binary-operator-reducer: reduce mul+div(shift)

src/compiler/pipeline.cc

Index: src/compiler/pipeline.cc
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index 32319491fa02e6c878812f070903686d8b1b3a7b..fba600c20d925ea595acc26a2911c853b12879a5 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -12,6 +12,7 @@
 #include "src/compiler/ast-graph-builder.h"
 #include "src/compiler/ast-loop-assignment-analyzer.h"
 #include "src/compiler/basic-block-instrumentor.h"
+#include "src/compiler/binary-operator-reducer.h"
 #include "src/compiler/branch-elimination.h"
 #include "src/compiler/bytecode-graph-builder.h"
 #include "src/compiler/change-lowering.h"
@@ -639,11 +640,14 @@ struct SimplifiedLoweringPhase {
     MachineOperatorReducer machine_reducer(data->jsgraph());
     CommonOperatorReducer common_reducer(&graph_reducer, data->graph(),
                                          data->common(), data->machine());
+    BinaryOperatorReducer binary_reducer(&graph_reducer, data->graph(),
+                                         data->common(), data->machine());
     AddReducer(data, &graph_reducer, &dead_code_elimination);
     AddReducer(data, &graph_reducer, &simple_reducer);
     AddReducer(data, &graph_reducer, &value_numbering);
     AddReducer(data, &graph_reducer, &machine_reducer);
     AddReducer(data, &graph_reducer, &common_reducer);
+    AddReducer(data, &graph_reducer, &binary_reducer);
     graph_reducer.ReduceGraph();
   }
 };