4f64af2fa6
The test had an effect phi with one effect input connected to a loop with two control inputs. Also, the Terminate node was used by the effect phi. Review URL: https://codereview.chromium.org/1398763002 Cr-Commit-Position: refs/heads/master@{#31193}
1143 lines
39 KiB
C++
1143 lines
39 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/common-operator.h"
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#include "src/compiler/graph.h"
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#include "src/compiler/graph-visualizer.h"
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#include "src/compiler/js-operator.h"
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#include "src/compiler/node.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/schedule.h"
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#include "src/compiler/scheduler.h"
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#include "src/compiler/simplified-operator.h"
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#include "src/compiler/verifier.h"
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#include "test/unittests/compiler/compiler-test-utils.h"
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#include "test/unittests/test-utils.h"
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#include "testing/gmock/include/gmock/gmock.h"
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using testing::AnyOf;
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namespace v8 {
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namespace internal {
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namespace compiler {
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class SchedulerTest : public TestWithIsolateAndZone {
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public:
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SchedulerTest()
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: graph_(zone()), common_(zone()), simplified_(zone()), js_(zone()) {}
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Schedule* ComputeAndVerifySchedule(size_t expected) {
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if (FLAG_trace_turbo) {
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OFStream os(stdout);
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os << AsDOT(*graph());
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}
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Schedule* schedule =
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Scheduler::ComputeSchedule(zone(), graph(), Scheduler::kSplitNodes);
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if (FLAG_trace_turbo_scheduler) {
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OFStream os(stdout);
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os << *schedule << std::endl;
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}
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ScheduleVerifier::Run(schedule);
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EXPECT_EQ(expected, GetScheduledNodeCount(schedule));
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return schedule;
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}
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size_t GetScheduledNodeCount(const Schedule* schedule) {
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size_t node_count = 0;
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for (auto block : *schedule->rpo_order()) {
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node_count += block->NodeCount();
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if (block->control() != BasicBlock::kNone) ++node_count;
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}
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return node_count;
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}
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Graph* graph() { return &graph_; }
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CommonOperatorBuilder* common() { return &common_; }
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SimplifiedOperatorBuilder* simplified() { return &simplified_; }
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JSOperatorBuilder* js() { return &js_; }
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private:
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Graph graph_;
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CommonOperatorBuilder common_;
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SimplifiedOperatorBuilder simplified_;
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JSOperatorBuilder js_;
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};
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class SchedulerRPOTest : public SchedulerTest {
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public:
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SchedulerRPOTest() {}
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// TODO(titzer): pull RPO tests out to their own file.
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void CheckRPONumbers(BasicBlockVector* order, size_t expected,
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bool loops_allowed) {
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CHECK(expected == order->size());
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for (int i = 0; i < static_cast<int>(order->size()); i++) {
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CHECK(order->at(i)->rpo_number() == i);
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if (!loops_allowed) {
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CHECK(!order->at(i)->loop_end());
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CHECK(!order->at(i)->loop_header());
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}
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}
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}
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void CheckLoop(BasicBlockVector* order, BasicBlock** blocks, int body_size) {
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BasicBlock* header = blocks[0];
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BasicBlock* end = header->loop_end();
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CHECK(end);
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CHECK_GT(end->rpo_number(), 0);
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CHECK_EQ(body_size, end->rpo_number() - header->rpo_number());
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for (int i = 0; i < body_size; i++) {
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CHECK_GE(blocks[i]->rpo_number(), header->rpo_number());
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CHECK_LT(blocks[i]->rpo_number(), end->rpo_number());
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CHECK(header->LoopContains(blocks[i]));
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CHECK(header->IsLoopHeader() || blocks[i]->loop_header() == header);
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}
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if (header->rpo_number() > 0) {
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CHECK_NE(order->at(header->rpo_number() - 1)->loop_header(), header);
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}
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if (end->rpo_number() < static_cast<int>(order->size())) {
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CHECK_NE(order->at(end->rpo_number())->loop_header(), header);
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}
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}
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struct TestLoop {
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int count;
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BasicBlock** nodes;
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BasicBlock* header() { return nodes[0]; }
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BasicBlock* last() { return nodes[count - 1]; }
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~TestLoop() { delete[] nodes; }
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};
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TestLoop* CreateLoop(Schedule* schedule, int count) {
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TestLoop* loop = new TestLoop();
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loop->count = count;
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loop->nodes = new BasicBlock* [count];
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for (int i = 0; i < count; i++) {
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loop->nodes[i] = schedule->NewBasicBlock();
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if (i > 0) {
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schedule->AddSuccessorForTesting(loop->nodes[i - 1], loop->nodes[i]);
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}
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}
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schedule->AddSuccessorForTesting(loop->nodes[count - 1], loop->nodes[0]);
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return loop;
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}
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};
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namespace {
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const Operator kHeapConstant(IrOpcode::kHeapConstant, Operator::kPure,
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"HeapConstant", 0, 0, 0, 1, 0, 0);
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const Operator kIntAdd(IrOpcode::kInt32Add, Operator::kPure, "Int32Add", 2, 0,
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0, 1, 0, 0);
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const Operator kMockCall(IrOpcode::kCall, Operator::kNoProperties, "MockCall",
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0, 0, 1, 1, 1, 2);
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const Operator kMockTailCall(IrOpcode::kTailCall, Operator::kNoProperties,
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"MockTailCall", 1, 1, 1, 0, 0, 1);
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} // namespace
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// -----------------------------------------------------------------------------
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// Special reverse-post-order block ordering.
