882f8c6b89
Bug: v8:7790 Change-Id: I9a770fd6861c216121aef88f0119698edc0e224e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1763537 Commit-Queue: Georg Neis <neis@chromium.org> Commit-Queue: Maya Lekova <mslekova@chromium.org> Auto-Submit: Georg Neis <neis@chromium.org> Reviewed-by: Maya Lekova <mslekova@chromium.org> Cr-Commit-Position: refs/heads/master@{#63316}
135 lines
4.5 KiB
C++
135 lines
4.5 KiB
C++
// Copyright 2015 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/access-builder.h"
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#include "src/compiler/diamond.h"
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#include "src/compiler/js-graph.h"
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#include "src/compiler/js-intrinsic-lowering.h"
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#include "src/compiler/js-operator.h"
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#include "test/unittests/compiler/graph-unittest.h"
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#include "test/unittests/compiler/node-test-utils.h"
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#include "testing/gmock-support.h"
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using testing::_;
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using testing::AllOf;
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using testing::BitEq;
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using testing::Capture;
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using testing::CaptureEq;
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namespace v8 {
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namespace internal {
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namespace compiler {
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class JSIntrinsicLoweringTest : public GraphTest {
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public:
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JSIntrinsicLoweringTest() : GraphTest(3), javascript_(zone()) {}
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~JSIntrinsicLoweringTest() override = default;
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protected:
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Reduction Reduce(Node* node) {
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MachineOperatorBuilder machine(zone(),
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MachineType::PointerRepresentation());
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SimplifiedOperatorBuilder simplified(zone());
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JSGraph jsgraph(isolate(), graph(), common(), javascript(), &simplified,
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&machine);
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// TODO(titzer): mock the GraphReducer here for better unit testing.
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GraphReducer graph_reducer(zone(), graph(), tick_counter());
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JSIntrinsicLowering reducer(&graph_reducer, &jsgraph, broker());
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return reducer.Reduce(node);
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}
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JSOperatorBuilder* javascript() { return &javascript_; }
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private:
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JSOperatorBuilder javascript_;
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};
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// -----------------------------------------------------------------------------
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// %_IsSmi
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TEST_F(JSIntrinsicLoweringTest, InlineIsSmi) {
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Node* const input = Parameter(0);
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Node* const context = Parameter(1);
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Node* const effect = graph()->start();
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Node* const control = graph()->start();
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Reduction const r = Reduce(
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graph()->NewNode(javascript()->CallRuntime(Runtime::kInlineIsSmi, 1),
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input, context, effect, control));
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ASSERT_TRUE(r.Changed());
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EXPECT_THAT(r.replacement(), IsObjectIsSmi(input));
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}
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// -----------------------------------------------------------------------------
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// %_IsArray
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TEST_F(JSIntrinsicLoweringTest, InlineIsArray) {
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Node* const input = Parameter(0);
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Node* const context = Parameter(1);
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Node* const effect = graph()->start();
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Node* const control = graph()->start();
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Reduction const r = Reduce(
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graph()->NewNode(javascript()->CallRuntime(Runtime::kInlineIsArray, 1),
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input, context, effect, control));
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ASSERT_TRUE(r.Changed());
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Node* phi = r.replacement();
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Capture<Node*> branch, if_false;
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EXPECT_THAT(
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phi,
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IsPhi(
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MachineRepresentation::kTagged, IsFalseConstant(),
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IsNumberEqual(IsLoadField(AccessBuilder::ForMapInstanceType(),
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IsLoadField(AccessBuilder::ForMap(), input,
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effect, CaptureEq(&if_false)),
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_, _),
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IsNumberConstant(JS_ARRAY_TYPE)),
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IsMerge(IsIfTrue(AllOf(CaptureEq(&branch),
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IsBranch(IsObjectIsSmi(input), control))),
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AllOf(CaptureEq(&if_false), IsIfFalse(CaptureEq(&branch))))));
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}
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// -----------------------------------------------------------------------------
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// %_IsJSReceiver
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TEST_F(JSIntrinsicLoweringTest, InlineIsJSReceiver) {
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Node* const input = Parameter(0);
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Node* const context = Parameter(1);
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Node* const effect = graph()->start();
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Node* const control = graph()->start();
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Reduction const r = Reduce(graph()->NewNode(
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javascript()->CallRuntime(Runtime::kInlineIsJSReceiver, 1), input,
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context, effect, control));
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ASSERT_TRUE(r.Changed());
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EXPECT_THAT(r.replacement(), IsObjectIsReceiver(input));
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}
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// -----------------------------------------------------------------------------
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// %_CreateJSGeneratorObject
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TEST_F(JSIntrinsicLoweringTest, InlineCreateJSGeneratorObject) {
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Node* const function = Parameter(0);
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Node* const receiver = Parameter(1);
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Node* const context = Parameter(2);
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Node* const effect = graph()->start();
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Node* const control = graph()->start();
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Reduction const r = Reduce(graph()->NewNode(
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javascript()->CallRuntime(Runtime::kInlineCreateJSGeneratorObject, 2),
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function, receiver, context, effect, control));
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ASSERT_TRUE(r.Changed());
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EXPECT_EQ(IrOpcode::kJSCreateGeneratorObject,
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r.replacement()->op()->opcode());
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}
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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