Add %_IncrementStatsCounter intrinsic.

test/cctest/compiler/test-run-intrinsics.cc

 // Copyright 2014 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/v8.h"
 
 #include "test/cctest/compiler/function-tester.h"
 
 using namespace v8::internal;
 using namespace v8::internal::compiler;
@@ skipping 31 matching lines @@
   FunctionTester T("(function(a) { return %_HeapObjectGetMap(a); })", flags);
 
   Factory* factory = T.main_isolate()->factory();
   T.CheckCall(factory->null_map(), T.null());
   T.CheckCall(factory->undefined_map(), T.undefined());
   T.CheckCall(factory->heap_number_map(), T.Val(3.1415));
   T.CheckCall(factory->symbol_map(), factory->NewSymbol());
 }
 
 
+#define COUNTER_NAME "hurz"
+
+static int* LookupCounter(const char* name) {
+  static int counter = 1234;
+  return strcmp(name, COUNTER_NAME) == 0 ? &counter : nullptr;
+}
+
+
+TEST(IncrementStatsCounter) {
+  FLAG_turbo_deoptimization = true;
+  FLAG_native_code_counters = true;
+  reinterpret_cast<v8::Isolate*>(CcTest::InitIsolateOnce())
+      ->SetCounterFunction(LookupCounter);
+  FunctionTester T(
+      "(function() { %_IncrementStatsCounter(\"" COUNTER_NAME "\"); })", flags);
+  StatsCounter counter(T.main_isolate(), COUNTER_NAME);
+  if (!counter.Enabled()) return;
+
+  int old_value = *counter.GetInternalPointer();
+  T.CheckCall(T.undefined());
+  CHECK_EQ(old_value + 1, *counter.GetInternalPointer());
+}
+
+#undef COUNTER_NAME
+
+
 TEST(IsArray) {
   FLAG_turbo_deoptimization = true;
   FunctionTester T("(function(a) { return %_IsArray(a); })", flags);
 
   T.CheckFalse(T.NewObject("(function() {})"));
   T.CheckTrue(T.NewObject("([1])"));
   T.CheckFalse(T.NewObject("({})"));
   T.CheckFalse(T.NewObject("(/x/)"));
   T.CheckFalse(T.undefined());
   T.CheckFalse(T.null());
@@ skipping 253 matching lines @@
 
 TEST(ValueOf) {
   FLAG_turbo_deoptimization = true;
   FunctionTester T("(function(a) { return %_ValueOf(a); })", flags);
 
   T.CheckCall(T.Val("a"), T.Val("a"));
   T.CheckCall(T.Val("b"), T.NewObject("(new String('b'))"));
   T.CheckCall(T.Val(123), T.Val(123));
   T.CheckCall(T.Val(456), T.NewObject("(new Number(456))"));
 }