Preliminary lowering of typed array loads in TF.

src/compiler/pipeline.cc

Index: src/compiler/pipeline.cc
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index 7937daf1bc8c65361fcbf322200fe577dad6d9ba..3af5cd7172118a2f6c05bfea7a993d6cc0694377 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -16,11 +16,13 @@
 #include "src/compiler/js-generic-lowering.h"
 #include "src/compiler/js-inlining.h"
 #include "src/compiler/js-typed-lowering.h"
+#include "src/compiler/machine-operator-reducer.h"
 #include "src/compiler/phi-reducer.h"
 #include "src/compiler/register-allocator.h"
 #include "src/compiler/schedule.h"
 #include "src/compiler/scheduler.h"
 #include "src/compiler/simplified-lowering.h"
+#include "src/compiler/simplified-operator-reducer.h"
 #include "src/compiler/typer.h"
 #include "src/compiler/verifier.h"
 #include "src/hydrogen.h"
@@ -253,9 +255,13 @@ Handle<Code> Pipeline::GenerateCode() {
                                      SourcePosition::Unknown());
       Linkage linkage(info());
       MachineOperatorBuilder machine(zone());
+      SimplifiedOperatorReducer simple_reducer(&jsgraph, &machine);
       ChangeLowering lowering(&jsgraph, &linkage, &machine);
+      MachineOperatorReducer mach_reducer(&graph);
       GraphReducer graph_reducer(&graph);
+      graph_reducer.AddReducer(&simple_reducer);

[titzer, 2014/08/28 09:45:10]

Can you leave a TODO for me here? I am not sure if running them all as one big
reducer pipeline is best. Have to think about it.

[Michael Starzinger, 2014/08/28 10:38:40]

Done.

       graph_reducer.AddReducer(&lowering);
+      graph_reducer.AddReducer(&mach_reducer);
       graph_reducer.ReduceGraph();
 
       VerifyAndPrintGraph(&graph, "Lowered changes");