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src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.hpp

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@@ -61,16 +61,11 @@
    static void test_gc_state(Node*& ctrl, Node* raw_mem, Node*& heap_stable_ctrl,
                              PhaseIdealLoop* phase, int flags);
    static void call_lrb_stub(Node*& ctrl, Node*& val, Node* load_addr,
                              DecoratorSet decorators, PhaseIdealLoop* phase);
    static void test_in_cset(Node*& ctrl, Node*& not_cset_ctrl, Node* val, Node* raw_mem, PhaseIdealLoop* phase);
-   static void move_gc_state_test_out_of_loop(IfNode* iff, PhaseIdealLoop* phase);
-   static void merge_back_to_back_tests(Node* n, PhaseIdealLoop* phase);
-   static bool merge_point_safe(Node* region);
-   static bool identical_backtoback_ifs(Node *n, PhaseIdealLoop* phase);
    static void fix_ctrl(Node* barrier, Node* region, const MemoryGraphFixer& fixer, Unique_Node_List& uses, Unique_Node_List& uses_to_ignore, uint last, PhaseIdealLoop* phase);
-   static IfNode* find_unswitching_candidate(const IdealLoopTree *loop, PhaseIdealLoop* phase);
  
    static Node* get_load_addr(PhaseIdealLoop* phase, VectorSet& visited, Node* lrb);
  public:
    static bool is_dominator(Node* d_c, Node* n_c, Node* d, Node* n, PhaseIdealLoop* phase);
    static bool is_dominator_same_ctrl(Node* c, Node* d, Node* n, PhaseIdealLoop* phase);

@@ -78,34 +73,16 @@
    static bool is_gc_state_load(Node* n);
    static bool is_heap_stable_test(Node* iff);
  
    static bool expand(Compile* C, PhaseIterGVN& igvn);
    static void pin_and_expand(PhaseIdealLoop* phase);
-   static void optimize_after_expansion(VectorSet& visited, Node_Stack& nstack, Node_List& old_new, PhaseIdealLoop* phase);
  
  #ifdef ASSERT
    static void verify(RootNode* root);
  #endif
  };
  
- class ShenandoahIUBarrierNode : public Node {
- public:
-   ShenandoahIUBarrierNode(Node* val);
- 
-   const Type *bottom_type() const;
-   const Type* Value(PhaseGVN* phase) const;
-   Node* Identity(PhaseGVN* phase);
- 
-   int Opcode() const;
- 
- private:
-   enum { Needed, NotNeeded, MaybeNeeded };
- 
-   static int needed(Node* n);
-   static Node* next(Node* n);
- };
- 
  class MemoryGraphFixer : public ResourceObj {
  private:
    Node_List _memory_nodes;
    int _alias;
    PhaseIdealLoop* _phase;
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