[turbofan] Add schedule to visualizer output

src/compiler/pipeline.cc

Index: src/compiler/pipeline.cc
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index 80b19809d338eece87ad6280c1e026e183857df0..0c923df9bc29bcf34b140be16223d7d55ee84ad4 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -18,7 +18,6 @@
 #include "src/compiler/control-flow-optimizer.h"
 #include "src/compiler/control-reducer.h"
 #include "src/compiler/graph-replay.h"
-#include "src/compiler/graph-visualizer.h"
 #include "src/compiler/instruction.h"
 #include "src/compiler/instruction-selector.h"
 #include "src/compiler/js-builtin-reducer.h"
@@ -45,6 +44,7 @@
 #include "src/compiler/typer.h"
 #include "src/compiler/value-numbering-reducer.h"
 #include "src/compiler/verifier.h"
+#include "src/compiler/visualizer.h"
 #include "src/compiler/zone-pool.h"
 #include "src/ostreams.h"
 #include "src/utils.h"
@@ -284,10 +284,28 @@ struct TurboCfgFile : public std::ofstream {
 };
 
 
-static void TraceSchedule(Schedule* schedule) {
+static void TraceSchedule(CompilationInfo* info,
+                          SourcePositionTable* source_positions,
+                          Schedule* schedule) {
+  if (FLAG_trace_turbo) {
+    FILE* json_file = OpenVisualizerLogFile(info, NULL, "json", "a+");
+    if (json_file != nullptr) {
+      OFStream json_of(json_file);
+      json_of << "{\"name\":\"Schedule\",\"type\":\"schedule\",\"data\":\"";
+      std::stringstream schedule_stream;
+      schedule_stream << ScheduleAsJSON(*schedule, source_positions);
+      std::string schedule_string(schedule_stream.str());
+      for (const auto& c : schedule_string) {
+        json_of << AsEscapedUC16ForJSON(c);
+      }
+      json_of << "\"},\n";
+      fclose(json_file);
+    }
+  }
   if (!FLAG_trace_turbo_graph && !FLAG_trace_turbo_scheduler) return;
   OFStream os(stdout);
-  os << "-- Schedule --------------------------------------\n" << *schedule;
+  os << "-- Schedule --------------------------------------\n"
+     << ScheduleAsJSON(*schedule);
 }
 
 
@@ -785,7 +803,7 @@ struct PrintGraphPhase {
       if (json_file == nullptr) return;
       OFStream json_of(json_file);
       json_of << "{\"name\":\"" << phase << "\",\"type\":\"graph\",\"data\":"
-              << AsJSON(*graph, data->source_positions()) << "},\n";
+              << GraphAsJSON(*graph, data->source_positions()) << "},\n";
       fclose(json_file);
     }
 
@@ -1052,7 +1070,7 @@ Handle<Code> Pipeline::ScheduleAndGenerateCode(
   CHECK(SupportedBackend());
 
   if (data->schedule() == nullptr) Run<ComputeSchedulePhase>();
-  TraceSchedule(data->schedule());
+  TraceSchedule(data->info(), data->source_positions(), data->schedule());
 
   BasicBlockProfiler::Data* profiler_data = NULL;
   if (FLAG_turbo_profiling) {