[turbofan] Proper dead code elimination as regular reducer.

src/compiler/js-graph.cc

Index: src/compiler/js-graph.cc
diff --git a/src/compiler/js-graph.cc b/src/compiler/js-graph.cc
index 10e20a1bd5f772e0377541f9b13ee5098392f5d8..35984b8357b08a6aa5f2c88958605922aee06d43 100644
--- a/src/compiler/js-graph.cc
+++ b/src/compiler/js-graph.cc
@@ -203,13 +203,8 @@ Node* JSGraph::EmptyFrameState() {
 }
 
 
-Node* JSGraph::DeadValue() {
-  return CACHED(kDeadValue, graph()->NewNode(common()->DeadValue()));
-}
-
-
 Node* JSGraph::DeadControl() {

[Jarin, 2015/06/19 09:50:51]

Does it still make sense to call this DeadControl?

[Benedikt Meurer, 2015/06/19 09:55:31]

Renamed to Dead.

-  return CACHED(kDeadControl, graph()->NewNode(common()->DeadControl()));
+  return CACHED(kDeadControl, graph()->NewNode(common()->Dead()));
 }