From: titzer <titzer@chromium.org>
Date: Mon, 18 May 2015 11:54:11 +0000 (-0700)
Subject: [turbofan] JSTypeFeedbackSpecializer is now an AdvancedReducer.
X-Git-Tag: upstream/4.7.83~2599
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=029a2d61a68541182f06ee41ba5ec8ba6b943edf;p=platform%2Fupstream%2Fv8.git

[turbofan] JSTypeFeedbackSpecializer is now an AdvancedReducer.

R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1136413002

Cr-Commit-Position: refs/heads/master@{#28441}
---

diff --git a/src/compiler/js-type-feedback.cc b/src/compiler/js-type-feedback.cc
index 7cccfa7..c82972a 100644
--- a/src/compiler/js-type-feedback.cc
+++ b/src/compiler/js-type-feedback.cc
@@ -196,7 +196,7 @@ Reduction JSTypeFeedbackSpecializer::ReduceJSLoadNamed(Node* node) {
   Node* deopt = graph()->NewNode(common()->Deoptimize(), frame_state_before,
                                  effect, check_failed);
   NodeProperties::MergeControlToEnd(graph(), common(), deopt);
-  NodeProperties::ReplaceWithValue(node, load, load, check_success);
+  ReplaceWithValue(node, load, load, check_success);
   return Replace(load);
 }
 
@@ -211,7 +211,7 @@ Reduction JSTypeFeedbackSpecializer::ReduceJSLoadNamedForGlobalVariable(
   if (!constant_value.is_null()) {
     // Always optimize global constants.
     Node* constant = jsgraph()->Constant(constant_value);
-    NodeProperties::ReplaceWithValue(node, constant);
+    ReplaceWithValue(node, constant);
     return Replace(constant);
   }
 
@@ -247,7 +247,7 @@ Reduction JSTypeFeedbackSpecializer::ReduceJSLoadNamedForGlobalVariable(
               String::Flatten(Handle<String>::cast(constant_value));
         }
         Node* constant = jsgraph()->Constant(constant_value);
-        NodeProperties::ReplaceWithValue(node, constant);
+        ReplaceWithValue(node, constant);
         return Replace(constant);
       } else {
         // Load directly from the property cell.
@@ -256,7 +256,7 @@ Reduction JSTypeFeedbackSpecializer::ReduceJSLoadNamedForGlobalVariable(
         Node* load_field = graph()->NewNode(
             simplified()->LoadField(access), jsgraph()->Constant(cell),
             NodeProperties::GetEffectInput(node), control);
-        NodeProperties::ReplaceWithValue(node, load_field, load_field, control);
+        ReplaceWithValue(node, load_field, load_field, control);
         return Replace(load_field);
       }
     }
@@ -313,7 +313,7 @@ Reduction JSTypeFeedbackSpecializer::ReduceJSStoreNamed(Node* node) {
   Node* deopt = graph()->NewNode(common()->Deoptimize(), frame_state_before,
                                  effect, check_failed);
   NodeProperties::MergeControlToEnd(graph(), common(), deopt);
-  NodeProperties::ReplaceWithValue(node, store, store, check_success);
+  ReplaceWithValue(node, store, store, check_success);
   return Replace(store);
 }
 
diff --git a/src/compiler/js-type-feedback.h b/src/compiler/js-type-feedback.h
index 3d55795..4f1f045 100644
--- a/src/compiler/js-type-feedback.h
+++ b/src/compiler/js-type-feedback.h
@@ -47,14 +47,15 @@ class JSTypeFeedbackTable : public ZoneObject {
 
 // Specializes a graph to the type feedback recorded in the
 // {js_type_feedback} provided to the constructor.
-class JSTypeFeedbackSpecializer : public Reducer {
+class JSTypeFeedbackSpecializer : public AdvancedReducer {
  public:
-  JSTypeFeedbackSpecializer(JSGraph* jsgraph,
+  JSTypeFeedbackSpecializer(Editor* editor, JSGraph* jsgraph,
                             JSTypeFeedbackTable* js_type_feedback,
                             TypeFeedbackOracle* oracle,
                             Handle<GlobalObject> global_object,
                             CompilationDependencies* dependencies)
-      : jsgraph_(jsgraph),
+      : AdvancedReducer(editor),
+        jsgraph_(jsgraph),
         simplified_(jsgraph->graph()->zone()),
         js_type_feedback_(js_type_feedback),
         oracle_(oracle),
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index a65ea8d..7b364a7 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -545,8 +545,8 @@ struct JSTypeFeedbackPhase {
     // TODO(titzer): introduce a specialization mode/flags enum to control
     // specializing to the global object here.
     JSTypeFeedbackSpecializer specializer(
-        data->jsgraph(), data->js_type_feedback(), &oracle, global_object,
-        data->info()->dependencies());
+        &graph_reducer, data->jsgraph(), data->js_type_feedback(), &oracle,
+        global_object, data->info()->dependencies());
     AddReducer(data, &graph_reducer, &specializer);
     graph_reducer.ReduceGraph();
   }
diff --git a/test/unittests/compiler/js-type-feedback-unittest.cc b/test/unittests/compiler/js-type-feedback-unittest.cc
index 46eb437..c243c5f 100644
--- a/test/unittests/compiler/js-type-feedback-unittest.cc
+++ b/test/unittests/compiler/js-type-feedback-unittest.cc
@@ -41,8 +41,10 @@ class JSTypeFeedbackTest : public TypedGraphTest {
     MachineOperatorBuilder machine(zone());
     JSGraph jsgraph(isolate(), graph(), common(), javascript(), &machine);
     JSTypeFeedbackTable table(zone());
-    JSTypeFeedbackSpecializer reducer(&jsgraph, &table, nullptr, global_object,
-                                      &dependencies_);
+    // TODO(titzer): mock the GraphReducer here for better unit testing.
+    GraphReducer graph_reducer(graph(), zone());
+    JSTypeFeedbackSpecializer reducer(&graph_reducer, &jsgraph, &table, nullptr,
+                                      global_object, &dependencies_);
     return reducer.Reduce(node);
   }