93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
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// 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/generic-node-inl.h"
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#include "src/compiler/generic-node.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/verifier.h"
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using namespace v8::internal;
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using namespace v8::internal::compiler;
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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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os << AsJSON(graph);
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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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os << AsJSON(graph);
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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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os << AsJSON(graph);
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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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os << AsJSON(graph);
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}
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