1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "src/compiler/common-operator.h"
6 #include "src/compiler/node-properties.h"
7 #include "test/unittests/test-utils.h"
8 #include "testing/gmock/include/gmock/gmock.h"
11 using testing::IsNull;
17 typedef TestWithZone NodePropertiesTest;
20 TEST_F(NodePropertiesTest, FindProjection) {
21 CommonOperatorBuilder common(zone());
22 Node* start = Node::New(zone(), 0, common.Start(1), 0, nullptr, false);
23 Node* proj0 = Node::New(zone(), 1, common.Projection(0), 1, &start, false);
24 Node* proj1 = Node::New(zone(), 2, common.Projection(1), 1, &start, false);
25 EXPECT_EQ(proj0, NodeProperties::FindProjection(start, 0));
26 EXPECT_EQ(proj1, NodeProperties::FindProjection(start, 1));
27 EXPECT_THAT(NodeProperties::FindProjection(start, 2), IsNull());
28 EXPECT_THAT(NodeProperties::FindProjection(start, 1234567890), IsNull());
32 TEST_F(NodePropertiesTest, CollectControlProjections_Branch) {
34 CommonOperatorBuilder common(zone());
35 Node* branch = Node::New(zone(), 1, common.Branch(), 0, nullptr, false);
36 Node* if_false = Node::New(zone(), 2, common.IfFalse(), 1, &branch, false);
37 Node* if_true = Node::New(zone(), 3, common.IfTrue(), 1, &branch, false);
38 NodeProperties::CollectControlProjections(branch, result, arraysize(result));
39 EXPECT_EQ(if_true, result[0]);
40 EXPECT_EQ(if_false, result[1]);
44 TEST_F(NodePropertiesTest, CollectControlProjections_Switch) {
46 CommonOperatorBuilder common(zone());
47 Node* sw = Node::New(zone(), 1, common.Switch(3), 0, nullptr, false);
48 Node* if_default = Node::New(zone(), 2, common.IfDefault(), 1, &sw, false);
49 Node* if_value1 = Node::New(zone(), 3, common.IfValue(1), 1, &sw, false);
50 Node* if_value2 = Node::New(zone(), 4, common.IfValue(2), 1, &sw, false);
51 NodeProperties::CollectControlProjections(sw, result, arraysize(result));
52 EXPECT_THAT(result[0], AnyOf(if_value1, if_value2));
53 EXPECT_THAT(result[1], AnyOf(if_value1, if_value2));
54 EXPECT_EQ(if_default, result[2]);
57 } // namespace compiler
58 } // namespace internal