Change static calls in unoptimized code to always call via a stub. Using ICData, the call count of …

runtime/vm/flow_graph_compiler.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.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_XXX.
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/cha.h"
 #include "vm/dart_entry.h"
@@ skipping 598 matching lines @@
 
 void FlowGraphCompiler::GenerateStaticCall(intptr_t deopt_id,
                                            intptr_t token_pos,
                                            const Function& function,
                                            intptr_t argument_count,
                                            const Array& argument_names,
                                            LocationSummary* locs) {
   const Array& arguments_descriptor =
       Array::ZoneHandle(ArgumentsDescriptor::New(argument_count,
                                                  argument_names));
-  EmitStaticCall(function, arguments_descriptor, argument_count,
-                 deopt_id, token_pos, locs);
+  if (is_optimizing()) {
+    EmitStaticCall(function, arguments_descriptor, argument_count,
+                   deopt_id, token_pos, locs);
+  } else {
+    EmitUnoptimizedStaticCall(function, arguments_descriptor, argument_count,
+                              deopt_id, token_pos, locs);
+  }
 }
 
 
 void FlowGraphCompiler::GenerateNumberTypeCheck(Register kClassIdReg,
                                                 const AbstractType& type,
                                                 Label* is_instance_lbl,
                                                 Label* is_not_instance_lbl) {
   assembler()->Comment("NumberTypeCheck");
   GrowableArray<intptr_t> args;
   if (type.IsNumberType()) {
@@ skipping 457 matching lines @@
 
   for (int i = 0; i < len; i++) {
     sorted->Add(CidTarget(ic_data.GetReceiverClassIdAt(i),
                           &Function::ZoneHandle(ic_data.GetTargetAt(i)),
                           ic_data.GetCountAt(i)));
   }
   sorted->Sort(HighestCountFirst);
 }
 
 }  // namespace dart