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TEST_F(SchedulerRPOTest, Degenerate1) {
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Schedule schedule(zone());
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 1, false);
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EXPECT_EQ(schedule.start(), order->at(0));
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}
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TEST_F(SchedulerRPOTest, Degenerate2) {
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Schedule schedule(zone());
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schedule.AddGoto(schedule.start(), schedule.end());
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 2, false);
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EXPECT_EQ(schedule.start(), order->at(0));
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EXPECT_EQ(schedule.end(), order->at(1));
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}
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TEST_F(SchedulerRPOTest, Line) {
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for (int i = 0; i < 10; i++) {
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Schedule schedule(zone());
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BasicBlock* last = schedule.start();
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for (int j = 0; j < i; j++) {
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BasicBlock* block = schedule.NewBasicBlock();
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block->set_deferred(i & 1);
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schedule.AddGoto(last, block);
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last = block;
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}
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 1 + i, false);
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for (size_t i = 0; i < schedule.BasicBlockCount(); i++) {
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BasicBlock* block = schedule.GetBlockById(BasicBlock::Id::FromSize(i));
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if (block->rpo_number() >= 0 && block->SuccessorCount() == 1) {
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EXPECT_EQ(block->rpo_number() + 1, block->SuccessorAt(0)->rpo_number());
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}
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}
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}
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}
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TEST_F(SchedulerRPOTest, SelfLoop) {
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Schedule schedule(zone());
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schedule.AddSuccessorForTesting(schedule.start(), schedule.start());
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 1, true);
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BasicBlock* loop[] = {schedule.start()};
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CheckLoop(order, loop, 1);
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}
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TEST_F(SchedulerRPOTest, EntryLoop) {
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Schedule schedule(zone());
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BasicBlock* body = schedule.NewBasicBlock();
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schedule.AddSuccessorForTesting(schedule.start(), body);
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schedule.AddSuccessorForTesting(body, schedule.start());
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 2, true);
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BasicBlock* loop[] = {schedule.start(), body};
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CheckLoop(order, loop, 2);
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}
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TEST_F(SchedulerRPOTest, EndLoop) {
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Schedule schedule(zone());
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base::SmartPointer<TestLoop> loop1(CreateLoop(&schedule, 2));
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schedule.AddSuccessorForTesting(schedule.start(), loop1->header());
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 3, true);
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CheckLoop(order, loop1->nodes, loop1->count);
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}
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TEST_F(SchedulerRPOTest, EndLoopNested) {
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Schedule schedule(zone());
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base::SmartPointer<TestLoop> loop1(CreateLoop(&schedule, 2));
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schedule.AddSuccessorForTesting(schedule.start(), loop1->header());
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schedule.AddSuccessorForTesting(loop1->last(), schedule.start());
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 3, true);
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CheckLoop(order, loop1->nodes, loop1->count);
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}
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TEST_F(SchedulerRPOTest, Diamond) {
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Schedule schedule(zone());
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BasicBlock* A = schedule.start();
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BasicBlock* B = schedule.NewBasicBlock();
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BasicBlock* C = schedule.NewBasicBlock();
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BasicBlock* D = schedule.end();
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schedule.AddSuccessorForTesting(A, B);
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schedule.AddSuccessorForTesting(A, C);
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schedule.AddSuccessorForTesting(B, D);
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schedule.AddSuccessorForTesting(C, D);
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 4, false);
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EXPECT_EQ(0, A->rpo_number());
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EXPECT_THAT(B->rpo_number(), AnyOf(1, 2));
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EXPECT_THAT(C->rpo_number(), AnyOf(1, 2));
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EXPECT_EQ(3, D->rpo_number());
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}
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TEST_F(SchedulerRPOTest, Loop1) {
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Schedule schedule(zone());
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BasicBlock* A = schedule.start();
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BasicBlock* B = schedule.NewBasicBlock();
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BasicBlock* C = schedule.NewBasicBlock();
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BasicBlock* D = schedule.end();
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schedule.AddSuccessorForTesting(A, B);
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schedule.AddSuccessorForTesting(B, C);
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schedule.AddSuccessorForTesting(C, B);
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schedule.AddSuccessorForTesting(C, D);
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 4, true);
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BasicBlock* loop[] = {B, C};
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CheckLoop(order, loop, 2);
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}
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TEST_F(SchedulerRPOTest, Loop2) {
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Schedule schedule(zone());
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BasicBlock* A = schedule.start();
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BasicBlock* B = schedule.NewBasicBlock();
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BasicBlock* C = schedule.NewBasicBlock();
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BasicBlock* D = schedule.end();
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schedule.AddSuccessorForTesting(A, B);
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schedule.AddSuccessorForTesting(B, C);
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schedule.AddSuccessorForTesting(C, B);
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schedule.AddSuccessorForTesting(B, D);
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 4, true);
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BasicBlock* loop[] = {B, C};
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CheckLoop(order, loop, 2);
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}
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TEST_F(SchedulerRPOTest, LoopN) {
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for (int i = 0; i < 11; i++) {
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Schedule schedule(zone());
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BasicBlock* A = schedule.start();
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BasicBlock* B = schedule.NewBasicBlock();
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BasicBlock* C = schedule.NewBasicBlock();
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BasicBlock* D = schedule.NewBasicBlock();
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BasicBlock* E = schedule.NewBasicBlock();
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BasicBlock* F = schedule.NewBasicBlock();
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BasicBlock* G = schedule.end();
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schedule.AddSuccessorForTesting(A, B);
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schedule.AddSuccessorForTesting(B, C);
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schedule.AddSuccessorForTesting(C, D);
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schedule.AddSuccessorForTesting(D, E);
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schedule.AddSuccessorForTesting(E, F);
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schedule.AddSuccessorForTesting(F, B);
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schedule.AddSuccessorForTesting(B, G);
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// Throw in extra backedges from time to time.
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if (i == 1) schedule.AddSuccessorForTesting(B, B);
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if (i == 2) schedule.AddSuccessorForTesting(C, B);
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if (i == 3) schedule.AddSuccessorForTesting(D, B);
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if (i == 4) schedule.AddSuccessorForTesting(E, B);
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if (i == 5) schedule.AddSuccessorForTesting(F, B);
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// Throw in extra loop exits from time to time.
