mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-29 03:01:08 +00:00
502e982956
This fixes a problem where TransformationInlineFunction could lead to distinct instructions having identical unique ids. It adds a validity check to detect this problem in general. Fixes #3911.
921 lines
38 KiB
C++
921 lines
38 KiB
C++
// Copyright (c) 2020 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_composite_insert.h"
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#include "gtest/gtest.h"
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#include "source/fuzz/data_descriptor.h"
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#include "source/fuzz/fuzzer_util.h"
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#include "source/fuzz/instruction_descriptor.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(TransformationCompositeInsertTest, NotApplicableScenarios) {
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// This test handles cases where IsApplicable() returns false.
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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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OpName %8 "i1"
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OpName %10 "i2"
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OpName %12 "base"
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OpMemberName %12 0 "a1"
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OpMemberName %12 1 "a2"
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OpName %14 "b"
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OpName %18 "level_1"
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OpMemberName %18 0 "b1"
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OpMemberName %18 1 "b2"
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OpName %20 "l1"
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OpName %24 "level_2"
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OpMemberName %24 0 "c1"
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OpMemberName %24 1 "c2"
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OpName %26 "l2"
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Function %6
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%9 = OpConstant %6 1
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%11 = OpConstant %6 2
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%12 = OpTypeStruct %6 %6
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%13 = OpTypePointer Function %12
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%18 = OpTypeStruct %12 %12
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%19 = OpTypePointer Function %18
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%24 = OpTypeStruct %18 %18
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%25 = OpTypePointer Function %24
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%30 = OpTypeBool
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%31 = OpConstantTrue %30
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%10 = OpVariable %7 Function
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%14 = OpVariable %13 Function
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%20 = OpVariable %19 Function
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%26 = OpVariable %25 Function
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OpStore %8 %9
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OpStore %10 %11
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%15 = OpLoad %6 %8
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%16 = OpLoad %6 %10
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%17 = OpCompositeConstruct %12 %15 %16
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OpStore %14 %17
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%21 = OpLoad %12 %14
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%22 = OpLoad %12 %14
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%23 = OpCompositeConstruct %18 %21 %22
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OpStore %20 %23
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%27 = OpLoad %18 %20
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%28 = OpLoad %18 %20
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%29 = OpCompositeConstruct %24 %27 %28
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OpStore %26 %29
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OpSelectionMerge %33 None
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OpBranchConditional %31 %32 %33
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%32 = OpLabel
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OpBranch %33
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%33 = 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_4;
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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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// Bad: |fresh_id| is not fresh.
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auto transformation_bad_1 = TransformationCompositeInsert(
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MakeInstructionDescriptor(29, SpvOpStore, 0), 20, 29, 11, {1, 0, 0});
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ASSERT_FALSE(
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transformation_bad_1.IsApplicable(context.get(), transformation_context));
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// Bad: |composite_id| does not refer to a existing instruction.
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auto transformation_bad_2 = TransformationCompositeInsert(
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MakeInstructionDescriptor(29, SpvOpStore, 0), 50, 40, 11, {1, 0, 0});
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ASSERT_FALSE(
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transformation_bad_2.IsApplicable(context.get(), transformation_context));
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// Bad: |composite_id| does not refer to a composite value.
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auto transformation_bad_3 = TransformationCompositeInsert(
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MakeInstructionDescriptor(29, SpvOpStore, 0), 50, 9, 11, {1, 0, 0});
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ASSERT_FALSE(
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transformation_bad_3.IsApplicable(context.get(), transformation_context));
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// Bad: |object_id| does not refer to a defined instruction.
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auto transformation_bad_4 = TransformationCompositeInsert(
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MakeInstructionDescriptor(29, SpvOpStore, 0), 50, 29, 40, {1, 0, 0});
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ASSERT_FALSE(
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transformation_bad_4.IsApplicable(context.get(), transformation_context));
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// Bad: |object_id| cannot refer to a pointer.
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auto transformation_bad_5 = TransformationCompositeInsert(
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MakeInstructionDescriptor(29, SpvOpStore, 0), 50, 29, 8, {1, 0, 0});
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ASSERT_FALSE(
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transformation_bad_5.IsApplicable(context.get(), transformation_context));
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// Bad: |index| is not a correct index.
