Share ic data between unoptimized and optimized static calls.

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 870 matching lines @@
   EmitInstanceCall(&target_label, ic_data, argument_count,
                    deopt_id, token_pos, locs);
 }
 
 
 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));
+                                           LocationSummary* locs,
+                                           const ICData& ic_data) {
+  const Array& arguments_descriptor = Array::ZoneHandle(
+      ic_data.IsNull() ? ArgumentsDescriptor::New(argument_count,
+                                                  argument_names)
+                       : ic_data.arguments_descriptor());
   // Proper reporting of Javascript incompatibilities requires icdata and
   // may therefore prevent the optimization of some static calls.
   if (is_optimizing() &&
       !(FLAG_warn_on_javascript_compatibility &&
         (MethodRecognizer::RecognizeKind(function) ==
          MethodRecognizer::kObjectIdentical))) {
-    EmitOptimizedStaticCall(function, arguments_descriptor, argument_count,
-                            deopt_id, token_pos, locs);
+    EmitOptimizedStaticCall(function, arguments_descriptor,
+                            argument_count, deopt_id, token_pos, locs);
   } else {
-    EmitUnoptimizedStaticCall(function, arguments_descriptor, argument_count,
-                              deopt_id, token_pos, locs);
+    ICData& call_ic_data = ICData::ZoneHandle(ic_data.raw());
+    if (call_ic_data.IsNull()) {
+      call_ic_data = ICData::New(parsed_function().function(),  // Caller fun.
+                                 String::Handle(function.name()),
+                                 arguments_descriptor,
+                                 deopt_id,
+                                 0);  // No arguments checked.
+      call_ic_data.AddTarget(function);
+    }
+    EmitUnoptimizedStaticCall(argument_count, deopt_id, token_pos, locs,
+                              call_ic_data);
   }
 }
 
 
 void FlowGraphCompiler::GenerateNumberTypeCheck(Register kClassIdReg,
                                                 const AbstractType& type,
                                                 Label* is_instance_lbl,
                                                 Label* is_not_instance_lbl) {
   assembler()->Comment("NumberTypeCheck");
   GrowableArray<intptr_t> args;
@@ skipping 392 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