[turbofan] Unify frame state inputs.

src/compiler/js-generic-lowering.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/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/js-generic-lowering.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 120 matching lines @@
   inputs.push_back(NodeProperties::GetValueInput(node, 0));
   inputs.push_back(NodeProperties::GetValueInput(node, 1));
   inputs.push_back(NodeProperties::GetContextInput(node));
   if (node->op()->HasProperty(Operator::kPure)) {
     // A pure (strict) comparison doesn't have an effect, control or frame
     // state.  But for the graph, we need to add control and effect inputs.
     DCHECK(OperatorProperties::GetFrameStateInputCount(node->op()) == 0);
     inputs.push_back(graph()->start());
     inputs.push_back(graph()->start());
   } else {
-    DCHECK((OperatorProperties::GetFrameStateInputCount(node->op()) == 1) ==
-           FLAG_turbo_deoptimization);
-    if (FLAG_turbo_deoptimization) {
-      inputs.push_back(NodeProperties::GetFrameStateInput(node, 0));
-    }
+    inputs.push_back(NodeProperties::GetFrameStateInput(node, 0));
     inputs.push_back(NodeProperties::GetEffectInput(node));
     inputs.push_back(NodeProperties::GetControlInput(node));
   }
   Node* compare =
       graph()->NewNode(common()->Call(desc_compare),
                        static_cast<int>(inputs.size()), &inputs.front());
 
   // Decide how the return value from the above CompareIC can be converted into
   // a JavaScript boolean oddball depending on the given token.
   Node* false_value = jsgraph()->FalseConstant();
@@ skipping 395 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSGenericLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8