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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_float.h"
#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(TransformationAddTypeFloatTest, IsApplicable) {
std::string reference_shader = R"(
OpCapability Shader
OpCapability Float16
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %5 "main"
; Types
%2 = OpTypeFloat 16
%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 = TransformationAddTypeFloat(1, 32);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests missing Float64 capability.
transformation = TransformationAddTypeFloat(7, 64);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// The transformation is not applicable because there is already a 16-bit
// float type declared in the module.
transformation = TransformationAddTypeFloat(7, 16);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests adding 32-bit float type.
transformation = TransformationAddTypeFloat(7, 32);
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
// By default, SPIR-V does not support 64-bit float types.
// Below we add such capability, so the test should now pass.
context.get()->get_feature_mgr()->AddCapability(SpvCapabilityFloat64);
ASSERT_TRUE(TransformationAddTypeFloat(7, 64).IsApplicable(
context.get(), transformation_context));
#ifndef NDEBUG
// Should not be able to add float type of width different from 16/32/64
ASSERT_DEATH(TransformationAddTypeFloat(7, 20).IsApplicable(
context.get(), transformation_context),
"Unexpected float type width");
#endif
}
TEST(TransformationAddTypeFloatTest, Apply) {
std::string reference_shader = R"(
OpCapability Shader
OpCapability Float16
OpCapability Float64
%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 16-bit float type.
auto transformation = TransformationAddTypeFloat(6, 16);
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(SpvOpTypeFloat, context->get_def_use_mgr()->GetDef(6)->opcode());
ASSERT_NE(nullptr, context->get_type_mgr()->GetType(6)->AsFloat());
// Adds 32-bit float type.
transformation = TransformationAddTypeFloat(7, 32);
ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(7));
ASSERT_EQ(nullptr, context->get_type_mgr()->GetType(7));
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
ASSERT_EQ(SpvOpTypeFloat, context->get_def_use_mgr()->GetDef(7)->opcode());
ASSERT_NE(nullptr, context->get_type_mgr()->GetType(7)->AsFloat());
// Adds 64-bit float type.
transformation = TransformationAddTypeFloat(8, 64);
ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(8));
ASSERT_EQ(nullptr, context->get_type_mgr()->GetType(8));
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
ASSERT_EQ(SpvOpTypeFloat, context->get_def_use_mgr()->GetDef(8)->opcode());
ASSERT_NE(nullptr, context->get_type_mgr()->GetType(8)->AsFloat());
std::string variant_shader = R"(
OpCapability Shader
OpCapability Float16
OpCapability Float64
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %4 "main"
; Types
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeFloat 16
%7 = OpTypeFloat 32
%8 = OpTypeFloat 64
; 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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