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if (i == 6) schedule.AddSuccessorForTesting(B, G);
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if (i == 7) schedule.AddSuccessorForTesting(C, G);
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if (i == 8) schedule.AddSuccessorForTesting(D, G);
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if (i == 9) schedule.AddSuccessorForTesting(E, G);
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if (i == 10) schedule.AddSuccessorForTesting(F, G);
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 7, true);
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BasicBlock* loop[] = {B, C, D, E, F};
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CheckLoop(order, loop, 5);
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}
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}
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TEST_F(SchedulerRPOTest, LoopNest1) {
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Schedule schedule(zone());
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BasicBlock* A = schedule.start();
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BasicBlock* B = schedule.NewBasicBlock();
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BasicBlock* C = schedule.NewBasicBlock();
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BasicBlock* D = schedule.NewBasicBlock();
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BasicBlock* E = schedule.NewBasicBlock();
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BasicBlock* F = schedule.end();
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schedule.AddSuccessorForTesting(A, B);
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schedule.AddSuccessorForTesting(B, C);
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schedule.AddSuccessorForTesting(C, D);
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schedule.AddSuccessorForTesting(D, C);
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schedule.AddSuccessorForTesting(D, E);
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schedule.AddSuccessorForTesting(E, B);
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schedule.AddSuccessorForTesting(E, F);
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 6, true);
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BasicBlock* loop1[] = {B, C, D, E};
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CheckLoop(order, loop1, 4);
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BasicBlock* loop2[] = {C, D};
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CheckLoop(order, loop2, 2);
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}
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TEST_F(SchedulerRPOTest, LoopNest2) {
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Schedule schedule(zone());
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BasicBlock* A = schedule.start();
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BasicBlock* B = schedule.NewBasicBlock();
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BasicBlock* C = schedule.NewBasicBlock();
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BasicBlock* D = schedule.NewBasicBlock();
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BasicBlock* E = schedule.NewBasicBlock();
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BasicBlock* F = schedule.NewBasicBlock();
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BasicBlock* G = schedule.NewBasicBlock();
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BasicBlock* H = schedule.end();
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schedule.AddSuccessorForTesting(A, B);
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schedule.AddSuccessorForTesting(B, C);
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schedule.AddSuccessorForTesting(C, D);
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schedule.AddSuccessorForTesting(D, E);
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schedule.AddSuccessorForTesting(E, F);
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schedule.AddSuccessorForTesting(F, G);
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schedule.AddSuccessorForTesting(G, H);
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schedule.AddSuccessorForTesting(E, D);
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schedule.AddSuccessorForTesting(F, C);
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schedule.AddSuccessorForTesting(G, B);
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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CheckRPONumbers(order, 8, true);
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BasicBlock* loop1[] = {B, C, D, E, F, G};
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CheckLoop(order, loop1, 6);
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BasicBlock* loop2[] = {C, D, E, F};
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CheckLoop(order, loop2, 4);
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BasicBlock* loop3[] = {D, E};
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CheckLoop(order, loop3, 2);
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}
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TEST_F(SchedulerRPOTest, LoopFollow1) {
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Schedule schedule(zone());
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base::SmartPointer<TestLoop> loop1(CreateLoop(&schedule, 1));
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base::SmartPointer<TestLoop> loop2(CreateLoop(&schedule, 1));
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BasicBlock* A = schedule.start();
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BasicBlock* E = schedule.end();
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schedule.AddSuccessorForTesting(A, loop1->header());
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schedule.AddSuccessorForTesting(loop1->header(), loop2->header());
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schedule.AddSuccessorForTesting(loop2->last(), E);
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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EXPECT_EQ(schedule.BasicBlockCount(), order->size());
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CheckLoop(order, loop1->nodes, loop1->count);
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CheckLoop(order, loop2->nodes, loop2->count);
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}
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TEST_F(SchedulerRPOTest, LoopFollow2) {
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Schedule schedule(zone());
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base::SmartPointer<TestLoop> loop1(CreateLoop(&schedule, 1));
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base::SmartPointer<TestLoop> loop2(CreateLoop(&schedule, 1));
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BasicBlock* A = schedule.start();
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BasicBlock* S = schedule.NewBasicBlock();
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BasicBlock* E = schedule.end();
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schedule.AddSuccessorForTesting(A, loop1->header());
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schedule.AddSuccessorForTesting(loop1->header(), S);
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schedule.AddSuccessorForTesting(S, loop2->header());
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schedule.AddSuccessorForTesting(loop2->last(), E);
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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EXPECT_EQ(schedule.BasicBlockCount(), order->size());
