[turbofan] remove dependence of InstructionBlock on BasicBlock

src/compiler/ia32/code-generator-ia32.cc

 // Copyright 2013 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/code-generator.h"
 
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/ia32/assembler-ia32.h"
@@ skipping 743 matching lines @@
       break;
     case kNotOverflow:
       __ j(no_overflow, tlabel);
       break;
   }
   // Add a jump if not falling through to the next block.
   if (!branch->fallthru) __ jmp(flabel);
 }
 
 
-void CodeGenerator::AssembleArchJump(BasicBlock::RpoNumber target) {
+void CodeGenerator::AssembleArchJump(RpoNumber target) {
   if (!IsNextInAssemblyOrder(target)) __ jmp(GetLabel(target));
 }
 
 
 // Assembles boolean materializations after an instruction.
 void CodeGenerator::AssembleArchBoolean(Instruction* instr,
                                         FlagsCondition condition) {
   IA32OperandConverter i(this, instr);
   Label done;
 
@@ skipping 497 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8