[turbofan] Osr value typing + dynamic type checks on entry.

src/compiler/instruction-selector.cc

 // Copyright 2014 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.
 
 #include "src/compiler/instruction-selector.h"
 
 #include <limits>
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
@@ skipping 1705 matching lines @@
 
 void InstructionSelector::VisitIfException(Node* node) {
   OperandGenerator g(this);
   DCHECK_EQ(IrOpcode::kCall, node->InputAt(1)->opcode());
   Emit(kArchNop, g.DefineAsLocation(node, ExceptionLocation()));
 }
 
 
 void InstructionSelector::VisitOsrValue(Node* node) {
   OperandGenerator g(this);
-  int index = OpParameter<int>(node);
+  int index = OsrValueIndexOf(node->op());
   Emit(kArchNop,
        g.DefineAsLocation(node, linkage()->GetOsrValueLocation(index)));
 }
 
 
 void InstructionSelector::VisitPhi(Node* node) {
   const int input_count = node->op()->ValueInputCount();
   PhiInstruction* phi = new (instruction_zone())
       PhiInstruction(instruction_zone(), GetVirtualRegister(node),
                      static_cast<size_t>(input_count));
@@ skipping 362 matching lines @@
   return new (instruction_zone()) FrameStateDescriptor(
       instruction_zone(), state_info.type(), state_info.bailout_id(),
       state_info.state_combine(), parameters, locals, stack,
       state_info.shared_info(), outer_state);
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8