1 // Copyright (c) 2015-2016 The Khronos Group Inc.
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 <vector>
16
17 #include "gmock/gmock.h"
18 #include "source/operand.h"
19 #include "test/unit_spirv.h"
20
21 namespace spvtools {
22 namespace {
23
24 using ::testing::Eq;
25
TEST(OperandPattern,InitiallyEmpty)26 TEST(OperandPattern, InitiallyEmpty) {
27 spv_operand_pattern_t empty;
28 EXPECT_THAT(empty, Eq(spv_operand_pattern_t{}));
29 EXPECT_EQ(0u, empty.size());
30 EXPECT_TRUE(empty.empty());
31 }
32
TEST(OperandPattern,PushBacksAreOnTheRight)33 TEST(OperandPattern, PushBacksAreOnTheRight) {
34 spv_operand_pattern_t pattern;
35
36 pattern.push_back(SPV_OPERAND_TYPE_ID);
37 EXPECT_THAT(pattern, Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_ID}));
38 EXPECT_EQ(1u, pattern.size());
39 EXPECT_TRUE(!pattern.empty());
40 EXPECT_EQ(SPV_OPERAND_TYPE_ID, pattern.back());
41
42 pattern.push_back(SPV_OPERAND_TYPE_NONE);
43 EXPECT_THAT(pattern, Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_ID,
44 SPV_OPERAND_TYPE_NONE}));
45 EXPECT_EQ(2u, pattern.size());
46 EXPECT_TRUE(!pattern.empty());
47 EXPECT_EQ(SPV_OPERAND_TYPE_NONE, pattern.back());
48 }
49
TEST(OperandPattern,PopBacksAreOnTheRight)50 TEST(OperandPattern, PopBacksAreOnTheRight) {
51 spv_operand_pattern_t pattern{SPV_OPERAND_TYPE_ID,
52 SPV_OPERAND_TYPE_LITERAL_INTEGER};
53
54 pattern.pop_back();
55 EXPECT_THAT(pattern, Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_ID}));
56
57 pattern.pop_back();
58 EXPECT_THAT(pattern, Eq(spv_operand_pattern_t{}));
59 }
60
61 // A test case for typed mask expansion
62 struct MaskExpansionCase {
63 spv_operand_type_t type;
64 uint32_t mask;
65 spv_operand_pattern_t initial;
66 spv_operand_pattern_t expected;
67 };
68
69 using MaskExpansionTest = ::testing::TestWithParam<MaskExpansionCase>;
70
TEST_P(MaskExpansionTest,Sample)71 TEST_P(MaskExpansionTest, Sample) {
72 spv_operand_table operandTable = nullptr;
73 auto env = SPV_ENV_UNIVERSAL_1_0;
74 ASSERT_EQ(SPV_SUCCESS, spvOperandTableGet(&operandTable, env));
75
76 spv_operand_pattern_t pattern(GetParam().initial);
77 spvPushOperandTypesForMask(env, operandTable, GetParam().type,
78 GetParam().mask, &pattern);
79 EXPECT_THAT(pattern, Eq(GetParam().expected));
80 }
81
82 // These macros let us write non-trivial examples without too much text.
83 #define PREFIX0 SPV_OPERAND_TYPE_ID, SPV_OPERAND_TYPE_NONE
84 #define PREFIX1 \
85 SPV_OPERAND_TYPE_STORAGE_CLASS, SPV_OPERAND_TYPE_SAMPLER_FILTER_MODE, \
86 SPV_OPERAND_TYPE_ID
87 INSTANTIATE_TEST_CASE_P(
88 OperandPattern, MaskExpansionTest,
89 ::testing::ValuesIn(std::vector<MaskExpansionCase>{
90 // No bits means no change.
91 {SPV_OPERAND_TYPE_OPTIONAL_MEMORY_ACCESS, 0, {PREFIX0}, {PREFIX0}},
92 // Unknown bits means no change. Use all bits that aren't in the
93 // grammar.