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auto transformation_bad_6 = TransformationCompositeInsert(
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MakeInstructionDescriptor(29, SpvOpStore, 0), 50, 29, 11, {2, 0, 0});
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ASSERT_FALSE(
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transformation_bad_6.IsApplicable(context.get(), transformation_context));
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// Bad: Type id of the object to be inserted and the type id of the
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// component at |index| are not the same.
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auto transformation_bad_7 = TransformationCompositeInsert(
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MakeInstructionDescriptor(29, SpvOpStore, 0), 50, 29, 11, {1, 0});
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ASSERT_FALSE(
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transformation_bad_7.IsApplicable(context.get(), transformation_context));
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// Bad: |instruction_to_insert_before| does not refer to a defined
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// instruction.
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auto transformation_bad_8 = TransformationCompositeInsert(
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MakeInstructionDescriptor(29, SpvOpIMul, 0), 50, 29, 11, {1, 0, 0});
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ASSERT_FALSE(
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transformation_bad_8.IsApplicable(context.get(), transformation_context));
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// Bad: OpCompositeInsert cannot be inserted before OpBranchConditional with
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// OpSelectionMerge above it.
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auto transformation_bad_9 = TransformationCompositeInsert(
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MakeInstructionDescriptor(29, SpvOpBranchConditional, 0), 50, 29, 11,
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{1, 0, 0});
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ASSERT_FALSE(
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transformation_bad_9.IsApplicable(context.get(), transformation_context));
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// Bad: |composite_id| does not have a type_id.
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auto transformation_bad_10 = TransformationCompositeInsert(
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MakeInstructionDescriptor(29, SpvOpStore, 0), 50, 1, 11, {1, 0, 0});
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ASSERT_FALSE(transformation_bad_10.IsApplicable(context.get(),
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transformation_context));
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}
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TEST(TransformationCompositeInsertTest, EmptyCompositeScenarios) {
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// This test handles cases where either the composite is empty or the
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// composite contains an empty composite.
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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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OpName %8 "i1"
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OpName %10 "i2"
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OpName %12 "base"
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OpMemberName %12 0 "a1"
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OpMemberName %12 1 "a2"
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OpName %14 "b"
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%2 = OpTypeVoid
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%60 = OpTypeStruct
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Function %6
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%9 = OpConstant %6 1
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%11 = OpConstant %6 2
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%61 = OpConstantComposite %60
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%62 = OpConstantComposite %60
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%12 = OpTypeStruct %6 %6
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%63 = OpTypeStruct %6 %60
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%13 = OpTypePointer Function %12
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%10 = OpVariable %7 Function
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%14 = OpVariable %13 Function
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OpStore %8 %9
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OpStore %10 %11
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%15 = OpLoad %6 %8
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%16 = OpLoad %6 %10
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%17 = OpCompositeConstruct %12 %15 %16
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%64 = OpCompositeConstruct %63 %15 %61
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OpStore %14 %17
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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_4;
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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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// Bad: The composite with |composite_id| cannot be empty.
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auto transformation_bad_1 = TransformationCompositeInsert(
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MakeInstructionDescriptor(64, SpvOpStore, 0), 50, 61, 62, {1});
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ASSERT_FALSE(
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transformation_bad_1.IsApplicable(context.get(), transformation_context));
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// Good: It is possible to insert into a composite an element which is an
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// empty composite.
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auto transformation_good_1 = TransformationCompositeInsert(
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MakeInstructionDescriptor(64, SpvOpStore, 0), 50, 64, 62, {1});
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ASSERT_TRUE(transformation_good_1.IsApplicable(context.get(),
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transformation_context));
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ApplyAndCheckFreshIds(transformation_good_1, 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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std::string after_transformations = 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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OpName %8 "i1"
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OpName %10 "i2"
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OpName %12 "base"
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OpMemberName %12 0 "a1"
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OpMemberName %12 1 "a2"
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OpName %14 "b"
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%2 = OpTypeVoid
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%60 = OpTypeStruct
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Function %6
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%9 = OpConstant %6 1
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%11 = OpConstant %6 2
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%61 = OpConstantComposite %60
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%62 = OpConstantComposite %60
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%12 = OpTypeStruct %6 %6
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%63 = OpTypeStruct %6 %60
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%13 = OpTypePointer Function %12
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%10 = OpVariable %7 Function
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%14 = OpVariable %13 Function
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OpStore %8 %9
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OpStore %10 %11
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%15 = OpLoad %6 %8
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%16 = OpLoad %6 %10
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%17 = OpCompositeConstruct %12 %15 %16
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%64 = OpCompositeConstruct %63 %15 %61
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%50 = OpCompositeInsert %63 %62 %64 1
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OpStore %14 %17
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(IsEqual(env, after_transformations, context.get()));
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}
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TEST(TransformationCompositeInsertTest, IrrelevantCompositeNoSynonyms) {
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// This test handles cases where either |composite| is irrelevant.
