Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(628)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: test/cctest/compiler/compiler/test-scheduler.cc

Issue 423313004: Remove accidental duplication in cctest suite. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « test/cctest/compiler/compiler/test-schedule.cc ('k') | test/cctest/compiler/compiler/test-simplified-lowering.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: test/cctest/compiler/compiler/test-scheduler.cc
diff --git a/test/cctest/compiler/compiler/test-scheduler.cc b/test/cctest/compiler/compiler/test-scheduler.cc
deleted file mode 100644
index 6b56f108cc0108dfd9aaf2e66cc2adba04b48ffc..0000000000000000000000000000000000000000
--- a/test/cctest/compiler/compiler/test-scheduler.cc
+++ /dev/null
@@ -1,1840 +0,0 @@
-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "src/v8.h"
-#include "test/cctest/cctest.h"
-
-#include "src/compiler/common-operator.h"
-#include "src/compiler/generic-node-inl.h"
-#include "src/compiler/generic-node.h"
-#include "src/compiler/graph.h"
-#include "src/compiler/graph-visualizer.h"
-#include "src/compiler/js-operator.h"
-#include "src/compiler/machine-operator.h"
-#include "src/compiler/node.h"
-#include "src/compiler/operator.h"
-#include "src/compiler/schedule.h"
-#include "src/compiler/scheduler.h"
-
-using namespace v8::internal;
-using namespace v8::internal::compiler;
-
-struct TestLoop {
- int count;
- BasicBlock** nodes;
- BasicBlock* header() { return nodes[0]; }
- BasicBlock* last() { return nodes[count - 1]; }
- ~TestLoop() { delete[] nodes; }
-};
-
-
-static TestLoop* CreateLoop(Schedule* schedule, int count) {
- TestLoop* loop = new TestLoop();
- loop->count = count;
- loop->nodes = new BasicBlock* [count];
- for (int i = 0; i < count; i++) {
- loop->nodes[i] = schedule->NewBasicBlock();
- if (i > 0) schedule->AddSuccessor(loop->nodes[i - 1], loop->nodes[i]);
- }
- schedule->AddSuccessor(loop->nodes[count - 1], loop->nodes[0]);
- return loop;
-}
-
-
-static void CheckRPONumbers(BasicBlockVector* order, int expected,
- bool loops_allowed) {
- CHECK_EQ(expected, static_cast<int>(order->size()));
- for (int i = 0; i < static_cast<int>(order->size()); i++) {
- CHECK(order->at(i)->rpo_number_ == i);
- if (!loops_allowed) CHECK_LT(order->at(i)->loop_end_, 0);
- }
-}
-
-
-static void CheckLoopContains(BasicBlock** blocks, int body_size) {
- BasicBlock* header = blocks[0];
- CHECK_GT(header->loop_end_, 0);
- CHECK_EQ(body_size, (header->loop_end_ - header->rpo_number_));
- for (int i = 0; i < body_size; i++) {
- int num = blocks[i]->rpo_number_;
- CHECK(num >= header->rpo_number_ && num < header->loop_end_);
- CHECK(header->LoopContains(blocks[i]));
- CHECK(header->IsLoopHeader() || blocks[i]->loop_header_ == header);
- }
-}
-
-
-TEST(RPODegenerate1) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 1, false);
- CHECK_EQ(schedule.entry(), order->at(0));
-}
-
-
-TEST(RPODegenerate2) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- schedule.AddGoto(schedule.entry(), schedule.exit());
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 2, false);
- CHECK_EQ(schedule.entry(), order->at(0));
- CHECK_EQ(schedule.exit(), order->at(1));
-}
-
-
-TEST(RPOLine) {
- HandleAndZoneScope scope;
-
- for (int i = 0; i < 10; i++) {
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- BasicBlock* last = schedule.entry();
- for (int j = 0; j < i; j++) {
- BasicBlock* block = schedule.NewBasicBlock();
- schedule.AddGoto(last, block);
- last = block;
- }
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 1 + i, false);
-
- Schedule::BasicBlocks blocks(schedule.all_blocks());
- for (Schedule::BasicBlocks::iterator iter = blocks.begin();
- iter != blocks.end(); ++iter) {
- BasicBlock* block = *iter;
- if (block->rpo_number_ >= 0 && block->SuccessorCount() == 1) {
- CHECK(block->rpo_number_ + 1 == block->SuccessorAt(0)->rpo_number_);
- }
- }
- }
-}
-
-
-TEST(RPOSelfLoop) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
- schedule.AddSuccessor(schedule.entry(), schedule.entry());
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 1, true);
- BasicBlock* loop[] = {schedule.entry()};
- CheckLoopContains(loop, 1);
-}
-
-
-TEST(RPOEntryLoop) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
- schedule.AddSuccessor(schedule.entry(), schedule.exit());
- schedule.AddSuccessor(schedule.exit(), schedule.entry());
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 2, true);
- BasicBlock* loop[] = {schedule.entry(), schedule.exit()};
- CheckLoopContains(loop, 2);
-}
-
-
-TEST(RPOEndLoop) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
- TestLoop* loop1 = CreateLoop(&schedule, 2);
- schedule.AddSuccessor(schedule.entry(), loop1->header());
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 3, true);
- CheckLoopContains(loop1->nodes, loop1->count);
-}
-
-
-TEST(RPOEndLoopNested) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
- TestLoop* loop1 = CreateLoop(&schedule, 2);
- schedule.AddSuccessor(schedule.entry(), loop1->header());
- schedule.AddSuccessor(loop1->last(), schedule.entry());
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 3, true);
- CheckLoopContains(loop1->nodes, loop1->count);
-}
-
-
-TEST(RPODiamond) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- BasicBlock* A = schedule.entry();
- BasicBlock* B = schedule.NewBasicBlock();
- BasicBlock* C = schedule.NewBasicBlock();
- BasicBlock* D = schedule.exit();
-
- schedule.AddSuccessor(A, B);
- schedule.AddSuccessor(A, C);
- schedule.AddSuccessor(B, D);
- schedule.AddSuccessor(C, D);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 4, false);
-
- CHECK_EQ(0, A->rpo_number_);
- CHECK((B->rpo_number_ == 1 && C->rpo_number_ == 2) ||
- (B->rpo_number_ == 2 && C->rpo_number_ == 1));
- CHECK_EQ(3, D->rpo_number_);
-}
-
-
-TEST(RPOLoop1) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- BasicBlock* A = schedule.entry();
- BasicBlock* B = schedule.NewBasicBlock();
- BasicBlock* C = schedule.NewBasicBlock();
- BasicBlock* D = schedule.exit();
-
- schedule.AddSuccessor(A, B);
- schedule.AddSuccessor(B, C);
- schedule.AddSuccessor(C, B);
- schedule.AddSuccessor(C, D);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 4, true);
- BasicBlock* loop[] = {B, C};
- CheckLoopContains(loop, 2);
-}
-
-
-TEST(RPOLoop2) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- BasicBlock* A = schedule.entry();
- BasicBlock* B = schedule.NewBasicBlock();
- BasicBlock* C = schedule.NewBasicBlock();
- BasicBlock* D = schedule.exit();
-
- schedule.AddSuccessor(A, B);
- schedule.AddSuccessor(B, C);
- schedule.AddSuccessor(C, B);
- schedule.AddSuccessor(B, D);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 4, true);
- BasicBlock* loop[] = {B, C};
- CheckLoopContains(loop, 2);
-}
-
-
-TEST(RPOLoopN) {
- HandleAndZoneScope scope;
-
- for (int i = 0; i < 11; i++) {
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
- BasicBlock* A = schedule.entry();
- BasicBlock* B = schedule.NewBasicBlock();
- BasicBlock* C = schedule.NewBasicBlock();
- BasicBlock* D = schedule.NewBasicBlock();
- BasicBlock* E = schedule.NewBasicBlock();
- BasicBlock* F = schedule.NewBasicBlock();
- BasicBlock* G = schedule.exit();
-
- schedule.AddSuccessor(A, B);
- schedule.AddSuccessor(B, C);
- schedule.AddSuccessor(C, D);
- schedule.AddSuccessor(D, E);
- schedule.AddSuccessor(E, F);
- schedule.AddSuccessor(F, B);
- schedule.AddSuccessor(B, G);
-
- // Throw in extra backedges from time to time.
