Provide call counts for constructor calls, surface them as a vector IC.

src/ic/ic.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_IC_H_
 #define V8_IC_H_
 
 #include "src/ic/ic-state.h"
 #include "src/macro-assembler.h"
 #include "src/messages.h"
@@ skipping 59 matching lines @@
     return !FLAG_use_ic || state == UNINITIALIZED || state == PREMONOMORPHIC;
   }
 
   static bool IsCleared(FeedbackNexus* nexus) {
     InlineCacheState state = nexus->StateFromFeedback();
     return !FLAG_use_ic || state == UNINITIALIZED || state == PREMONOMORPHIC;
   }
 
   static bool ICUseVector(Code::Kind kind) {
     return kind == Code::LOAD_IC || kind == Code::KEYED_LOAD_IC ||
-           kind == Code::CALL_IC || kind == Code::STORE_IC ||
-           kind == Code::KEYED_STORE_IC;
+           kind == Code::CALL_IC || kind == Code::CONSTRUCT_IC ||
+           kind == Code::STORE_IC || kind == Code::KEYED_STORE_IC;
   }
 
  protected:
   // Get the call-site target; used for determining the state.
   Handle<Code> target() const { return target_; }
 
   Address fp() const { return fp_; }
   Address pc() const { return *pc_address_; }
   Isolate* isolate() const { return isolate_; }
 
@@ skipping 195 matching lines @@
   // Code generator routines.
   static Handle<Code> initialize_stub(Isolate* isolate, int argc,
                                       ConvertReceiverMode mode);
   static Handle<Code> initialize_stub_in_optimized_code(
       Isolate* isolate, int argc, ConvertReceiverMode mode);
 
   static void Clear(Isolate* isolate, Code* host, CallICNexus* nexus);
 };
 
 
+class ConstructIC : public IC {
+ public:
+  ConstructIC(Isolate* isolate, ConstructICNexus* nexus)
+      : IC(EXTRA_CALL_FRAME, isolate, nexus) {
+    DCHECK(nexus != NULL);
+  }
+
+  static void Clear(Isolate* isolate, Code* host, ConstructICNexus* nexus);
+};
+
+
 class LoadIC : public IC {
  public:
   static ExtraICState ComputeExtraICState(TypeofMode typeof_mode,
                                           LanguageMode language_mode) {
     return LoadICState(typeof_mode, language_mode).GetExtraICState();
   }
 
   TypeofMode typeof_mode() const {
     return LoadICState::GetTypeofMode(extra_ic_state());
   }
@@ skipping 357 matching lines @@
 
 // Helper for BinaryOpIC and CompareIC.
 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK };
 void PatchInlinedSmiCode(Isolate* isolate, Address address,
                          InlinedSmiCheck check);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_IC_H_