94 // The last mask enum is 0x20
95 {SPV_OPERAND_TYPE_OPTIONAL_MEMORY_ACCESS,
96 0xffffffc0,
97 {PREFIX1},
98 {PREFIX1}},
99 // Volatile has no operands.
100 {SPV_OPERAND_TYPE_OPTIONAL_MEMORY_ACCESS,
101 SpvMemoryAccessVolatileMask,
102 {PREFIX0},
103 {PREFIX0}},
104 // Aligned has one literal number operand.
105 {SPV_OPERAND_TYPE_OPTIONAL_MEMORY_ACCESS,
106 SpvMemoryAccessAlignedMask,
107 {PREFIX1},
108 {PREFIX1, SPV_OPERAND_TYPE_LITERAL_INTEGER}},
109 // Volatile with Aligned still has just one literal number operand.
110 {SPV_OPERAND_TYPE_OPTIONAL_MEMORY_ACCESS,
111 SpvMemoryAccessVolatileMask | SpvMemoryAccessAlignedMask,
112 {PREFIX1},
113 {PREFIX1, SPV_OPERAND_TYPE_LITERAL_INTEGER}},
114 }), );
115 #undef PREFIX0
116 #undef PREFIX1
117
118 // Returns a vector of all operand types that can be used in a pattern.
allOperandTypes()119 std::vector<spv_operand_type_t> allOperandTypes() {
120 std::vector<spv_operand_type_t> result;
121 for (int i = 0; i < SPV_OPERAND_TYPE_NUM_OPERAND_TYPES; i++) {
122 result.push_back(spv_operand_type_t(i));
123 }
124 return result;
125 }
126
127 using MatchableOperandExpansionTest =
128 ::testing::TestWithParam<spv_operand_type_t>;
129
TEST_P(MatchableOperandExpansionTest,MatchableOperandsDontExpand)130 TEST_P(MatchableOperandExpansionTest, MatchableOperandsDontExpand) {
131 const spv_operand_type_t type = GetParam();
132 if (!spvOperandIsVariable(type)) {
133 spv_operand_pattern_t pattern;
134 const bool did_expand = spvExpandOperandSequenceOnce(type, &pattern);
135 EXPECT_FALSE(did_expand);
136 EXPECT_THAT(pattern, Eq(spv_operand_pattern_t{}));
137 }
138 }
139
140 INSTANTIATE_TEST_CASE_P(MatchableOperandExpansion,
141 MatchableOperandExpansionTest,
142 ::testing::ValuesIn(allOperandTypes()), );
143
144 using VariableOperandExpansionTest =
145 ::testing::TestWithParam<spv_operand_type_t>;
146
TEST_P(VariableOperandExpansionTest,NonMatchableOperandsExpand)147 TEST_P(VariableOperandExpansionTest, NonMatchableOperandsExpand) {
148 const spv_operand_type_t type = GetParam();
149 if (spvOperandIsVariable(type)) {
150 spv_operand_pattern_t pattern;
151 const bool did_expand = spvExpandOperandSequenceOnce(type, &pattern);
152 EXPECT_TRUE(did_expand);
153 EXPECT_FALSE(pattern.empty());
154 // For the existing rules, the first expansion of a zero-or-more operand
155 // type yields a matchable operand type. This isn't strictly necessary.
156 EXPECT_FALSE(spvOperandIsVariable(pattern.back()));
157 }
158 }
159
160 INSTANTIATE_TEST_CASE_P(NonMatchableOperandExpansion,
161 VariableOperandExpansionTest,
162 ::testing::ValuesIn(allOperandTypes()), );
163
TEST(AlternatePatternFollowingImmediate,Empty)164 TEST(AlternatePatternFollowingImmediate, Empty) {
165 EXPECT_THAT(spvAlternatePatternFollowingImmediate({}),
166 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV}));
167 }
168
TEST(AlternatePatternFollowingImmediate,SingleElement)169 TEST(AlternatePatternFollowingImmediate, SingleElement) {
170 // Spot-check a random selection of types.
