SPIRV-Tools/test/fuzz/transformation_add_constant_scalar_test.cpp
Mostafa Ashraf 91931ffcd2
spirv-fuzz: Enhance test to improve lines covered (#4289)
Fixes #4287 by enhancing the test to get 100% of lines covered.
2021-05-24 14:24:11 +01:00

366 lines
14 KiB
C++

// 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_constant_scalar.h"
#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(TransformationAddConstantScalarTest, IsApplicable) {
std::string reference_shader = R"(
OpCapability Shader
OpCapability Int64
OpCapability Float64
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %17 "main"
; Types
; 32-bit types
%2 = OpTypeInt 32 0
%3 = OpTypeInt 32 1
%4 = OpTypeFloat 32
; 64-bit types
%5 = OpTypeInt 64 0
%6 = OpTypeInt 64 1
%7 = OpTypeFloat 64
%8 = OpTypePointer Private %2
%9 = OpTypeVoid
%10 = OpTypeFunction %9
; Constants
; 32-bit constants
%11 = OpConstant %2 1
%12 = OpConstant %3 2
%13 = OpConstant %4 3
; 64-bit constants
%14 = OpConstant %5 1
%15 = OpConstant %6 2
%16 = OpConstant %7 3
; main function
%17 = OpFunction %9 None %10
%18 = 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 |fresh_id| being non-fresh.
auto transformation = TransformationAddConstantScalar(18, 2, {0}, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests undefined |type_id|.
transformation = TransformationAddConstantScalar(19, 20, {0}, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests |type_id| not representing a type instruction.
transformation = TransformationAddConstantScalar(19, 11, {0}, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests |type_id| representing an OpTypePointer instruction.
transformation = TransformationAddConstantScalar(19, 8, {0}, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests |type_id| representing an OpTypeVoid instruction.
transformation = TransformationAddConstantScalar(19, 9, {0}, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests |words| having no words.
transformation = TransformationAddConstantScalar(19, 2, {}, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests |words| having 2 words for a 32-bit type.
transformation = TransformationAddConstantScalar(19, 2, {0, 1}, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests |words| having 3 words for a 64-bit type.
transformation = TransformationAddConstantScalar(19, 5, {0, 1, 2}, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
// Tests |words| having 2 words for a 32-bit float type.
transformation = TransformationAddConstantScalar(19, 4, {0, 1}, false);
ASSERT_FALSE(
transformation.IsApplicable(context.get(), transformation_context));
}
TEST(TransformationAddConstantScalarTest, Apply) {
std::string reference_shader = R"(
OpCapability Shader
OpCapability Int64
OpCapability Float64
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %17 "main"
; Types
; 32-bit types
%2 = OpTypeInt 32 0
%3 = OpTypeInt 32 1
%4 = OpTypeFloat 32
; 64-bit types
%5 = OpTypeInt 64 0
%6 = OpTypeInt 64 1
%7 = OpTypeFloat 64
%8 = OpTypePointer Private %2
%9 = OpTypeVoid
%10 = OpTypeFunction %9
; Constants
; 32-bit constants
%11 = OpConstant %2 1
%12 = OpConstant %3 2
%13 = OpConstant %4 3
; 64-bit constants
%14 = OpConstant %5 1
%15 = OpConstant %6 2
%16 = OpConstant %7 3
; main function
%17 = OpFunction %9 None %10
%18 = 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 32-bit unsigned integer (1 logical operand with 1 word).
auto transformation = TransformationAddConstantScalar(19, 2, {4}, false);
ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(19));
ASSERT_EQ(nullptr, context->get_constant_mgr()->FindDeclaredConstant(19));
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
ASSERT_EQ(SpvOpConstant, context->get_def_use_mgr()->GetDef(19)->opcode());
ASSERT_EQ(4, context->get_constant_mgr()->FindDeclaredConstant(19)->GetU32());
auto* constant_instruction = context->get_def_use_mgr()->GetDef(19);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Adds 32-bit signed integer (1 logical operand with 1 word).
transformation = TransformationAddConstantScalar(20, 3, {5}, false);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
constant_instruction = context->get_def_use_mgr()->GetDef(20);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Adds 32-bit float (1 logical operand with 1 word).
