Add initial support for inlining.

src/compiler/pipeline.cc

Index: src/compiler/pipeline.cc
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index da25a91f2c9e6286ee4ba0efbaeafc71b0e52bbd..33c6712ffd4e1cbc192958174f0415b3d1cd6951 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -13,6 +13,7 @@
 #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"
@@ -194,6 +195,14 @@ Handle<Code> Pipeline::GenerateCode() {
     VerifyAndPrintGraph(&graph, "Context specialized");
   }
 
+  if (FLAG_turbo_inlining) {
+    SourcePositionTable::Scope pos_(&source_positions,

[Michael Starzinger, 2014/08/14 10:36:22]

nit: Let's drop the trialing underscore from "pos" here and a few lines above in
line 190 as well.

[sigurds, 2014/08/19 11:31:19]

Done.

+                                    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);