[turbofan] move assembly order to InstructionBlock

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 "src/compiler/graph.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
@@ skipping 155 matching lines @@
   return Emit(instr);
 }
 
 
 Instruction* InstructionSelector::Emit(Instruction* instr) {
   instructions_.push_back(instr);
   return instr;
 }
 
 
-bool InstructionSelector::IsNextInAssemblyOrder(const BasicBlock* block) const {
-  return current_block_->GetAoNumber().IsNext(block->GetAoNumber());
-}
-
-
 bool InstructionSelector::CanCover(Node* user, Node* node) const {
   return node->OwnedBy(user) &&
          schedule()->block(node) == schedule()->block(user);
 }
 
 
 int InstructionSelector::GetVirtualRegister(const Node* node) {
   if (node_map_[node->id()] == kNodeUnmapped) {
     node_map_[node->id()] = sequence()->NextVirtualRegister();
   }
@@ skipping 951 matching lines @@
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {
   return MachineOperatorBuilder::Flag::kNoFlags;
 }
 
 #endif  // !V8_TURBOFAN_BACKEND
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8