58b0023fa8
R=jarin@chromium.org TEST=cctest/test-graph-visualizer Review URL: https://codereview.chromium.org/1115603003 Cr-Commit-Position: refs/heads/master@{#28134}
128 lines
3.8 KiB
C++
128 lines
3.8 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/v8.h"
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#include "test/cctest/cctest.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/machine-operator.h"
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#include "src/compiler/node.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/source-position.h"
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#include "src/compiler/verifier.h"
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using namespace v8::internal;
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using namespace v8::internal::compiler;
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static Operator dummy_operator(IrOpcode::kParameter, Operator::kNoWrite,
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"dummy", 0, 0, 0, 1, 0, 0);
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TEST(NodeWithNullInputReachableFromEnd) {
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HandleAndZoneScope scope;
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Graph graph(scope.main_zone());
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CommonOperatorBuilder common(scope.main_zone());
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Node* start = graph.NewNode(common.Start(0));
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graph.SetStart(start);
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Node* k = graph.NewNode(common.Int32Constant(0));
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Node* phi = graph.NewNode(common.Phi(kMachAnyTagged, 1), k, start);
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phi->ReplaceInput(0, NULL);
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graph.SetEnd(phi);
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OFStream os(stdout);
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os << AsDOT(graph);
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SourcePositionTable table(&graph);
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os << AsJSON(graph, &table);
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}
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TEST(NodeWithNullControlReachableFromEnd) {
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HandleAndZoneScope scope;
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Graph graph(scope.main_zone());
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CommonOperatorBuilder common(scope.main_zone());
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Node* start = graph.NewNode(common.Start(0));
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graph.SetStart(start);
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Node* k = graph.NewNode(common.Int32Constant(0));
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Node* phi = graph.NewNode(common.Phi(kMachAnyTagged, 1), k, start);
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phi->ReplaceInput(1, NULL);
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graph.SetEnd(phi);
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OFStream os(stdout);
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os << AsDOT(graph);
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SourcePositionTable table(&graph);
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os << AsJSON(graph, &table);
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}
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TEST(NodeWithNullInputReachableFromStart) {
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HandleAndZoneScope scope;
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Graph graph(scope.main_zone());
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CommonOperatorBuilder common(scope.main_zone());
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Node* start = graph.NewNode(common.Start(0));
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graph.SetStart(start);
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Node* k = graph.NewNode(common.Int32Constant(0));
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Node* phi = graph.NewNode(common.Phi(kMachAnyTagged, 1), k, start);
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phi->ReplaceInput(0, NULL);
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graph.SetEnd(start);
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OFStream os(stdout);
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os << AsDOT(graph);
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SourcePositionTable table(&graph);
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os << AsJSON(graph, &table);
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}
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TEST(NodeWithNullControlReachableFromStart) {
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HandleAndZoneScope scope;
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Graph graph(scope.main_zone());
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CommonOperatorBuilder common(scope.main_zone());
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Node* start = graph.NewNode(common.Start(0));
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graph.SetStart(start);
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Node* merge = graph.NewNode(common.Merge(2), start, start);
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merge->ReplaceInput(1, NULL);
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graph.SetEnd(merge);
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OFStream os(stdout);
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os << AsDOT(graph);
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SourcePositionTable table(&graph);
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os << AsJSON(graph, &table);
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}
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TEST(NodeNetworkOfDummiesReachableFromEnd) {
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HandleAndZoneScope scope;
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Graph graph(scope.main_zone());
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CommonOperatorBuilder common(scope.main_zone());
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Node* start = graph.NewNode(common.Start(0));
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graph.SetStart(start);
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Node* n2 = graph.NewNode(&dummy_operator, graph.start());
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Node* n3 = graph.NewNode(&dummy_operator, graph.start());
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Node* n4 = graph.NewNode(&dummy_operator, n2);
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Node* n5 = graph.NewNode(&dummy_operator, n2);
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Node* n6 = graph.NewNode(&dummy_operator, n3);
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Node* n7 = graph.NewNode(&dummy_operator, n3);
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Node* n8 = graph.NewNode(&dummy_operator, n5);
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Node* n9 = graph.NewNode(&dummy_operator, n5);
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Node* n10 = graph.NewNode(&dummy_operator, n9);
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Node* n11 = graph.NewNode(&dummy_operator, n9);
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Node* end_dependencies[6] = {n4, n8, n10, n11, n6, n7};
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Node* end = graph.NewNode(&dummy_operator, 6, end_dependencies);
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graph.SetEnd(end);
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OFStream os(stdout);
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os << AsDOT(graph);
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SourcePositionTable table(&graph);
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os << AsJSON(graph, &table);
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}
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