[compiler] Add baseline tier to compilation pipeline.

src/runtime/runtime-compiler.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/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/compiler.h"
 #include "src/deoptimizer.h"
 #include "src/frames-inl.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/isolate-inl.h"
 #include "src/messages.h"
 #include "src/v8threads.h"
 #include "src/vm-state-inl.h"
 
 namespace v8 {
 namespace internal {
 
 RUNTIME_FUNCTION(Runtime_CompileLazy) {
   HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
+  DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
 
 #ifdef DEBUG
   if (FLAG_trace_lazy && !function->shared()->is_compiled()) {
     PrintF("[unoptimized: ");
     function->PrintName();
     PrintF("]\n");
   }
 #endif
 
   StackLimitCheck check(isolate);
   if (check.JsHasOverflowed(1 * KB)) return isolate->StackOverflow();
   if (!Compiler::Compile(function, Compiler::KEEP_EXCEPTION)) {
     return isolate->heap()->exception();
   }
   DCHECK(function->is_compiled());
   return function->code();
 }
 
+RUNTIME_FUNCTION(Runtime_CompileBaseline) {
+  HandleScope scope(isolate);
+  DCHECK_EQ(1, args.length());
+  CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
+  StackLimitCheck check(isolate);
+  if (check.JsHasOverflowed(1 * KB)) return isolate->StackOverflow();
+  if (!Compiler::CompileBaseline(function)) {
+    return isolate->heap()->exception();
+  }
+  DCHECK(function->is_compiled());
+  return function->code();
+}
 
 RUNTIME_FUNCTION(Runtime_CompileOptimized_Concurrent) {
   HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
+  DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
   StackLimitCheck check(isolate);
   if (check.JsHasOverflowed(1 * KB)) return isolate->StackOverflow();
   if (!Compiler::CompileOptimized(function, Compiler::CONCURRENT)) {
     return isolate->heap()->exception();
   }
   DCHECK(function->is_compiled());
   return function->code();
 }
 
 
 RUNTIME_FUNCTION(Runtime_CompileOptimized_NotConcurrent) {
   HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
+  DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
   StackLimitCheck check(isolate);
   if (check.JsHasOverflowed(1 * KB)) return isolate->StackOverflow();
   if (!Compiler::CompileOptimized(function, Compiler::NOT_CONCURRENT)) {
     return isolate->heap()->exception();
   }
   DCHECK(function->is_compiled());
   return function->code();
 }
 
@@ skipping 288 matching lines @@
   DCHECK(is_valid_language_mode(args.smi_at(3)));
   LanguageMode language_mode = static_cast<LanguageMode>(args.smi_at(3));
   DCHECK(args[4]->IsSmi());
   Handle<SharedFunctionInfo> outer_info(args.at<JSFunction>(2)->shared(),
                                         isolate);
   return CompileGlobalEval(isolate, args.at<String>(1), outer_info,
                            language_mode, args.smi_at(4), args.smi_at(5));
 }
 }  // namespace internal
 }  // namespace v8