Save ICData of unoptimized code in the function, thus preserving it across repated unoptimized comp…

runtime/vm/flow_graph_compiler.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_FLOW_GRAPH_COMPILER_H_
 #define VM_FLOW_GRAPH_COMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/code_descriptors.h"
@@ skipping 439 matching lines @@
     }
     return current_block_->try_index();
   }
 
   bool may_reoptimize() const { return may_reoptimize_; }
 
   // Returns 'sorted' array in decreasing count order.
   static void SortICDataByCount(const ICData& ic_data,
                                 GrowableArray<CidTarget>* sorted);
 
+  // Use in unoptimized compilation to preserve/reuse ICData.
+  const ICData* InstanceCallICData(intptr_t deopt_id,
+                                   const String& target_name,
+                                   const Array& arguments_descriptor,
+                                   intptr_t num_args_tested);
+
+  const ICData* StaticCallICData(intptr_t deopt_id,
+                                 const Function& target,
+                                 const Array& arguments_descriptor,
+                                 intptr_t num_args_tested);
+
+  const ZoneGrowableArray<const ICData*>& deopt_id_to_ic_data() const {
+    return *deopt_id_to_ic_data_;
+  }
+
  private:
   friend class CheckStackOverflowSlowPath;  // For pending_deoptimization_env_.
 
   Isolate* isolate() const { return isolate_; }
 
   void EmitFrameEntry();
 
   void AddStaticCallTarget(const Function& function);
 
   void GenerateDeferredCode();
@@ skipping 126 matching lines @@
   // Currently instructions generate deopt stubs internally by
   // calling AddDeoptStub.  To communicate deoptimization environment
   // that should be used when deoptimizing we store it in this variable.
   // In future AddDeoptStub should be moved out of the instruction template.
   Environment* pending_deoptimization_env_;
 
   intptr_t entry_patch_pc_offset_;
   intptr_t patch_code_pc_offset_;
   intptr_t lazy_deopt_pc_offset_;
 
+  ZoneGrowableArray<const ICData*>* deopt_id_to_ic_data_;
+
   DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_COMPILER_H_