- if (i == 1) schedule.AddSuccessor(B, B);
- if (i == 2) schedule.AddSuccessor(C, B);
- if (i == 3) schedule.AddSuccessor(D, B);
- if (i == 4) schedule.AddSuccessor(E, B);
- if (i == 5) schedule.AddSuccessor(F, B);
-
- // Throw in extra loop exits from time to time.
- if (i == 6) schedule.AddSuccessor(B, G);
- if (i == 7) schedule.AddSuccessor(C, G);
- if (i == 8) schedule.AddSuccessor(D, G);
- if (i == 9) schedule.AddSuccessor(E, G);
- if (i == 10) schedule.AddSuccessor(F, G);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 7, true);
- BasicBlock* loop[] = {B, C, D, E, F};
- CheckLoopContains(loop, 5);
- }
-}
-
-
-TEST(RPOLoopNest1) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- BasicBlock* A = schedule.entry();
- BasicBlock* B = schedule.NewBasicBlock();
- BasicBlock* C = schedule.NewBasicBlock();
- BasicBlock* D = schedule.NewBasicBlock();
- BasicBlock* E = schedule.NewBasicBlock();
- BasicBlock* F = schedule.exit();
-
- schedule.AddSuccessor(A, B);
- schedule.AddSuccessor(B, C);
- schedule.AddSuccessor(C, D);
- schedule.AddSuccessor(D, C);
- schedule.AddSuccessor(D, E);
- schedule.AddSuccessor(E, B);
- schedule.AddSuccessor(E, F);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 6, true);
- BasicBlock* loop1[] = {B, C, D, E};
- CheckLoopContains(loop1, 4);
-
- BasicBlock* loop2[] = {C, D};
- CheckLoopContains(loop2, 2);
-}
-
-
-TEST(RPOLoopNest2) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- BasicBlock* A = schedule.entry();
- BasicBlock* B = schedule.NewBasicBlock();
- BasicBlock* C = schedule.NewBasicBlock();
- BasicBlock* D = schedule.NewBasicBlock();
- BasicBlock* E = schedule.NewBasicBlock();
- BasicBlock* F = schedule.NewBasicBlock();
- BasicBlock* G = schedule.NewBasicBlock();
- BasicBlock* H = schedule.exit();
-
- schedule.AddSuccessor(A, B);
- schedule.AddSuccessor(B, C);
- schedule.AddSuccessor(C, D);
- schedule.AddSuccessor(D, E);
- schedule.AddSuccessor(E, F);
- schedule.AddSuccessor(F, G);
- schedule.AddSuccessor(G, H);
-
- schedule.AddSuccessor(E, D);
- schedule.AddSuccessor(F, C);
- schedule.AddSuccessor(G, B);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 8, true);
- BasicBlock* loop1[] = {B, C, D, E, F, G};
- CheckLoopContains(loop1, 6);
-
- BasicBlock* loop2[] = {C, D, E, F};
- CheckLoopContains(loop2, 4);
-
- BasicBlock* loop3[] = {D, E};
- CheckLoopContains(loop3, 2);
-}
-
-
-TEST(RPOLoopFollow1) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- TestLoop* loop1 = CreateLoop(&schedule, 1);
- TestLoop* loop2 = CreateLoop(&schedule, 1);
-
- BasicBlock* A = schedule.entry();
- BasicBlock* E = schedule.exit();
-
- schedule.AddSuccessor(A, loop1->header());
- schedule.AddSuccessor(loop1->header(), loop2->header());
- schedule.AddSuccessor(loop2->last(), E);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
-
- CheckLoopContains(loop1->nodes, loop1->count);
-
- CHECK_EQ(schedule.BasicBlockCount(), static_cast<int>(order->size()));
- CheckLoopContains(loop1->nodes, loop1->count);
- CheckLoopContains(loop2->nodes, loop2->count);
- delete loop1;
- delete loop2;
-}
-
-
-TEST(RPOLoopFollow2) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- TestLoop* loop1 = CreateLoop(&schedule, 1);
- TestLoop* loop2 = CreateLoop(&schedule, 1);
-
- BasicBlock* A = schedule.entry();
- BasicBlock* S = schedule.NewBasicBlock();
- BasicBlock* E = schedule.exit();
-
- schedule.AddSuccessor(A, loop1->header());
- schedule.AddSuccessor(loop1->header(), S);
- schedule.AddSuccessor(S, loop2->header());
- schedule.AddSuccessor(loop2->last(), E);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
-
- CheckLoopContains(loop1->nodes, loop1->count);
-
- CHECK_EQ(schedule.BasicBlockCount(), static_cast<int>(order->size()));
- CheckLoopContains(loop1->nodes, loop1->count);
- CheckLoopContains(loop2->nodes, loop2->count);
- delete loop1;
- delete loop2;
-}
-
-
-TEST(RPOLoopFollowN) {
- HandleAndZoneScope scope;
-
- for (int size = 1; size < 5; size++) {
- for (int exit = 0; exit < size; exit++) {
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
- TestLoop* loop1 = CreateLoop(&schedule, size);
- TestLoop* loop2 = CreateLoop(&schedule, size);
- BasicBlock* A = schedule.entry();
- BasicBlock* E = schedule.exit();
-
- schedule.AddSuccessor(A, loop1->header());
- schedule.AddSuccessor(loop1->nodes[exit], loop2->header());
- schedule.AddSuccessor(loop2->nodes[exit], E);
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckLoopContains(loop1->nodes, loop1->count);
-
- CHECK_EQ(schedule.BasicBlockCount(), static_cast<int>(order->size()));
- CheckLoopContains(loop1->nodes, loop1->count);
- CheckLoopContains(loop2->nodes, loop2->count);
- delete loop1;
- delete loop2;
- }
- }
-}
-
-
-TEST(RPONestedLoopFollow1) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- TestLoop* loop1 = CreateLoop(&schedule, 1);
- TestLoop* loop2 = CreateLoop(&schedule, 1);
-
- BasicBlock* A = schedule.entry();
- BasicBlock* B = schedule.NewBasicBlock();
- BasicBlock* C = schedule.NewBasicBlock();
- BasicBlock* E = schedule.exit();
-
- schedule.AddSuccessor(A, B);
- schedule.AddSuccessor(B, loop1->header());
- schedule.AddSuccessor(loop1->header(), loop2->header());
- schedule.AddSuccessor(loop2->last(), C);
- schedule.AddSuccessor(C, E);
- schedule.AddSuccessor(C, B);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
-
- CheckLoopContains(loop1->nodes, loop1->count);
-
- CHECK_EQ(schedule.BasicBlockCount(), static_cast<int>(order->size()));
- CheckLoopContains(loop1->nodes, loop1->count);
- CheckLoopContains(loop2->nodes, loop2->count);
-
- BasicBlock* loop3[] = {B, loop1->nodes[0], loop2->nodes[0], C};
- CheckLoopContains(loop3, 4);
- delete loop1;
- delete loop2;
-}
-
-
-TEST(RPOLoopBackedges1) {
- HandleAndZoneScope scope;
-
- int size = 8;
- for (int i = 0; i < size; i++) {
- for (int j = 0; j < size; j++) {
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
- BasicBlock* A = schedule.entry();
- BasicBlock* E = schedule.exit();
-
- TestLoop* loop1 = CreateLoop(&schedule, size);
- schedule.AddSuccessor(A, loop1->header());
- schedule.AddSuccessor(loop1->last(), E);
-
- schedule.AddSuccessor(loop1->nodes[i], loop1->header());
- schedule.AddSuccessor(loop1->nodes[j], E);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, schedule.BasicBlockCount(), true);
- CheckLoopContains(loop1->nodes, loop1->count);
- delete loop1;
- }
- }
-}
-
-
-TEST(RPOLoopOutedges1) {
- HandleAndZoneScope scope;
-
- int size = 8;