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CheckLoop(order, loop1->nodes, loop1->count);
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CheckLoop(order, loop2->nodes, loop2->count);
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}
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TEST_F(SchedulerRPOTest, LoopFollowN) {
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for (int size = 1; size < 5; size++) {
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for (int exit = 0; exit < size; exit++) {
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Schedule schedule(zone());
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base::SmartPointer<TestLoop> loop1(CreateLoop(&schedule, size));
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base::SmartPointer<TestLoop> loop2(CreateLoop(&schedule, size));
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BasicBlock* A = schedule.start();
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BasicBlock* E = schedule.end();
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schedule.AddSuccessorForTesting(A, loop1->header());
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schedule.AddSuccessorForTesting(loop1->nodes[exit], loop2->header());
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schedule.AddSuccessorForTesting(loop2->nodes[exit], E);
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BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
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EXPECT_EQ(schedule.BasicBlockCount(), order->size());
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CheckLoop(order, loop1->nodes, loop1->count);
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CheckLoop(order, loop2->nodes, loop2->count);
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}
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}
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}
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TEST_F(SchedulerRPOTest, NestedLoopFollow1) {
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Schedule schedule(zone());
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base::SmartPointer<TestLoop> loop1(CreateLoop(&schedule, 1));
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base::SmartPointer<TestLoop> loop2(CreateLoop(&schedule, 1));
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BasicBlock* A = schedule.start();
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BasicBlock* B = schedule.NewBasicBlock();
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BasicBlock* C = schedule.NewBasicBlock();
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BasicBlock* E = schedule.end();
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schedule.AddSuccessorForTesting(A, B);
|
|
schedule.AddSuccessorForTesting(B, loop1->header());
|
|
schedule.AddSuccessorForTesting(loop1->header(), loop2->header());
|
|
schedule.AddSuccessorForTesting(loop2->last(), C);
|
|
schedule.AddSuccessorForTesting(C, E);
|
|
schedule.AddSuccessorForTesting(C, B);
|
|
|
|
BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
|
|
|
|
EXPECT_EQ(schedule.BasicBlockCount(), order->size());
|
|
CheckLoop(order, loop1->nodes, loop1->count);
|
|
CheckLoop(order, loop2->nodes, loop2->count);
|
|
|
|
BasicBlock* loop3[] = {B, loop1->nodes[0], loop2->nodes[0], C};
|
|
CheckLoop(order, loop3, 4);
|
|
}
|
|
|
|
|
|
TEST_F(SchedulerRPOTest, LoopBackedges1) {
|
|
int size = 8;
|
|
for (int i = 0; i < size; i++) {
|
|
for (int j = 0; j < size; j++) {
|
|
Schedule schedule(zone());
|
|
BasicBlock* A = schedule.start();
|
|
BasicBlock* E = schedule.end();
|
|
|
|
base::SmartPointer<TestLoop> loop1(CreateLoop(&schedule, size));
|
|
schedule.AddSuccessorForTesting(A, loop1->header());
|
|
schedule.AddSuccessorForTesting(loop1->last(), E);
|
|
|
|
schedule.AddSuccessorForTesting(loop1->nodes[i], loop1->header());
|
|
schedule.AddSuccessorForTesting(loop1->nodes[j], E);
|
|
|
|
BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
|
|
CheckRPONumbers(order, schedule.BasicBlockCount(), true);
|
|
CheckLoop(order, loop1->nodes, loop1->count);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
TEST_F(SchedulerRPOTest, LoopOutedges1) {
|
|
int size = 8;
|
|
for (int i = 0; i < size; i++) {
|
|
for (int j = 0; j < size; j++) {
|
|
Schedule schedule(zone());
|
|
BasicBlock* A = schedule.start();
|
|
BasicBlock* D = schedule.NewBasicBlock();
|
|
BasicBlock* E = schedule.end();
|
|
|
|
base::SmartPointer<TestLoop> loop1(CreateLoop(&schedule, size));
|
|
schedule.AddSuccessorForTesting(A, loop1->header());
|
|
schedule.AddSuccessorForTesting(loop1->last(), E);
|
|
|
|
schedule.AddSuccessorForTesting(loop1->nodes[i], loop1->header());
|
|
schedule.AddSuccessorForTesting(loop1->nodes[j], D);
|
|
schedule.AddSuccessorForTesting(D, E);
|
|
|
|
BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
|
|
CheckRPONumbers(order, schedule.BasicBlockCount(), true);
|
|
CheckLoop(order, loop1->nodes, loop1->count);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
TEST_F(SchedulerRPOTest, LoopOutedges2) {
|
|
int size = 8;
|
|
for (int i = 0; i < size; i++) {
|
|
Schedule schedule(zone());
|
|
BasicBlock* A = schedule.start();
|
|
BasicBlock* E = schedule.end();
|
|
|
|
base::SmartPointer<TestLoop> loop1(CreateLoop(&schedule, size));
|
|
schedule.AddSuccessorForTesting(A, loop1->header());
|
|
schedule.AddSuccessorForTesting(loop1->last(), E);
|
|
|
|
for (int j = 0; j < size; j++) {
|
|
BasicBlock* O = schedule.NewBasicBlock();
|
|
schedule.AddSuccessorForTesting(loop1->nodes[j], O);
|
|
schedule.AddSuccessorForTesting(O, E);
|
|
}
|
|
|
|
BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
|
|
CheckRPONumbers(order, schedule.BasicBlockCount(), true);
|
|
CheckLoop(order, loop1->nodes, loop1->count);
|
|
}
|
|
}
|
|
|
|
|
|
TEST_F(SchedulerRPOTest, LoopOutloops1) {
|
|
int size = 8;
|
|
for (int i = 0; i < size; i++) {
|
|
Schedule schedule(zone());
|
|
BasicBlock* A = schedule.start();
|
|
BasicBlock* E = schedule.end();
|
|
base::SmartPointer<TestLoop> loop1(CreateLoop(&schedule, size));
|
|
schedule.AddSuccessorForTesting(A, loop1->header());
|
|
schedule.AddSuccessorForTesting(loop1->last(), E);
|
|
|
|
TestLoop** loopN = new TestLoop* [size];
|
|
for (int j = 0; j < size; j++) {
|
|
loopN[j] = CreateLoop(&schedule, 2);
|
|
schedule.AddSuccessorForTesting(loop1->nodes[j], loopN[j]->header());
|
|
schedule.AddSuccessorForTesting(loopN[j]->last(), E);
|
|
}
|
|
|
|
BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
|
|
CheckRPONumbers(order, schedule.BasicBlockCount(), true);
|
|
CheckLoop(order, loop1->nodes, loop1->count);
|
|
|
|
for (int j = 0; j < size; j++) {
|
|
CheckLoop(order, loopN[j]->nodes, loopN[j]->count);
|
|
delete loopN[j];
|
|
}
|
|
delete[] loopN;
|
|
}
|
|
}
|
|
|
|
|
|
TEST_F(SchedulerRPOTest, LoopMultibackedge) {
|
|
Schedule schedule(zone());
|
|
|
|
BasicBlock* A = schedule.start();
|
|
BasicBlock* B = schedule.NewBasicBlock();
|
|
BasicBlock* C = schedule.NewBasicBlock();
|
|
BasicBlock* D = schedule.NewBasicBlock();
|
|
BasicBlock* E = schedule.NewBasicBlock();
|
|
|
|
schedule.AddSuccessorForTesting(A, B);
|
|
schedule.AddSuccessorForTesting(B, C);
|
|
schedule.AddSuccessorForTesting(B, D);
|
|
schedule.AddSuccessorForTesting(B, E);
|
|
schedule.AddSuccessorForTesting(C, B);
|
|
schedule.AddSuccessorForTesting(D, B);
|
|
schedule.AddSuccessorForTesting(E, B);
|
|
|
|
BasicBlockVector* order = Scheduler::ComputeSpecialRPO(zone(), &schedule);
|
|
CheckRPONumbers(order, 5, true);
|
|
|
|
BasicBlock* loop1[] = {B, C, D, E};
|
|
CheckLoop(order, loop1, 4);
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Graph end-to-end scheduling.