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// The transformation shouldn't create any synonyms.
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// The member composite has a different number of elements than the parent
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// composite.
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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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OpName %8 "i1"
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OpName %10 "i2"
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OpName %12 "base"
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OpMemberName %12 0 "a1"
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OpMemberName %12 1 "a2"
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OpName %14 "b"
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OpName %18 "level_1"
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OpMemberName %18 0 "b1"
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OpMemberName %18 1 "b2"
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OpMemberName %18 2 "b3"
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OpName %20 "l1"
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OpName %25 "level_2"
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OpMemberName %25 0 "c1"
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OpMemberName %25 1 "c2"
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OpName %27 "l2"
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Function %6
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%9 = OpConstant %6 1
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%11 = OpConstant %6 2
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%12 = OpTypeStruct %6 %6
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%13 = OpTypePointer Function %12
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%18 = OpTypeStruct %12 %12 %12
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%19 = OpTypePointer Function %18
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%25 = OpTypeStruct %18 %18
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%26 = OpTypePointer Function %25
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%31 = OpTypeBool
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%32 = OpConstantTrue %31
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%10 = OpVariable %7 Function
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%14 = OpVariable %13 Function
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%20 = OpVariable %19 Function
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%27 = OpVariable %26 Function
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OpStore %8 %9
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OpStore %10 %11
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%15 = OpLoad %6 %8
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%16 = OpLoad %6 %10
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%17 = OpCompositeConstruct %12 %15 %16
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OpStore %14 %17
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%21 = OpLoad %12 %14
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%22 = OpLoad %12 %14
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%23 = OpLoad %12 %14
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%24 = OpCompositeConstruct %18 %21 %22 %23
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OpStore %20 %24
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%28 = OpLoad %18 %20
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%29 = OpLoad %18 %20
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%30 = OpCompositeConstruct %25 %28 %29
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OpStore %27 %30
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OpSelectionMerge %34 None
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OpBranchConditional %32 %33 %34
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%33 = OpLabel
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OpBranch %34
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%34 = 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_4;
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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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// Add fact that the composite is irrelevant.
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transformation_context.GetFactManager()->AddFactIdIsIrrelevant(30);
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auto transformation_good_1 = TransformationCompositeInsert(
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MakeInstructionDescriptor(30, SpvOpStore, 0), 50, 30, 11, {1, 0, 0});
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ASSERT_TRUE(transformation_good_1.IsApplicable(context.get(),
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transformation_context));
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ApplyAndCheckFreshIds(transformation_good_1, 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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// No synonyms that involve the original object - %30 - should have been
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// added.
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ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(30, {0}), MakeDataDescriptor(50, {0})));
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ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(30, {1, 1}), MakeDataDescriptor(50, {1, 1})));
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ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(30, {1, 2}), MakeDataDescriptor(50, {1, 2})));
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ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(30, {1, 0, 1}), MakeDataDescriptor(50, {1, 0, 1})));
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// We *should* have a synonym between %11 and the component of %50 into which
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// it has been inserted.