transformation = TransformationAddConstantScalar(
21, 4, {0b01000000110000000000000000000000}, false);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
constant_instruction = context->get_def_use_mgr()->GetDef(21);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Adds 64-bit unsigned integer (1 logical operand with 2 words).
transformation = TransformationAddConstantScalar(22, 5, {7, 0}, false);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
constant_instruction = context->get_def_use_mgr()->GetDef(22);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Adds 64-bit signed integer (1 logical operand with 2 words).
transformation = TransformationAddConstantScalar(23, 6, {8, 0}, false);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
constant_instruction = context->get_def_use_mgr()->GetDef(23);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Adds 64-bit float (1 logical operand with 2 words).
transformation = TransformationAddConstantScalar(
24, 7, {0, 0b01000000001000100000000000000000}, false);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
constant_instruction = context->get_def_use_mgr()->GetDef(24);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Adds irrelevant 32-bit unsigned integer (1 logical operand with 1 word).
transformation = TransformationAddConstantScalar(25, 2, {10}, true);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
constant_instruction = context->get_def_use_mgr()->GetDef(25);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Adds irrelevant 32-bit signed integer (1 logical operand with 1 word).
transformation = TransformationAddConstantScalar(26, 3, {11}, true);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
constant_instruction = context->get_def_use_mgr()->GetDef(26);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Adds irrelevant 32-bit float (1 logical operand with 1 word).
transformation = TransformationAddConstantScalar(
27, 4, {0b01000001010000000000000000000000}, true);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
constant_instruction = context->get_def_use_mgr()->GetDef(27);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Adds irrelevant 64-bit unsigned integer (1 logical operand with 2 words).
transformation = TransformationAddConstantScalar(28, 5, {13, 0}, true);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
constant_instruction = context->get_def_use_mgr()->GetDef(28);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Adds irrelevant 64-bit signed integer (1 logical operand with 2 words).
transformation = TransformationAddConstantScalar(29, 6, {14, 0}, true);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
constant_instruction = context->get_def_use_mgr()->GetDef(29);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Adds irrelevant 64-bit float (1 logical operand with 2 words).
transformation = TransformationAddConstantScalar(
30, 7, {0, 0b01000000001011100000000000000000}, true);
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
constant_instruction = context->get_def_use_mgr()->GetDef(30);
EXPECT_EQ(constant_instruction->NumInOperands(), 1);
EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
for (uint32_t result_id = 19; result_id <= 24; ++result_id) {
ASSERT_FALSE(
transformation_context.GetFactManager()->IdIsIrrelevant(result_id));
}
for (uint32_t result_id = 25; result_id <= 30; ++result_id) {
ASSERT_TRUE(
transformation_context.GetFactManager()->IdIsIrrelevant(result_id));
}
std::string variant_shader = R"(
OpCapability Shader
OpCapability Int64
OpCapability Float64
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %17 "main"
; Types
; 32-bit types
%2 = OpTypeInt 32 0
%3 = OpTypeInt 32 1
%4 = OpTypeFloat 32
; 64-bit types
%5 = OpTypeInt 64 0
%6 = OpTypeInt 64 1
%7 = OpTypeFloat 64
%8 = OpTypePointer Private %2
%9 = OpTypeVoid
%10 = OpTypeFunction %9
; Constants
; 32-bit constants
%11 = OpConstant %2 1
%12 = OpConstant %3 2
%13 = OpConstant %4 3
; 64-bit constants
%14 = OpConstant %5 1
%15 = OpConstant %6 2
%16 = OpConstant %7 3
; added constants
%19 = OpConstant %2 4
%20 = OpConstant %3 5
%21 = OpConstant %4 6
%22 = OpConstant %5 7
%23 = OpConstant %6 8
%24 = OpConstant %7 9
%25 = OpConstant %2 10
%26 = OpConstant %3 11
%27 = OpConstant %4 12
%28 = OpConstant %5 13
%29 = OpConstant %6 14
%30 = OpConstant %7 15
; main function
%17 = OpFunction %9 None %10
%18 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, variant_shader, context.get()));
}
} // namespace
} // namespace fuzz
} // namespace spvtools