171 EXPECT_THAT(spvAlternatePatternFollowingImmediate(
172 {SPV_OPERAND_TYPE_VARIABLE_ID_LITERAL_INTEGER}),
173 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV}));
174 EXPECT_THAT(
175 spvAlternatePatternFollowingImmediate({SPV_OPERAND_TYPE_CAPABILITY}),
176 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV}));
177 EXPECT_THAT(
178 spvAlternatePatternFollowingImmediate({SPV_OPERAND_TYPE_LOOP_CONTROL}),
179 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV}));
180 EXPECT_THAT(spvAlternatePatternFollowingImmediate(
181 {SPV_OPERAND_TYPE_OPTIONAL_LITERAL_INTEGER}),
182 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV}));
183 EXPECT_THAT(spvAlternatePatternFollowingImmediate({SPV_OPERAND_TYPE_ID}),
184 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV}));
185 }
186
TEST(AlternatePatternFollowingImmediate,SingleResultId)187 TEST(AlternatePatternFollowingImmediate, SingleResultId) {
188 EXPECT_THAT(
189 spvAlternatePatternFollowingImmediate({SPV_OPERAND_TYPE_RESULT_ID}),
190 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV,
191 SPV_OPERAND_TYPE_RESULT_ID}));
192 }
193
TEST(AlternatePatternFollowingImmediate,MultipleNonResultIds)194 TEST(AlternatePatternFollowingImmediate, MultipleNonResultIds) {
195 EXPECT_THAT(
196 spvAlternatePatternFollowingImmediate(
197 {SPV_OPERAND_TYPE_VARIABLE_ID_LITERAL_INTEGER,
198 SPV_OPERAND_TYPE_CAPABILITY, SPV_OPERAND_TYPE_LOOP_CONTROL,
199 SPV_OPERAND_TYPE_OPTIONAL_LITERAL_INTEGER, SPV_OPERAND_TYPE_ID}),
200 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV}));
201 }
202
TEST(AlternatePatternFollowingImmediate,ResultIdFront)203 TEST(AlternatePatternFollowingImmediate, ResultIdFront) {
204 EXPECT_THAT(spvAlternatePatternFollowingImmediate(
205 {SPV_OPERAND_TYPE_RESULT_ID, SPV_OPERAND_TYPE_ID}),
206 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV,
207 SPV_OPERAND_TYPE_RESULT_ID,
208 SPV_OPERAND_TYPE_OPTIONAL_CIV}));
209 EXPECT_THAT(
210 spvAlternatePatternFollowingImmediate({SPV_OPERAND_TYPE_RESULT_ID,
211 SPV_OPERAND_TYPE_FP_ROUNDING_MODE,
212 SPV_OPERAND_TYPE_ID}),
213 Eq(spv_operand_pattern_t{
214 SPV_OPERAND_TYPE_OPTIONAL_CIV, SPV_OPERAND_TYPE_RESULT_ID,
215 SPV_OPERAND_TYPE_OPTIONAL_CIV, SPV_OPERAND_TYPE_OPTIONAL_CIV}));
216 EXPECT_THAT(
217 spvAlternatePatternFollowingImmediate(
218 {SPV_OPERAND_TYPE_RESULT_ID, SPV_OPERAND_TYPE_DIMENSIONALITY,
219 SPV_OPERAND_TYPE_LINKAGE_TYPE,
