Adding collected type feedback to the IL nodes (only in optimized mode).

runtime/vm/object.cc

 // 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.
 
 #include "vm/object.h"
 
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
@@ skipping 6200 matching lines @@
   for (intptr_t i = 0; i < this->pointer_offsets_length(); i++) {
     const intptr_t offset = this->GetPointerOffsetAt(i);
     if ((start_offset <= offset) && (offset < end_offset)) {
       return false;
     }
   }
   return true;
 }
 
 
-void Code::ExtractIcDataArraysAtCalls(
+intptr_t Code::ExtractIcDataArraysAtCalls(
     GrowableArray<intptr_t>* node_ids,
     const GrowableObjectArray& ic_data_objs) const {
   ASSERT(node_ids != NULL);
   ASSERT(!ic_data_objs.IsNull());
   const PcDescriptors& descriptors =
       PcDescriptors::Handle(this->pc_descriptors());
   ICData& ic_data_obj = ICData::Handle();
+  intptr_t max_id = -1;
   for (intptr_t i = 0; i < descriptors.Length(); i++) {
     if (descriptors.DescriptorKind(i) == PcDescriptors::kIcCall) {
-      node_ids->Add(descriptors.NodeId(i));
+      intptr_t node_id = descriptors.NodeId(i);
+      if (node_id > max_id) {
+        max_id = node_id;
+      }
+      node_ids->Add(node_id);
       ic_data_obj = CodePatcher::GetInstanceCallIcDataAt(descriptors.PC(i));
       ic_data_objs.Add(ic_data_obj);
     }
   }
+  return max_id;
 }
 
 
 RawStackmap* Code::GetStackmap(uword pc, Array* maps, Stackmap* map) const {
   // This code is used only during iterating frames during a GC and hence
   // it should not in turn start a GC.
   NoGCScope no_gc;
   if (stackmaps() == Array::null()) {
     // No stack maps are present in the code object which means this
     // frame relies on tagged pointers.
@@ skipping 3649 matching lines @@
   const String& str = String::Handle(pattern());
   const char* format = "JSRegExp: pattern=%s flags=%s";
   intptr_t len = OS::SNPrint(NULL, 0, format, str.ToCString(), Flags());
   char* chars = reinterpret_cast<char*>(
       Isolate::Current()->current_zone()->Allocate(len + 1));
   OS::SNPrint(chars, (len + 1), format, str.ToCString(), Flags());
   return chars;
 }
 
 }  // namespace dart