[VM-corelib] Improve performance for very big maps and sets.

runtime/vm/flow_graph_inliner.cc

 // Copyright (c) 2013, 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.
 #if !defined(DART_PRECOMPILED_RUNTIME)
 #include "vm/flow_graph_inliner.h"
 
 #include "vm/aot_optimizer.h"
 #include "vm/block_scheduler.h"
 #include "vm/branch_optimizer.h"
 #include "vm/compiler.h"
@@ skipping 1250 matching lines @@
     const GrowableArray<CallSites::StaticCallInfo>& call_info =
         inlining_call_sites_->static_calls();
     TRACE_INLINING(THR_Print("  Static Calls (%" Pd ")\n", call_info.length()));
     for (intptr_t call_idx = 0; call_idx < call_info.length(); ++call_idx) {
       StaticCallInstr* call = call_info[call_idx].call;
       const Function& target = call->function();
       if (!inliner_->AlwaysInline(target) &&
           (call_info[call_idx].ratio * 100) < FLAG_inlining_hotness) {
         if (trace_inlining()) {
           String& name = String::Handle(target.QualifiedUserVisibleName());
-          THR_Print("  => %s (deopt count %d)\n     Bailout: cold %f\n",
+          THR_Print("  => %s (deopt count %d, optimized instructions %" Pd
+                    ")\n     Bailout: cold %f\n",
                     name.ToCString(), target.deoptimization_counter(),
+                    target.optimized_instruction_count(),
                     call_info[call_idx].ratio);
         }
         PRINT_INLINING_TREE("Too cold", &call_info[call_idx].caller(),
                             &call->function(), call);
         continue;
       }
       GrowableArray<Value*> arguments(call->ArgumentCount());
       for (int i = 0; i < call->ArgumentCount(); ++i) {
         arguments.Add(call->PushArgumentAt(i)->value());
       }
@@ skipping 2446 matching lines @@
       return true;
     }
 
     default:
       return false;
   }
 }
 
 }  // namespace dart
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)