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ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(50, {1, 0, 0}), MakeDataDescriptor(11, {})));
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}
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TEST(TransformationCompositeInsertTest, IrrelevantObjectNoSynonyms) {
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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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OpName %8 "i1"
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OpName %10 "i2"
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OpName %12 "base"
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OpMemberName %12 0 "a1"
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OpMemberName %12 1 "a2"
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OpName %14 "b"
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OpName %18 "level_1"
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OpMemberName %18 0 "b1"
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OpMemberName %18 1 "b2"
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OpMemberName %18 2 "b3"
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OpName %20 "l1"
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OpName %25 "level_2"
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OpMemberName %25 0 "c1"
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OpMemberName %25 1 "c2"
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OpName %27 "l2"
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Function %6
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%9 = OpConstant %6 1
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%11 = OpConstant %6 2
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%12 = OpTypeStruct %6 %6
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%13 = OpTypePointer Function %12
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%18 = OpTypeStruct %12 %12 %12
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%19 = OpTypePointer Function %18
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%25 = OpTypeStruct %18 %18
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%26 = OpTypePointer Function %25
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%31 = OpTypeBool
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%32 = OpConstantTrue %31
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%10 = OpVariable %7 Function
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%14 = OpVariable %13 Function
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%20 = OpVariable %19 Function
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%27 = OpVariable %26 Function
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OpStore %8 %9
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OpStore %10 %11
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%15 = OpLoad %6 %8
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%16 = OpLoad %6 %10
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%17 = OpCompositeConstruct %12 %15 %16
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OpStore %14 %17
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%21 = OpLoad %12 %14
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%22 = OpLoad %12 %14
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%23 = OpLoad %12 %14
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%24 = OpCompositeConstruct %18 %21 %22 %23
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OpStore %20 %24
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%28 = OpLoad %18 %20
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%29 = OpLoad %18 %20
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%30 = OpCompositeConstruct %25 %28 %29
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OpStore %27 %30
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OpSelectionMerge %34 None
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OpBranchConditional %32 %33 %34
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%33 = OpLabel
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OpBranch %34
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%34 = 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_4;
|
|
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);
|
|
// Add fact that the object is irrelevant.
|
|
transformation_context.GetFactManager()->AddFactIdIsIrrelevant(11);
|
|
|
|
auto transformation_good_1 = TransformationCompositeInsert(
|
|
MakeInstructionDescriptor(30, SpvOpStore, 0), 50, 30, 11, {1, 0, 0});
|
|
