mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-26 09:41:03 +00:00
290 lines
7.7 KiB
C++
290 lines
7.7 KiB
C++
// Copyright (c) 2018 LunarG Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <sstream>
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#include <string>
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#include "gmock/gmock.h"
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#include "unit_spirv.h"
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#include "val_fixtures.h"
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namespace spvtools {
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namespace val {
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namespace {
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using ::testing::HasSubstr;
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using ::testing::Not;
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using ValidateAdjacency = spvtest::ValidateBase<bool>;
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TEST_F(ValidateAdjacency, OpPhiBeginsModuleFail) {
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const std::string module = R"(
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%result = OpPhi %bool %true %true_label %false %false_label
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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%void = OpTypeVoid
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%bool = OpTypeBool
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%true = OpConstantTrue %bool
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%false = OpConstantFalse %bool
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%func = OpTypeFunction %void
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%main = OpFunction %void None %func
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%main_entry = OpLabel
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OpBranch %true_label
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%true_label = OpLabel
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OpBranch %false_label
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%false_label = OpLabel
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OpBranch %end_label
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OpReturn
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OpFunctionEnd
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)";
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CompileSuccessfully(module);
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EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
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EXPECT_THAT(getDiagnosticString(), HasSubstr("ID 1 has not been defined"));
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}
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TEST_F(ValidateAdjacency, OpLoopMergeEndsModuleFail) {
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const std::string module = R"(
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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%void = OpTypeVoid
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%func = OpTypeFunction %void
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%main = OpFunction %void None %func
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%main_entry = OpLabel
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OpBranch %loop
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%loop = OpLabel
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OpLoopMerge %end %loop None
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)";
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CompileSuccessfully(module);
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EXPECT_EQ(SPV_ERROR_INVALID_LAYOUT, ValidateInstructions());
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EXPECT_THAT(getDiagnosticString(),
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HasSubstr("Missing OpFunctionEnd at end of module"));
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}
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TEST_F(ValidateAdjacency, OpSelectionMergeEndsModuleFail) {
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const std::string module = R"(
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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%void = OpTypeVoid
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%func = OpTypeFunction %void
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%main = OpFunction %void None %func
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%main_entry = OpLabel
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OpBranch %merge
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%merge = OpLabel
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OpSelectionMerge %merge None
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)";
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CompileSuccessfully(module);
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EXPECT_EQ(SPV_ERROR_INVALID_LAYOUT, ValidateInstructions());
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EXPECT_THAT(getDiagnosticString(),
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HasSubstr("Missing OpFunctionEnd at end of module"));
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}
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std::string GenerateShaderCode(
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const std::string& body,
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const std::string& capabilities_and_extensions = "OpCapability Shader",
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const std::string& execution_model = "Fragment") {
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std::ostringstream ss;
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ss << capabilities_and_extensions << "\n";
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ss << "OpMemoryModel Logical GLSL450\n";
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ss << "OpEntryPoint " << execution_model << " %main \"main\"\n";
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ss << R"(
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%string = OpString ""
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%void = OpTypeVoid
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%bool = OpTypeBool
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%int = OpTypeInt 32 0
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%true = OpConstantTrue %bool
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%false = OpConstantFalse %bool
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%zero = OpConstant %int 0
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%func = OpTypeFunction %void
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%main = OpFunction %void None %func
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%main_entry = OpLabel
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)";
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ss << body;
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ss << R"(
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OpReturn
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OpFunctionEnd)";
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return ss.str();
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}
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TEST_F(ValidateAdjacency, OpPhiPreceededByOpLabelSuccess) {
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const std::string body = R"(
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OpSelectionMerge %end_label None
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OpBranchConditional %true %true_label %false_label
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%true_label = OpLabel
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OpBranch %end_label
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%false_label = OpLabel
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OpBranch %end_label
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%end_label = OpLabel
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%line = OpLine %string 0 0
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%result = OpPhi %bool %true %true_label %false %false_label
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)";
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CompileSuccessfully(GenerateShaderCode(body));
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EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
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}
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TEST_F(ValidateAdjacency, OpPhiPreceededByOpPhiSuccess) {
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const std::string body = R"(
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OpSelectionMerge %end_label None
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OpBranchConditional %true %true_label %false_label
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%true_label = OpLabel
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OpBranch %end_label
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%false_label = OpLabel
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OpBranch %end_label
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%end_label = OpLabel
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%1 = OpPhi %bool %true %true_label %false %false_label
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%2 = OpPhi %bool %true %true_label %false %false_label
