[Interpreter] TurboFan implementation of intrinsics.

test/cctest/interpreter/test-interpreter.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/v8.h"
 
 #include "src/execution.h"
 #include "src/handles.h"
 #include "src/interpreter/bytecode-array-builder.h"
 #include "src/interpreter/interpreter.h"
 #include "test/cctest/cctest.h"
+#include "test/cctest/interpreter/interpreter-tester.h"
 #include "test/cctest/test-feedback-vector.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
 
-static MaybeHandle<Object> CallInterpreter(Isolate* isolate,
-                                           Handle<JSFunction> function) {
-  return Execution::Call(isolate, function,
-                         isolate->factory()->undefined_value(), 0, nullptr);
-}
-
-
-template <class... A>
-static MaybeHandle<Object> CallInterpreter(Isolate* isolate,
-                                           Handle<JSFunction> function,
-                                           A... args) {
-  Handle<Object> argv[] = { args... };
-  return Execution::Call(isolate, function,
-                         isolate->factory()->undefined_value(), sizeof...(args),
-                         argv);
-}
-
-
-template <class... A>
-class InterpreterCallable {
- public:
-  InterpreterCallable(Isolate* isolate, Handle<JSFunction> function)
-      : isolate_(isolate), function_(function) {}
-  virtual ~InterpreterCallable() {}
-
-  MaybeHandle<Object> operator()(A... args) {
-    return CallInterpreter(isolate_, function_, args...);
-  }
-
- private:
-  Isolate* isolate_;
-  Handle<JSFunction> function_;
-};
-
-
-static const char* kFunctionName = "f";
-
-
-class InterpreterTester {
- public:
-  InterpreterTester(Isolate* isolate, const char* source,
-                    MaybeHandle<BytecodeArray> bytecode,
-                    MaybeHandle<TypeFeedbackVector> feedback_vector,
-                    const char* filter)
-      : isolate_(isolate),
-        source_(source),
-        bytecode_(bytecode),
-        feedback_vector_(feedback_vector) {
-    i::FLAG_ignition = true;
-    i::FLAG_always_opt = false;
-    // Set ignition filter flag via SetFlagsFromString to avoid double-free
-    // (or potential leak with StrDup() based on ownership confusion).
-    ScopedVector<char> ignition_filter(64);
-    SNPrintF(ignition_filter, "--ignition-filter=%s", filter);
-    FlagList::SetFlagsFromString(ignition_filter.start(),
-                                 ignition_filter.length());
-    // Ensure handler table is generated.
-    isolate->interpreter()->Initialize();
-  }
-
-  InterpreterTester(Isolate* isolate, Handle<BytecodeArray> bytecode,
-                    MaybeHandle<TypeFeedbackVector> feedback_vector =
-                        MaybeHandle<TypeFeedbackVector>(),
-                    const char* filter = kFunctionName)
-      : InterpreterTester(isolate, nullptr, bytecode, feedback_vector, filter) {
-  }
-
-
-  InterpreterTester(Isolate* isolate, const char* source,
-                    const char* filter = kFunctionName)
-      : InterpreterTester(isolate, source, MaybeHandle<BytecodeArray>(),
-                          MaybeHandle<TypeFeedbackVector>(), filter) {}
-
-  virtual ~InterpreterTester() {}
-
-  template <class... A>
-  InterpreterCallable<A...> GetCallable() {
-    return InterpreterCallable<A...>(isolate_, GetBytecodeFunction<A...>());
-  }
-
-  Local<Message> CheckThrowsReturnMessage() {
-    TryCatch try_catch(reinterpret_cast<v8::Isolate*>(isolate_));
-    auto callable = GetCallable<>();
-    MaybeHandle<Object> no_result = callable();
-    CHECK(isolate_->has_pending_exception());
-    CHECK(try_catch.HasCaught());
-    CHECK(no_result.is_null());
-    isolate_->OptionalRescheduleException(true);
-    CHECK(!try_catch.Message().IsEmpty());
-    return try_catch.Message();
-  }
-
-  static Handle<Object> NewObject(const char* script) {
-    return v8::Utils::OpenHandle(*CompileRun(script));
-  }
-
-  static Handle<String> GetName(Isolate* isolate, const char* name) {
-    Handle<String> result = isolate->factory()->NewStringFromAsciiChecked(name);
-    return isolate->factory()->string_table()->LookupString(isolate, result);
-  }
-
-  static std::string SourceForBody(const char* body) {
-    return "function " + function_name() + "() {\n" + std::string(body) + "\n}";
-  }
-
-  static std::string function_name() {
-    return std::string(kFunctionName);
-  }
-
- private:
-  Isolate* isolate_;
-  const char* source_;
-  MaybeHandle<BytecodeArray> bytecode_;
-  MaybeHandle<TypeFeedbackVector> feedback_vector_;
-
-  template <class... A>
-  Handle<JSFunction> GetBytecodeFunction() {
-    Handle<JSFunction> function;
-    if (source_) {
-      CompileRun(source_);
-      v8::Local<v8::Context> context =
-          v8::Isolate::GetCurrent()->GetCurrentContext();
-      Local<Function> api_function =
-          Local<Function>::Cast(CcTest::global()
-                                    ->Get(context, v8_str(kFunctionName))
-                                    .ToLocalChecked());
-      function = Handle<JSFunction>::cast(v8::Utils::OpenHandle(*api_function));
-    } else {
-      int arg_count = sizeof...(A);
-      std::string source("(function " + function_name() + "(");
-      for (int i = 0; i < arg_count; i++) {
-        source += i == 0 ? "a" : ", a";
-      }
-      source += "){})";
-      function = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
-          *v8::Local<v8::Function>::Cast(CompileRun(source.c_str()))));
-      function->ReplaceCode(
-          *isolate_->builtins()->InterpreterEntryTrampoline());
-    }
-
-    if (!bytecode_.is_null()) {
-      function->shared()->set_function_data(*bytecode_.ToHandleChecked());
-    }
-    if (!feedback_vector_.is_null()) {
-      function->shared()->set_feedback_vector(
-          *feedback_vector_.ToHandleChecked());
-    }
-    return function;
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(InterpreterTester);
-};
-
-
 TEST(InterpreterReturn) {
   HandleAndZoneScope handles;
   Handle<Object> undefined_value =
       handles.main_isolate()->factory()->undefined_value();
 
