[turbofan] remove some of the dependency of Instruction on Schedule

src/compiler/arm64/code-generator-arm64.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/code-generator.h"
 
 #include "src/arm64/macro-assembler-arm64.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 146 matching lines @@
         __ Ldr(temp, FieldMemOperand(func, JSFunction::kContextOffset));
         __ cmp(cp, temp);
         __ Assert(eq, kWrongFunctionContext);
       }
       __ Ldr(x10, FieldMemOperand(func, JSFunction::kCodeEntryOffset));
       __ Call(x10);
       AddSafepointAndDeopt(instr);
       break;
     }
     case kArchJmp:
-      __ B(code_->GetLabel(i.InputBlock(0)));
+      __ B(code_->GetLabel(i.InputRpo(0)));
       break;
     case kArchNop:
       // don't emit code for nops.
       break;
     case kArchRet:
       AssembleReturn();
       break;
     case kArchStackPointer:
       __ mov(i.OutputRegister(), masm()->StackPointer());
       break;
@@ skipping 341 matching lines @@
 
 
 // Assemble branches after this instruction.
 void CodeGenerator::AssembleArchBranch(Instruction* instr,
                                        FlagsCondition condition) {
   Arm64OperandConverter i(this, instr);
   Label done;
 
   // Emit a branch. The true and false targets are always the last two inputs
   // to the instruction.
-  BasicBlock* tblock = i.InputBlock(instr->InputCount() - 2);
-  BasicBlock* fblock = i.InputBlock(instr->InputCount() - 1);
+  BasicBlock::RpoNumber tblock =
+      i.InputRpo(static_cast<int>(instr->InputCount()) - 2);
+  BasicBlock::RpoNumber fblock =
+      i.InputRpo(static_cast<int>(instr->InputCount()) - 1);
   bool fallthru = IsNextInAssemblyOrder(fblock);
   Label* tlabel = code()->GetLabel(tblock);
   Label* flabel = fallthru ? &done : code()->GetLabel(fblock);
   switch (condition) {
     case kUnorderedEqual:
       __ B(vs, flabel);
     // Fall through.
     case kEqual:
       __ B(eq, tlabel);
       break;
@@ skipping 394 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8