Remove default monomorphic check code from functions and stubs that do not need it.

runtime/vm/flow_graph_compiler_x64.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_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/ast_printer.h"
@@ skipping 966 matching lines @@
   __ movq(RBX, Address(RSP, 1 * kWordSize));  // Value.
   __ StoreIntoObject(RAX, FieldAddress(RAX, offset), RBX);
   __ LoadObject(RAX, Object::null_object());
   __ ret();
 }
 
 
 // NOTE: If the entry code shape changes, ReturnAddressLocator in profiler.cc
 // needs to be updated to match.
 void FlowGraphCompiler::EmitFrameEntry() {
-  const Function& function = parsed_function().function();
-  // Load pool pointer.
-
   if (flow_graph().IsCompiledForOsr()) {
     intptr_t extra_slots = StackSize()
         - flow_graph().num_stack_locals()
         - flow_graph().num_copied_params();
     ASSERT(extra_slots >= 0);
     __ EnterOsrFrame(extra_slots * kWordSize);
   } else {
     const Register new_pp = R13;
     __ LoadPoolPointer(new_pp);
 
+    const Function& function = parsed_function().function();
     if (CanOptimizeFunction() &&
         function.IsOptimizable() &&
         (!is_optimizing() || may_reoptimize())) {
       __ Comment("Invocation Count Check");
       const Register function_reg = RDI;
       // Load function object using the callee's pool pointer.
       __ LoadFunctionFromCalleePool(function_reg, function, new_pp);
 
       // Reoptimization of an optimized function is triggered by counting in
       // IC stubs, but not at the entry of the function.
@@ skipping 10 matching lines @@
     }
     ASSERT(StackSize() >= 0);
     __ Comment("Enter frame");
     __ EnterDartFrame(StackSize() * kWordSize, new_pp);
   }
 }
 
 
 void FlowGraphCompiler::CompileGraph() {
   InitCompiler();
+  const Function& function = parsed_function().function();
+
+#ifdef DART_PRECOMPILER
+  if (function.IsDynamicFunction()) {
+    __ MonomorphicCheckedEntry();
+  }
+#endif  // DART_PRECOMPILER
 
   if (TryIntrinsify()) {
     // Skip regular code generation.
     return;
   }
 
   EmitFrameEntry();
   ASSERT(assembler()->constant_pool_allowed());
 
-  const Function& function = parsed_function().function();
-
   const int num_fixed_params = function.num_fixed_parameters();
   const int num_copied_params = parsed_function().num_copied_params();
   const int num_locals = parsed_function().num_stack_locals();
 
   // We check the number of passed arguments when we have to copy them due to
   // the presence of optional parameters.
   // No such checking code is generated if only fixed parameters are declared,
   // unless we are in debug mode or unless we are compiling a closure.
   if (num_copied_params == 0) {
     const bool check_arguments =
@@ skipping 789 matching lines @@
   __ movups(reg, Address(RSP, 0));
   __ AddImmediate(RSP, Immediate(kFpuRegisterSize));
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64