[csa] Enable more early CSA optimizations

R=tebbi@chromium.org

Change-Id: Iab4b0a69028386e79b9abdbcaee7fdb10871042f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1653119
Commit-Queue: Georg Schmid <gsps@google.com>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62100}

src/codegen/optimized-compilation-info.cc

@@ -75,9 +75,15 @@ void OptimizedCompilationInfo::ConfigureFlags() {
       break;
     case Code::BYTECODE_HANDLER:
       SetFlag(kCalledWithCodeStartRegister);
+      if (FLAG_turbo_splitting) {
+        MarkAsSplittingEnabled();
+      }
       break;
     case Code::BUILTIN:
     case Code::STUB:
+      if (FLAG_turbo_splitting) {
+        MarkAsSplittingEnabled();
+      }
 #if ENABLE_GDB_JIT_INTERFACE && DEBUG
       MarkAsSourcePositionsEnabled();
 #endif  // ENABLE_GDB_JIT_INTERFACE && DEBUG

src/compiler/pipeline.cc

@@ -1572,8 +1572,20 @@ struct CsaEarlyOptimizationPhase {
   void Run(PipelineData* data, Zone* temp_zone) {
     GraphReducer graph_reducer(temp_zone, data->graph(),
                                data->jsgraph()->Dead());
+    BranchElimination branch_condition_elimination(&graph_reducer,
+                                                   data->jsgraph(), temp_zone);
+    DeadCodeElimination dead_code_elimination(&graph_reducer, data->graph(),
+                                              data->common(), temp_zone);
+    CommonOperatorReducer common_reducer(&graph_reducer, data->graph(),
+                                         data->broker(), data->common(),
+                                         data->machine(), temp_zone);
+    ValueNumberingReducer value_numbering(temp_zone, data->graph()->zone());
     CsaLoadElimination load_elimination(&graph_reducer, data->jsgraph(),
                                         temp_zone);
+    AddReducer(data, &graph_reducer, &branch_condition_elimination);
+    AddReducer(data, &graph_reducer, &dead_code_elimination);
+    AddReducer(data, &graph_reducer, &common_reducer);
+    AddReducer(data, &graph_reducer, &value_numbering);
     AddReducer(data, &graph_reducer, &load_elimination);
     graph_reducer.ReduceGraph();
   }