mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-17 21:51:06 +00:00
6382cbb497
Avoids invalidating all analyses in transformations that add constants, OpUndef and global and local variables.
199 lines
8.7 KiB
C++
199 lines
8.7 KiB
C++
// Copyright (c) 2019 Google LLC
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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 "source/fuzz/transformation_add_constant_boolean.h"
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#include "gtest/gtest.h"
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#include "source/fuzz/fuzzer_util.h"
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#include "test/fuzz/fuzz_test_util.h"
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namespace spvtools {
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namespace fuzz {
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namespace {
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TEST(TransformationAddConstantBooleanTest, NeitherPresentInitiallyAddBoth) {
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std::string shader = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%6 = OpTypeBool
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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const auto env = SPV_ENV_UNIVERSAL_1_3;
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const auto consumer = nullptr;
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const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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// True and false can both be added as neither is present.
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ASSERT_TRUE(TransformationAddConstantBoolean(7, true, false)
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.IsApplicable(context.get(), transformation_context));
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ASSERT_TRUE(TransformationAddConstantBoolean(7, false, false)
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.IsApplicable(context.get(), transformation_context));
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// Irrelevant true and false can both be added as neither is present.
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ASSERT_TRUE(TransformationAddConstantBoolean(7, true, true)
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.IsApplicable(context.get(), transformation_context));
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ASSERT_TRUE(TransformationAddConstantBoolean(7, false, true)
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.IsApplicable(context.get(), transformation_context));
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// Id 5 is already taken.
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ASSERT_FALSE(TransformationAddConstantBoolean(5, true, false)
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.IsApplicable(context.get(), transformation_context));
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auto add_true = TransformationAddConstantBoolean(7, true, false);
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auto add_false = TransformationAddConstantBoolean(8, false, false);
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ASSERT_TRUE(add_true.IsApplicable(context.get(), transformation_context));
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ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(7));
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ASSERT_EQ(nullptr, context->get_constant_mgr()->FindDeclaredConstant(7));
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ApplyAndCheckFreshIds(add_true, context.get(), &transformation_context);
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ASSERT_EQ(SpvOpConstantTrue, context->get_def_use_mgr()->GetDef(7)->opcode());
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ASSERT_TRUE(context->get_constant_mgr()
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->FindDeclaredConstant(7)
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->AsBoolConstant()
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->value());
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Having added true, we cannot add it again with the same id.
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ASSERT_FALSE(add_true.IsApplicable(context.get(), transformation_context));
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// But we can add it with a different id.
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auto add_true_again = TransformationAddConstantBoolean(100, true, false);
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ASSERT_TRUE(
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add_true_again.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(add_true_again, context.get(), &transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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ASSERT_TRUE(add_false.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(add_false, context.get(), &transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Having added false, we cannot add it again with the same id.
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ASSERT_FALSE(add_false.IsApplicable(context.get(), transformation_context));
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// But we can add it with a different id.
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auto add_false_again = TransformationAddConstantBoolean(101, false, false);
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ASSERT_TRUE(
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add_false_again.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(add_false_again, context.get(),
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&transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// We can create an irrelevant OpConstantTrue.
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TransformationAddConstantBoolean irrelevant_true(102, true, true);
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ASSERT_TRUE(
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irrelevant_true.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(irrelevant_true, context.get(),
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&transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// We can create an irrelevant OpConstantFalse.
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TransformationAddConstantBoolean irrelevant_false(103, false, true);
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ASSERT_TRUE(
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irrelevant_false.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(irrelevant_false, context.get(),
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&transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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ASSERT_FALSE(transformation_context.GetFactManager()->IdIsIrrelevant(100));
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ASSERT_FALSE(transformation_context.GetFactManager()->IdIsIrrelevant(101));
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ASSERT_TRUE(transformation_context.GetFactManager()->IdIsIrrelevant(102));
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ASSERT_TRUE(transformation_context.GetFactManager()->IdIsIrrelevant(103));
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std::string after_transformation = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%6 = OpTypeBool
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%3 = OpTypeFunction %2
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%7 = OpConstantTrue %6
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%100 = OpConstantTrue %6
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%8 = OpConstantFalse %6
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%101 = OpConstantFalse %6
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%102 = OpConstantTrue %6
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%103 = OpConstantFalse %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
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}
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TEST(TransformationAddConstantBooleanTest, NoOpTypeBoolPresent) {
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std::string shader = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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const auto env = SPV_ENV_UNIVERSAL_1_3;
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const auto consumer = nullptr;
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const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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// Neither true nor false can be added as OpTypeBool is not present.
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ASSERT_FALSE(TransformationAddConstantBoolean(6, true, false)
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.IsApplicable(context.get(), transformation_context));
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ASSERT_FALSE(TransformationAddConstantBoolean(6, false, false)
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.IsApplicable(context.get(), transformation_context));
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// This does not depend on whether the constant is relevant or not.
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ASSERT_FALSE(TransformationAddConstantBoolean(6, true, true)
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.IsApplicable(context.get(), transformation_context));
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ASSERT_FALSE(TransformationAddConstantBoolean(6, false, true)
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.IsApplicable(context.get(), transformation_context));
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}
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} // namespace
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} // namespace fuzz
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} // namespace spvtools
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