- for (int i = 0; i < size; i++) {
- for (int j = 0; j < size; j++) {
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
- BasicBlock* A = schedule.entry();
- BasicBlock* D = schedule.NewBasicBlock();
- BasicBlock* E = schedule.exit();
-
- TestLoop* loop1 = CreateLoop(&schedule, size);
- schedule.AddSuccessor(A, loop1->header());
- schedule.AddSuccessor(loop1->last(), E);
-
- schedule.AddSuccessor(loop1->nodes[i], loop1->header());
- schedule.AddSuccessor(loop1->nodes[j], D);
- schedule.AddSuccessor(D, E);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, schedule.BasicBlockCount(), true);
- CheckLoopContains(loop1->nodes, loop1->count);
- delete loop1;
- }
- }
-}
-
-
-TEST(RPOLoopOutedges2) {
- HandleAndZoneScope scope;
-
- int size = 8;
- for (int i = 0; i < size; i++) {
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
- BasicBlock* A = schedule.entry();
- BasicBlock* E = schedule.exit();
-
- TestLoop* loop1 = CreateLoop(&schedule, size);
- schedule.AddSuccessor(A, loop1->header());
- schedule.AddSuccessor(loop1->last(), E);
-
- for (int j = 0; j < size; j++) {
- BasicBlock* O = schedule.NewBasicBlock();
- schedule.AddSuccessor(loop1->nodes[j], O);
- schedule.AddSuccessor(O, E);
- }
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, schedule.BasicBlockCount(), true);
- CheckLoopContains(loop1->nodes, loop1->count);
- delete loop1;
- }
-}
-
-
-TEST(RPOLoopOutloops1) {
- HandleAndZoneScope scope;
-
- int size = 8;
- for (int i = 0; i < size; i++) {
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
- BasicBlock* A = schedule.entry();
- BasicBlock* E = schedule.exit();
- TestLoop* loop1 = CreateLoop(&schedule, size);
- schedule.AddSuccessor(A, loop1->header());
- schedule.AddSuccessor(loop1->last(), E);
-
- TestLoop** loopN = new TestLoop* [size];
- for (int j = 0; j < size; j++) {
- loopN[j] = CreateLoop(&schedule, 2);
- schedule.AddSuccessor(loop1->nodes[j], loopN[j]->header());
- schedule.AddSuccessor(loopN[j]->last(), E);
- }
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, schedule.BasicBlockCount(), true);
- CheckLoopContains(loop1->nodes, loop1->count);
-
- for (int j = 0; j < size; j++) {
- CheckLoopContains(loopN[j]->nodes, loopN[j]->count);
- delete loopN[j];
- }
- delete[] loopN;
- delete loop1;
- }
-}
-
-
-TEST(RPOLoopMultibackedge) {
- HandleAndZoneScope scope;
- Schedule schedule(scope.main_zone());
- Scheduler scheduler(scope.main_zone(), NULL, &schedule);
-
- BasicBlock* A = schedule.entry();
- BasicBlock* B = schedule.NewBasicBlock();
- BasicBlock* C = schedule.NewBasicBlock();
- BasicBlock* D = schedule.exit();
- BasicBlock* E = schedule.NewBasicBlock();
-
- schedule.AddSuccessor(A, B);
- schedule.AddSuccessor(B, C);
- schedule.AddSuccessor(B, D);
- schedule.AddSuccessor(B, E);
- schedule.AddSuccessor(C, B);
- schedule.AddSuccessor(D, B);
- schedule.AddSuccessor(E, B);
-
- BasicBlockVector* order = scheduler.ComputeSpecialRPO();
- CheckRPONumbers(order, 5, true);
-
- BasicBlock* loop1[] = {B, C, D, E};
- CheckLoopContains(loop1, 4);
-}
-
-
-TEST(BuildScheduleEmpty) {
- HandleAndZoneScope scope;
- Graph graph(scope.main_zone());
- CommonOperatorBuilder builder(scope.main_zone());
- graph.SetStart(graph.NewNode(builder.Start()));
- graph.SetEnd(graph.NewNode(builder.End(), graph.start()));
-
- Scheduler scheduler(scope.main_zone());
- USE(scheduler.NewSchedule(&graph));
-}
-
-
-TEST(BuildScheduleOneParameter) {
- HandleAndZoneScope scope;
- Graph graph(scope.main_zone());
- CommonOperatorBuilder builder(scope.main_zone());
- graph.SetStart(graph.NewNode(builder.Start()));
-
- Node* p1 = graph.NewNode(builder.Parameter(0));
- Node* ret = graph.NewNode(builder.Return(), p1, graph.start(), graph.start());
-
- graph.SetEnd(graph.NewNode(builder.End(), ret));
-
- Scheduler scheduler(scope.main_zone());
- USE(scheduler.NewSchedule(&graph));
-}
-
-
-static int GetScheduledNodeCount(Schedule* schedule) {
- int node_count = 0;
- for (BasicBlockVectorIter i = schedule->rpo_order()->begin();
- i != schedule->rpo_order()->end(); ++i) {
- BasicBlock* block = *i;
- for (BasicBlock::const_iterator j = block->begin(); j != block->end();
- ++j) {
- ++node_count;
- }
- BasicBlock::Control control = block->control_;
- if (control != BasicBlock::kNone) {
- ++node_count;
- }
- }
- return node_count;
-}
-
-
-static void PrintGraph(Graph* graph) {
- OFStream os(stdout);
- os << AsDOT(*graph);
-}
-
-
-static void PrintSchedule(Schedule* schedule) {
- OFStream os(stdout);
- os << *schedule << endl;
-}
-
-
-TEST(BuildScheduleIfSplit) {
- HandleAndZoneScope scope;
- Graph graph(scope.main_zone());
- CommonOperatorBuilder builder(scope.main_zone());
- JSOperatorBuilder js_builder(scope.main_zone());
- graph.SetStart(graph.NewNode(builder.Start()));
-
- Node* p1 = graph.NewNode(builder.Parameter(0));
- Node* p2 = graph.NewNode(builder.Parameter(1));
- Node* p3 = graph.NewNode(builder.Parameter(2));
- Node* p4 = graph.NewNode(builder.Parameter(3));
- Node* p5 = graph.NewNode(builder.Parameter(4));
- Node* cmp = graph.NewNode(js_builder.LessThanOrEqual(), p1, p2, p3,
- graph.start(), graph.start());
- Node* branch = graph.NewNode(builder.Branch(), cmp, graph.start());
- Node* true_branch = graph.NewNode(builder.IfTrue(), branch);
- Node* false_branch = graph.NewNode(builder.IfFalse(), branch);
-
- Node* ret1 = graph.NewNode(builder.Return(), p4, graph.start(), true_branch);
- Node* ret2 = graph.NewNode(builder.Return(), p5, graph.start(), false_branch);
- Node* merge = graph.NewNode(builder.Merge(2), ret1, ret2);
- graph.SetEnd(graph.NewNode(builder.End(), merge));
-
- PrintGraph(&graph);
-
- Scheduler scheduler(scope.main_zone());
- Schedule* schedule = scheduler.NewSchedule(&graph);
-
- PrintSchedule(schedule);
-
-
- CHECK_EQ(13, GetScheduledNodeCount(schedule));
-}
-
-
-TEST(BuildScheduleIfSplitWithEffects) {
- HandleAndZoneScope scope;
- Isolate* isolate = scope.main_isolate();
- Graph graph(scope.main_zone());
- CommonOperatorBuilder common_builder(scope.main_zone());
- JSOperatorBuilder js_builder(scope.main_zone());
- Operator* op;
-
- Handle<Object> object =
- Handle<Object>(isolate->heap()->undefined_value(), isolate);
- PrintableUnique<Object> unique_constant =
- PrintableUnique<Object>::CreateUninitialized(scope.main_zone(), object);
-
- // Manually transcripted code for:
- // function turbo_fan_test(a, b, c, y) {
- // if (a < b) {
- // return a + b - c * c - a + y;
- // } else {
- // return c * c - a;
- // }
- // }
