Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/test/unittests/interpreter/bytecode-array-iterator-unittest.cc b/test/unittests/interpreter/bytecode-array-iterator-unittest.cc
new file mode 100644
index 0000000..cd9f120
--- /dev/null
+++ b/test/unittests/interpreter/bytecode-array-iterator-unittest.cc
@@ -0,0 +1,113 @@
+// 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/interpreter/bytecode-array-builder.h"
+#include "src/interpreter/bytecode-array-iterator.h"
+#include "test/unittests/test-utils.h"
+
+namespace v8 {
+namespace internal {
+namespace interpreter {
+
+class BytecodeArrayIteratorTest : public TestWithIsolateAndZone {
+ public:
+ BytecodeArrayIteratorTest() {}
+ ~BytecodeArrayIteratorTest() override {}
+};
+
+
+TEST_F(BytecodeArrayIteratorTest, IteratesBytecodeArray) {
+ // Use a builder to create an array with containing multiple bytecodes
+ // with 0, 1 and 2 operands.
+ BytecodeArrayBuilder builder(isolate(), zone());
+ builder.set_parameter_count(3);
+ builder.set_locals_count(2);
+ builder.set_context_count(0);
+
+ Factory* factory = isolate()->factory();
+ Handle<HeapObject> heap_num_0 = factory->NewHeapNumber(2.718);
+ Handle<HeapObject> heap_num_1 = factory->NewHeapNumber(2147483647);
+ Smi* zero = Smi::FromInt(0);
+ Smi* smi_0 = Smi::FromInt(64);
+ Smi* smi_1 = Smi::FromInt(-65536);
+ Register reg_0(0);
+ Register reg_1(1);
+ Register reg_2 = Register::FromParameterIndex(2, builder.parameter_count());
+ Handle<String> name = factory->NewStringFromStaticChars("abc");
+ int name_index = 3;
+ int feedback_slot = 97;
+
+ builder.LoadLiteral(heap_num_0)
+ .LoadLiteral(heap_num_1)
+ .LoadLiteral(zero)
+ .LoadLiteral(smi_0)
+ .LoadLiteral(smi_1)
+ .LoadAccumulatorWithRegister(reg_0)
+ .LoadNamedProperty(reg_1, name, feedback_slot, LanguageMode::SLOPPY)
+ .StoreAccumulatorInRegister(reg_2)
+ .CallRuntime(Runtime::kLoadIC_Miss, reg_0, 1)
+ .Return();
+
+ // Test iterator sees the expected output from the builder.
+ BytecodeArrayIterator iterator(builder.ToBytecodeArray());
+ CHECK_EQ(iterator.current_bytecode(), Bytecode::kLdaConstant);
+ CHECK(iterator.GetConstantForIndexOperand(0).is_identical_to(heap_num_0));
+ CHECK(!iterator.done());
+ iterator.Advance();
+
+ CHECK_EQ(iterator.current_bytecode(), Bytecode::kLdaConstant);
+ CHECK(iterator.GetConstantForIndexOperand(0).is_identical_to(heap_num_1));
+ CHECK(!iterator.done());
+ iterator.Advance();
+
+ CHECK_EQ(iterator.current_bytecode(), Bytecode::kLdaZero);
+ CHECK(!iterator.done());
+ iterator.Advance();
+
+ CHECK_EQ(iterator.current_bytecode(), Bytecode::kLdaSmi8);
+ CHECK_EQ(Smi::FromInt(iterator.GetImmediateOperand(0)), smi_0);
+ CHECK(!iterator.done());
+ iterator.Advance();
+
+ CHECK_EQ(iterator.current_bytecode(), Bytecode::kLdaConstant);
+ CHECK_EQ(*iterator.GetConstantForIndexOperand(0), smi_1);
+ CHECK(!iterator.done());
+ iterator.Advance();
+
+ CHECK_EQ(iterator.current_bytecode(), Bytecode::kLdar);
+ CHECK_EQ(iterator.GetRegisterOperand(0).index(), reg_0.index());
+ CHECK(!iterator.done());
+ iterator.Advance();
+
+ CHECK_EQ(iterator.current_bytecode(), Bytecode::kLoadICSloppy);
+ CHECK_EQ(iterator.GetRegisterOperand(0).index(), reg_1.index());
+ CHECK_EQ(iterator.GetIndexOperand(1), name_index);
+ CHECK_EQ(iterator.GetIndexOperand(2), feedback_slot);
+ CHECK(!iterator.done());
+ iterator.Advance();
+
+ CHECK_EQ(iterator.current_bytecode(), Bytecode::kStar);
+ CHECK_EQ(iterator.GetRegisterOperand(0).index(), reg_2.index());
+ CHECK(!iterator.done());
+ iterator.Advance();
+
+ CHECK_EQ(iterator.current_bytecode(), Bytecode::kCallRuntime);
+ CHECK_EQ(static_cast<Runtime::FunctionId>(iterator.GetIndexOperand(0)),
+ Runtime::kLoadIC_Miss);
+ CHECK_EQ(iterator.GetRegisterOperand(1).index(), reg_0.index());
+ CHECK_EQ(iterator.GetCountOperand(2), 1);
+ CHECK(!iterator.done());
+ iterator.Advance();
+
+ CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn);
+ CHECK(!iterator.done());
+ iterator.Advance();
+ CHECK(iterator.done());
+}
+
+} // namespace interpreter
+} // namespace internal
+} // namespace v8