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- // Copyright (c) 2018 Pierre Moreau
- //
- // 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 <string>
- #include "gmock/gmock.h"
- #include "test/link/linker_fixture.h"
- namespace spvtools {
- namespace {
- using ::testing::HasSubstr;
- using PartialLinkage = spvtest::LinkerTest;
- TEST_F(PartialLinkage, Allowed) {
- const std::string body1 = R"(
- OpCapability Linkage
- OpDecorate %1 LinkageAttributes "foo" Import
- OpDecorate %2 LinkageAttributes "bar" Import
- %3 = OpTypeFloat 32
- %1 = OpVariable %3 Uniform
- %2 = OpVariable %3 Uniform
- )";
- const std::string body2 = R"(
- OpCapability Linkage
- OpDecorate %1 LinkageAttributes "bar" Export
- %2 = OpTypeFloat 32
- %3 = OpConstant %2 3.1415
- %1 = OpVariable %2 Uniform %3
- )";
- spvtest::Binary linked_binary;
- LinkerOptions linker_options;
- linker_options.SetAllowPartialLinkage(true);
- ASSERT_EQ(SPV_SUCCESS,
- AssembleAndLink({body1, body2}, &linked_binary, linker_options));
- const std::string expected_res = R"(OpCapability Linkage
- OpModuleProcessed "Linked by SPIR-V Tools Linker"
- OpDecorate %1 LinkageAttributes "foo" Import
- %2 = OpTypeFloat 32
- %1 = OpVariable %2 Uniform
- %3 = OpConstant %2 3.1415
- %4 = OpVariable %2 Uniform %3
- )";
- std::string res_body;
- SetDisassembleOptions(SPV_BINARY_TO_TEXT_OPTION_NO_HEADER);
- ASSERT_EQ(SPV_SUCCESS, Disassemble(linked_binary, &res_body))
- << GetErrorMessage();
- EXPECT_EQ(expected_res, res_body);
- }
- TEST_F(PartialLinkage, Disallowed) {
- const std::string body1 = R"(
- OpCapability Linkage
- OpDecorate %1 LinkageAttributes "foo" Import
- OpDecorate %2 LinkageAttributes "bar" Import
- %3 = OpTypeFloat 32
- %1 = OpVariable %3 Uniform
- %2 = OpVariable %3 Uniform
- )";
- const std::string body2 = R"(
- OpCapability Linkage
- OpDecorate %1 LinkageAttributes "bar" Export
- %2 = OpTypeFloat 32
- %3 = OpConstant %2 3.1415
- %1 = OpVariable %2 Uniform %3
- )";
- spvtest::Binary linked_binary;
- EXPECT_EQ(SPV_ERROR_INVALID_BINARY,
- AssembleAndLink({body1, body2}, &linked_binary));
- EXPECT_THAT(GetErrorMessage(),
- HasSubstr("Unresolved external reference to \"foo\"."));
- }
- } // namespace
- } // namespace spvtools
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