ASSERT_TRUE(transformation_good_1.IsApplicable(context.get(),
|
|
transformation_context));
|
|
ApplyAndCheckFreshIds(transformation_good_1, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
|
|
// Since %30 and %50 are not irrelevant, they should be synonymous at all
|
|
// indices unaffected by the insertion.
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(30, {0}), MakeDataDescriptor(50, {0})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(30, {1, 1}), MakeDataDescriptor(50, {1, 1})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(30, {1, 2}), MakeDataDescriptor(50, {1, 2})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(30, {1, 0, 1}), MakeDataDescriptor(50, {1, 0, 1})));
|
|
// Since %11 is irrelevant it should not be synonymous with the component into
|
|
// which it has been inserted.
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(50, {1, 0, 0}), MakeDataDescriptor(11, {})));
|
|
}
|
|
|
|
TEST(TransformationCompositeInsertTest, ApplicableCreatedSynonyms) {
|
|
// This test handles cases where neither |composite| nor |object| is
|
|
// irrelevant. The transformation should create synonyms.
|
|
// The member composite has a different number of elements than the parent
|
|
// composite.
|
|
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpName %4 "main"
|
|
OpName %8 "i1"
|
|
OpName %10 "i2"
|
|
OpName %12 "base"
|
|
OpMemberName %12 0 "a1"
|
|
OpMemberName %12 1 "a2"
|
|
OpName %14 "b"
|
|
OpName %18 "level_1"
|
|
OpMemberName %18 0 "b1"
|
|
OpMemberName %18 1 "b2"
|
|
OpMemberName %18 2 "b3"
|
|
OpName %20 "l1"
|
|
OpName %25 "level_2"
|
|
OpMemberName %25 0 "c1"
|
|
OpMemberName %25 1 "c2"
|
|
OpName %27 "l2"
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 1
|
|
%11 = OpConstant %6 2
|
|
%12 = OpTypeStruct %6 %6
|
|
%13 = OpTypePointer Function %12
|
|
%18 = OpTypeStruct %12 %12 %12
|
|
%19 = OpTypePointer Function %18
|
|
%25 = OpTypeStruct %18 %18
|
|
%26 = OpTypePointer Function %25
|
|
%31 = OpTypeBool
|
|
%32 = OpConstantTrue %31
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
%14 = OpVariable %13 Function
|
|
%20 = OpVariable %19 Function
|
|
%27 = OpVariable %26 Function
|
|
OpStore %8 %9
|
|
OpStore %10 %11
|
|
%15 = OpLoad %6 %8
|
|
%16 = OpLoad %6 %10
|
|
%17 = OpCompositeConstruct %12 %15 %16
|
|
OpStore %14 %17
|
|
%21 = OpLoad %12 %14
|
|
%22 = OpLoad %12 %14
|
|
%23 = OpLoad %12 %14
|
|
%24 = OpCompositeConstruct %18 %21 %22 %23
|
|
OpStore %20 %24
|
|
%28 = OpLoad %18 %20
|
|
%29 = OpLoad %18 %20
|
|
%30 = OpCompositeConstruct %25 %28 %29
|
|
OpStore %27 %30
|
|
OpSelectionMerge %34 None
|
|
OpBranchConditional %32 %33 %34
|
|
%33 = OpLabel
|
|
OpBranch %34
|
|
%34 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
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 transformation_good_1 = TransformationCompositeInsert(
|
|
MakeInstructionDescriptor(30, SpvOpStore, 0), 50, 30, 11, {1, 0, 0});
|
|
ASSERT_TRUE(transformation_good_1.IsApplicable(context.get(),
|
|
transformation_context));
|
|
ApplyAndCheckFreshIds(transformation_good_1, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
|
|
// These synonyms should have been added.
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(30, {0}), MakeDataDescriptor(50, {0})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(30, {1, 1}), MakeDataDescriptor(50, {1, 1})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(30, {1, 2}), MakeDataDescriptor(50, {1, 2})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(30, {1, 0, 1}), MakeDataDescriptor(50, {1, 0, 1})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(50, {1, 0, 0}), MakeDataDescriptor(11, {})));
|
|
|
|
// These synonyms should not have been added.
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(30, {1}), MakeDataDescriptor(50, {1})));
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(30, {1, 0}), MakeDataDescriptor(50, {1, 0})));
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(30, {1, 0, 0}), MakeDataDescriptor(50, {1, 0, 0})));
|
|
|
|
auto transformation_good_2 = TransformationCompositeInsert(
|
|
MakeInstructionDescriptor(50, SpvOpStore, 0), 51, 50, 11, {0, 1, 1});
|
|
ASSERT_TRUE(transformation_good_2.IsApplicable(context.get(),
|
|
transformation_context));
|
|
ApplyAndCheckFreshIds(transformation_good_2, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
|
|
// These synonyms should have been added.