|
|
|
|
|
|
TEST_F(SchedulerTest, BuildScheduleEmpty) {
|
|
graph()->SetStart(graph()->NewNode(common()->Start(0)));
|
|
graph()->SetEnd(graph()->NewNode(common()->End(1), graph()->start()));
|
|
USE(Scheduler::ComputeSchedule(zone(), graph(), Scheduler::kNoFlags));
|
|
}
|
|
|
|
|
|
TEST_F(SchedulerTest, BuildScheduleOneParameter) {
|
|
graph()->SetStart(graph()->NewNode(common()->Start(0)));
|
|
|
|
Node* p1 = graph()->NewNode(common()->Parameter(0), graph()->start());
|
|
Node* ret = graph()->NewNode(common()->Return(), p1, graph()->start(),
|
|
graph()->start());
|
|
|
|
graph()->SetEnd(graph()->NewNode(common()->End(1), ret));
|
|
|
|
USE(Scheduler::ComputeSchedule(zone(), graph(), Scheduler::kNoFlags));
|
|
}
|
|
|
|
|
|
namespace {
|
|
|
|
Node* CreateDiamond(Graph* graph, CommonOperatorBuilder* common, Node* cond) {
|
|
Node* tv = graph->NewNode(common->Int32Constant(6));
|
|
Node* fv = graph->NewNode(common->Int32Constant(7));
|
|
Node* br = graph->NewNode(common->Branch(), cond, graph->start());
|
|
Node* t = graph->NewNode(common->IfTrue(), br);
|
|
Node* f = graph->NewNode(common->IfFalse(), br);
|
|
Node* m = graph->NewNode(common->Merge(2), t, f);
|
|
Node* phi = graph->NewNode(common->Phi(kMachAnyTagged, 2), tv, fv, m);
|
|
return phi;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, FloatingDiamond1) {
|
|
Node* start = graph()->NewNode(common()->Start(1));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
Node* d1 = CreateDiamond(graph(), common(), p0);
|
|
Node* ret = graph()->NewNode(common()->Return(), d1, start, start);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(13);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, FloatingDiamond2) {
|
|
Node* start = graph()->NewNode(common()->Start(2));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
Node* p1 = graph()->NewNode(common()->Parameter(1), start);
|
|
Node* d1 = CreateDiamond(graph(), common(), p0);
|
|
Node* d2 = CreateDiamond(graph(), common(), p1);
|
|
Node* add = graph()->NewNode(&kIntAdd, d1, d2);
|
|
Node* ret = graph()->NewNode(common()->Return(), add, start, start);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(24);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, FloatingDiamond3) {
|
|
Node* start = graph()->NewNode(common()->Start(2));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
Node* p1 = graph()->NewNode(common()->Parameter(1), start);
|
|
Node* d1 = CreateDiamond(graph(), common(), p0);
|
|
Node* d2 = CreateDiamond(graph(), common(), p1);
|
|
Node* add = graph()->NewNode(&kIntAdd, d1, d2);
|
|
Node* d3 = CreateDiamond(graph(), common(), add);
|
|
Node* ret = graph()->NewNode(common()->Return(), d3, start, start);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(33);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, NestedFloatingDiamonds) {
|
|
Node* start = graph()->NewNode(common()->Start(2));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
|
|
Node* fv = graph()->NewNode(common()->Int32Constant(7));
|
|
Node* br = graph()->NewNode(common()->Branch(), p0, graph()->start());
|
|
Node* t = graph()->NewNode(common()->IfTrue(), br);
|
|
Node* f = graph()->NewNode(common()->IfFalse(), br);
|
|
|
|
Node* map = graph()->NewNode(
|
|
simplified()->LoadElement(AccessBuilder::ForFixedArrayElement()), p0, p0,
|
|
start, f);
|
|
Node* br1 = graph()->NewNode(common()->Branch(), map, graph()->start());
|
|
Node* t1 = graph()->NewNode(common()->IfTrue(), br1);
|
|
Node* f1 = graph()->NewNode(common()->IfFalse(), br1);
|
|
Node* m1 = graph()->NewNode(common()->Merge(2), t1, f1);
|
|
Node* ttrue = graph()->NewNode(common()->Int32Constant(1));
|
|
Node* ffalse = graph()->NewNode(common()->Int32Constant(0));
|
|
Node* phi1 =
|
|
graph()->NewNode(common()->Phi(kMachAnyTagged, 2), ttrue, ffalse, m1);
|
|
|
|
|
|
Node* m = graph()->NewNode(common()->Merge(2), t, f);
|
|
Node* phi = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), fv, phi1, m);
|
|
Node* ephi1 = graph()->NewNode(common()->EffectPhi(2), start, map, m);
|
|
|
|
Node* ret = graph()->NewNode(common()->Return(), phi, ephi1, start);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(23);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, NestedFloatingDiamondWithChain) {
|
|
Node* start = graph()->NewNode(common()->Start(2));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
Node* p1 = graph()->NewNode(common()->Parameter(1), start);
|
|
Node* c = graph()->NewNode(common()->Int32Constant(7));
|
|
|
|
Node* brA1 = graph()->NewNode(common()->Branch(), p0, graph()->start());
|
|
Node* tA1 = graph()->NewNode(common()->IfTrue(), brA1);
|
|
Node* fA1 = graph()->NewNode(common()->IfFalse(), brA1);
|
|
Node* mA1 = graph()->NewNode(common()->Merge(2), tA1, fA1);
|
|
Node* phiA1 = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), p0, p1, mA1);
