[turbofan] CodeAssembler is now able to generate calls of JavaScript objects.

test/cctest/compiler/test-code-assembler.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/code-assembler.h"
 #include "src/isolate.h"
 #include "test/cctest/compiler/code-assembler-tester.h"
 #include "test/cctest/compiler/function-tester.h"
 
 namespace v8 {
@@ skipping 106 matching lines @@
   Node* context = m.HeapConstant(Handle<Context>(isolate->native_context()));
   Node* a = SmiTag(m, m.Int32Constant(2));
   Node* b = SmiTag(m, m.Int32Constant(4));
   m.TailCallRuntime(Runtime::kMathPow, context, a, b);
   Handle<Code> code = m.GenerateCode();
   FunctionTester ft(descriptor, code);
   MaybeHandle<Object> result = ft.Call();
   CHECK_EQ(16, Handle<Smi>::cast(result.ToHandleChecked())->value());
 }
 
+namespace {
+
+Handle<JSFunction> CreateSumAllArgumentsFunction(FunctionTester& ft) {
+  const char* source =
+      "(function() {\n"
+      "  var sum = 0 + this;\n"
+      "  for (var i = 0; i < arguments.length; i++) {\n"
+      "    sum += arguments[i];\n"
+      "  }\n"
+      "  return sum;\n"
+      "})";
+  return ft.NewFunction(source);
+}
+
+}  // namespace
+
+TEST(SimpleCallJSFunction0Arg) {
+  Isolate* isolate(CcTest::InitIsolateOnce());
+  const int kNumParams = 1;
+  CodeAssemblerTester m(isolate, kNumParams);
+  {
+    Node* function = m.Parameter(0);
+    Node* context = m.Parameter(kNumParams + 2);
+
+    Node* receiver = SmiTag(m, m.Int32Constant(42));
+
+    Callable callable = CodeFactory::Call(isolate);
+    Node* result = m.CallJS(callable, context, function, receiver);
+    m.Return(result);
+  }
+  Handle<Code> code = m.GenerateCode();
+  FunctionTester ft(code, kNumParams);
+
+  Handle<JSFunction> sum = CreateSumAllArgumentsFunction(ft);
+  MaybeHandle<Object> result = ft.Call(sum);
+  CHECK_EQ(Smi::FromInt(42), *result.ToHandleChecked());
+}
+
+TEST(SimpleCallJSFunction1Arg) {
+  Isolate* isolate(CcTest::InitIsolateOnce());
+  const int kNumParams = 2;
+  CodeAssemblerTester m(isolate, kNumParams);
+  {
+    Node* function = m.Parameter(0);
+    Node* context = m.Parameter(1);
+
+    Node* receiver = SmiTag(m, m.Int32Constant(42));
+    Node* a = SmiTag(m, m.Int32Constant(13));
+
+    Callable callable = CodeFactory::Call(isolate);
+    Node* result = m.CallJS(callable, context, function, receiver, a);
+    m.Return(result);
+  }
+  Handle<Code> code = m.GenerateCode();
+  FunctionTester ft(code, kNumParams);
+
+  Handle<JSFunction> sum = CreateSumAllArgumentsFunction(ft);
+  MaybeHandle<Object> result = ft.Call(sum);
+  CHECK_EQ(Smi::FromInt(55), *result.ToHandleChecked());
+}
+
+TEST(SimpleCallJSFunction2Arg) {
+  Isolate* isolate(CcTest::InitIsolateOnce());
+  const int kNumParams = 2;
+  CodeAssemblerTester m(isolate, kNumParams);
+  {
+    Node* function = m.Parameter(0);
+    Node* context = m.Parameter(1);
+
+    Node* receiver = SmiTag(m, m.Int32Constant(42));
+    Node* a = SmiTag(m, m.Int32Constant(13));
+    Node* b = SmiTag(m, m.Int32Constant(153));
+
+    Callable callable = CodeFactory::Call(isolate);
+    Node* result = m.CallJS(callable, context, function, receiver, a, b);
+    m.Return(result);
+  }
+  Handle<Code> code = m.GenerateCode();
+  FunctionTester ft(code, kNumParams);
+
+  Handle<JSFunction> sum = CreateSumAllArgumentsFunction(ft);
+  MaybeHandle<Object> result = ft.Call(sum);
+  CHECK_EQ(Smi::FromInt(208), *result.ToHandleChecked());
+}
+
 TEST(VariableMerge1) {
   Isolate* isolate(CcTest::InitIsolateOnce());
   VoidDescriptor descriptor(isolate);
   CodeAssemblerTester m(isolate, descriptor);
   CodeStubAssembler::Variable var1(&m, MachineRepresentation::kTagged);
   CodeStubAssembler::Label l1(&m), l2(&m), merge(&m);
   Node* temp = m.Int32Constant(0);
   var1.Bind(temp);
   m.Branch(m.Int32Constant(1), &l1, &l2);
   m.Bind(&l1);
@@ skipping 207 matching lines @@
     var_object.Bind(m.IntPtrConstant(66));
     m.Goto(&block1);
   }
   m.Bind(&block1);
   CHECK(!m.GenerateCode().is_null());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8