[turbofan] Add performance counters for escape analysis

src/compiler/escape-analysis-reducer.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/escape-analysis-reducer.h"
 
 #include "src/compiler/js-graph.h"
-#include "src/compiler/js-operator.h"
+#include "src/counters.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 EscapeAnalysisReducer::EscapeAnalysisReducer(Editor* editor, JSGraph* jsgraph,
                                              EscapeAnalysis* escape_analysis,
                                              Zone* zone)
     : AdvancedReducer(editor),
       jsgraph_(jsgraph),
@@ skipping 24 matching lines @@
       break;
   }
   return NoChange();
 }
 
 
 Reduction EscapeAnalysisReducer::ReduceLoad(Node* node) {
   DCHECK(node->opcode() == IrOpcode::kLoadField ||
          node->opcode() == IrOpcode::kLoadElement);
   if (Node* rep = escape_analysis()->GetReplacement(node)) {
+    jsgraph()

[Benedikt Meurer, 2016/01/05 04:55:58]

Nit: Add EscapeAnalysisReducer::isolate() and/or
EscapeAnalysisReducer::counters() accessors.

[sigurds, 2016/01/05 09:22:26]

Done.

+        ->isolate()
+        ->counters()
+        ->turbo_escape_loads_replaced()
+        ->Increment();
     if (FLAG_trace_turbo_escape) {
       PrintF("Replaced #%d (%s) with #%d (%s)\n", node->id(),
              node->op()->mnemonic(), rep->id(), rep->op()->mnemonic());
     }
     ReplaceWithValue(node, rep);
     return Changed(rep);
   }
   return NoChange();
 }
 
@@ skipping 10 matching lines @@
     return Changed(node);
   }
   return NoChange();
 }
 
 
 Reduction EscapeAnalysisReducer::ReduceAllocate(Node* node) {
   DCHECK_EQ(node->opcode(), IrOpcode::kAllocate);
   if (escape_analysis()->IsVirtual(node)) {
     RelaxEffectsAndControls(node);
+    jsgraph()

[Benedikt Meurer, 2016/01/05 04:55:58]

Nit: Add EscapeAnalysisReducer::isolate() and/or
EscapeAnalysisReducer::counters() accessors.

[sigurds, 2016/01/05 09:22:26]

Done.

+        ->isolate()
+        ->counters()
+        ->turbo_escape_allocs_replaced()
+        ->Increment();
     if (FLAG_trace_turbo_escape) {
       PrintF("Removed allocate #%d from effect chain\n", node->id());
     }
     return Changed(node);
   }
   return NoChange();
 }
 
 
 Reduction EscapeAnalysisReducer::ReduceFinishRegion(Node* node) {
@@ skipping 90 matching lines @@
       }
     }
   }
   return r;
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8