[turbofan] Deopt support for escape analysis

src/compiler/escape-analysis.h

Index: src/compiler/escape-analysis.h
diff --git a/src/compiler/escape-analysis.h b/src/compiler/escape-analysis.h
index ce372b598ade5262a80e328f6d184b94ba6dc029..f10a8f02689bf95b50309092817baea2c4c17e1f 100644
--- a/src/compiler/escape-analysis.h
+++ b/src/compiler/escape-analysis.h
@@ -16,6 +16,7 @@ namespace compiler {
 class CommonOperatorBuilder;
 class EscapeAnalysis;
 class VirtualState;
+class VirtualObject;
 
 
 // EscapeStatusAnalysis determines for each allocation whether it escapes.
@@ -81,6 +82,8 @@ class EscapeAnalysis {
   Node* GetReplacement(Node* at, NodeId id);
   bool IsVirtual(Node* node);
   bool IsEscaped(Node* node);
+  Node* GetOrCreateObjectState(Node* effect, Node* node);
+  Node* GetEffect(Node* node);
 
  private:
   void RunObjectAnalysis();
@@ -97,6 +100,10 @@ class EscapeAnalysis {
   bool IsDanglingEffectNode(Node* node);
   int OffsetFromAccess(Node* node);
 
+  VirtualObject* GetVirtualObject(Node* at, NodeId id);
+
+  void RecordEffectForFrameStateUses(Node* node, Node* effect);
+
   void DebugPrint();
 
   Graph* graph() const { return graph_; }
@@ -108,6 +115,7 @@ class EscapeAnalysis {
   Zone* const zone_;
   ZoneVector<VirtualState*> virtual_states_;
   EscapeStatusAnalysis escape_status_;
+  ZoneVector<Node*> effects_;
 
   DISALLOW_COPY_AND_ASSIGN(EscapeAnalysis);
 };