Ensure Schedules generated by the RawMachineAssembler are in edge-split form

src/compiler/raw-machine-assembler.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/raw-machine-assembler.h"
 
 #include "src/code-factory.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/pipeline.h"
 #include "src/compiler/scheduler.h"
@@ skipping 21 matching lines @@
     parameters_[i] =
         AddNode(common()->Parameter(static_cast<int>(i)), graph->start());
   }
   graph->SetEnd(graph->NewNode(common_.End(0)));
 }
 
 
 Schedule* RawMachineAssembler::Export() {
   // Compute the correct codegen order.
   DCHECK(schedule_->rpo_order()->empty());
+  OFStream os(stdout);
+  if (FLAG_trace_turbo_scheduler) {
+    PrintF("--- RAW SCHEDULE -------------------------------------------\n");
+    os << *schedule_;
+  }
+  schedule_->EnsureSplitEdgeForm();
+  schedule_->PropagateDeferredMark();
+  if (FLAG_trace_turbo_scheduler) {
+    PrintF("--- EDGE SPLIT AND PROPAGATED DEFERRED SCHEDULE ------------\n");
+    os << *schedule_;
+  }
   Scheduler::ComputeSpecialRPO(zone(), schedule_);
   // Invalidate RawMachineAssembler.
   Schedule* schedule = schedule_;
   schedule_ = nullptr;
   return schedule;
 }
 
 
 Node* RawMachineAssembler::Parameter(size_t index) {
   DCHECK(index < parameter_count());
@@ skipping 427 matching lines @@
   // The raw machine assembler nodes do not have effect and control inputs,
   // so we disable checking input counts here.
   return graph()->NewNodeUnchecked(op, input_count, inputs);
 }
 
 RawMachineLabel::~RawMachineLabel() { DCHECK(bound_ || !used_); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8