22 Decision DecideCondition(Node* const cond) {  in DecideCondition()
26       return mcond.Value() ? Decision::kTrue : Decision::kFalse;  in DecideCondition()
30       return mcond.Value()->BooleanValue() ? Decision::kTrue : Decision::kFalse;  in DecideCondition()
33       return Decision::kUnknown;  in DecideCondition()
84        DecideCondition(cond->InputAt(1)) == Decision::kFalse &&  in ReduceBranch()
85        DecideCondition(cond->InputAt(2)) == Decision::kTrue)) {  in ReduceBranch()
107   Decision const decision = DecideCondition(cond);  in ReduceBranch()
108   if (decision == Decision::kUnknown) return NoChange();  in ReduceBranch()
113         Replace(use, (decision == Decision::kTrue) ? control : dead());  in ReduceBranch()
116         Replace(use, (decision == Decision::kFalse) ? control : dead());  in ReduceBranch()
146   Decision const decision = DecideCondition(condition);  in ReduceDeoptimizeConditional()
147   if (decision == Decision::kUnknown) return NoChange();  in ReduceDeoptimizeConditional()
148   if (condition_is_true == (decision == Decision::kTrue)) {  in ReduceDeoptimizeConditional()
379     case Decision::kTrue:  in ReduceSelect()
381     case Decision::kFalse:  in ReduceSelect()
383     case Decision::kUnknown:  in ReduceSelect()