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

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rev 59195 : 8244594: [BACKOUT] 8244523: Shenandoah: Remove null-handling in LRB expansion
rev 59196 : 8244595: [REDO] 8244523: Shenandoah: Remove null-handling in LRB expansion

@@ -59,13 +59,10 @@
   static void follow_barrier_uses(Node* n, Node* ctrl, Unique_Node_List& uses, PhaseIdealLoop* phase);
   static void test_null(Node*& ctrl, Node* val, Node*& null_ctrl, PhaseIdealLoop* phase);
   static void test_heap_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, Node*& result_mem, Node* raw_mem, bool is_native, PhaseIdealLoop* phase);
-  static Node* clone_null_check(Node*& c, Node* val, Node* unc_ctrl, PhaseIdealLoop* phase);
-  static void fix_null_check(Node* unc, Node* unc_ctrl, Node* new_unc_ctrl, Unique_Node_List& uses,
-                             PhaseIdealLoop* phase);
   static void in_cset_fast_test(Node*& ctrl, Node*& not_cset_ctrl, Node* val, Node* raw_mem, PhaseIdealLoop* phase);
   static void move_heap_stable_test_out_of_loop(IfNode* iff, PhaseIdealLoop* phase);
   static void merge_back_to_back_tests(Node* n, PhaseIdealLoop* phase);
   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);

@@ -252,11 +249,10 @@
   virtual uint size_of() const;
   virtual uint hash() const;
   virtual bool cmp( const Node &n ) const;
 
   bool is_redundant();
-  CallStaticJavaNode* pin_and_expand_null_check(PhaseIterGVN& igvn);
 
 private:
   bool needs_barrier(PhaseGVN* phase, Node* n);
   bool needs_barrier_impl(PhaseGVN* phase, Node* n, Unique_Node_List &visited);
 };
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