168   bool isSafeToHoist(MachineInstr *MI, MachineInstr *&Dependency);
221                                    MachineInstr *&Dependency) {  in isSafeToHoist()  argument
223   Dependency = nullptr;  in isSafeToHoist()
246         if (Dependency) {  in isSafeToHoist()
247           if (Dependency == MI)  in isSafeToHoist()
279         Dependency = MI;  in isSafeToHoist()
427     MachineInstr *Dependency = nullptr;  in analyzeBlockForNullChecks()  local
431           HD.isSafeToHoist(&MI, Dependency)) {  in analyzeBlockForNullChecks()
462             !Dependency ||  in analyzeBlockForNullChecks()
463             all_of(Dependency->operands(), DependencyOperandIsOk);  in analyzeBlockForNullChecks()
467                                      NullSucc, Dependency);  in analyzeBlockForNullChecks()