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)";
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CompileSuccessfully(GenerateShaderCode(body));
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EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
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}
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TEST_F(ValidateAdjacency, OpPhiPreceededByOpLineSuccess) {
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const std::string body = R"(
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OpSelectionMerge %end_label None
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OpBranchConditional %true %true_label %false_label
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%true_label = OpLabel
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OpBranch %end_label
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%false_label = OpLabel
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OpBranch %end_label
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%end_label = OpLabel
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%line = OpLine %string 0 0
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%result = OpPhi %bool %true %true_label %false %false_label
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)";
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CompileSuccessfully(GenerateShaderCode(body));
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EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
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}
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TEST_F(ValidateAdjacency, OpPhiPreceededByBadOpFail) {
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const std::string body = R"(
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OpSelectionMerge %end_label None
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OpBranchConditional %true %true_label %false_label
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%true_label = OpLabel
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OpBranch %end_label
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%false_label = OpLabel
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OpBranch %end_label
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%end_label = OpLabel
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OpNop
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%result = OpPhi %bool %true %true_label %false %false_label
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)";
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CompileSuccessfully(GenerateShaderCode(body));
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EXPECT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
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EXPECT_THAT(getDiagnosticString(),
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HasSubstr("OpPhi must appear before all non-OpPhi instructions"));
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}
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TEST_F(ValidateAdjacency, OpLoopMergePreceedsOpBranchSuccess) {
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const std::string body = R"(
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OpBranch %loop
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%loop = OpLabel
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OpLoopMerge %end %loop None
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OpBranch %loop
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%end = OpLabel
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)";
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CompileSuccessfully(GenerateShaderCode(body));
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EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
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}
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TEST_F(ValidateAdjacency, OpLoopMergePreceedsOpBranchConditionalSuccess) {
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const std::string body = R"(
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OpBranch %loop
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%loop = OpLabel
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OpLoopMerge %end %loop None
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OpBranchConditional %true %loop %end
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%end = OpLabel
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)";
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CompileSuccessfully(GenerateShaderCode(body));
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EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
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}
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TEST_F(ValidateAdjacency, OpLoopMergePreceedsBadOpFail) {
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const std::string body = R"(
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OpBranch %loop
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%loop = OpLabel
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OpLoopMerge %end %loop None
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OpNop
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OpBranchConditional %true %loop %end
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%end = OpLabel
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)";
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CompileSuccessfully(GenerateShaderCode(body));
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EXPECT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
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EXPECT_THAT(getDiagnosticString(),
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HasSubstr("OpLoopMerge must immediately precede either an "
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"OpBranch or OpBranchConditional instruction."));
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}
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TEST_F(ValidateAdjacency, OpSelectionMergePreceedsOpBranchConditionalSuccess) {
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const std::string body = R"(
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OpSelectionMerge %end_label None
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OpBranchConditional %true %true_label %false_label
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%true_label = OpLabel
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OpBranch %end_label
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%false_label = OpLabel
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OpBranch %end_label
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%end_label = OpLabel
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)";
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CompileSuccessfully(GenerateShaderCode(body));
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EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
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}
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TEST_F(ValidateAdjacency, OpSelectionMergePreceedsOpSwitchSuccess) {
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const std::string body = R"(
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OpSelectionMerge %merge None
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OpSwitch %zero %merge 0 %label
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%label = OpLabel
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OpBranch %merge
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%merge = OpLabel
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)";
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CompileSuccessfully(GenerateShaderCode(body));
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EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
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}
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TEST_F(ValidateAdjacency, OpSelectionMergePreceedsBadOpFail) {
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const std::string body = R"(
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OpSelectionMerge %merge None
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OpNop
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OpSwitch %zero %merge 0 %label
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%label = OpLabel
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OpBranch %merge
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%merge = OpLabel
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)";
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CompileSuccessfully(GenerateShaderCode(body));
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EXPECT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
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EXPECT_THAT(getDiagnosticString(),
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HasSubstr("OpSelectionMerge must immediately precede either an "
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"OpBranchConditional or OpSwitch instruction"));
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}
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} // namespace
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} // namespace val
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} // namespace spvtools
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