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// 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 "source/fuzz/transformation_add_type_int.h"
#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(TransformationAddTypeIntTest, IsApplicable) {
std::string reference_shader = R"(
OpCapability Shader
OpCapability Int8
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %5 "main"
; Types
%2 = OpTypeInt 8 1
%3 = OpTypeVoid
%4 = OpTypeFunction %3
; main function
%5 = OpFunction %3 None %4
%6 = OpLabel
OpReturn
OpFunctionEnd
)";
const auto env = SPV_ENV_UNIVERSAL_1_3;
const auto consumer = nullptr;
const auto context =
BuildModule(env, consumer, reference_shader, kFuzzAssembleOption);
spvtools::ValidatorOptions validator_options;
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
TransformationContext transformation_context(
MakeUnique<FactManager>(context.get()), validator_options);
// Tests non-fresh id.
auto transformation = TransformationAddTypeInt(1, 32, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests missing Int16 capability.
transformation = TransformationAddTypeInt(7, 16, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests missing Int64 capability.
transformation = TransformationAddTypeInt(7, 64, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests existing signed 8-bit integer type.
transformation = TransformationAddTypeInt(7, 8, true);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests adding unsigned 8-bit integer type.
transformation = TransformationAddTypeInt(7, 8, false);
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests adding unsigned 32-bit integer type.
transformation = TransformationAddTypeInt(7, 32, false);
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests adding signed 32-bit integer type.
transformation = TransformationAddTypeInt(7, 32, true);
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
// By default SPIR-V does not support 16-bit integers.
// Below we add such capability, so the test should now be successful.
context.get()->get_feature_mgr()->AddCapability(SpvCapabilityInt16);
ASSERT_TRUE(TransformationAddTypeInt(7, 16, true)
.IsApplicable(context.get(), transformation_context));
// By default SPIR-V does not support 64-bit integers.
// Below we add such capability, so the test should now pass.
context.get()->get_feature_mgr()->AddCapability(SpvCapabilityInt64);
ASSERT_TRUE(TransformationAddTypeInt(7, 64, true)
.IsApplicable(context.get(), transformation_context));
#ifndef NDEBUG
// Should not be able to add signed/unsigned integers of width different from
// 16/32/64 bits.
ASSERT_DEATH(TransformationAddTypeInt(7, 20, false)
.IsApplicable(context.get(), transformation_context),
"Unexpected integer type width");
ASSERT_DEATH(TransformationAddTypeInt(12, 15, false)
.IsApplicable(context.get(), transformation_context),
"Unexpected integer type width");
#endif
}
TEST(TransformationAddTypeIntTest, Apply) {
std::string reference_shader = R"(
OpCapability Shader
OpCapability Int8
OpCapability Int16
OpCapability Int64
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %4 "main"
; Types
%2 = OpTypeVoid
%3 = OpTypeFunction %2
; main function
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
const auto env = SPV_ENV_UNIVERSAL_1_3;
const auto consumer = nullptr;
const auto context =
BuildModule(env, consumer, reference_shader, kFuzzAssembleOption);
spvtools::ValidatorOptions validator_options;
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
TransformationContext transformation_context(
MakeUnique<FactManager>(context.get()), validator_options);
// Adds signed 8-bit integer type.
// For this transformation we also check that the def-use manager and type
// manager are updated appropriately.
auto transformation = TransformationAddTypeInt(6, 8, true);
ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(6));
ASSERT_EQ(nullptr, context->get_type_mgr()->GetType(6));
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
ASSERT_EQ(SpvOpTypeInt, context->get_def_use_mgr()->GetDef(6)->opcode());
ASSERT_NE(nullptr, context->get_type_mgr()->GetType(6)->AsInteger());
// Adds signed 16-bit integer type.
transformation = TransformationAddTypeInt(7, 16, true);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
// Adds signed 32-bit integer type.
transformation = TransformationAddTypeInt(8, 32, true);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
// Adds signed 64-bit integer type.
transformation = TransformationAddTypeInt(9, 64, true);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
// Adds unsigned 8-bit integer type.
transformation = TransformationAddTypeInt(10, 8, false);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
// Adds unsigned 16-bit integer type.
transformation = TransformationAddTypeInt(11, 16, false);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
// Adds unsigned 32-bit integer type.
transformation = TransformationAddTypeInt(12, 32, false);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
// Adds unsigned 64-bit integer type.
transformation = TransformationAddTypeInt(13, 64, false);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
std::string variant_shader = R"(
OpCapability Shader
OpCapability Int8
OpCapability Int16
OpCapability Int64
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %4 "main"
; Types
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 8 1
%7 = OpTypeInt 16 1
%8 = OpTypeInt 32 1
%9 = OpTypeInt 64 1
%10 = OpTypeInt 8 0
%11 = OpTypeInt 16 0
%12 = OpTypeInt 32 0
%13 = OpTypeInt 64 0
; main function
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
ASSERT_TRUE(IsEqual(env, variant_shader, context.get()));
}
} // namespace
} // namespace fuzz
} // namespace spvtools
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