[Turbofan] run load elimination concurrently.

src/compiler/pipeline.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/compiler/pipeline.h"
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <memory>
 #include <sstream>
 
@@ skipping 1532 matching lines @@
     Run<TypedLoweringPhase>();
     RunPrintAndVerify("Lowered typed");
 
     if (data->info()->is_loop_peeling_enabled()) {
       Run<LoopPeelingPhase>();
       RunPrintAndVerify("Loops peeled", true);
     } else {
       Run<LoopExitEliminationPhase>();
       RunPrintAndVerify("Loop exits eliminated", true);
     }
-
-    if (!info()->shared_info()->asm_function()) {
-      if (FLAG_turbo_load_elimination) {
-        Run<LoadEliminationPhase>();
-        RunPrintAndVerify("Load eliminated");
-      }
-    }
   }
 
   // Do some hacky things to prepare for the optimization phase.
   // (caching handles, etc.).
   Run<ConcurrentOptimizationPrepPhase>();
 
   data->EndPhaseKind();
 
   return true;
 }
 
 bool PipelineImpl::OptimizeGraph(Linkage* linkage) {
   PipelineData* data = this->data_;
 
   if (!data->is_asm()) {
+    if (FLAG_turbo_load_elimination) {
+      Run<LoadEliminationPhase>();
+      RunPrintAndVerify("Load eliminated");
+    }
+
     if (FLAG_turbo_escape) {
       Run<EscapeAnalysisPhase>();
       if (data->compilation_failed()) {
         info()->AbortOptimization(kCyclicObjectStateDetectedInEscapeAnalysis);
         data->EndPhaseKind();
         return false;
       }
       RunPrintAndVerify("Escape Analysed");
     }
   }
@@ skipping 427 matching lines @@
   data->DeleteRegisterAllocationZone();
 }
 
 CompilationInfo* PipelineImpl::info() const { return data_->info(); }
 
 Isolate* PipelineImpl::isolate() const { return info()->isolate(); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8