When checking against non-parametrized types use a cache to hold result tuples (class, result). Tha…

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 5471 matching lines @@
 }
 
 
 const char* PcDescriptors::KindAsStr(intptr_t index) const {
   switch (DescriptorKind(index)) {
     case PcDescriptors::kDeopt: return "deopt";
     case PcDescriptors::kPatchCode: return "patch";
     case PcDescriptors::kIcCall: return "ic-call";
     case PcDescriptors::kFuncCall: return "func-call";
     case PcDescriptors::kReturn: return "return";
+    case PcDescriptors::kTypeTest: return "type-test";
     case PcDescriptors::kOther: return "other";
   }
   UNREACHABLE();
   return "";
 }
 
 
 const char* PcDescriptors::ToCString() const {
   if (Length() == 0) {
     return "No pc descriptors\n";
@@ skipping 423 matching lines @@
   for (intptr_t i = 0; i < descriptors.Length(); i++) {
     if ((descriptors.NodeId(i) == node_id) &&
         (descriptors.DescriptorKind(i) == PcDescriptors::kDeopt)) {
       return descriptors.PC(i);
     }
   }
   return 0;
 }
 
 
+uword Code::GetTypeTestAtNodeId(intptr_t node_id) const {
+  const PcDescriptors& descriptors = PcDescriptors::Handle(pc_descriptors());
+  for (intptr_t i = 0; i < descriptors.Length(); i++) {
+    if ((descriptors.NodeId(i) == node_id) &&
+        (descriptors.DescriptorKind(i) == PcDescriptors::kTypeTest)) {
+      return descriptors.PC(i);
+    }
+  }
+  return 0;
+}
+
+
 const char* Code::ToCString() const {
   const char* kFormat = "Code entry:0x%d";
   intptr_t len = OS::SNPrint(NULL, 0, kFormat, EntryPoint());
   char* chars = reinterpret_cast<char*>(
       Isolate::Current()->current_zone()->Allocate(len));
   OS::SNPrint(chars, len, kFormat, EntryPoint());
   return chars;
 }
 
 
@@ skipping 3149 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