133 struct ForwardingAction {  struct
155   static ForwardingAction notApplicable() {  in notApplicable()  argument
156     ForwardingAction Result;  in notApplicable()
162   static ForwardingAction cannotForward() {  in cannotForward()  argument
163     ForwardingAction Result;  in cannotForward()
169   static ForwardingAction triviallyForwardable(bool IsProfitable, Value *Val) {  in triviallyForwardable()  argument
170     ForwardingAction Result;  in triviallyForwardable()
181   static ForwardingAction canForward(std::function<bool()> Execute,  in canForward()  argument
184     ForwardingAction Result;  in canForward()
202   using MemoizationTy = DenseMap<ForwardingAction::KeyTy, ForwardingAction>;
454   ForwardingAction forwardKnownLoad(ScopStmt *TargetStmt, Instruction *Inst,  in forwardKnownLoad()
460       return ForwardingAction::notApplicable();  in forwardKnownLoad()
464       return ForwardingAction::notApplicable();  in forwardKnownLoad()
473       return ForwardingAction::cannotForward();  in forwardKnownLoad()
499       return ForwardingAction::canForward(  in forwardKnownLoad()
526       return ForwardingAction::notApplicable();  in forwardKnownLoad()
572         return ForwardingAction::notApplicable();  in forwardKnownLoad()
590     return ForwardingAction::canForward(  in forwardKnownLoad()
607   ForwardingAction reloadKnownContent(ScopStmt *TargetStmt, Instruction *Inst,  in reloadKnownContent()
613       return ForwardingAction::notApplicable();  in reloadKnownContent()
635       return ForwardingAction::notApplicable();  in reloadKnownContent()
650     return ForwardingAction::canForward(ExecAction, {}, true);  in reloadKnownContent()
663   ForwardingAction forwardSpeculatable(ScopStmt *TargetStmt,  in forwardSpeculatable()
668       return ForwardingAction::notApplicable();  in forwardSpeculatable()
683       return ForwardingAction::notApplicable();  in forwardSpeculatable()
685     SmallVector<ForwardingAction::KeyTy, 4> Depends;  in forwardSpeculatable()
692         return ForwardingAction::cannotForward();  in forwardSpeculatable()
718     return ForwardingAction::canForward(ExecAction, Depends, true);  in forwardSpeculatable()
733   ForwardingAction forwardTreeImpl(ScopStmt *TargetStmt, Value *UseVal,  in forwardTreeImpl()
747       return ForwardingAction::triviallyForwardable(false, UseVal);  in forwardTreeImpl()
763         return ForwardingAction::triviallyForwardable(false, UseVal);  in forwardTreeImpl()
768       return ForwardingAction::cannotForward();  in forwardTreeImpl()
773         return ForwardingAction::triviallyForwardable(false, UseVal);  in forwardTreeImpl()
793       return ForwardingAction::canForward(ExecAction, {}, false);  in forwardTreeImpl()
808           return ForwardingAction::cannotForward();  in forwardTreeImpl()
813       ForwardingAction SpeculativeResult =  in forwardTreeImpl()
818       ForwardingAction KnownResult = forwardKnownLoad(  in forwardTreeImpl()
823       ForwardingAction ReloadResult = reloadKnownContent(  in forwardTreeImpl()
831       return ForwardingAction::cannotForward();  in forwardTreeImpl()
859     ForwardingAction Action =  in forwardTree()
879         decltype(std::declval<ForwardingAction>().Depends.begin());  in applyForwardingActions()
880     using EdgeTy = std::pair<ForwardingAction *, ChildItTy>;  in applyForwardingActions()
882     DenseSet<ForwardingAction::KeyTy> Visited;  in applyForwardingActions()
884     SmallVector<ForwardingAction *, 32> Ordered;  in applyForwardingActions()
888     ForwardingAction *RootAction = &ForwardingActions[{UseVal, Stmt}];  in applyForwardingActions()
903       ForwardingAction *TopAction = Top.first;  in applyForwardingActions()
912       ForwardingAction::KeyTy Key = *TopEdge;  in applyForwardingActions()
923       ForwardingAction *ChildAction = &ForwardingActions[Key];  in applyForwardingActions()