1 // Copyright 2021 The Tint Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "src/resolver/resolver.h"
16
17 #include "gmock/gmock.h"
18 #include "src/ast/struct_block_decoration.h"
19 #include "src/resolver/resolver_test_helper.h"
20 #include "src/sem/struct.h"
21
22 using ::testing::UnorderedElementsAre;
23
24 namespace tint {
25 namespace resolver {
26 namespace {
27
28 using ResolverStorageClassUseTest = ResolverTest;
29
TEST_F(ResolverStorageClassUseTest,UnreachableStruct)30 TEST_F(ResolverStorageClassUseTest, UnreachableStruct) {
31 auto* s = Structure("S", {Member("a", ty.f32())});
32
33 ASSERT_TRUE(r()->Resolve()) << r()->error();
34
35 auto* sem = TypeOf(s)->As<sem::Struct>();
36 ASSERT_NE(sem, nullptr);
37 EXPECT_TRUE(sem->StorageClassUsage().empty());
38 }
39
TEST_F(ResolverStorageClassUseTest,StructReachableFromParameter)40 TEST_F(ResolverStorageClassUseTest, StructReachableFromParameter) {
41 auto* s = Structure("S", {Member("a", ty.f32())});
42
43 Func("f", {Param("param", ty.Of(s))}, ty.void_(), {}, {});
44
45 ASSERT_TRUE(r()->Resolve()) << r()->error();
46
47 auto* sem = TypeOf(s)->As<sem::Struct>();
48 ASSERT_NE(sem, nullptr);
49 EXPECT_THAT(sem->StorageClassUsage(),
50 UnorderedElementsAre(ast::StorageClass::kNone));
51 }
52
TEST_F(ResolverStorageClassUseTest,StructReachableFromReturnType)53 TEST_F(ResolverStorageClassUseTest, StructReachableFromReturnType) {
54 auto* s = Structure("S", {Member("a", ty.f32())});
55
56 Func("f", {}, ty.Of(s), {Return(Construct(ty.Of(s)))}, {});
57
58 ASSERT_TRUE(r()->Resolve()) << r()->error();
59
60 auto* sem = TypeOf(s)->As<sem::Struct>();
61 ASSERT_NE(sem, nullptr);
62 EXPECT_THAT(sem->StorageClassUsage(),
63 UnorderedElementsAre(ast::StorageClass::kNone));
64 }
65
TEST_F(ResolverStorageClassUseTest,StructReachableFromGlobal)66 TEST_F(ResolverStorageClassUseTest, StructReachableFromGlobal) {
67 auto* s = Structure("S", {Member("a", ty.f32())});
68
69 Global("g", ty.Of(s), ast::StorageClass::kPrivate);
70
71 ASSERT_TRUE(r()->Resolve()) << r()->error();
72
73 auto* sem = TypeOf(s)->As<sem::Struct>();
74 ASSERT_NE(sem, nullptr);
75 EXPECT_THAT(sem->StorageClassUsage(),
76 UnorderedElementsAre(ast::StorageClass::kPrivate));
77 }
78
TEST_F(ResolverStorageClassUseTest,StructReachableViaGlobalAlias)79 TEST_F(ResolverStorageClassUseTest, StructReachableViaGlobalAlias) {
80 auto* s = Structure("S", {Member("a", ty.f32())});
81 auto* a = Alias("A", ty.Of(s));
82 Global("g", ty.Of(a), ast::StorageClass::kPrivate);
83
84 ASSERT_TRUE(r()->Resolve()) << r()->error();
85
86 auto* sem = TypeOf(s)->As<sem::Struct>();
87 ASSERT_NE(sem, nullptr);
88 EXPECT_THAT(sem->StorageClassUsage(),
89 UnorderedElementsAre(ast::StorageClass::kPrivate));
90 }
91
TEST_F(ResolverStorageClassUseTest,StructReachableViaGlobalStruct)92 TEST_F(ResolverStorageClassUseTest, StructReachableViaGlobalStruct) {
93 auto* s = Structure("S", {Member("a", ty.f32())});
94 auto* o = Structure("O", {Member("a", ty.Of(s))});
95 Global("g", ty.Of(o), ast::StorageClass::kPrivate);
96
97 ASSERT_TRUE(r()->Resolve()) << r()->error();
98
99 auto* sem = TypeOf(s)->As<sem::Struct>();
100 ASSERT_NE(sem, nullptr);
101 EXPECT_THAT(sem->StorageClassUsage(),
102 UnorderedElementsAre(ast::StorageClass::kPrivate));
103 }
104
TEST_F(ResolverStorageClassUseTest,StructReachableViaGlobalArray)105 TEST_F(ResolverStorageClassUseTest, StructReachableViaGlobalArray) {
