[turbofan] basic block profiler

BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # TODO(jochen): These will need to be user-settable to support standalone V8
 # builds.
 v8_compress_startup_data = "off"
 v8_deprecation_warnings = false
 v8_enable_disassembler = false
 v8_enable_gdbjit = false
@@ skipping 422 matching lines @@
     "src/assert-scope.h",
     "src/assert-scope.cc",
     "src/ast-value-factory.cc",
     "src/ast-value-factory.h",
     "src/ast.cc",
     "src/ast.h",
     "src/background-parsing-task.cc",
     "src/background-parsing-task.h",
     "src/bailout-reason.cc",
     "src/bailout-reason.h",
+    "src/basic-block-profiler.cc",
+    "src/basic-block-profiler.h",
     "src/bignum-dtoa.cc",
     "src/bignum-dtoa.h",
     "src/bignum.cc",
     "src/bignum.h",
     "src/bootstrapper.cc",
     "src/bootstrapper.h",
     "src/builtins.cc",
     "src/builtins.h",
     "src/bytecodes-irregexp.h",
     "src/cached-powers.cc",
@@ skipping 11 matching lines @@
     "src/code-stubs-hydrogen.cc",
     "src/code.h",
     "src/codegen.cc",
     "src/codegen.h",
     "src/compilation-cache.cc",
     "src/compilation-cache.h",
     "src/compiler/access-builder.cc",
     "src/compiler/access-builder.h",
     "src/compiler/ast-graph-builder.cc",
     "src/compiler/ast-graph-builder.h",
+    "src/compiler/basic-block-instrumentor.cc",
+    "src/compiler/basic-block-instrumentor.h",
     "src/compiler/change-lowering.cc",
     "src/compiler/change-lowering.h",
     "src/compiler/code-generator-impl.h",
     "src/compiler/code-generator.cc",
     "src/compiler/code-generator.h",
     "src/compiler/common-node-cache.h",
     "src/compiler/common-operator.cc",
     "src/compiler/common-operator.h",
     "src/compiler/control-builders.cc",
     "src/compiler/control-builders.h",
@@ skipping 915 matching lines @@
     deps = [
       ":v8_base",
       ":v8_nosnapshot",
     ]
   }
 
   direct_dependent_configs = [ ":external_config" ]
 }
 
 }