220 SPV_OPERAND_TYPE_FUNCTION_PARAMETER_ATTRIBUTE,
221 SPV_OPERAND_TYPE_FP_ROUNDING_MODE, SPV_OPERAND_TYPE_ID,
222 SPV_OPERAND_TYPE_VARIABLE_ID}),
223 Eq(spv_operand_pattern_t{
224 SPV_OPERAND_TYPE_OPTIONAL_CIV, SPV_OPERAND_TYPE_RESULT_ID,
225 SPV_OPERAND_TYPE_OPTIONAL_CIV, SPV_OPERAND_TYPE_OPTIONAL_CIV,
226 SPV_OPERAND_TYPE_OPTIONAL_CIV, SPV_OPERAND_TYPE_OPTIONAL_CIV,
227 SPV_OPERAND_TYPE_OPTIONAL_CIV, SPV_OPERAND_TYPE_OPTIONAL_CIV}));
228 }
229
TEST(AlternatePatternFollowingImmediate,ResultIdMiddle)230 TEST(AlternatePatternFollowingImmediate, ResultIdMiddle) {
231 EXPECT_THAT(spvAlternatePatternFollowingImmediate(
232 {SPV_OPERAND_TYPE_FP_ROUNDING_MODE,
233 SPV_OPERAND_TYPE_RESULT_ID, SPV_OPERAND_TYPE_ID}),
234 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV,
235 SPV_OPERAND_TYPE_RESULT_ID,
236 SPV_OPERAND_TYPE_OPTIONAL_CIV}));
237 EXPECT_THAT(
238 spvAlternatePatternFollowingImmediate(
239 {SPV_OPERAND_TYPE_DIMENSIONALITY, SPV_OPERAND_TYPE_LINKAGE_TYPE,
240 SPV_OPERAND_TYPE_FUNCTION_PARAMETER_ATTRIBUTE,
241 SPV_OPERAND_TYPE_RESULT_ID, SPV_OPERAND_TYPE_FP_ROUNDING_MODE,
242 SPV_OPERAND_TYPE_ID, SPV_OPERAND_TYPE_VARIABLE_ID}),
243 Eq(spv_operand_pattern_t{
244 SPV_OPERAND_TYPE_OPTIONAL_CIV, SPV_OPERAND_TYPE_RESULT_ID,
245 SPV_OPERAND_TYPE_OPTIONAL_CIV, SPV_OPERAND_TYPE_OPTIONAL_CIV,
246 SPV_OPERAND_TYPE_OPTIONAL_CIV}));
247 }
248
TEST(AlternatePatternFollowingImmediate,ResultIdBack)249 TEST(AlternatePatternFollowingImmediate, ResultIdBack) {
250 EXPECT_THAT(spvAlternatePatternFollowingImmediate(
251 {SPV_OPERAND_TYPE_ID, SPV_OPERAND_TYPE_RESULT_ID}),
252 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV,
253 SPV_OPERAND_TYPE_RESULT_ID}));
254 EXPECT_THAT(spvAlternatePatternFollowingImmediate(
255 {SPV_OPERAND_TYPE_FP_ROUNDING_MODE, SPV_OPERAND_TYPE_ID,
256 SPV_OPERAND_TYPE_RESULT_ID}),
257 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV,
258 SPV_OPERAND_TYPE_RESULT_ID}));
259 EXPECT_THAT(
260 spvAlternatePatternFollowingImmediate(
261 {SPV_OPERAND_TYPE_DIMENSIONALITY, SPV_OPERAND_TYPE_LINKAGE_TYPE,
262 SPV_OPERAND_TYPE_FUNCTION_PARAMETER_ATTRIBUTE,
263 SPV_OPERAND_TYPE_FP_ROUNDING_MODE, SPV_OPERAND_TYPE_ID,
264 SPV_OPERAND_TYPE_VARIABLE_ID, SPV_OPERAND_TYPE_RESULT_ID}),
265 Eq(spv_operand_pattern_t{SPV_OPERAND_TYPE_OPTIONAL_CIV,
266 SPV_OPERAND_TYPE_RESULT_ID}));
267 }
268
269 } // namespace
270 } // namespace spvtools
271