Remove value check from ICData checks/house-keeping

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/bit_vector.h"
 #include "vm/cha.h"
@@ skipping 1019 matching lines @@
     ASSERT(!is_optimizing()
            || may_reoptimize()
            || flow_graph().IsCompiledForOsr());
     switch (ic_data.NumArgsTested()) {
       case 1:
         label_address = stub_code->OneArgOptimizedCheckInlineCacheEntryPoint();
         break;
       case 2:
         label_address = stub_code->TwoArgsOptimizedCheckInlineCacheEntryPoint();
         break;
-      case 3:
-        label_address =
-            stub_code->ThreeArgsOptimizedCheckInlineCacheEntryPoint();
-        break;
       default:
         UNIMPLEMENTED();
     }
     ExternalLabel target_label(label_address);
     EmitOptimizedInstanceCall(&target_label, ic_data,
                               argument_count, deopt_id, token_pos, locs);
     return;
   }
 
   if (is_optimizing() &&
       // Do not make the instance call megamorphic if the callee needs to decode
       // the calling code sequence to lookup the ic data and verify if a JS
       // warning has already been issued or not.
       (!FLAG_warn_on_javascript_compatibility ||
        !ic_data.MayCheckForJSWarning())) {
     EmitMegamorphicInstanceCall(ic_data, argument_count,
                                 deopt_id, token_pos, locs);
     return;
   }
 
   switch (ic_data.NumArgsTested()) {
     case 1:
       label_address = stub_code->OneArgCheckInlineCacheEntryPoint();
       break;
     case 2:
       label_address = stub_code->TwoArgsCheckInlineCacheEntryPoint();
       break;
-    case 3:
-      label_address = stub_code->ThreeArgsCheckInlineCacheEntryPoint();
-      break;
     default:
       UNIMPLEMENTED();
   }
   ExternalLabel target_label(label_address);
   EmitInstanceCall(&target_label, ic_data, argument_count,
                    deopt_id, token_pos, locs);
 }
 
 
 void FlowGraphCompiler::GenerateStaticCall(intptr_t deopt_id,
@@ skipping 643 matching lines @@
 
 
 void FlowGraphCompiler::FrameStateClear() {
   ASSERT(!is_optimizing());
   frame_state_.TruncateTo(0);
 }
 #endif
 
 
 }  // namespace dart