|
|
|
|
Node* brB1 = graph()->NewNode(common()->Branch(), p1, graph()->start());
|
|
Node* tB1 = graph()->NewNode(common()->IfTrue(), brB1);
|
|
Node* fB1 = graph()->NewNode(common()->IfFalse(), brB1);
|
|
Node* mB1 = graph()->NewNode(common()->Merge(2), tB1, fB1);
|
|
Node* phiB1 = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), p0, p1, mB1);
|
|
|
|
Node* brA2 = graph()->NewNode(common()->Branch(), phiB1, mA1);
|
|
Node* tA2 = graph()->NewNode(common()->IfTrue(), brA2);
|
|
Node* fA2 = graph()->NewNode(common()->IfFalse(), brA2);
|
|
Node* mA2 = graph()->NewNode(common()->Merge(2), tA2, fA2);
|
|
Node* phiA2 =
|
|
graph()->NewNode(common()->Phi(kMachAnyTagged, 2), phiB1, c, mA2);
|
|
|
|
Node* brB2 = graph()->NewNode(common()->Branch(), phiA1, mB1);
|
|
Node* tB2 = graph()->NewNode(common()->IfTrue(), brB2);
|
|
Node* fB2 = graph()->NewNode(common()->IfFalse(), brB2);
|
|
Node* mB2 = graph()->NewNode(common()->Merge(2), tB2, fB2);
|
|
Node* phiB2 =
|
|
graph()->NewNode(common()->Phi(kMachAnyTagged, 2), phiA1, c, mB2);
|
|
|
|
Node* add = graph()->NewNode(&kIntAdd, phiA2, phiB2);
|
|
Node* ret = graph()->NewNode(common()->Return(), add, start, start);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(36);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, NestedFloatingDiamondWithLoop) {
|
|
Node* start = graph()->NewNode(common()->Start(2));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
|
|
Node* fv = graph()->NewNode(common()->Int32Constant(7));
|
|
Node* br = graph()->NewNode(common()->Branch(), p0, graph()->start());
|
|
Node* t = graph()->NewNode(common()->IfTrue(), br);
|
|
Node* f = graph()->NewNode(common()->IfFalse(), br);
|
|
|
|
Node* loop = graph()->NewNode(common()->Loop(2), f, start);
|
|
Node* ind = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), p0, p0, loop);
|
|
|
|
Node* add = graph()->NewNode(&kIntAdd, ind, fv);
|
|
Node* br1 = graph()->NewNode(common()->Branch(), add, loop);
|
|
Node* t1 = graph()->NewNode(common()->IfTrue(), br1);
|
|
Node* f1 = graph()->NewNode(common()->IfFalse(), br1);
|
|
|
|
loop->ReplaceInput(1, t1); // close loop.
|
|
ind->ReplaceInput(1, ind); // close induction variable.
|
|
|
|
Node* m = graph()->NewNode(common()->Merge(2), t, f1);
|
|
Node* phi = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), fv, ind, m);
|
|
|
|
Node* ret = graph()->NewNode(common()->Return(), phi, start, start);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(20);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, LoopedFloatingDiamond1) {
|
|
Node* start = graph()->NewNode(common()->Start(2));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
|
|
Node* c = graph()->NewNode(common()->Int32Constant(7));
|
|
Node* loop = graph()->NewNode(common()->Loop(2), start, start);
|
|
Node* ind = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), p0, p0, loop);
|
|
Node* add = graph()->NewNode(&kIntAdd, ind, c);
|
|
|
|
Node* br = graph()->NewNode(common()->Branch(), add, loop);
|
|
Node* t = graph()->NewNode(common()->IfTrue(), br);
|
|
Node* f = graph()->NewNode(common()->IfFalse(), br);
|
|
|
|
Node* br1 = graph()->NewNode(common()->Branch(), p0, graph()->start());
|
|
Node* t1 = graph()->NewNode(common()->IfTrue(), br1);
|
|
Node* f1 = graph()->NewNode(common()->IfFalse(), br1);
|
|
Node* m1 = graph()->NewNode(common()->Merge(2), t1, f1);
|
|
Node* phi1 = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), add, p0, m1);
|
|
|
|
loop->ReplaceInput(1, t); // close loop.
|
|
ind->ReplaceInput(1, phi1); // close induction variable.
|
|
|
|
Node* ret = graph()->NewNode(common()->Return(), ind, start, f);
|
|
Node* end = graph()->NewNode(common()->End(2), ret, f);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(20);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, LoopedFloatingDiamond2) {
|
|
Node* start = graph()->NewNode(common()->Start(2));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
|
|
Node* c = graph()->NewNode(common()->Int32Constant(7));
|
|
Node* loop = graph()->NewNode(common()->Loop(2), start, start);
|
|
Node* ind = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), p0, p0, loop);
|
|
|
|
Node* br1 = graph()->NewNode(common()->Branch(), p0, graph()->start());
|
|
Node* t1 = graph()->NewNode(common()->IfTrue(), br1);
|
|
Node* f1 = graph()->NewNode(common()->IfFalse(), br1);
|
|
Node* m1 = graph()->NewNode(common()->Merge(2), t1, f1);
|
|
Node* phi1 = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), c, ind, m1);
|
|
|
|
Node* add = graph()->NewNode(&kIntAdd, ind, phi1);
|
|
|
|
Node* br = graph()->NewNode(common()->Branch(), add, loop);
|
|
Node* t = graph()->NewNode(common()->IfTrue(), br);
|
|
Node* f = graph()->NewNode(common()->IfFalse(), br);
|
|
|
|
loop->ReplaceInput(1, t); // close loop.
