8b57bdba59
This is a reland of 13141c8a65
... with a fix for an UB issue of passing null pointers to memcpy()
when size is zero.
TBR=leszeks@chromium.org
Original change's description:
> [zone-compr] Introduce ZoneTypeTraits and ZoneCompression
>
> Also move zone compression flags to src/common/globals.h.
>
> Bug: v8:9923
> Change-Id: Id0a77720e735e2669a1e5eef48e1b4866ad99480
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2324255
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Commit-Queue: Igor Sheludko <ishell@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#69160}
Bug: v8:9923
Change-Id: I2245b81516c39ccea262c282c659ef601af57abf
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2332165
Commit-Queue: Igor Sheludko (OOO Aug 3-17) <ishell@chromium.org>
Reviewed-by: Igor Sheludko (OOO Aug 3-17) <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69166}
150 lines
4.1 KiB
C++
150 lines
4.1 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 "test/unittests/compiler/graph-unittest.h"
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#include "src/compiler/js-heap-copy-reducer.h"
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#include "src/compiler/node-properties.h"
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#include "src/heap/factory.h"
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#include "src/objects/objects-inl.h" // TODO(everyone): Make typer.h IWYU compliant.
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#include "test/unittests/compiler/node-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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GraphTest::GraphTest(int num_parameters)
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: TestWithNativeContextAndZone(kCompressGraphZone),
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canonical_(isolate()),
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common_(zone()),
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graph_(zone()),
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broker_(isolate(), zone(), isolate()->NewPersistentHandles()),
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source_positions_(&graph_),
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node_origins_(&graph_) {
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graph()->SetStart(graph()->NewNode(common()->Start(num_parameters)));
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graph()->SetEnd(graph()->NewNode(common()->End(1), graph()->start()));
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broker()->SetTargetNativeContextRef(isolate()->native_context());
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}
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GraphTest::~GraphTest() = default;
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Node* GraphTest::Parameter(int32_t index) {
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return graph()->NewNode(common()->Parameter(index), graph()->start());
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}
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Node* GraphTest::Parameter(Type type, int32_t index) {
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Node* node = GraphTest::Parameter(index);
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NodeProperties::SetType(node, type);
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return node;
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}
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Node* GraphTest::Float32Constant(volatile float value) {
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return graph()->NewNode(common()->Float32Constant(value));
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}
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Node* GraphTest::Float64Constant(volatile double value) {
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return graph()->NewNode(common()->Float64Constant(value));
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}
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Node* GraphTest::Int32Constant(int32_t value) {
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return graph()->NewNode(common()->Int32Constant(value));
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}
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Node* GraphTest::Int64Constant(int64_t value) {
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return graph()->NewNode(common()->Int64Constant(value));
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}
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Node* GraphTest::NumberConstant(volatile double value) {
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return graph()->NewNode(common()->NumberConstant(value));
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}
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Node* GraphTest::HeapConstant(const Handle<HeapObject>& value) {
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Node* node = graph()->NewNode(common()->HeapConstant(value));
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Type type = Type::Constant(broker(), value, zone());
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NodeProperties::SetType(node, type);
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return node;
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}
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Node* GraphTest::FalseConstant() {
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return HeapConstant(factory()->false_value());
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}
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Node* GraphTest::TrueConstant() {
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return HeapConstant(factory()->true_value());
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}
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Node* GraphTest::UndefinedConstant() {
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return HeapConstant(factory()->undefined_value());
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}
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Node* GraphTest::EmptyFrameState() {
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Node* state_values =
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graph()->NewNode(common()->StateValues(0, SparseInputMask::Dense()));
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FrameStateFunctionInfo const* function_info =
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common()->CreateFrameStateFunctionInfo(
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FrameStateType::kInterpretedFunction, 0, 0,
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Handle<SharedFunctionInfo>());
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return graph()->NewNode(
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common()->FrameState(BailoutId::None(), OutputFrameStateCombine::Ignore(),
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function_info),
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state_values, state_values, state_values, NumberConstant(0),
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UndefinedConstant(), graph()->start());
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}
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Matcher<Node*> GraphTest::IsFalseConstant() {
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return IsHeapConstant(factory()->false_value());
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}
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Matcher<Node*> GraphTest::IsTrueConstant() {
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return IsHeapConstant(factory()->true_value());
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}
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Matcher<Node*> GraphTest::IsNullConstant() {
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return IsHeapConstant(factory()->null_value());
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}
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Matcher<Node*> GraphTest::IsUndefinedConstant() {
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return IsHeapConstant(factory()->undefined_value());
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}
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TypedGraphTest::TypedGraphTest(int num_parameters)
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: GraphTest(num_parameters),
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typer_(broker(), Typer::kNoFlags, graph(), tick_counter()) {}
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TypedGraphTest::~TypedGraphTest() = default;
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namespace graph_unittest {
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const Operator kDummyOperator(0, Operator::kNoProperties, "Dummy", 0, 0, 0, 1,
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0, 0);
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TEST_F(GraphTest, NewNode) {
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Node* n0 = graph()->NewNode(&kDummyOperator);
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Node* n1 = graph()->NewNode(&kDummyOperator);
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EXPECT_NE(n0, n1);
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EXPECT_LT(0u, n0->id());
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EXPECT_LT(0u, n1->id());
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EXPECT_NE(n0->id(), n1->id());
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EXPECT_EQ(&kDummyOperator, n0->op());
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EXPECT_EQ(&kDummyOperator, n1->op());
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}
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} // namespace graph_unittest
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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