::Int);  in test_any_gpr()
162         assert!(!set.available(RegClass::Int));  in test_any_gpr()
163         assert!(set.reg_for_class(RegClass::Int).is_none())  in test_any_gpr()
174         let mut set = RegSet::new(bitset, zero);  in test_gpr()  localVariable
177         assert!(set.reg(non_alloc).is_some());  in test_gpr()
178         assert!(set.reg(non_alloc).is_some());  in test_gpr()
181         assert!(set.reg(alloc).is_some());  in test_gpr()
182         assert!(set.reg(alloc).is_none());  in test_gpr()
187         let set = RegBitSet::int(UNIVERSE, !UNIVERSE, MAX);  in test_free_reg()  localVariable
189         let mut set = RegSet::new(set, zero);  in test_free_reg()  localVariable
190         let gpr = set.reg_for_class(RegClass::Int).unwrap();  in test_free_reg()
191         set.free(gpr);  in test_free_reg()
192         assert!(set.reg(gpr).is_some());  in test_free_reg()