[turbofan] Make MachineType a pair of enums.

src/compiler/bytecode-graph-builder.cc

 // Copyright 2015 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/bytecode-graph-builder.h"
 
 #include "src/compiler/linkage.h"
 #include "src/compiler/operator-properties.h"
 #include "src/interpreter/bytecode-array-iterator.h"
 #include "src/interpreter/bytecodes.h"
@@ skipping 138 matching lines @@
     int index = Linkage::kJSCallClosureParamIndex;
     const Operator* op = common()->Parameter(index, "%closure");
     Node* node = NewNode(op, graph()->start());
     function_closure_.set(node);
   }
   return function_closure_.get();
 }
 
 
 Node* BytecodeGraphBuilder::BuildLoadObjectField(Node* object, int offset) {
-  return NewNode(jsgraph()->machine()->Load(kMachAnyTagged), object,
+  return NewNode(jsgraph()->machine()->Load(MachineType::AnyTagged()), object,
                  jsgraph()->IntPtrConstant(offset - kHeapObjectTag));
 }
 
 
 Node* BytecodeGraphBuilder::BuildLoadImmutableObjectField(Node* object,
                                                           int offset) {
-  return graph()->NewNode(jsgraph()->machine()->Load(kMachAnyTagged), object,
+  return graph()->NewNode(jsgraph()->machine()->Load(MachineType::AnyTagged()),
+                          object,
                           jsgraph()->IntPtrConstant(offset - kHeapObjectTag),
                           graph()->start(), graph()->start());
 }
 
 
 Node* BytecodeGraphBuilder::BuildLoadNativeContextField(int index) {
   const Operator* op =
       javascript()->LoadContext(0, Context::NATIVE_CONTEXT_INDEX, true);
   Node* native_context = NewNode(op, environment()->Context());
   return NewNode(javascript()->LoadContext(0, index, true), native_context);
@@ skipping 850 matching lines @@
 
   AddEmptyFrameStateInputs(node);
   environment()->BindAccumulator(node);
 }
 
 
 void BytecodeGraphBuilder::VisitLogicalNot(
     const interpreter::BytecodeArrayIterator& iterator) {
   Node* value = NewNode(javascript()->ToBoolean(ToBooleanHint::kAny),
                         environment()->LookupAccumulator());
-  Node* node = NewNode(common()->Select(kMachAnyTagged), value,
+  Node* node = NewNode(common()->Select(MachineRepresentation::kTagged), value,
                        jsgraph()->FalseConstant(), jsgraph()->TrueConstant());
   environment()->BindAccumulator(node);
 }
 
 
 void BytecodeGraphBuilder::VisitTypeOf(
     const interpreter::BytecodeArrayIterator& iterator) {
   Node* node =
       NewNode(javascript()->TypeOf(), environment()->LookupAccumulator());
   environment()->BindAccumulator(node);
@@ skipping 329 matching lines @@
 
 void BytecodeGraphBuilder::UpdateControlDependencyToLeaveFunction(Node* exit) {
   if (environment()->IsMarkedAsUnreachable()) return;
   environment()->MarkAsUnreachable();
   exit_controls_.push_back(exit);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8