[turbofan] Greedy allocator refactoring.

src/compiler/register-allocator.cc

Index: src/compiler/register-allocator.cc
diff --git a/src/compiler/register-allocator.cc b/src/compiler/register-allocator.cc
index 0a6f16072d433fd7f73c977499e3464a6f92a3fd..b9f0058dcdfe2b11d2db3e3d06af249287566833 100644
--- a/src/compiler/register-allocator.cc
+++ b/src/compiler/register-allocator.cc
@@ -1852,6 +1852,15 @@ const ZoneVector<LiveRange*>& RegisterAllocator::GetFixedRegisters() const {
 }
 
 
+const char* RegisterAllocator::RegisterName(int allocation_index) const {
+  if (mode() == GENERAL_REGISTERS) {
+    return data()->config()->general_register_name(allocation_index);
+  } else {
+    return data()->config()->double_register_name(allocation_index);
+  }
+}
+
+
 LinearScanAllocator::LinearScanAllocator(RegisterAllocationData* data,
                                          RegisterKind kind, Zone* local_zone)
     : RegisterAllocator(data, kind),
@@ -1958,15 +1967,6 @@ void LinearScanAllocator::AllocateRegisters() {
 }
 
 
-const char* LinearScanAllocator::RegisterName(int allocation_index) const {
-  if (mode() == GENERAL_REGISTERS) {
-    return data()->config()->general_register_name(allocation_index);
-  } else {
-    return data()->config()->double_register_name(allocation_index);
-  }
-}
-
-
 void LinearScanAllocator::SetLiveRangeAssignedRegister(LiveRange* range,
                                                        int reg) {
   data()->MarkAllocated(range->kind(), reg);