- Node* nil = graph.NewNode(common_builder.Dead());
- op = common_builder.End();
- Node* n23 = graph.NewNode(op, nil);
- USE(n23);
- op = common_builder.Merge(2);
- Node* n22 = graph.NewNode(op, nil, nil);
- USE(n22);
- op = common_builder.Return();
- Node* n16 = graph.NewNode(op, nil, nil, nil);
- USE(n16);
- op = js_builder.Add();
- Node* n15 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n15);
- op = js_builder.Subtract();
- Node* n14 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n14);
- op = js_builder.Subtract();
- Node* n13 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n13);
- op = js_builder.Add();
- Node* n11 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n11);
- op = common_builder.Parameter(0);
- Node* n2 = graph.NewNode(op);
- USE(n2);
- n11->ReplaceInput(0, n2);
- op = common_builder.Parameter(0);
- Node* n3 = graph.NewNode(op);
- USE(n3);
- n11->ReplaceInput(1, n3);
- op = common_builder.HeapConstant(unique_constant);
- Node* n7 = graph.NewNode(op);
- USE(n7);
- n11->ReplaceInput(2, n7);
- op = js_builder.LessThan();
- Node* n8 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n8);
- n8->ReplaceInput(0, n2);
- n8->ReplaceInput(1, n3);
- n8->ReplaceInput(2, n7);
- op = common_builder.Start();
- Node* n0 = graph.NewNode(op);
- USE(n0);
- n8->ReplaceInput(3, n0);
- n8->ReplaceInput(4, n0);
- n11->ReplaceInput(3, n8);
- op = common_builder.IfTrue();
- Node* n10 = graph.NewNode(op, nil);
- USE(n10);
- op = common_builder.Branch();
- Node* n9 = graph.NewNode(op, nil, nil);
- USE(n9);
- n9->ReplaceInput(0, n8);
- n9->ReplaceInput(1, n0);
- n10->ReplaceInput(0, n9);
- n11->ReplaceInput(4, n10);
- n13->ReplaceInput(0, n11);
- op = js_builder.Multiply();
- Node* n12 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n12);
- op = common_builder.Parameter(0);
- Node* n4 = graph.NewNode(op);
- USE(n4);
- n12->ReplaceInput(0, n4);
- n12->ReplaceInput(1, n4);
- n12->ReplaceInput(2, n7);
- n12->ReplaceInput(3, n11);
- n12->ReplaceInput(4, n10);
- n13->ReplaceInput(1, n12);
- n13->ReplaceInput(2, n7);
- n13->ReplaceInput(3, n12);
- n13->ReplaceInput(4, n10);
- n14->ReplaceInput(0, n13);
- n14->ReplaceInput(1, n2);
- n14->ReplaceInput(2, n7);
- n14->ReplaceInput(3, n13);
- n14->ReplaceInput(4, n10);
- n15->ReplaceInput(0, n14);
- op = common_builder.Parameter(0);
- Node* n5 = graph.NewNode(op);
- USE(n5);
- n15->ReplaceInput(1, n5);
- n15->ReplaceInput(2, n7);
- n15->ReplaceInput(3, n14);
- n15->ReplaceInput(4, n10);
- n16->ReplaceInput(0, n15);
- n16->ReplaceInput(1, n15);
- n16->ReplaceInput(2, n10);
- n22->ReplaceInput(0, n16);
- op = common_builder.Return();
- Node* n21 = graph.NewNode(op, nil, nil, nil);
- USE(n21);
- op = js_builder.Subtract();
- Node* n20 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n20);
- op = js_builder.Multiply();
- Node* n19 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n19);
- n19->ReplaceInput(0, n4);
- n19->ReplaceInput(1, n4);
- n19->ReplaceInput(2, n7);
- n19->ReplaceInput(3, n8);
- op = common_builder.IfFalse();
- Node* n18 = graph.NewNode(op, nil);
- USE(n18);
- n18->ReplaceInput(0, n9);
- n19->ReplaceInput(4, n18);
- n20->ReplaceInput(0, n19);
- n20->ReplaceInput(1, n2);
- n20->ReplaceInput(2, n7);
- n20->ReplaceInput(3, n19);
- n20->ReplaceInput(4, n18);
- n21->ReplaceInput(0, n20);
- n21->ReplaceInput(1, n20);
- n21->ReplaceInput(2, n18);
- n22->ReplaceInput(1, n21);
- n23->ReplaceInput(0, n22);
-
- graph.SetStart(n0);
- graph.SetEnd(n23);
-
- PrintGraph(&graph);
-
- Scheduler scheduler(scope.main_zone());
- Schedule* schedule = scheduler.NewSchedule(&graph);
-
- PrintSchedule(schedule);
-
- CHECK_EQ(20, GetScheduledNodeCount(schedule));
-}
-
-
-TEST(BuildScheduleSimpleLoop) {
- HandleAndZoneScope scope;
- Isolate* isolate = scope.main_isolate();
- Graph graph(scope.main_zone());
- CommonOperatorBuilder common_builder(scope.main_zone());
- JSOperatorBuilder js_builder(scope.main_zone());
- Operator* op;
-
- Handle<Object> object =
- Handle<Object>(isolate->heap()->undefined_value(), isolate);
- PrintableUnique<Object> unique_constant =
- PrintableUnique<Object>::CreateUninitialized(scope.main_zone(), object);
-
- // Manually transcripted code for:
- // function turbo_fan_test(a, b) {
- // while (a < b) {
- // a++;
- // }
- // return a;
- // }
- Node* nil = graph.NewNode(common_builder.Dead());
- op = common_builder.End();
- Node* n20 = graph.NewNode(op, nil);
- USE(n20);
- op = common_builder.Return();
- Node* n19 = graph.NewNode(op, nil, nil, nil);
- USE(n19);
- op = common_builder.Phi(2);
- Node* n8 = graph.NewNode(op, nil, nil, nil);
- USE(n8);
- op = common_builder.Parameter(0);
- Node* n2 = graph.NewNode(op);
- USE(n2);
- n8->ReplaceInput(0, n2);
- op = js_builder.Add();
- Node* n18 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n18);
- op = js_builder.ToNumber();
- Node* n16 = graph.NewNode(op, nil, nil, nil, nil);
- USE(n16);
- n16->ReplaceInput(0, n8);
- op = common_builder.HeapConstant(unique_constant);
- Node* n5 = graph.NewNode(op);
- USE(n5);
- n16->ReplaceInput(1, n5);
- op = js_builder.LessThan();
- Node* n12 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n12);
- n12->ReplaceInput(0, n8);
- op = common_builder.Phi(2);
- Node* n9 = graph.NewNode(op, nil, nil, nil);
- USE(n9);
- op = common_builder.Parameter(0);
- Node* n3 = graph.NewNode(op);
- USE(n3);
- n9->ReplaceInput(0, n3);
- n9->ReplaceInput(1, n9);
- op = common_builder.Loop(2);
- Node* n6 = graph.NewNode(op, nil, nil);
- USE(n6);
- op = common_builder.Start();
- Node* n0 = graph.NewNode(op);
- USE(n0);
- n6->ReplaceInput(0, n0);
- op = common_builder.IfTrue();
- Node* n14 = graph.NewNode(op, nil);
- USE(n14);
- op = common_builder.Branch();
- Node* n13 = graph.NewNode(op, nil, nil);
- USE(n13);
- n13->ReplaceInput(0, n12);
- n13->ReplaceInput(1, n6);
- n14->ReplaceInput(0, n13);
- n6->ReplaceInput(1, n14);
- n9->ReplaceInput(2, n6);
- n12->ReplaceInput(1, n9);
- n12->ReplaceInput(2, n5);
- op = common_builder.Phi(2);
- Node* n10 = graph.NewNode(op, nil, nil, nil);
- USE(n10);
- n10->ReplaceInput(0, n0);
- n10->ReplaceInput(1, n18);
- n10->ReplaceInput(2, n6);
- n12->ReplaceInput(3, n10);
- n12->ReplaceInput(4, n6);
- n16->ReplaceInput(2, n12);
- n16->ReplaceInput(3, n14);
- n18->ReplaceInput(0, n16);
- op = common_builder.NumberConstant(0);
- Node* n17 = graph.NewNode(op);
- USE(n17);
- n18->ReplaceInput(1, n17);
- n18->ReplaceInput(2, n5);
- n18->ReplaceInput(3, n16);
