mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-27 05:40:06 +00:00
a1ea15c902
This CL updates various bits of language in line with the guidelines provided by Android (https://source.android.com/setup/contribute/respectful-code)
708 lines
19 KiB
C++
708 lines
19 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 "test/unit_spirv.h"
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#include "test/val/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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OpExecutionMode %main OriginUpperLeft
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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(),
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HasSubstr("ID 1[%bool] 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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OpExecutionMode %main OriginUpperLeft
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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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OpExecutionMode %main OriginUpperLeft
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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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if (execution_model == "Fragment") {
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ss << "OpExecutionMode %main OriginUpperLeft\n";
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}
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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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%int_1 = OpConstant %int 1
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%func = OpTypeFunction %void
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%func_int = OpTypePointer Function %int
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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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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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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 within a non-entry block before all "
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"non-OpPhi instructions"));
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}
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TEST_F(ValidateAdjacency, OpPhiPreceededByOpLineAndBadOpFail) {
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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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OpLine %string 1 1
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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 within a non-entry block before all "
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"non-OpPhi instructions"));
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}
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TEST_F(ValidateAdjacency, OpPhiFollowedByOpLineGood) {
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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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%result = OpPhi %bool %true %true_label %false %false_label
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OpLine %string 1 1
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OpNop
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OpNop
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OpLine %string 2 1
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OpNop
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OpLine %string 3 1
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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, OpPhiMultipleOpLineAndOpPhiFail) {
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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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OpLine %string 1 1
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%value = OpPhi %int %zero %true_label %int_1 %false_label
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OpNop
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OpLine %string 2 1
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OpNop
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OpLine %string 3 1
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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 within a non-entry block before all "
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"non-OpPhi instructions"));
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}
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TEST_F(ValidateAdjacency, OpPhiMultipleOpLineAndOpPhiGood) {
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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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OpLine %string 1 1
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%value = OpPhi %int %zero %true_label %int_1 %false_label
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OpLine %string 2 1
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%result = OpPhi %bool %true %true_label %false %false_label
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OpLine %string 3 1
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OpNop
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OpNop
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OpLine %string 4 1
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OpNop
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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, OpPhiInEntryBlockBad) {
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const std::string body = R"(
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OpLine %string 1 1
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%value = OpPhi %int
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OpLine %string 2 1
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OpNop
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OpLine %string 3 1
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OpNop
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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 within a non-entry block before all "
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"non-OpPhi instructions"));
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}
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TEST_F(ValidateAdjacency, NonSemanticBeforeOpPhiBad) {
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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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%placeholder = OpExtInst %void %extinst 123 %int_1
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%result = OpPhi %bool %true %true_label %false %false_label
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)";
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const std::string extra = R"(OpCapability Shader
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OpExtension "SPV_KHR_non_semantic_info"
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%extinst = OpExtInstImport "NonSemantic.Testing.Set"
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)";
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CompileSuccessfully(GenerateShaderCode(body, extra));
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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 within a non-entry block before all "