106 auto* s = Structure("S", {Member("a", ty.f32())});
107 auto* a = ty.array(ty.Of(s), 3);
108 Global("g", a, ast::StorageClass::kPrivate);
109
110 ASSERT_TRUE(r()->Resolve()) << r()->error();
111
112 auto* sem = TypeOf(s)->As<sem::Struct>();
113 ASSERT_NE(sem, nullptr);
114 EXPECT_THAT(sem->StorageClassUsage(),
115 UnorderedElementsAre(ast::StorageClass::kPrivate));
116 }
117
TEST_F(ResolverStorageClassUseTest,StructReachableFromLocal)118 TEST_F(ResolverStorageClassUseTest, StructReachableFromLocal) {
119 auto* s = Structure("S", {Member("a", ty.f32())});
120
121 WrapInFunction(Var("g", ty.Of(s)));
122
123 ASSERT_TRUE(r()->Resolve()) << r()->error();
124
125 auto* sem = TypeOf(s)->As<sem::Struct>();
126 ASSERT_NE(sem, nullptr);
127 EXPECT_THAT(sem->StorageClassUsage(),
128 UnorderedElementsAre(ast::StorageClass::kFunction));
129 }
130
TEST_F(ResolverStorageClassUseTest,StructReachableViaLocalAlias)131 TEST_F(ResolverStorageClassUseTest, StructReachableViaLocalAlias) {
132 auto* s = Structure("S", {Member("a", ty.f32())});
133 auto* a = Alias("A", ty.Of(s));
134 WrapInFunction(Var("g", ty.Of(a)));
135
136 ASSERT_TRUE(r()->Resolve()) << r()->error();
137
138 auto* sem = TypeOf(s)->As<sem::Struct>();
139 ASSERT_NE(sem, nullptr);
140 EXPECT_THAT(sem->StorageClassUsage(),
141 UnorderedElementsAre(ast::StorageClass::kFunction));
142 }
143
TEST_F(ResolverStorageClassUseTest,StructReachableViaLocalStruct)144 TEST_F(ResolverStorageClassUseTest, StructReachableViaLocalStruct) {
145 auto* s = Structure("S", {Member("a", ty.f32())});
146 auto* o = Structure("O", {Member("a", ty.Of(s))});
147 WrapInFunction(Var("g", ty.Of(o)));
148
149 ASSERT_TRUE(r()->Resolve()) << r()->error();
150
151 auto* sem = TypeOf(s)->As<sem::Struct>();
152 ASSERT_NE(sem, nullptr);
153 EXPECT_THAT(sem->StorageClassUsage(),
154 UnorderedElementsAre(ast::StorageClass::kFunction));
155 }
156
TEST_F(ResolverStorageClassUseTest,StructReachableViaLocalArray)157 TEST_F(ResolverStorageClassUseTest, StructReachableViaLocalArray) {
158 auto* s = Structure("S", {Member("a", ty.f32())});
159 auto* a = ty.array(ty.Of(s), 3);
160 WrapInFunction(Var("g", a));
161
162 ASSERT_TRUE(r()->Resolve()) << r()->error();
163
164 auto* sem = TypeOf(s)->As<sem::Struct>();
165 ASSERT_NE(sem, nullptr);
166 EXPECT_THAT(sem->StorageClassUsage(),
167 UnorderedElementsAre(ast::StorageClass::kFunction));
168 }
169
TEST_F(ResolverStorageClassUseTest,StructMultipleStorageClassUses)170 TEST_F(ResolverStorageClassUseTest, StructMultipleStorageClassUses) {
171 auto* s = Structure("S", {Member("a", ty.f32())},
172 {create<ast::StructBlockDecoration>()});
173 Global("x", ty.Of(s), ast::StorageClass::kUniform,
174 ast::DecorationList{
175 create<ast::BindingDecoration>(0),
176 create<ast::GroupDecoration>(0),
177 });
178 Global("y", ty.Of(s), ast::StorageClass::kStorage, ast::Access::kRead,
179 ast::DecorationList{
180 create<ast::BindingDecoration>(1),
181 create<ast::GroupDecoration>(0),
182 });
183 WrapInFunction(Var("g", ty.Of(s)));
184
185 ASSERT_TRUE(r()->Resolve()) << r()->error();
186
187 auto* sem = TypeOf(s)->As<sem::Struct>();
188 ASSERT_NE(sem, nullptr);
189 EXPECT_THAT(sem->StorageClassUsage(),
190 UnorderedElementsAre(ast::StorageClass::kUniform,
191 ast::StorageClass::kStorage,
192 ast::StorageClass::kFunction));
193 }
194
195 } // namespace
196 } // namespace resolver
197 } // namespace tint
198