- n18->ReplaceInput(4, n14);
- n8->ReplaceInput(1, n18);
- n8->ReplaceInput(2, n6);
- n19->ReplaceInput(0, n8);
- n19->ReplaceInput(1, n12);
- op = common_builder.IfFalse();
- Node* n15 = graph.NewNode(op, nil);
- USE(n15);
- n15->ReplaceInput(0, n13);
- n19->ReplaceInput(2, n15);
- n20->ReplaceInput(0, n19);
-
- graph.SetStart(n0);
- graph.SetEnd(n20);
-
- PrintGraph(&graph);
-
- Scheduler scheduler(scope.main_zone());
- Schedule* schedule = scheduler.NewSchedule(&graph);
-
- PrintSchedule(schedule);
-
- CHECK_EQ(19, GetScheduledNodeCount(schedule));
-}
-
-
-TEST(BuildScheduleComplexLoops) {
- HandleAndZoneScope scope;
- Isolate* isolate = scope.main_isolate();
- Graph graph(scope.main_zone());
- CommonOperatorBuilder common_builder(scope.main_zone());
- JSOperatorBuilder js_builder(scope.main_zone());
- Operator* op;
-
- Handle<Object> object =
- Handle<Object>(isolate->heap()->undefined_value(), isolate);
- PrintableUnique<Object> unique_constant =
- PrintableUnique<Object>::CreateUninitialized(scope.main_zone(), object);
-
- // Manually transcripted code for:
- // function turbo_fan_test(a, b, c) {
- // while (a < b) {
- // a++;
- // while (c < b) {
- // c++;
- // }
- // }
- // while (a < b) {
- // a += 2;
- // }
- // return a;
- // }
- Node* nil = graph.NewNode(common_builder.Dead());
- op = common_builder.End();
- Node* n46 = graph.NewNode(op, nil);
- USE(n46);
- op = common_builder.Return();
- Node* n45 = graph.NewNode(op, nil, nil, nil);
- USE(n45);
- op = common_builder.Phi(2);
- Node* n35 = graph.NewNode(op, nil, nil, nil);
- USE(n35);
- op = common_builder.Phi(2);
- Node* n9 = graph.NewNode(op, nil, nil, nil);
- USE(n9);
- op = common_builder.Parameter(0);
- Node* n2 = graph.NewNode(op);
- USE(n2);
- n9->ReplaceInput(0, n2);
- op = common_builder.Phi(2);
- Node* n23 = graph.NewNode(op, nil, nil, nil);
- USE(n23);
- op = js_builder.Add();
- Node* n20 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n20);
- op = js_builder.ToNumber();
- Node* n18 = graph.NewNode(op, nil, nil, nil, nil);
- USE(n18);
- n18->ReplaceInput(0, n9);
- op = common_builder.HeapConstant(unique_constant);
- Node* n6 = graph.NewNode(op);
- USE(n6);
- n18->ReplaceInput(1, n6);
- op = js_builder.LessThan();
- Node* n14 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n14);
- n14->ReplaceInput(0, n9);
- op = common_builder.Phi(2);
- Node* n10 = graph.NewNode(op, nil, nil, nil);
- USE(n10);
- op = common_builder.Parameter(0);
- Node* n3 = graph.NewNode(op);
- USE(n3);
- n10->ReplaceInput(0, n3);
- op = common_builder.Phi(2);
- Node* n24 = graph.NewNode(op, nil, nil, nil);
- USE(n24);
- n24->ReplaceInput(0, n10);
- n24->ReplaceInput(1, n24);
- op = common_builder.Loop(2);
- Node* n21 = graph.NewNode(op, nil, nil);
- USE(n21);
- op = common_builder.IfTrue();
- Node* n16 = graph.NewNode(op, nil);
- USE(n16);
- op = common_builder.Branch();
- Node* n15 = graph.NewNode(op, nil, nil);
- USE(n15);
- n15->ReplaceInput(0, n14);
- op = common_builder.Loop(2);
- Node* n7 = graph.NewNode(op, nil, nil);
- USE(n7);
- op = common_builder.Start();
- Node* n0 = graph.NewNode(op);
- USE(n0);
- n7->ReplaceInput(0, n0);
- op = common_builder.IfFalse();
- Node* n30 = graph.NewNode(op, nil);
- USE(n30);
- op = common_builder.Branch();
- Node* n28 = graph.NewNode(op, nil, nil);
- USE(n28);
- op = js_builder.LessThan();
- Node* n27 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n27);
- op = common_builder.Phi(2);
- Node* n25 = graph.NewNode(op, nil, nil, nil);
- USE(n25);
- op = common_builder.Phi(2);
- Node* n11 = graph.NewNode(op, nil, nil, nil);
- USE(n11);
- op = common_builder.Parameter(0);
- Node* n4 = graph.NewNode(op);
- USE(n4);
- n11->ReplaceInput(0, n4);
- n11->ReplaceInput(1, n25);
- n11->ReplaceInput(2, n7);
- n25->ReplaceInput(0, n11);
- op = js_builder.Add();
- Node* n32 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n32);
- op = js_builder.ToNumber();
- Node* n31 = graph.NewNode(op, nil, nil, nil, nil);
- USE(n31);
- n31->ReplaceInput(0, n25);
- n31->ReplaceInput(1, n6);
- n31->ReplaceInput(2, n27);
- op = common_builder.IfTrue();
- Node* n29 = graph.NewNode(op, nil);
- USE(n29);
- n29->ReplaceInput(0, n28);
- n31->ReplaceInput(3, n29);
- n32->ReplaceInput(0, n31);
- op = common_builder.NumberConstant(0);
- Node* n19 = graph.NewNode(op);
- USE(n19);
- n32->ReplaceInput(1, n19);
- n32->ReplaceInput(2, n6);
- n32->ReplaceInput(3, n31);
- n32->ReplaceInput(4, n29);
- n25->ReplaceInput(1, n32);
- n25->ReplaceInput(2, n21);
- n27->ReplaceInput(0, n25);
- n27->ReplaceInput(1, n24);
- n27->ReplaceInput(2, n6);
- op = common_builder.Phi(2);
- Node* n26 = graph.NewNode(op, nil, nil, nil);
- USE(n26);
- n26->ReplaceInput(0, n20);
- n26->ReplaceInput(1, n32);
- n26->ReplaceInput(2, n21);
- n27->ReplaceInput(3, n26);
- n27->ReplaceInput(4, n21);
- n28->ReplaceInput(0, n27);
- n28->ReplaceInput(1, n21);
- n30->ReplaceInput(0, n28);
- n7->ReplaceInput(1, n30);
- n15->ReplaceInput(1, n7);
- n16->ReplaceInput(0, n15);
- n21->ReplaceInput(0, n16);
- n21->ReplaceInput(1, n29);
- n24->ReplaceInput(2, n21);
- n10->ReplaceInput(1, n24);
- n10->ReplaceInput(2, n7);
- n14->ReplaceInput(1, n10);
- n14->ReplaceInput(2, n6);
- op = common_builder.Phi(2);
- Node* n12 = graph.NewNode(op, nil, nil, nil);
- USE(n12);
- n12->ReplaceInput(0, n0);
- n12->ReplaceInput(1, n27);
- n12->ReplaceInput(2, n7);
- n14->ReplaceInput(3, n12);
- n14->ReplaceInput(4, n7);
- n18->ReplaceInput(2, n14);
- n18->ReplaceInput(3, n16);
- n20->ReplaceInput(0, n18);
- n20->ReplaceInput(1, n19);
- n20->ReplaceInput(2, n6);
- n20->ReplaceInput(3, n18);
- n20->ReplaceInput(4, n16);
- n23->ReplaceInput(0, n20);
- n23->ReplaceInput(1, n23);
- n23->ReplaceInput(2, n21);
- n9->ReplaceInput(1, n23);
- n9->ReplaceInput(2, n7);
- n35->ReplaceInput(0, n9);
- op = js_builder.Add();
- Node* n44 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n44);
- n44->ReplaceInput(0, n35);
- op = common_builder.NumberConstant(0);
- Node* n43 = graph.NewNode(op);
- USE(n43);
- n44->ReplaceInput(1, n43);
- n44->ReplaceInput(2, n6);
- op = js_builder.LessThan();
- Node* n39 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n39);
- n39->ReplaceInput(0, n35);
- op = common_builder.Phi(2);
- Node* n36 = graph.NewNode(op, nil, nil, nil);
- USE(n36);
- n36->ReplaceInput(0, n10);
- n36->ReplaceInput(1, n36);
- op = common_builder.Loop(2);
- Node* n33 = graph.NewNode(op, nil, nil);
- USE(n33);