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"non-OpPhi instructions"));
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}
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TEST_F(ValidateAdjacency, NonSemanticBetweenOpPhiBad) {
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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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%result1 = OpPhi %bool %true %true_label %false %false_label
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%placeholder = OpExtInst %void %extinst 123 %int_1
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%result2 = OpPhi %bool %true %true_label %false %false_label
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)";
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const std::string extra = R"(OpCapability Shader
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OpExtension "SPV_KHR_non_semantic_info"
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%extinst = OpExtInstImport "NonSemantic.Testing.Set"
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)";
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CompileSuccessfully(GenerateShaderCode(body, extra));
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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 within a non-entry block before all "
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"non-OpPhi instructions"));
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}
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TEST_F(ValidateAdjacency, NonSemanticAfterOpPhiGood) {
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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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OpLine %string 0 0
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%result = OpPhi %bool %true %true_label %false %false_label
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%placeholder = OpExtInst %void %extinst 123 %int_1
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)";
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const std::string extra = R"(OpCapability Shader
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OpExtension "SPV_KHR_non_semantic_info"
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%extinst = OpExtInstImport "NonSemantic.Testing.Set"
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)";
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CompileSuccessfully(GenerateShaderCode(body, extra));
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EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
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}
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TEST_F(ValidateAdjacency, NonSemanticBeforeOpFunctionParameterBad) {
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const std::string body = R"(
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OpCapability Shader
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OpExtension "SPV_KHR_non_semantic_info"
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%extinst = OpExtInstImport "NonSemantic.Testing.Set"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginUpperLeft
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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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%int_1 = OpConstant %int 1
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%func = OpTypeFunction %void
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%func_int = OpTypePointer Function %int
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%paramfunc_type = OpTypeFunction %void %int %int
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%paramfunc = OpFunction %void None %paramfunc_type
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%placeholder = OpExtInst %void %extinst 123 %int_1
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%a = OpFunctionParameter %int
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%b = OpFunctionParameter %int
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%paramfunc_entry = OpLabel
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OpReturn
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OpFunctionEnd
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%main = OpFunction %void None %func
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%main_entry = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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CompileSuccessfully(body);
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EXPECT_EQ(SPV_ERROR_INVALID_LAYOUT, ValidateInstructions());
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EXPECT_THAT(getDiagnosticString(),
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HasSubstr("Non-semantic OpExtInst within function definition "
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"must appear in a block"));
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}
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TEST_F(ValidateAdjacency, NonSemanticBetweenOpFunctionParameterBad) {
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const std::string body = R"(
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OpCapability Shader
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OpExtension "SPV_KHR_non_semantic_info"
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%extinst = OpExtInstImport "NonSemantic.Testing.Set"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginUpperLeft
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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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%int_1 = OpConstant %int 1
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%func = OpTypeFunction %void
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%func_int = OpTypePointer Function %int
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%paramfunc_type = OpTypeFunction %void %int %int
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%paramfunc = OpFunction %void None %paramfunc_type
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%a = OpFunctionParameter %int
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%placeholder = OpExtInst %void %extinst 123 %int_1
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%b = OpFunctionParameter %int
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%paramfunc_entry = OpLabel
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OpReturn
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OpFunctionEnd
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%main = OpFunction %void None %func
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%main_entry = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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CompileSuccessfully(body);
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EXPECT_EQ(SPV_ERROR_INVALID_LAYOUT, ValidateInstructions());
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EXPECT_THAT(getDiagnosticString(),
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HasSubstr("Non-semantic OpExtInst within function definition "
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"must appear in a block"));
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}
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TEST_F(ValidateAdjacency, NonSemanticAfterOpFunctionParameterGood) {
