| // Copyright (c) 2019 Google LLC. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <vector> |
| |
| #include "test/opt/pass_fixture.h" |
| #include "test/opt/pass_utils.h" |
| |
| namespace spvtools { |
| namespace opt { |
| namespace { |
| |
| using DecomposeInitializedVariablesTest = PassTest<::testing::Test>; |
| |
| void operator+=(std::vector<const char*>& lhs, |
| const std::vector<const char*> rhs) { |
| for (auto elem : rhs) lhs.push_back(elem); |
| } |
| |
| std::vector<const char*> header = { |
| "OpCapability Shader", |
| "OpCapability VulkanMemoryModelKHR", |
| "OpExtension \"SPV_KHR_vulkan_memory_model\"", |
| "OpMemoryModel Logical VulkanKHR", |
| "OpEntryPoint Vertex %1 \"shader\"", |
| "%uint = OpTypeInt 32 0", |
| "%uint_1 = OpConstant %uint 1", |
| "%4 = OpConstantNull %uint", |
| "%void = OpTypeVoid", |
| "%6 = OpTypeFunction %void"}; |
| |
| std::string GetFunctionTest(std::vector<const char*> body) { |
| auto result = header; |
| result += {"%_ptr_Function_uint = OpTypePointer Function %uint", |
| "%1 = OpFunction %void None %6", "%8 = OpLabel"}; |
| result += body; |
| result += {"OpReturn", "OpFunctionEnd"}; |
| return JoinAllInsts(result); |
| } |
| |
| TEST_F(DecomposeInitializedVariablesTest, FunctionChanged) { |
| std::string input = |
| GetFunctionTest({"%9 = OpVariable %_ptr_Function_uint Function %uint_1"}); |
| std::string expected = GetFunctionTest( |
| {"%9 = OpVariable %_ptr_Function_uint Function", "OpStore %9 %uint_1"}); |
| |
| SinglePassRunAndCheck<DecomposeInitializedVariablesPass>( |
| input, expected, /* skip_nop = */ false); |
| } |
| |
| TEST_F(DecomposeInitializedVariablesTest, FunctionUnchanged) { |
| std::string input = |
| GetFunctionTest({"%9 = OpVariable %_ptr_Function_uint Function"}); |
| |
| SinglePassRunAndCheck<DecomposeInitializedVariablesPass>( |
| input, input, /* skip_nop = */ false); |
| } |
| |
| TEST_F(DecomposeInitializedVariablesTest, FunctionMultipleVariables) { |
| std::string input = |
| GetFunctionTest({"%9 = OpVariable %_ptr_Function_uint Function %uint_1", |
| "%10 = OpVariable %_ptr_Function_uint Function %4"}); |
| std::string expected = |
| GetFunctionTest({"%9 = OpVariable %_ptr_Function_uint Function", |
| "%10 = OpVariable %_ptr_Function_uint Function", |
| "OpStore %9 %uint_1", "OpStore %10 %4"}); |
| |
| SinglePassRunAndCheck<DecomposeInitializedVariablesPass>( |
| input, expected, /* skip_nop = */ false); |
| } |
| |
| } // namespace |
| } // namespace opt |
| } // namespace spvtools |