- op = common_builder.IfFalse();
- Node* n17 = graph.NewNode(op, nil);
- USE(n17);
- n17->ReplaceInput(0, n15);
- n33->ReplaceInput(0, n17);
- op = common_builder.IfTrue();
- Node* n41 = graph.NewNode(op, nil);
- USE(n41);
- op = common_builder.Branch();
- Node* n40 = graph.NewNode(op, nil, nil);
- USE(n40);
- n40->ReplaceInput(0, n39);
- n40->ReplaceInput(1, n33);
- n41->ReplaceInput(0, n40);
- n33->ReplaceInput(1, n41);
- n36->ReplaceInput(2, n33);
- n39->ReplaceInput(1, n36);
- n39->ReplaceInput(2, n6);
- op = common_builder.Phi(2);
- Node* n38 = graph.NewNode(op, nil, nil, nil);
- USE(n38);
- n38->ReplaceInput(0, n14);
- n38->ReplaceInput(1, n44);
- n38->ReplaceInput(2, n33);
- n39->ReplaceInput(3, n38);
- n39->ReplaceInput(4, n33);
- n44->ReplaceInput(3, n39);
- n44->ReplaceInput(4, n41);
- n35->ReplaceInput(1, n44);
- n35->ReplaceInput(2, n33);
- n45->ReplaceInput(0, n35);
- n45->ReplaceInput(1, n39);
- op = common_builder.IfFalse();
- Node* n42 = graph.NewNode(op, nil);
- USE(n42);
- n42->ReplaceInput(0, n40);
- n45->ReplaceInput(2, n42);
- n46->ReplaceInput(0, n45);
-
- graph.SetStart(n0);
- graph.SetEnd(n46);
-
- PrintGraph(&graph);
-
- Scheduler scheduler(scope.main_zone());
- Schedule* schedule = scheduler.NewSchedule(&graph);
-
- PrintSchedule(schedule);
-
- CHECK_EQ(46, GetScheduledNodeCount(schedule));
-}
-
-
-TEST(BuildScheduleBreakAndContinue) {
- HandleAndZoneScope scope;
- Isolate* isolate = scope.main_isolate();
- Graph graph(scope.main_zone());
- CommonOperatorBuilder common_builder(scope.main_zone());
- JSOperatorBuilder js_builder(scope.main_zone());
- Operator* op;
-
- Handle<Object> object =
- Handle<Object>(isolate->heap()->undefined_value(), isolate);
- PrintableUnique<Object> unique_constant =
- PrintableUnique<Object>::CreateUninitialized(scope.main_zone(), object);
-
- // Manually transcripted code for:
- // function turbo_fan_test(a, b, c) {
- // var d = 0;
- // while (a < b) {
- // a++;
- // while (c < b) {
- // c++;
- // if (d == 0) break;
- // a++;
- // }
- // if (a == 1) continue;
- // d++;
- // }
- // return a + d;
- // }
- Node* nil = graph.NewNode(common_builder.Dead());
- op = common_builder.End();
- Node* n58 = graph.NewNode(op, nil);
- USE(n58);
- op = common_builder.Return();
- Node* n57 = graph.NewNode(op, nil, nil, nil);
- USE(n57);
- op = js_builder.Add();
- Node* n56 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n56);
- op = common_builder.Phi(2);
- Node* n10 = graph.NewNode(op, nil, nil, nil);
- USE(n10);
- op = common_builder.Parameter(0);
- Node* n2 = graph.NewNode(op);
- USE(n2);
- n10->ReplaceInput(0, n2);
- op = common_builder.Phi(2);
- Node* n25 = graph.NewNode(op, nil, nil, nil);
- USE(n25);
- op = js_builder.Add();
- Node* n22 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n22);
- op = js_builder.ToNumber();
- Node* n20 = graph.NewNode(op, nil, nil, nil, nil);
- USE(n20);
- n20->ReplaceInput(0, n10);
- op = common_builder.HeapConstant(unique_constant);
- Node* n6 = graph.NewNode(op);
- USE(n6);
- n20->ReplaceInput(1, n6);
- op = js_builder.LessThan();
- Node* n16 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n16);
- n16->ReplaceInput(0, n10);
- op = common_builder.Phi(2);
- Node* n11 = graph.NewNode(op, nil, nil, nil);
- USE(n11);
- op = common_builder.Parameter(0);
- Node* n3 = graph.NewNode(op);
- USE(n3);
- n11->ReplaceInput(0, n3);
- op = common_builder.Phi(2);
- Node* n26 = graph.NewNode(op, nil, nil, nil);
- USE(n26);
- n26->ReplaceInput(0, n11);
- n26->ReplaceInput(1, n26);
- op = common_builder.Loop(2);
- Node* n23 = graph.NewNode(op, nil, nil);
- USE(n23);
- op = common_builder.IfTrue();
- Node* n18 = graph.NewNode(op, nil);
- USE(n18);
- op = common_builder.Branch();
- Node* n17 = graph.NewNode(op, nil, nil);
- USE(n17);
- n17->ReplaceInput(0, n16);
- op = common_builder.Loop(2);
- Node* n8 = graph.NewNode(op, nil, nil);
- USE(n8);
- op = common_builder.Start();
- Node* n0 = graph.NewNode(op);
- USE(n0);
- n8->ReplaceInput(0, n0);
- op = common_builder.Merge(2);
- Node* n53 = graph.NewNode(op, nil, nil);
- USE(n53);
- op = common_builder.IfTrue();
- Node* n49 = graph.NewNode(op, nil);
- USE(n49);
- op = common_builder.Branch();
- Node* n48 = graph.NewNode(op, nil, nil);
- USE(n48);
- op = js_builder.Equal();
- Node* n47 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n47);
- n47->ReplaceInput(0, n25);
- op = common_builder.NumberConstant(0);
- Node* n46 = graph.NewNode(op);
- USE(n46);
- n47->ReplaceInput(1, n46);
- n47->ReplaceInput(2, n6);
- op = common_builder.Phi(2);
- Node* n42 = graph.NewNode(op, nil, nil, nil);
- USE(n42);
- op = js_builder.LessThan();
- Node* n30 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n30);
- op = common_builder.Phi(2);
- Node* n27 = graph.NewNode(op, nil, nil, nil);
- USE(n27);
- op = common_builder.Phi(2);
- Node* n12 = graph.NewNode(op, nil, nil, nil);
- USE(n12);
- op = common_builder.Parameter(0);
- Node* n4 = graph.NewNode(op);
- USE(n4);
- n12->ReplaceInput(0, n4);
- op = common_builder.Phi(2);
- Node* n41 = graph.NewNode(op, nil, nil, nil);
- USE(n41);
- n41->ReplaceInput(0, n27);
- op = js_builder.Add();
- Node* n35 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n35);
- op = js_builder.ToNumber();
- Node* n34 = graph.NewNode(op, nil, nil, nil, nil);
- USE(n34);
- n34->ReplaceInput(0, n27);
- n34->ReplaceInput(1, n6);
- n34->ReplaceInput(2, n30);
- op = common_builder.IfTrue();
- Node* n32 = graph.NewNode(op, nil);
- USE(n32);
- op = common_builder.Branch();
- Node* n31 = graph.NewNode(op, nil, nil);
- USE(n31);
- n31->ReplaceInput(0, n30);
- n31->ReplaceInput(1, n23);
- n32->ReplaceInput(0, n31);
- n34->ReplaceInput(3, n32);
- n35->ReplaceInput(0, n34);
- op = common_builder.NumberConstant(0);
- Node* n21 = graph.NewNode(op);
- USE(n21);
- n35->ReplaceInput(1, n21);
- n35->ReplaceInput(2, n6);
- n35->ReplaceInput(3, n34);
- n35->ReplaceInput(4, n32);
- n41->ReplaceInput(1, n35);
- op = common_builder.Merge(2);
- Node* n40 = graph.NewNode(op, nil, nil);
- USE(n40);
- op = common_builder.IfFalse();
- Node* n33 = graph.NewNode(op, nil);
- USE(n33);
- n33->ReplaceInput(0, n31);
- n40->ReplaceInput(0, n33);
- op = common_builder.IfTrue();
- Node* n39 = graph.NewNode(op, nil);
- USE(n39);
- op = common_builder.Branch();
- Node* n38 = graph.NewNode(op, nil, nil);
- USE(n38);
- op = js_builder.Equal();
- Node* n37 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n37);
- op = common_builder.Phi(2);
