be286bfa19
... and consult it there from the various reducers. The flag makes no sense without the broker and the reducers already have access to the broker, so we can avoid an additional flag per reducer. Bug: v8:7790 Change-Id: I448050a55951b94d5313c1a79a502be906b98b25 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2013108 Auto-Submit: Georg Neis <neis@chromium.org> Reviewed-by: Maya Lekova <mslekova@chromium.org> Commit-Queue: Maya Lekova <mslekova@chromium.org> Cr-Commit-Position: refs/heads/master@{#65918}
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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