   BytecodeArrayBuilder builder(handles.main_isolate(), handles.main_zone(), 1,
                                0, 0);
   builder.Return();
   Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
 
@@ skipping 1449 matching lines @@
       .Return();
   Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
 
   InterpreterTester tester(handles.main_isolate(), bytecode_array);
   auto callable = tester.GetCallable<>();
 
   Handle<Object> return_val = callable().ToHandleChecked();
   CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(55));
 }
 
+TEST(InterpreterInvokeIntrinsic) {
+  HandleAndZoneScope handles;
+
+  BytecodeArrayBuilder builder(handles.main_isolate(), handles.main_zone(), 1,
+                               0, 2);
+  builder.LoadLiteral(Smi::FromInt(15))
+      .StoreAccumulatorInRegister(Register(0))
+      .CallRuntime(Runtime::kInlineIsArray, Register(0), 1)
+      .Return();
+  Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
+
+  InterpreterTester tester(handles.main_isolate(), bytecode_array);
+  auto callable = tester.GetCallable<>();
+
+  Handle<Object> return_val = callable().ToHandleChecked();
+  CHECK(return_val->IsBoolean());
+  CHECK_EQ(return_val->BooleanValue(), false);
+}
 
 TEST(InterpreterFunctionLiteral) {
   HandleAndZoneScope handles;
 
   // Test calling a function literal.
   std::string source(
       "function " + InterpreterTester::function_name() + "(a) {\n"
       "  return (function(x){ return x + 2; })(a);\n"
       "}");
   InterpreterTester tester(handles.main_isolate(), source.c_str());
@@ skipping 2588 matching lines @@
     Handle<i::Object> return_value = callable().ToHandleChecked();
     CHECK(return_value->SameValue(*const_decl[i].second));
   }
 
   FLAG_legacy_const = old_flag_legacy_const;
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8