|
|
ind->ReplaceInput(1, add); // close induction variable.
|
|
|
|
Node* ret = graph()->NewNode(common()->Return(), ind, start, f);
|
|
Node* end = graph()->NewNode(common()->End(2), ret, f);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(20);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, LoopedFloatingDiamond3) {
|
|
Node* start = graph()->NewNode(common()->Start(2));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
|
|
Node* c = graph()->NewNode(common()->Int32Constant(7));
|
|
Node* loop = graph()->NewNode(common()->Loop(2), start, start);
|
|
Node* ind = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), p0, p0, loop);
|
|
|
|
Node* br1 = graph()->NewNode(common()->Branch(), p0, graph()->start());
|
|
Node* t1 = graph()->NewNode(common()->IfTrue(), br1);
|
|
Node* f1 = graph()->NewNode(common()->IfFalse(), br1);
|
|
|
|
Node* loop1 = graph()->NewNode(common()->Loop(2), t1, start);
|
|
Node* ind1 = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), p0, p0, loop);
|
|
|
|
Node* add1 = graph()->NewNode(&kIntAdd, ind1, c);
|
|
Node* br2 = graph()->NewNode(common()->Branch(), add1, loop1);
|
|
Node* t2 = graph()->NewNode(common()->IfTrue(), br2);
|
|
Node* f2 = graph()->NewNode(common()->IfFalse(), br2);
|
|
|
|
loop1->ReplaceInput(1, t2); // close inner loop.
|
|
ind1->ReplaceInput(1, ind1); // close inner induction variable.
|
|
|
|
Node* m1 = graph()->NewNode(common()->Merge(2), f1, f2);
|
|
Node* phi1 = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), c, ind1, m1);
|
|
|
|
Node* add = graph()->NewNode(&kIntAdd, ind, phi1);
|
|
|
|
Node* br = graph()->NewNode(common()->Branch(), add, loop);
|
|
Node* t = graph()->NewNode(common()->IfTrue(), br);
|
|
Node* f = graph()->NewNode(common()->IfFalse(), br);
|
|
|
|
loop->ReplaceInput(1, t); // close loop.
|
|
ind->ReplaceInput(1, add); // close induction variable.
|
|
|
|
Node* ret = graph()->NewNode(common()->Return(), ind, start, f);
|
|
Node* end = graph()->NewNode(common()->End(2), ret, f);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(28);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, PhisPushedDownToDifferentBranches) {
|
|
Node* start = graph()->NewNode(common()->Start(2));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
Node* p1 = graph()->NewNode(common()->Parameter(1), start);
|
|
|
|
Node* v1 = graph()->NewNode(common()->Int32Constant(1));
|
|
Node* v2 = graph()->NewNode(common()->Int32Constant(2));
|
|
Node* v3 = graph()->NewNode(common()->Int32Constant(3));
|
|
Node* v4 = graph()->NewNode(common()->Int32Constant(4));
|
|
Node* br = graph()->NewNode(common()->Branch(), p0, graph()->start());
|
|
Node* t = graph()->NewNode(common()->IfTrue(), br);
|
|
Node* f = graph()->NewNode(common()->IfFalse(), br);
|
|
Node* m = graph()->NewNode(common()->Merge(2), t, f);
|
|
Node* phi = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), v1, v2, m);
|
|
Node* phi2 = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), v3, v4, m);
|
|
|
|
Node* br2 = graph()->NewNode(common()->Branch(), p1, graph()->start());
|
|
Node* t2 = graph()->NewNode(common()->IfTrue(), br2);
|
|
Node* f2 = graph()->NewNode(common()->IfFalse(), br2);
|
|
Node* m2 = graph()->NewNode(common()->Merge(2), t2, f2);
|
|
Node* phi3 =
|
|
graph()->NewNode(common()->Phi(kMachAnyTagged, 2), phi, phi2, m2);
|
|
|
|
Node* ret = graph()->NewNode(common()->Return(), phi3, start, start);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(24);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, BranchHintTrue) {
|
|
Node* start = graph()->NewNode(common()->Start(1));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
Node* tv = graph()->NewNode(common()->Int32Constant(6));
|
|
Node* fv = graph()->NewNode(common()->Int32Constant(7));
|
|
Node* br = graph()->NewNode(common()->Branch(BranchHint::kTrue), p0, start);
|
|
Node* t = graph()->NewNode(common()->IfTrue(), br);
|
|
Node* f = graph()->NewNode(common()->IfFalse(), br);
|
|
Node* m = graph()->NewNode(common()->Merge(2), t, f);
|
|
Node* phi = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), tv, fv, m);
|
|
Node* ret = graph()->NewNode(common()->Return(), phi, start, start);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
Schedule* schedule = ComputeAndVerifySchedule(13);
|
|
// Make sure the false block is marked as deferred.
