Revert r13022 (revert inlining of methods with control flow), Review URL: https://codereview.chromi…

runtime/vm/flow_graph.h

Index: runtime/vm/flow_graph.h
===================================================================
--- runtime/vm/flow_graph.h	(revision 13077)
+++ runtime/vm/flow_graph.h	(working copy)
@@ -40,7 +40,9 @@
 // Class to incapsulate the construction and manipulation of the flow graph.
 class FlowGraph : public ZoneAllocated {
  public:
-  FlowGraph(const FlowGraphBuilder& builder, GraphEntryInstr* graph_entry);
+  FlowGraph(const FlowGraphBuilder& builder,
+            GraphEntryInstr* graph_entry,
+            intptr_t max_block_id);
 
   // Function properties.
   const ParsedFunction& parsed_function() const {
@@ -87,6 +89,10 @@
     return current_ssa_temp_index();
   }
 
+  intptr_t max_block_id() const {
+    return max_block_id_;
+  }
+
   GraphEntryInstr* graph_entry() const {
     return graph_entry_;
   }
@@ -96,6 +102,8 @@
 
   intptr_t alloc_ssa_temp_index() { return current_ssa_temp_index_++; }
 
+  intptr_t InstructionCount() const;
+
   // Operations on the flow graph.
   void ComputeSSA(intptr_t next_virtual_register_number);
   void ComputeUseLists();
@@ -148,6 +156,7 @@
   GrowableArray<BitVector*> assigned_vars_;
 
   intptr_t current_ssa_temp_index_;
+  intptr_t max_block_id_;
 
   // Flow graph fields.
   const ParsedFunction& parsed_function_;