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

src/compiler/arm64/instruction-selector-arm64.cc

Index: src/compiler/arm64/instruction-selector-arm64.cc
diff --git a/src/compiler/arm64/instruction-selector-arm64.cc b/src/compiler/arm64/instruction-selector-arm64.cc
index 1d83a51de639a1b9a3487835da988a641a1d74e2..82c0bea1cead147ee2a03b467cfbca38c8a1aa8a 100644
--- a/src/compiler/arm64/instruction-selector-arm64.cc
+++ b/src/compiler/arm64/instruction-selector-arm64.cc
@@ -4,6 +4,7 @@
 
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
+#include "src/compiler/node-properties.h"
 
 namespace v8 {
 namespace internal {
@@ -1310,14 +1311,14 @@ void InstructionSelector::VisitBranch(Node* branch, BasicBlock* tbranch,
       case IrOpcode::kProjection:
         // Check if this is the overflow output projection of an
         // <Operation>WithOverflow node.
-        if (OpParameter<size_t>(value) == 1u) {
+        if (ProjectionIndexOf(value->op()) == 1u) {
           // We cannot combine the <Operation>WithOverflow with this branch
           // unless the 0th projection (the use of the actual value of the
           // <Operation> is either NULL, which means there's no use of the
           // actual value, or was already defined, which means it is scheduled
           // *AFTER* this branch).
-          Node* node = value->InputAt(0);
-          Node* result = node->FindProjection(0);
+          Node* const node = value->InputAt(0);
+          Node* const result = NodeProperties::FindProjection(node, 0);
           if (result == NULL || IsDefined(result)) {
             switch (node->opcode()) {
               case IrOpcode::kInt32AddWithOverflow:
@@ -1461,7 +1462,7 @@ void InstructionSelector::VisitWord64Equal(Node* const node) {
 
 
 void InstructionSelector::VisitInt32AddWithOverflow(Node* node) {
-  if (Node* ovf = node->FindProjection(1)) {
+  if (Node* ovf = NodeProperties::FindProjection(node, 1)) {
     FlagsContinuation cont(kOverflow, ovf);
     return VisitBinop<Int32BinopMatcher>(this, node, kArm64Add32,
                                          kArithmeticImm, &cont);
@@ -1472,7 +1473,7 @@ void InstructionSelector::VisitInt32AddWithOverflow(Node* node) {
 
 
 void InstructionSelector::VisitInt32SubWithOverflow(Node* node) {
-  if (Node* ovf = node->FindProjection(1)) {
+  if (Node* ovf = NodeProperties::FindProjection(node, 1)) {
     FlagsContinuation cont(kOverflow, ovf);
     return VisitBinop<Int32BinopMatcher>(this, node, kArm64Sub32,
                                          kArithmeticImm, &cont);