662caac9d2
These operators are really pure on the JavaScript level, and were only part of the effect chain to make sure we don't accidentially schedule them right after raw allocations, which is no longer an issue since we now have the concept of atomic regions. R=jarin@chromium.org Review URL: https://codereview.chromium.org/1893543004 Cr-Commit-Position: refs/heads/master@{#35552}
131 lines
5.0 KiB
C++
131 lines
5.0 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/compiler/js-operator.h"
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#include "src/compiler/opcodes.h"
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#include "src/compiler/operator.h"
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#include "src/compiler/operator-properties.h"
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#include "test/unittests/test-utils.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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// -----------------------------------------------------------------------------
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// Shared operators.
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namespace {
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struct SharedOperator {
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const Operator* (JSOperatorBuilder::*constructor)();
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IrOpcode::Value opcode;
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Operator::Properties properties;
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int value_input_count;
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int frame_state_input_count;
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int effect_input_count;
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int control_input_count;
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int value_output_count;
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int effect_output_count;
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int control_output_count;
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};
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const SharedOperator kSharedOperators[] = {
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#define SHARED(Name, properties, value_input_count, frame_state_input_count, \
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effect_input_count, control_input_count, value_output_count, \
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effect_output_count, control_output_count) \
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{ \
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&JSOperatorBuilder::Name, IrOpcode::kJS##Name, properties, \
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value_input_count, frame_state_input_count, effect_input_count, \
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control_input_count, value_output_count, effect_output_count, \
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control_output_count \
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}
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SHARED(Equal, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
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SHARED(NotEqual, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
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SHARED(StrictEqual, Operator::kPure, 2, 0, 0, 0, 1, 0, 0),
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SHARED(StrictNotEqual, Operator::kPure, 2, 0, 0, 0, 1, 0, 0),
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SHARED(LessThan, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
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SHARED(GreaterThan, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
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SHARED(LessThanOrEqual, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
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SHARED(GreaterThanOrEqual, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
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SHARED(ToNumber, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
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SHARED(ToString, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
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SHARED(ToName, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
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SHARED(ToObject, Operator::kFoldable, 1, 1, 1, 1, 1, 1, 2),
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SHARED(Yield, Operator::kNoProperties, 1, 0, 1, 1, 1, 1, 2),
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SHARED(Create, Operator::kEliminatable, 2, 1, 1, 0, 1, 1, 0),
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SHARED(HasProperty, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
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SHARED(TypeOf, Operator::kPure, 1, 0, 0, 0, 1, 0, 0),
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SHARED(InstanceOf, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
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SHARED(CreateWithContext, Operator::kNoProperties, 2, 0, 1, 1, 1, 1, 2),
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SHARED(CreateModuleContext, Operator::kNoProperties, 2, 0, 1, 1, 1, 1, 2),
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#undef SHARED
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};
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std::ostream& operator<<(std::ostream& os, const SharedOperator& sop) {
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return os << IrOpcode::Mnemonic(sop.opcode);
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}
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} // namespace
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class JSSharedOperatorTest
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: public TestWithZone,
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public ::testing::WithParamInterface<SharedOperator> {};
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TEST_P(JSSharedOperatorTest, InstancesAreGloballyShared) {
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const SharedOperator& sop = GetParam();
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JSOperatorBuilder javascript1(zone());
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JSOperatorBuilder javascript2(zone());
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EXPECT_EQ((javascript1.*sop.constructor)(), (javascript2.*sop.constructor)());
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}
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TEST_P(JSSharedOperatorTest, NumberOfInputsAndOutputs) {
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JSOperatorBuilder javascript(zone());
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const SharedOperator& sop = GetParam();
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const Operator* op = (javascript.*sop.constructor)();
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const int context_input_count = 1;
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EXPECT_EQ(sop.value_input_count, op->ValueInputCount());
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EXPECT_EQ(context_input_count, OperatorProperties::GetContextInputCount(op));
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EXPECT_EQ(sop.frame_state_input_count,
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OperatorProperties::GetFrameStateInputCount(op));
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EXPECT_EQ(sop.effect_input_count, op->EffectInputCount());
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EXPECT_EQ(sop.control_input_count, op->ControlInputCount());
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EXPECT_EQ(sop.value_input_count + context_input_count +
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sop.frame_state_input_count + sop.effect_input_count +
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sop.control_input_count,
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OperatorProperties::GetTotalInputCount(op));
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EXPECT_EQ(sop.value_output_count, op->ValueOutputCount());
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EXPECT_EQ(sop.effect_output_count, op->EffectOutputCount());
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EXPECT_EQ(sop.control_output_count, op->ControlOutputCount());
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}
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TEST_P(JSSharedOperatorTest, OpcodeIsCorrect) {
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JSOperatorBuilder javascript(zone());
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const SharedOperator& sop = GetParam();
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const Operator* op = (javascript.*sop.constructor)();
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EXPECT_EQ(sop.opcode, op->opcode());
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}
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TEST_P(JSSharedOperatorTest, Properties) {
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JSOperatorBuilder javascript(zone());
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const SharedOperator& sop = GetParam();
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const Operator* op = (javascript.*sop.constructor)();
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EXPECT_EQ(sop.properties, op->properties());
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}
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INSTANTIATE_TEST_CASE_P(JSOperatorTest, JSSharedOperatorTest,
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::testing::ValuesIn(kSharedOperators));
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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