Revert "Revert of [turbofan] Remove redundant code.[...]"

src/compiler/greedy-allocator.cc

 // Copyright 2015 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/greedy-allocator.h"
 #include "src/compiler/register-allocator.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 350 matching lines @@
 }
 
 
 void GreedyAllocator::AllocateRegisters() {
   CHECK(scheduler().empty());
   CHECK(allocations_.empty());
 
   TRACE("Begin allocating function %s with the Greedy Allocator\n",
         data()->debug_name());
 
-  SplitAndSpillRangesDefinedByMemoryOperand();
+  SplitAndSpillRangesDefinedByMemoryOperand(true);
   GroupLiveRanges();
   ScheduleAllocationCandidates();
   PreallocateFixedRanges();
   while (!scheduler().empty()) {
     AllocationCandidate candidate = scheduler().GetNext();
     TryAllocateCandidate(candidate);
   }
 
   for (size_t i = 0; i < allocations_.size(); ++i) {
     if (!allocations_[i]->empty()) {
@@ skipping 238 matching lines @@
 
 
 bool GreedyAllocator::IsProgressPossible(const LiveRange* range) {
   return range->CanBeSpilled(range->Start()) ||
          GetLastResortSplitPosition(range).IsValid();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8