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

src/compiler/code-generator-impl.h

 // 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.
 
 #ifndef V8_COMPILER_CODE_GENERATOR_IMPL_H_
 #define V8_COMPILER_CODE_GENERATOR_IMPL_H_
 
 #include "src/compiler/code-generator.h"
-#include "src/compiler/common-operator.h"
-#include "src/compiler/generic-graph.h"
 #include "src/compiler/instruction.h"
 #include "src/compiler/linkage.h"
-#include "src/compiler/machine-operator.h"
-#include "src/compiler/node.h"
 #include "src/compiler/opcodes.h"
-#include "src/compiler/operator.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // Converts InstructionOperands from a given instruction to
 // architecture-specific
 // registers and operands after they have been assigned by the register
 // allocator.
 class InstructionOperandConverter {
@@ skipping 27 matching lines @@
 
   uint8_t InputInt6(int index) {
     return static_cast<uint8_t>(InputInt32(index) & 0x3F);
   }
 
   Handle<HeapObject> InputHeapObject(int index) {
     return ToHeapObject(instr_->InputAt(index));
   }
 
   Label* InputLabel(int index) {
-    return gen_->code()->GetLabel(InputBlock(index));
+    return gen_->code()->GetLabel(InputRpo(index));
   }
 
-  BasicBlock* InputBlock(int index) {
-    int block_id = InputInt32(index);
-    return gen_->schedule()->GetBlockById(BasicBlock::Id::FromInt(block_id));
+  BasicBlock::RpoNumber InputRpo(int index) {
+    int rpo_number = InputInt32(index);
+    return BasicBlock::RpoNumber::FromInt(rpo_number);
   }
 
   Register OutputRegister(int index = 0) {
     return ToRegister(instr_->OutputAt(index));
   }
 
   DoubleRegister OutputDoubleRegister() {
     return ToDoubleRegister(instr_->Output());
   }
 
@@ skipping 40 matching lines @@
 #if V8_TARGET_ARCH_ARM64 || V8_TARGET_ARCH_ARM
   masm->CheckConstPool(true, false);
 #endif
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_GENERATOR_IMPL_H