Add initial support for inlining.

src/compiler/pipeline.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/pipeline.h"
 
 #include "src/base/platform/elapsed-timer.h"
 #include "src/compiler/ast-graph-builder.h"
 #include "src/compiler/code-generator.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-context-specialization.h"
 #include "src/compiler/js-generic-lowering.h"
+#include "src/compiler/js-inlining.h"
 #include "src/compiler/js-typed-lowering.h"
 #include "src/compiler/phi-reducer.h"
 #include "src/compiler/register-allocator.h"
 #include "src/compiler/schedule.h"
 #include "src/compiler/scheduler.h"
 #include "src/compiler/simplified-lowering.h"
 #include "src/compiler/typer.h"
 #include "src/compiler/verifier.h"
 #include "src/hydrogen.h"
 #include "src/ostreams.h"
@@ skipping 153 matching lines @@
     graph_reducer.AddReducer(&phi_reducer);
     graph_reducer.ReduceGraph();
     // TODO(mstarzinger): Running reducer once ought to be enough for everyone.
     graph_reducer.ReduceGraph();
     graph_reducer.ReduceGraph();
   }
 
   VerifyAndPrintGraph(&graph, "Initial untyped");
 
   if (FLAG_context_specialization) {
-    SourcePositionTable::Scope pos_(&source_positions,
-                                    SourcePosition::Unknown());
+    SourcePositionTable::Scope pos(&source_positions,
+                                   SourcePosition::Unknown());
     // Specialize the code to the context as aggressively as possible.
     JSContextSpecializer spec(info(), &jsgraph, context_node);
     spec.SpecializeToContext();
     VerifyAndPrintGraph(&graph, "Context specialized");
   }
 
+  if (FLAG_turbo_inlining) {
+    SourcePositionTable::Scope pos(&source_positions,
+                                   SourcePosition::Unknown());
+    JSInliner inliner(info(), &jsgraph);
+    inliner.Inline();
+    VerifyAndPrintGraph(&graph, "Inlined");
+  }
+
   // Print a replay of the initial graph.
   if (FLAG_print_turbo_replay) {
     GraphReplayPrinter::PrintReplay(&graph);
   }
 
   if (FLAG_turbo_types) {
     {
       // Type the graph.
       PhaseStats typer_stats(info(), PhaseStats::CREATE_GRAPH, "typer");
       typer.Run(&graph, info()->context());
@@ skipping 142 matching lines @@
 }
 
 
 void Pipeline::TearDown() {
   InstructionOperand::TearDownCaches();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8