|
|
EXPECT_FALSE(schedule->block(t)->deferred());
|
|
EXPECT_TRUE(schedule->block(f)->deferred());
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, BranchHintFalse) {
|
|
Node* start = graph()->NewNode(common()->Start(1));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
Node* tv = graph()->NewNode(common()->Int32Constant(6));
|
|
Node* fv = graph()->NewNode(common()->Int32Constant(7));
|
|
Node* br = graph()->NewNode(common()->Branch(BranchHint::kFalse), p0, start);
|
|
Node* t = graph()->NewNode(common()->IfTrue(), br);
|
|
Node* f = graph()->NewNode(common()->IfFalse(), br);
|
|
Node* m = graph()->NewNode(common()->Merge(2), t, f);
|
|
Node* phi = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), tv, fv, m);
|
|
Node* ret = graph()->NewNode(common()->Return(), phi, start, start);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
Schedule* schedule = ComputeAndVerifySchedule(13);
|
|
// Make sure the true block is marked as deferred.
|
|
EXPECT_TRUE(schedule->block(t)->deferred());
|
|
EXPECT_FALSE(schedule->block(f)->deferred());
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, CallException) {
|
|
Node* start = graph()->NewNode(common()->Start(1));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
Node* c1 = graph()->NewNode(&kMockCall, start);
|
|
Node* ok1 = graph()->NewNode(common()->IfSuccess(), c1);
|
|
Node* ex1 = graph()->NewNode(
|
|
common()->IfException(IfExceptionHint::kLocallyUncaught), c1, c1);
|
|
Node* c2 = graph()->NewNode(&kMockCall, ok1);
|
|
Node* ok2 = graph()->NewNode(common()->IfSuccess(), c2);
|
|
Node* ex2 = graph()->NewNode(
|
|
common()->IfException(IfExceptionHint::kLocallyUncaught), c2, c2);
|
|
Node* hdl = graph()->NewNode(common()->Merge(2), ex1, ex2);
|
|
Node* m = graph()->NewNode(common()->Merge(2), ok2, hdl);
|
|
Node* phi = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), c2, p0, m);
|
|
Node* ret = graph()->NewNode(common()->Return(), phi, start, m);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
Schedule* schedule = ComputeAndVerifySchedule(17);
|
|
// Make sure the exception blocks as well as the handler are deferred.
|
|
EXPECT_TRUE(schedule->block(ex1)->deferred());
|
|
EXPECT_TRUE(schedule->block(ex2)->deferred());
|
|
EXPECT_TRUE(schedule->block(hdl)->deferred());
|
|
EXPECT_FALSE(schedule->block(m)->deferred());
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, TailCall) {
|
|
Node* start = graph()->NewNode(common()->Start(1));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
Node* call = graph()->NewNode(&kMockTailCall, p0, start, start);
|
|
Node* end = graph()->NewNode(common()->End(1), call);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(4);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, Switch) {
|
|
Node* start = graph()->NewNode(common()->Start(1));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
Node* sw = graph()->NewNode(common()->Switch(3), p0, start);
|
|
Node* c0 = graph()->NewNode(common()->IfValue(0), sw);
|
|
Node* v0 = graph()->NewNode(common()->Int32Constant(11));
|
|
Node* c1 = graph()->NewNode(common()->IfValue(1), sw);
|
|
Node* v1 = graph()->NewNode(common()->Int32Constant(22));
|
|
Node* d = graph()->NewNode(common()->IfDefault(), sw);
|
|
Node* vd = graph()->NewNode(common()->Int32Constant(33));
|
|
Node* m = graph()->NewNode(common()->Merge(3), c0, c1, d);
|
|
Node* phi = graph()->NewNode(common()->Phi(kMachInt32, 3), v0, v1, vd, m);
|
|
Node* ret = graph()->NewNode(common()->Return(), phi, start, m);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(16);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, FloatingSwitch) {
|
|
Node* start = graph()->NewNode(common()->Start(1));
|
|
graph()->SetStart(start);
|
|
|
|
Node* p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
Node* sw = graph()->NewNode(common()->Switch(3), p0, start);
|
|
Node* c0 = graph()->NewNode(common()->IfValue(0), sw);
|
|
Node* v0 = graph()->NewNode(common()->Int32Constant(11));
|
|
Node* c1 = graph()->NewNode(common()->IfValue(1), sw);
|
|
Node* v1 = graph()->NewNode(common()->Int32Constant(22));
|
|
Node* d = graph()->NewNode(common()->IfDefault(), sw);
|
|
Node* vd = graph()->NewNode(common()->Int32Constant(33));
|
|
Node* m = graph()->NewNode(common()->Merge(3), c0, c1, d);
|
|
Node* phi = graph()->NewNode(common()->Phi(kMachInt32, 3), v0, v1, vd, m);
|
|
Node* ret = graph()->NewNode(common()->Return(), phi, start, start);
|
|
Node* end = graph()->NewNode(common()->End(1), ret);
|
|
|
|
graph()->SetEnd(end);
|
|
|
|
ComputeAndVerifySchedule(16);
|
|
}
|
|
|
|
|
|
TARGET_TEST_F(SchedulerTest, Terminate) {
|
|
Node* start = graph()->NewNode(common()->Start(1));
|
|
graph()->SetStart(start);
|
|
|
|
Node* loop = graph()->NewNode(common()->Loop(2), start, start);
|
|
loop->ReplaceInput(1, loop); // self loop, NTL.
|
|
|
|
Node* effect = graph()->NewNode(common()->EffectPhi(2), start, start, loop);
|
|
effect->ReplaceInput(1, effect); // self loop.
|
|
|
|
Node* terminate = graph()->NewNode(common()->Terminate(), effect, loop);
|
|
Node* end = graph()->NewNode(common()->End(1), terminate);
|
|
graph()->SetEnd(end);
|
|
|
|
Schedule* schedule = ComputeAndVerifySchedule(6);
|
|
BasicBlock* block = schedule->block(loop);
|
|
EXPECT_EQ(block, schedule->block(effect));
|
|
EXPECT_GE(block->rpo_number(), 0);
|
|
}
|
|
|
|
} // namespace compiler
|
|
} // namespace internal
|
|
} // namespace v8
|