[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/x64/lithium-codegen-x64.h

+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef V8_X64_LITHIUM_CODEGEN_X64_H_
+#define V8_X64_LITHIUM_CODEGEN_X64_H_
+
+#include "x64/lithium-x64.h"
+
+#include "deoptimizer.h"
+#include "safepoint-table.h"
+#include "scopes.h"
+
+namespace v8 {
+namespace internal {
+
+// Forward declarations.
+class LDeferredCode;
+
+class LCodeGen BASE_EMBEDDED {
+ public:
+  LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info) { }
+
+  // Try to generate code for the entire chunk, but it may fail if the
+  // chunk contains constructs we cannot handle. Returns true if the
+  // code generation attempt succeeded.
+  bool GenerateCode() {
+    UNIMPLEMENTED();
+    return false;
+  }
+
+  // Finish the code by setting stack height, safepoint, and bailout
+  // information on it.
+  void FinishCode(Handle<Code> code) { UNIMPLEMENTED(); }
+};
+
+} }  // namespace v8::internal
+
+#endif  // V8_X64_LITHIUM_CODEGEN_X64_H_