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const std::string body = R"(
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OpCapability Shader
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OpExtension "SPV_KHR_non_semantic_info"
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%extinst = OpExtInstImport "NonSemantic.Testing.Set"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginUpperLeft
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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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%int_1 = OpConstant %int 1
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%func = OpTypeFunction %void
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%func_int = OpTypePointer Function %int
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%paramfunc_type = OpTypeFunction %void %int %int
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%paramfunc = OpFunction %void None %paramfunc_type
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%a = OpFunctionParameter %int
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%b = OpFunctionParameter %int
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%paramfunc_entry = OpLabel
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%placeholder = OpExtInst %void %extinst 123 %int_1
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OpReturn
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OpFunctionEnd
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%main = OpFunction %void None %func
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%main_entry = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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CompileSuccessfully(body);
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|
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
|
|
}
|
|
|
|
TEST_F(ValidateAdjacency, NonSemanticBetweenFunctionsGood) {
|
|
const std::string body = R"(
|
|
OpCapability Shader
|
|
OpExtension "SPV_KHR_non_semantic_info"
|
|
%extinst = OpExtInstImport "NonSemantic.Testing.Set"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
OpExecutionMode %main OriginUpperLeft
|
|
|
|
%string = OpString ""
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%int = OpTypeInt 32 0
|
|
%true = OpConstantTrue %bool
|
|
%false = OpConstantFalse %bool
|
|
%zero = OpConstant %int 0
|
|
%int_1 = OpConstant %int 1
|
|
%func = OpTypeFunction %void
|
|
%func_int = OpTypePointer Function %int
|
|
%paramfunc_type = OpTypeFunction %void %int %int
|
|
|
|
%paramfunc = OpFunction %void None %paramfunc_type
|
|
%a = OpFunctionParameter %int
|
|
%b = OpFunctionParameter %int
|
|
%paramfunc_entry = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
|
|
%placeholder = OpExtInst %void %extinst 123 %int_1
|
|
|
|
%main = OpFunction %void None %func
|
|
%main_entry = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
CompileSuccessfully(body);
|
|
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
|
|
}
|
|
|
|
TEST_F(ValidateAdjacency, OpVariableInFunctionGood) {
|
|
const std::string body = R"(
|
|
OpLine %string 1 1
|
|
%var = OpVariable %func_int Function
|
|
OpLine %string 2 1
|
|
OpNop
|
|
OpLine %string 3 1
|
|
OpNop
|
|
)";
|
|
|
|
CompileSuccessfully(GenerateShaderCode(body));
|
|
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
|
|
}
|
|
|
|
TEST_F(ValidateAdjacency, OpVariableInFunctionMultipleGood) {
|
|
const std::string body = R"(
|
|
OpLine %string 1 1
|
|
%1 = OpVariable %func_int Function
|
|
OpLine %string 2 1
|
|
%2 = OpVariable %func_int Function
|
|
%3 = OpVariable %func_int Function
|
|
OpNop
|
|
OpLine %string 3 1
|
|
OpNop
|
|
)";
|
|
|
|
CompileSuccessfully(GenerateShaderCode(body));
|
|
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
|
|
}
|
|
|
|
TEST_F(ValidateAdjacency, OpVariableInFunctionBad) {
|
|
const std::string body = R"(
|
|
%1 = OpUndef %int
|
|
%2 = OpVariable %func_int Function
|
|
)";
|
|
|
|
CompileSuccessfully(GenerateShaderCode(body));
|
|
EXPECT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
|
|
EXPECT_THAT(getDiagnosticString(),
|
|
HasSubstr("All OpVariable instructions in a function must be the "
|
|
"first instructions"));
|
|
}
|
|
|
|
TEST_F(ValidateAdjacency, OpVariableInFunctionMultipleBad) {
|
|
const std::string body = R"(
|
|
OpNop
|
|
%1 = OpVariable %func_int Function
|
|
OpLine %string 1 1
|
|
%2 = OpVariable %func_int Function
|
|
OpNop
|
|
OpNop
|
|
OpLine %string 2 1
|
|
%3 = OpVariable %func_int Function
|
|
)";
|
|
|
|
CompileSuccessfully(GenerateShaderCode(body));
|
|
EXPECT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
|
|
EXPECT_THAT(getDiagnosticString(),
|
|
HasSubstr("All OpVariable instructions in a function must be the "
|
|
"first instructions"));
|
|
}
|
|
|
|
TEST_F(ValidateAdjacency, OpLoopMergePreceedsOpBranchSuccess) {
|
|
const std::string body = R"(
|
|
OpBranch %loop
|
|
%loop = OpLabel
|
|
OpLoopMerge %end %loop None
|
|
OpBranch %loop
|
|
%end = OpLabel
|
|
)";
|
|
|
|
CompileSuccessfully(GenerateShaderCode(body));
|
|
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
|
|
}
|
|
|
|
TEST_F(ValidateAdjacency, OpLoopMergePreceedsOpBranchConditionalSuccess) {
|
|
const std::string body = R"(
|
|
OpBranch %loop
|
|
%loop = OpLabel
|
|
OpLoopMerge %end %loop None
|
|
OpBranchConditional %true %loop %end
|
|
%end = OpLabel
|
|
)";
|
|
|
|
CompileSuccessfully(GenerateShaderCode(body));
|
|
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
|
|
}
|
|
|
|
TEST_F(ValidateAdjacency, OpLoopMergePreceedsBadOpFail) {
|
|
const std::string body = R"(
|
|
OpBranch %loop
|
|
%loop = OpLabel
|
|
OpLoopMerge %end %loop None
|
|
OpNop
|
|
OpBranchConditional %true %loop %end
|
|
%end = OpLabel
|
|
)";
|
|
|
|
CompileSuccessfully(GenerateShaderCode(body));
|
|
EXPECT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
|
|
EXPECT_THAT(getDiagnosticString(),
|
|
HasSubstr("OpLoopMerge must immediately precede either an "
|
|
"OpBranch or OpBranchConditional instruction."));
|
|
}
|
|
|
|
TEST_F(ValidateAdjacency, OpSelectionMergePreceedsOpBranchConditionalSuccess) {
|
|
const std::string body = R"(
|
|
OpSelectionMerge %end_label None
|
|
OpBranchConditional %true %true_label %false_label
|
|
%true_label = OpLabel
|
|
OpBranch %end_label
|
|
%false_label = OpLabel
|
|
OpBranch %end_label
|
|
%end_label = OpLabel
|
|
)";
|
|
|
|
CompileSuccessfully(GenerateShaderCode(body));
|
|
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
|
|
}
|
|
|
|
TEST_F(ValidateAdjacency, OpSelectionMergePreceedsOpSwitchSuccess) {
|
|
const std::string body = R"(
|
|
OpSelectionMerge %merge None
|
|
OpSwitch %zero %merge 0 %label
|
|
%label = OpLabel
|
|
OpBranch %merge
|
|
%merge = OpLabel
|
|
)";
|
|
|
|
CompileSuccessfully(GenerateShaderCode(body));
|
|
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
|
|
}
|
|
|
|
TEST_F(ValidateAdjacency, OpSelectionMergePreceedsBadOpFail) {
|
|
const std::string body = R"(
|
|
OpSelectionMerge %merge None
|
|
OpNop
|
|
OpSwitch %zero %merge 0 %label
|
|
%label = OpLabel
|
|
OpBranch %merge
|
|
%merge = OpLabel
|
|
)";
|
|
|
|
CompileSuccessfully(GenerateShaderCode(body));
|
|
EXPECT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
|
|
EXPECT_THAT(getDiagnosticString(),
|
|
HasSubstr("OpSelectionMerge must immediately precede either an "
|
|
"OpBranchConditional or OpSwitch instruction"));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace val
|
|
} // namespace spvtools
|