[turbofan] Add performance counters for escape analysis

src/counters.h

 // Copyright 2012 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.
 
 #ifndef V8_COUNTERS_H_
 #define V8_COUNTERS_H_
 
 #include "include/v8.h"
 #include "src/allocation.h"
 #include "src/base/platform/elapsed-timer.h"
@@ skipping 696 matching lines @@
   SC(old_space_bytes_committed, V8.MemoryOldSpaceBytesCommitted)               \
   SC(old_space_bytes_used, V8.MemoryOldSpaceBytesUsed)                         \
   SC(code_space_bytes_available, V8.MemoryCodeSpaceBytesAvailable)             \
   SC(code_space_bytes_committed, V8.MemoryCodeSpaceBytesCommitted)             \
   SC(code_space_bytes_used, V8.MemoryCodeSpaceBytesUsed)                       \
   SC(map_space_bytes_available, V8.MemoryMapSpaceBytesAvailable)               \
   SC(map_space_bytes_committed, V8.MemoryMapSpaceBytesCommitted)               \
   SC(map_space_bytes_used, V8.MemoryMapSpaceBytesUsed)                         \
   SC(lo_space_bytes_available, V8.MemoryLoSpaceBytesAvailable)                 \
   SC(lo_space_bytes_committed, V8.MemoryLoSpaceBytesCommitted)                 \
-  SC(lo_space_bytes_used, V8.MemoryLoSpaceBytesUsed)
+  SC(lo_space_bytes_used, V8.MemoryLoSpaceBytesUsed)                           \
+  SC(turbo_escape_allocs_replaced, V8.TurboEscapeAllocsReplaced)               \
+  SC(crankshaft_escape_allocs_replaced, V8.CrankshaftEscapeAllocsReplaced)     \
+  SC(turbo_escape_loads_replaced, V8.TurboEscapeLoadsReplaced)                 \
+  SC(crankshaft_escape_loads_replaced, V8.CrankshaftEscapeLoadsReplaced)
 
 
 // This file contains all the v8 counters that are in use.
 class Counters {
  public:
 #define HR(name, caption, min, max, num_buckets) \
   Histogram* name() { return &name##_; }
   HISTOGRAM_RANGE_LIST(HR)
 #undef HR
 
@@ skipping 164 matching lines @@
 
   explicit Counters(Isolate* isolate);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(Counters);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COUNTERS_H_