- Node* n28 = graph.NewNode(op, nil, nil, nil);
- USE(n28);
- op = common_builder.Phi(2);
- Node* n13 = graph.NewNode(op, nil, nil, nil);
- USE(n13);
- op = common_builder.NumberConstant(0);
- Node* n7 = graph.NewNode(op);
- USE(n7);
- n13->ReplaceInput(0, n7);
- op = common_builder.Phi(2);
- Node* n54 = graph.NewNode(op, nil, nil, nil);
- USE(n54);
- n54->ReplaceInput(0, n28);
- op = js_builder.Add();
- Node* n52 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n52);
- op = js_builder.ToNumber();
- Node* n51 = graph.NewNode(op, nil, nil, nil, nil);
- USE(n51);
- n51->ReplaceInput(0, n28);
- n51->ReplaceInput(1, n6);
- n51->ReplaceInput(2, n47);
- op = common_builder.IfFalse();
- Node* n50 = graph.NewNode(op, nil);
- USE(n50);
- n50->ReplaceInput(0, n48);
- n51->ReplaceInput(3, n50);
- n52->ReplaceInput(0, n51);
- n52->ReplaceInput(1, n21);
- n52->ReplaceInput(2, n6);
- n52->ReplaceInput(3, n51);
- n52->ReplaceInput(4, n50);
- n54->ReplaceInput(1, n52);
- n54->ReplaceInput(2, n53);
- n13->ReplaceInput(1, n54);
- n13->ReplaceInput(2, n8);
- n28->ReplaceInput(0, n13);
- n28->ReplaceInput(1, n28);
- n28->ReplaceInput(2, n23);
- n37->ReplaceInput(0, n28);
- op = common_builder.NumberConstant(0);
- Node* n36 = graph.NewNode(op);
- USE(n36);
- n37->ReplaceInput(1, n36);
- n37->ReplaceInput(2, n6);
- n37->ReplaceInput(3, n35);
- n37->ReplaceInput(4, n32);
- n38->ReplaceInput(0, n37);
- n38->ReplaceInput(1, n32);
- n39->ReplaceInput(0, n38);
- n40->ReplaceInput(1, n39);
- n41->ReplaceInput(2, n40);
- n12->ReplaceInput(1, n41);
- n12->ReplaceInput(2, n8);
- n27->ReplaceInput(0, n12);
- n27->ReplaceInput(1, n35);
- n27->ReplaceInput(2, n23);
- n30->ReplaceInput(0, n27);
- n30->ReplaceInput(1, n26);
- n30->ReplaceInput(2, n6);
- op = common_builder.Phi(2);
- Node* n29 = graph.NewNode(op, nil, nil, nil);
- USE(n29);
- n29->ReplaceInput(0, n22);
- op = js_builder.Add();
- Node* n45 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n45);
- op = js_builder.ToNumber();
- Node* n44 = graph.NewNode(op, nil, nil, nil, nil);
- USE(n44);
- n44->ReplaceInput(0, n25);
- n44->ReplaceInput(1, n6);
- n44->ReplaceInput(2, n37);
- op = common_builder.IfFalse();
- Node* n43 = graph.NewNode(op, nil);
- USE(n43);
- n43->ReplaceInput(0, n38);
- n44->ReplaceInput(3, n43);
- n45->ReplaceInput(0, n44);
- n45->ReplaceInput(1, n21);
- n45->ReplaceInput(2, n6);
- n45->ReplaceInput(3, n44);
- n45->ReplaceInput(4, n43);
- n29->ReplaceInput(1, n45);
- n29->ReplaceInput(2, n23);
- n30->ReplaceInput(3, n29);
- n30->ReplaceInput(4, n23);
- n42->ReplaceInput(0, n30);
- n42->ReplaceInput(1, n37);
- n42->ReplaceInput(2, n40);
- n47->ReplaceInput(3, n42);
- n47->ReplaceInput(4, n40);
- n48->ReplaceInput(0, n47);
- n48->ReplaceInput(1, n40);
- n49->ReplaceInput(0, n48);
- n53->ReplaceInput(0, n49);
- n53->ReplaceInput(1, n50);
- n8->ReplaceInput(1, n53);
- n17->ReplaceInput(1, n8);
- n18->ReplaceInput(0, n17);
- n23->ReplaceInput(0, n18);
- n23->ReplaceInput(1, n43);
- n26->ReplaceInput(2, n23);
- n11->ReplaceInput(1, n26);
- n11->ReplaceInput(2, n8);
- n16->ReplaceInput(1, n11);
- n16->ReplaceInput(2, n6);
- op = common_builder.Phi(2);
- Node* n14 = graph.NewNode(op, nil, nil, nil);
- USE(n14);
- n14->ReplaceInput(0, n0);
- op = common_builder.Phi(2);
- Node* n55 = graph.NewNode(op, nil, nil, nil);
- USE(n55);
- n55->ReplaceInput(0, n47);
- n55->ReplaceInput(1, n52);
- n55->ReplaceInput(2, n53);
- n14->ReplaceInput(1, n55);
- n14->ReplaceInput(2, n8);
- n16->ReplaceInput(3, n14);
- n16->ReplaceInput(4, n8);
- n20->ReplaceInput(2, n16);
- n20->ReplaceInput(3, n18);
- n22->ReplaceInput(0, n20);
- n22->ReplaceInput(1, n21);
- n22->ReplaceInput(2, n6);
- n22->ReplaceInput(3, n20);
- n22->ReplaceInput(4, n18);
- n25->ReplaceInput(0, n22);
- n25->ReplaceInput(1, n45);
- n25->ReplaceInput(2, n23);
- n10->ReplaceInput(1, n25);
- n10->ReplaceInput(2, n8);
- n56->ReplaceInput(0, n10);
- n56->ReplaceInput(1, n13);
- n56->ReplaceInput(2, n6);
- n56->ReplaceInput(3, n16);
- op = common_builder.IfFalse();
- Node* n19 = graph.NewNode(op, nil);
- USE(n19);
- n19->ReplaceInput(0, n17);
- n56->ReplaceInput(4, n19);
- n57->ReplaceInput(0, n56);
- n57->ReplaceInput(1, n56);
- n57->ReplaceInput(2, n19);
- n58->ReplaceInput(0, n57);
-
- graph.SetStart(n0);
- graph.SetEnd(n58);
-
- PrintGraph(&graph);
-
- Scheduler scheduler(scope.main_zone());
- Schedule* schedule = scheduler.NewSchedule(&graph);
-
- PrintSchedule(schedule);
-
- CHECK_EQ(62, GetScheduledNodeCount(schedule));
-}
-
-
-TEST(BuildScheduleSimpleLoopWithCodeMotion) {
- HandleAndZoneScope scope;
- Isolate* isolate = scope.main_isolate();
- Graph graph(scope.main_zone());
- CommonOperatorBuilder common_builder(scope.main_zone());
- JSOperatorBuilder js_builder(scope.main_zone());
- MachineOperatorBuilder machine_builder(scope.main_zone(), kMachineWord32);
- Operator* op;
-
- Handle<Object> object =
- Handle<Object>(isolate->heap()->undefined_value(), isolate);
- PrintableUnique<Object> unique_constant =
- PrintableUnique<Object>::CreateUninitialized(scope.main_zone(), object);
-
- // Manually transcripted code for:
- // function turbo_fan_test(a, b, c) {
- // while (a < b) {
- // a += b + c;
- // }
- // return a;
- // }
- Node* nil = graph.NewNode(common_builder.Dead());
- op = common_builder.End();
- Node* n22 = graph.NewNode(op, nil);
- USE(n22);
- op = common_builder.Return();
- Node* n21 = graph.NewNode(op, nil, nil, nil);
- USE(n21);
- op = common_builder.Phi(2);
- Node* n9 = graph.NewNode(op, nil, nil, nil);
- USE(n9);
- op = common_builder.Parameter(0);
- Node* n2 = graph.NewNode(op);
- USE(n2);
- n9->ReplaceInput(0, n2);
- op = js_builder.Add();
- Node* n20 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n20);
- n20->ReplaceInput(0, n9);
- op = machine_builder.Int32Add();
- Node* n19 = graph.NewNode(op, nil, nil);
- USE(n19);
- op = common_builder.Phi(2);
- Node* n10 = graph.NewNode(op, nil, nil, nil);
- USE(n10);
- op = common_builder.Parameter(0);
- Node* n3 = graph.NewNode(op);
- USE(n3);
- n10->ReplaceInput(0, n3);
- n10->ReplaceInput(1, n10);
- op = common_builder.Loop(2);
- Node* n7 = graph.NewNode(op, nil, nil);
- USE(n7);
- op = common_builder.Start();
- Node* n0 = graph.NewNode(op);
- USE(n0);
- n7->ReplaceInput(0, n0);
- op = common_builder.IfTrue();
- Node* n17 = graph.NewNode(op, nil);
- USE(n17);
- op = common_builder.Branch();
- Node* n16 = graph.NewNode(op, nil, nil);
- USE(n16);
- op = js_builder.ToBoolean();
