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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_pointer.h"
#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(TransformationAddTypePointerTest, BasicTest) {
// The SPIR-V was obtained from this GLSL:
//
// #version 450
//
// int x;
// float y;
// vec2 z;
//
// struct T {
// int a, b;
// };
//
// struct S {
// T t;
// int u;
// };
//
// void main() {
// S myS = S(T(1, 2), 3);
// myS.u = x;
// }
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main"
OpExecutionMode %4 OriginUpperLeft
OpSource GLSL 450
OpName %4 "main"
OpName %7 "T"
OpMemberName %7 0 "a"
OpMemberName %7 1 "b"
OpName %8 "S"
OpMemberName %8 0 "t"
OpMemberName %8 1 "u"
OpName %10 "myS"
OpName %17 "x"
OpName %23 "y"
OpName %26 "z"
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypeStruct %6 %6
%8 = OpTypeStruct %7 %6
%9 = OpTypePointer Function %8
%11 = OpConstant %6 1
%12 = OpConstant %6 2
%13 = OpConstantComposite %7 %11 %12
%14 = OpConstant %6 3
%15 = OpConstantComposite %8 %13 %14
%16 = OpTypePointer Private %6
%17 = OpVariable %16 Private
%19 = OpTypePointer Function %6
%21 = OpTypeFloat 32
%22 = OpTypePointer Private %21
%23 = OpVariable %22 Private
%24 = OpTypeVector %21 2
%25 = OpTypePointer Private %24
%26 = OpVariable %25 Private
%4 = OpFunction %2 None %3
%5 = OpLabel
%10 = OpVariable %9 Function
OpStore %10 %15
%18 = OpLoad %6 %17
%20 = OpAccessChain %19 %10 %11
OpStore %20 %18
OpReturn
OpFunctionEnd
)";
const auto env = SPV_ENV_UNIVERSAL_1_3;
const auto consumer = nullptr;
const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
spvtools::ValidatorOptions validator_options;
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
TransformationContext transformation_context(
MakeUnique<FactManager>(context.get()), validator_options);
auto bad_type_id_does_not_exist =
TransformationAddTypePointer(100, SpvStorageClassFunction, 101);
auto bad_type_id_is_not_type =
TransformationAddTypePointer(100, SpvStorageClassFunction, 23);
auto bad_result_id_is_not_fresh =
TransformationAddTypePointer(17, SpvStorageClassFunction, 21);
auto good_new_private_pointer_to_t =
TransformationAddTypePointer(101, SpvStorageClassPrivate, 7);
auto good_new_uniform_pointer_to_t =
TransformationAddTypePointer(102, SpvStorageClassUniform, 7);
auto good_another_function_pointer_to_s =
TransformationAddTypePointer(103, SpvStorageClassFunction, 8);
auto good_new_uniform_pointer_to_s =
TransformationAddTypePointer(104, SpvStorageClassUniform, 8);
auto good_another_private_pointer_to_float =
TransformationAddTypePointer(105, SpvStorageClassPrivate, 21);
auto good_new_private_pointer_to_private_pointer_to_float =
TransformationAddTypePointer(106, SpvStorageClassPrivate, 105);
auto good_new_uniform_pointer_to_vec2 =
TransformationAddTypePointer(107, SpvStorageClassUniform, 24);
auto good_new_private_pointer_to_uniform_pointer_to_vec2 =
TransformationAddTypePointer(108, SpvStorageClassPrivate, 107);
ASSERT_FALSE(bad_type_id_does_not_exist.IsApplicable(context.get(),
transformation_context));
ASSERT_FALSE(bad_type_id_is_not_type.IsApplicable(context.get(),
transformation_context));
ASSERT_FALSE(bad_result_id_is_not_fresh.IsApplicable(context.get(),
transformation_context));
{
auto& transformation = good_new_private_pointer_to_t;
ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(101));
ASSERT_EQ(nullptr, context->get_type_mgr()->GetType(101));
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
ASSERT_EQ(SpvOpTypePointer,
context->get_def_use_mgr()->GetDef(101)->opcode());
ASSERT_NE(nullptr, context->get_type_mgr()->GetType(101)->AsPointer());
}
for (auto& transformation :
{good_new_uniform_pointer_to_t, good_another_function_pointer_to_s,
good_new_uniform_pointer_to_s, good_another_private_pointer_to_float,
good_new_private_pointer_to_private_pointer_to_float,
good_new_uniform_pointer_to_vec2,
good_new_private_pointer_to_uniform_pointer_to_vec2}) {
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
std::string after_transformation = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main"
OpExecutionMode %4 OriginUpperLeft
OpSource GLSL 450
OpName %4 "main"
OpName %7 "T"
OpMemberName %7 0 "a"
OpMemberName %7 1 "b"
OpName %8 "S"
OpMemberName %8 0 "t"
OpMemberName %8 1 "u"
OpName %10 "myS"
OpName %17 "x"
OpName %23 "y"
OpName %26 "z"
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypeStruct %6 %6
%8 = OpTypeStruct %7 %6
%9 = OpTypePointer Function %8
%11 = OpConstant %6 1
%12 = OpConstant %6 2
%13 = OpConstantComposite %7 %11 %12
%14 = OpConstant %6 3
%15 = OpConstantComposite %8 %13 %14
%16 = OpTypePointer Private %6
%17 = OpVariable %16 Private
%19 = OpTypePointer Function %6
%21 = OpTypeFloat 32
%22 = OpTypePointer Private %21
%23 = OpVariable %22 Private
%24 = OpTypeVector %21 2
%25 = OpTypePointer Private %24
%26 = OpVariable %25 Private
%101 = OpTypePointer Private %7
%102 = OpTypePointer Uniform %7
%103 = OpTypePointer Function %8
%104 = OpTypePointer Uniform %8
%105 = OpTypePointer Private %21
%106 = OpTypePointer Private %105
%107 = OpTypePointer Uniform %24
%108 = OpTypePointer Private %107
%4 = OpFunction %2 None %3
%5 = OpLabel
%10 = OpVariable %9 Function
OpStore %10 %15
%18 = OpLoad %6 %17
%20 = OpAccessChain %19 %10 %11
OpStore %20 %18
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
} // namespace
} // namespace fuzz
} // namespace spvtools
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