Revert of [Interpreter] Introduce InterpreterCompilationJob

src/compiler/wasm-compiler.cc

 // Copyright 2015 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/wasm-compiler.h"
 
 #include <memory>
 
 #include "src/isolate-inl.h"
 
@@ skipping 3156 matching lines @@
 
   // Run the compiler pipeline to generate machine code.
   CallDescriptor* descriptor = wasm::ModuleEnv::GetWasmCallDescriptor(
       &compilation_zone_, function_->sig);
   if (jsgraph_->machine()->Is32()) {
     descriptor =
         module_env_->GetI32WasmCallDescriptor(&compilation_zone_, descriptor);
   }
   job_.reset(Pipeline::NewWasmCompilationJob(&info_, jsgraph_->graph(),
                                              descriptor, source_positions));
-  ok_ = job_->ExecuteJob() == CompilationJob::SUCCEEDED;
+
+  // The function name {OptimizeGraph()} is misleading but necessary because we
+  // want to use the CompilationJob interface. A better name would be
+  // ScheduleGraphAndSelectInstructions.
+  ok_ = job_->OptimizeGraph() == CompilationJob::SUCCEEDED;
   // TODO(bradnelson): Improve histogram handling of size_t.
   // TODO(ahaas): The counters are not thread-safe at the moment.
   //    isolate_->counters()->wasm_compile_function_peak_memory_bytes()
   // ->AddSample(
   //        static_cast<int>(jsgraph->graph()->zone()->allocation_size()));
 
   if (FLAG_trace_wasm_decode_time) {
     double pipeline_ms = pipeline_timer.Elapsed().InMillisecondsF();
     PrintF(
         "wasm-compilation phase 1 ok: %d bytes, %0.3f ms decode, %zu nodes, "
@@ skipping 11 matching lines @@
       ScopedVector<char> buffer(128);
       wasm::WasmName name = module_env_->module->GetName(
           function_->name_offset, function_->name_length);
       SNPrintF(buffer, "Compiling WASM function #%d:%.*s failed:",
                function_->func_index, name.length(), name.start());
       thrower_->Failed(buffer.start(), graph_construction_result_);
     }
 
     return Handle<Code>::null();
   }
-  if (job_->FinalizeJob() != CompilationJob::SUCCEEDED) {
+  if (job_->GenerateCode() != CompilationJob::SUCCEEDED) {
     return Handle<Code>::null();
   }
   base::ElapsedTimer compile_timer;
   if (FLAG_trace_wasm_decode_time) {
     compile_timer.Start();
   }
   Handle<Code> code = info_.code();
   DCHECK(!code.is_null());
 
   if (isolate_->logger()->is_logging_code_events() ||
@@ skipping 12 matching lines @@
                             function_->code_start_offset),
            compile_ms);
   }
 
   return code;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8