src/share/vm/opto/callnode.hpp

*** 894,903 ****
--- 894,917 ----
    // are defined in graphKit.cpp, which sets up the bidirectional relation.)
    InitializeNode* initialization();
  
    // Convenience for initialization->maybe_set_complete(phase)
    bool maybe_set_complete(PhaseGVN* phase);
+ 
+ #ifdef AARCH64
+   // Return true if allocation doesn't escape thread, its escape state
+   // needs be noEscape or ArgEscape. InitializeNode._does_not_escape
+   // is true when its allocation's escape state is noEscape or
+   // ArgEscape. In case allocation's InitializeNode is NULL, check
+   // AlllocateNode._is_non_escaping flag.
+   // AlllocateNode._is_non_escaping is true when its escape state is
+   // noEscape.
+   bool does_not_escape_thread() {
+     InitializeNode* init = NULL;
+     return _is_non_escaping || (((init = initialization()) != NULL) && init->does_not_escape());
+   }
+ #endif
  };
  
  //------------------------------AllocateArray---------------------------------
  //
  // High-level array allocation