[turbofan] Initial attempt to cleanup Node and related classes.

src/compiler/common-operator.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/common-operator.h"
 
 #include "src/assembler.h"
 #include "src/base/lazy-instance.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/opcodes.h"
@@ skipping 85 matching lines @@
                             info.state_combine());
 }
 
 
 std::ostream& operator<<(std::ostream& os, FrameStateCallInfo const& info) {
   return os << info.type() << ", " << info.bailout_id() << ", "
             << info.state_combine();
 }
 
 
+size_t ProjectionIndexOf(const Operator* const op) {
+  DCHECK_EQ(IrOpcode::kProjection, op->opcode());
+  return OpParameter<size_t>(op);
+}
+
+
 #define CACHED_OP_LIST(V)                                  \
   V(Dead, Operator::kFoldable, 0, 0, 0, 0, 0, 1)           \
   V(End, Operator::kFoldable, 0, 0, 1, 0, 0, 0)            \
   V(IfTrue, Operator::kFoldable, 0, 0, 1, 0, 0, 1)         \
   V(IfFalse, Operator::kFoldable, 0, 0, 1, 0, 0, 1)        \
   V(Throw, Operator::kFoldable, 1, 1, 1, 0, 0, 1)          \
   V(Return, Operator::kNoProperties, 1, 1, 1, 0, 0, 1)     \
   V(OsrNormalEntry, Operator::kFoldable, 0, 1, 1, 0, 1, 1) \
   V(OsrLoopEntry, Operator::kFoldable, 0, 1, 1, 0, 1, 1)
 
@@ skipping 366 matching lines @@
   return new (zone()) Operator1<size_t>(       // --
       IrOpcode::kProjection, Operator::kPure,  // opcode
       "Projection",                            // name
       1, 0, 0, 1, 0, 0,                        // counts
       index);                                  // parameter
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8