562 struct LoopFuser {  struct
565   FusionCandidateCollection FusionCandidates;
567   LoopDepthTree LDT;
568   DomTreeUpdater DTU;
570   LoopInfo &LI;
571   DominatorTree &DT;
572   DependenceInfo &DI;
573   ScalarEvolution &SE;
574   PostDominatorTree &PDT;
575   OptimizationRemarkEmitter &ORE;
576   AssumptionCache ∾
577   const TargetTransformInfo &TTI;
580   LoopFuser(LoopInfo &LI, DominatorTree &DT, DependenceInfo &DI,  in LoopFuser()  function
590   bool fuseLoops(Function &F) {  in fuseLoops()
657   bool isControlFlowEquivalent(const FusionCandidate &FC0,  in isControlFlowEquivalent()
668   void collectFusionCandidates(const LoopVector &LV) {  in collectFusionCandidates()
714   bool isBeneficialFusion(const FusionCandidate &FC0,  in isBeneficialFusion()
728   haveIdenticalTripCounts(const FusionCandidate &FC0,  in haveIdenticalTripCounts()
786   void peelFusionCandidate(FusionCandidate &FC0, const FusionCandidate &FC1,  in peelFusionCandidate()
858   bool fuseCandidates() {  in fuseCandidates()
1073   bool canHoistInst(Instruction &I,  in canHoistInst()
1139   bool canSinkInst(Instruction &I, const FusionCandidate &FC1) const {  in canSinkInst()
1181   bool collectMovablePreheaderInsts(  in collectMovablePreheaderInsts()
1233   class AddRecLoopReplacer : public SCEVRewriteVisitor<AddRecLoopReplacer> {
1271   bool accessDiffIsPositive(const Loop &L0, const Loop &L1, Instruction &I0,  in accessDiffIsPositive()
1325   bool dependencesAllowFusion(const FusionCandidate &FC0,  in dependencesAllowFusion()
1372   bool dependencesAllowFusion(const FusionCandidate &FC0,  in dependencesAllowFusion()
1436   bool isAdjacent(const FusionCandidate &FC0,  in isAdjacent()
1445   bool isEmptyPreheader(const FusionCandidate &FC) const {  in isEmptyPreheader()
1451   void movePreheaderInsts(const FusionCandidate &FC0,  in movePreheaderInsts()
1498   bool haveIdenticalGuards(const FusionCandidate &FC0,  in haveIdenticalGuards()
1521   void simplifyLatchBranch(const FusionCandidate &FC) const {  in simplifyLatchBranch()
1535   void mergeLatch(const FusionCandidate &FC0, const FusionCandidate &FC1) {  in mergeLatch()
1572   Loop *performFusion(const FusionCandidate &FC0, const FusionCandidate &FC1) {  in performFusion()
1783   void reportLoopFusion(const FusionCandidate &FC0, const FusionCandidate &FC1,  in reportLoopFusion()
1814   Loop *fuseGuardedLoops(const FusionCandidate &FC0,  in fuseGuardedLoops()