- Node* n15 = graph.NewNode(op, nil, nil, nil, nil);
- USE(n15);
- op = js_builder.LessThan();
- Node* n14 = graph.NewNode(op, nil, nil, nil, nil, nil);
- USE(n14);
- n14->ReplaceInput(0, n9);
- n14->ReplaceInput(1, n10);
- op = common_builder.HeapConstant(unique_constant);
- Node* n6 = graph.NewNode(op);
- USE(n6);
- n14->ReplaceInput(2, n6);
- op = common_builder.Phi(2);
- Node* n12 = graph.NewNode(op, nil, nil, nil);
- USE(n12);
- n12->ReplaceInput(0, n0);
- n12->ReplaceInput(1, n20);
- n12->ReplaceInput(2, n7);
- n14->ReplaceInput(3, n12);
- n14->ReplaceInput(4, n7);
- n15->ReplaceInput(0, n14);
- n15->ReplaceInput(1, n6);
- n15->ReplaceInput(2, n14);
- n15->ReplaceInput(3, n7);
- n16->ReplaceInput(0, n15);
- n16->ReplaceInput(1, n7);
- n17->ReplaceInput(0, n16);
- n7->ReplaceInput(1, n17);
- n10->ReplaceInput(2, n7);
- n19->ReplaceInput(0, n2);
- op = common_builder.Phi(2);
- Node* n11 = graph.NewNode(op, nil, nil, nil);
- USE(n11);
- op = common_builder.Parameter(0);
- Node* n4 = graph.NewNode(op);
- USE(n4);
- n11->ReplaceInput(0, n4);
- n11->ReplaceInput(1, n11);
- n11->ReplaceInput(2, n7);
- n19->ReplaceInput(1, n3);
- n20->ReplaceInput(1, n19);
- n20->ReplaceInput(2, n6);
- n20->ReplaceInput(3, n19);
- n20->ReplaceInput(4, n17);
- n9->ReplaceInput(1, n20);
- n9->ReplaceInput(2, n7);
- n21->ReplaceInput(0, n9);
- n21->ReplaceInput(1, n15);
- op = common_builder.IfFalse();
- Node* n18 = graph.NewNode(op, nil);
- USE(n18);
- n18->ReplaceInput(0, n16);
- n21->ReplaceInput(2, n18);
- n22->ReplaceInput(0, n21);
-
- graph.SetStart(n0);
- graph.SetEnd(n22);
-
- PrintGraph(&graph);
-
- Scheduler scheduler(scope.main_zone());
- Schedule* schedule = scheduler.NewSchedule(&graph);
-
- PrintSchedule(schedule);
-
- CHECK_EQ(19, GetScheduledNodeCount(schedule));
-
- // Make sure the integer-only add gets hoisted to a different block that the
- // JSAdd.
- CHECK(schedule->block(n19) != schedule->block(n20));
-}
-
-
-// So we can get a real JS function.
-static Handle<JSFunction> Compile(const char* source) {
- Isolate* isolate = CcTest::i_isolate();
- Handle<String> source_code = isolate->factory()
- ->NewStringFromUtf8(CStrVector(source))
- .ToHandleChecked();
- Handle<SharedFunctionInfo> shared_function = Compiler::CompileScript(
- source_code, Handle<String>(), 0, 0, false,
- Handle<Context>(isolate->native_context()), NULL, NULL,
- v8::ScriptCompiler::kNoCompileOptions, NOT_NATIVES_CODE);
- return isolate->factory()->NewFunctionFromSharedFunctionInfo(
- shared_function, isolate->native_context());
-}
-
-
-TEST(BuildScheduleTrivialLazyDeoptCall) {
- HandleAndZoneScope scope;
- Isolate* isolate = scope.main_isolate();
- Graph graph(scope.main_zone());
- CommonOperatorBuilder common_builder(scope.main_zone());
- JSOperatorBuilder js_builder(scope.main_zone());
-
- InitializedHandleScope handles;
- Handle<JSFunction> function = Compile("m()");
- CompilationInfoWithZone info(function);
- Linkage linkage(&info);
-
- // Manually transcribed code for:
- // function turbo_fan_test() {
- // m();
- // }
- // where m can lazy deopt (so it has a deopt block associated with it).
-
-
- // Start //
- // ^ //
- // | (EC) //
- // | //
- // /------> Call <--------------\ //
- // / ^ ^ \ //
- // / | | \ undef //
- // / / \ \ ^ //
- // (E) | (C) / \ (C) \ (E) | //
- // | Continuation LazyDeoptimization | | //
- // \___ ^ ^ / | //
- // \ | | ______/ Framestate //
- // undef \ | (VC) | (C) / ^ //
- // \ \ | | / / //
- // Return Deoptimization ----------/ //
- // ^ ^ //
- // \ / //
- // (C) \ / (C) //
- // \ / //
- // Merge //
- // ^ //
- // | //
- // End //
-
- Handle<Object> undef_object =
- Handle<Object>(isolate->heap()->undefined_value(), isolate);
- PrintableUnique<Object> undef_constant =
- PrintableUnique<Object>::CreateUninitialized(scope.main_zone(),
- undef_object);
-
- Node* undef_node = graph.NewNode(common_builder.HeapConstant(undef_constant));
-
- Node* start_node = graph.NewNode(common_builder.Start());
-
- CallDescriptor* descriptor = linkage.GetJSCallDescriptor(0);
- Node* call_node = graph.NewNode(common_builder.Call(descriptor),
- undef_node, // function
- undef_node, // context
- start_node, // effect
- start_node); // control
-
- Node* cont_node = graph.NewNode(common_builder.Continuation(), call_node);
- Node* lazy_deopt_node =
- graph.NewNode(common_builder.LazyDeoptimization(), call_node);
-
- FrameStateDescriptor stateDescriptor(BailoutId(1234));
- Node* state_node = graph.NewNode(common_builder.FrameState(stateDescriptor));
-
- Node* return_node = graph.NewNode(common_builder.Return(),
- undef_node, // return value
- call_node, // effect
- cont_node); // control
- Node* deoptimization_node = graph.NewNode(common_builder.Deoptimize(),
- state_node, // deopt environment
- call_node, // effect
- lazy_deopt_node); // control
-
- Node* merge_node =
- graph.NewNode(common_builder.Merge(2), return_node, deoptimization_node);
-
- Node* end_node = graph.NewNode(common_builder.End(), merge_node);
-
- graph.SetStart(start_node);
- graph.SetEnd(end_node);
-
- PrintGraph(&graph);
-
- Scheduler scheduler(scope.main_zone());
- Schedule* schedule = scheduler.NewSchedule(&graph);
-
- PrintSchedule(schedule);
-
- // Tests:
- // Continuation and deopt have basic blocks.
- BasicBlock* cont_block = schedule->block(cont_node);
- BasicBlock* deopt_block = schedule->block(lazy_deopt_node);
- BasicBlock* call_block = schedule->block(call_node);
- CHECK_NE(NULL, cont_block);
- CHECK_NE(NULL, deopt_block);
- CHECK_NE(NULL, call_block);
- // The basic blocks are different.
- CHECK_NE(cont_block, deopt_block);
- CHECK_NE(cont_block, call_block);
- CHECK_NE(deopt_block, call_block);
- // The call node finishes its own basic block.
- CHECK_EQ(BasicBlock::kCall, call_block->control_);
- CHECK_EQ(call_node, call_block->control_input_);
- // The lazy deopt block is deferred.
- CHECK(deopt_block->deferred_);
- CHECK(!call_block->deferred_);
- CHECK(!cont_block->deferred_);
- // The lazy deopt block contains framestate + bailout (and nothing else).
- CHECK_EQ(deoptimization_node, deopt_block->control_input_);
- CHECK_EQ(2, deopt_block->nodes_.size());
- CHECK_EQ(lazy_deopt_node, deopt_block->nodes_[0]);
- CHECK_EQ(state_node, deopt_block->nodes_[1]);
-}
« no previous file with comments | « test/cctest/compiler/compiler/test-schedule.cc ('k') | test/cctest/compiler/compiler/test-simplified-lowering.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698