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diff src/share/vm/opto/compile.hpp @ 63:eac007780a58

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6671807: (Escape Analysis) Add new ideal node to represent the state of a scalarized object at a safepoint Summary: Values of non-static fields of a scalarized object should be saved in debug info to reallocate the object during deoptimization. Reviewed-by: never
author kvn
date Thu, 13 Mar 2008 16:06:34 -0700
parents b789bcaf2dd9
children 99269dbf4ba8
line wrap: on
line diff
--- a/src/share/vm/opto/compile.hpp	Thu Mar 13 05:40:44 2008 -0700
+++ b/src/share/vm/opto/compile.hpp	Thu Mar 13 16:06:34 2008 -0700
@@ -606,8 +606,20 @@
 
   // Build OopMaps for each GC point
   void BuildOopMaps();
-  // Append debug info for the node to the array
-  void FillLocArray( int idx, Node *local, GrowableArray<ScopeValue*> *array );
+
+  // Append debug info for the node "local" at safepoint node "sfpt" to the
+  // "array",   May also consult and add to "objs", which describes the
+  // scalar-replaced objects.
+  void FillLocArray( int idx, MachSafePointNode* sfpt,
+                     Node *local, GrowableArray<ScopeValue*> *array,
+                     GrowableArray<ScopeValue*> *objs );
+
+  // If "objs" contains an ObjectValue whose id is "id", returns it, else NULL.
+  static ObjectValue* sv_for_node_id(GrowableArray<ScopeValue*> *objs, int id);
+  // Requres that "objs" does not contains an ObjectValue whose id matches
+  // that of "sv.  Appends "sv".
+  static void set_sv_for_object_node(GrowableArray<ScopeValue*> *objs,
+                                     ObjectValue* sv );
 
   // Process an OopMap Element while emitting nodes
   void Process_OopMap_Node(MachNode *mach, int code_offset);