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(50, {1}), MakeDataDescriptor(51, {1})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(50, {0, 0}), MakeDataDescriptor(51, {0, 0})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(50, {0, 2}), MakeDataDescriptor(51, {0, 2})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(50, {0, 1, 0}), MakeDataDescriptor(51, {0, 1, 0})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(51, {0, 1, 1}), MakeDataDescriptor(11, {})));
|
|
|
|
// These synonyms should not have been added.
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(50, {0}), MakeDataDescriptor(51, {0})));
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(50, {0, 1}), MakeDataDescriptor(51, {0, 1})));
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(50, {0, 1, 1}), MakeDataDescriptor(51, {0, 1, 1})));
|
|
|
|
std::string after_transformations = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpName %4 "main"
|
|
OpName %8 "i1"
|
|
OpName %10 "i2"
|
|
OpName %12 "base"
|
|
OpMemberName %12 0 "a1"
|
|
OpMemberName %12 1 "a2"
|
|
OpName %14 "b"
|
|
OpName %18 "level_1"
|
|
OpMemberName %18 0 "b1"
|
|
OpMemberName %18 1 "b2"
|
|
OpMemberName %18 2 "b3"
|
|
OpName %20 "l1"
|
|
OpName %25 "level_2"
|
|
OpMemberName %25 0 "c1"
|
|
OpMemberName %25 1 "c2"
|
|
OpName %27 "l2"
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 1
|
|
%11 = OpConstant %6 2
|
|
%12 = OpTypeStruct %6 %6
|
|
%13 = OpTypePointer Function %12
|
|
%18 = OpTypeStruct %12 %12 %12
|
|
%19 = OpTypePointer Function %18
|
|
%25 = OpTypeStruct %18 %18
|
|
%26 = OpTypePointer Function %25
|
|
%31 = OpTypeBool
|
|
%32 = OpConstantTrue %31
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
%14 = OpVariable %13 Function
|
|
%20 = OpVariable %19 Function
|
|
%27 = OpVariable %26 Function
|
|
OpStore %8 %9
|
|
OpStore %10 %11
|
|
%15 = OpLoad %6 %8
|
|
%16 = OpLoad %6 %10
|
|
%17 = OpCompositeConstruct %12 %15 %16
|
|
OpStore %14 %17
|
|
%21 = OpLoad %12 %14
|
|
%22 = OpLoad %12 %14
|
|
%23 = OpLoad %12 %14
|
|
%24 = OpCompositeConstruct %18 %21 %22 %23
|
|
OpStore %20 %24
|
|
%28 = OpLoad %18 %20
|
|
%29 = OpLoad %18 %20
|
|
%30 = OpCompositeConstruct %25 %28 %29
|
|
%50 = OpCompositeInsert %25 %11 %30 1 0 0
|
|
%51 = OpCompositeInsert %25 %11 %50 0 1 1
|
|
OpStore %27 %30
|
|
OpSelectionMerge %34 None
|
|
OpBranchConditional %32 %33 %34
|
|
%33 = OpLabel
|
|
OpBranch %34
|
|
%34 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
ASSERT_TRUE(IsEqual(env, after_transformations, context.get()));
|
|
}
|
|
|
|
TEST(TransformationCompositeInsertTest, IdNotAvailableScenarios) {
|
|
// This test handles cases where either the composite or the object is not
|
|
// available before the |instruction_to_insert_before|.
|
|
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpName %4 "main"
|
|
OpName %8 "i1"
|
|
OpName %10 "i2"
|
|
OpName %12 "base"
|
|
OpMemberName %12 0 "a1"
|
|
OpMemberName %12 1 "a2"
|
|
OpName %14 "b1"
|
|
OpName %18 "b2"
|
|
OpName %22 "lvl1"
|
|
OpMemberName %22 0 "b1"
|
|
OpMemberName %22 1 "b2"
|
|
OpName %24 "l1"
|
|
OpName %28 "i3"
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 1
|
|
%11 = OpConstant %6 2
|
|
%12 = OpTypeStruct %6 %6
|
|
%13 = OpTypePointer Function %12
|
|
%22 = OpTypeStruct %12 %12
|
|
%23 = OpTypePointer Function %22
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
%14 = OpVariable %13 Function
|
|
%18 = OpVariable %13 Function
|
|
%24 = OpVariable %23 Function
|
|
%28 = OpVariable %7 Function
|
|
OpStore %8 %9
|
|
OpStore %10 %11
|
|
%15 = OpLoad %6 %8
|
|
%16 = OpLoad %6 %10
|
|
%17 = OpCompositeConstruct %12 %15 %16
|
|
OpStore %14 %17
|
|
%19 = OpLoad %6 %10
|
|
%20 = OpLoad %6 %8
|
|
%21 = OpCompositeConstruct %12 %19 %20
|
|
OpStore %18 %21
|
|
%25 = OpLoad %12 %14
|
|
%26 = OpLoad %12 %18
|
|
%27 = OpCompositeConstruct %22 %25 %26
|
|
OpStore %24 %27
|
|
%29 = OpLoad %6 %8
|
|
%30 = OpLoad %6 %10
|
|
%31 = OpIMul %6 %29 %30
|
|
OpStore %28 %31
|
|
%60 = OpCompositeConstruct %12 %20 %19
|
|
%61 = OpCompositeConstruct %22 %26 %25
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
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);
|
|
// Bad: The object with |object_id| is not available at
|
|
// |instruction_to_insert_before|.
|
|
auto transformation_bad_1 = TransformationCompositeInsert(
|
|
MakeInstructionDescriptor(31, SpvOpIMul, 0), 50, 27, 60, {1});
|
|
ASSERT_FALSE(
|
|
transformation_bad_1.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Bad: The composite with |composite_id| is not available at
|
|
// |instruction_to_insert_before|.
|
|
auto transformation_bad_2 = TransformationCompositeInsert(
|
|
MakeInstructionDescriptor(31, SpvOpIMul, 0), 50, 61, 21, {1});
|
|
ASSERT_FALSE(
|
|
transformation_bad_2.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Bad: The |instruction_to_insert_before| is the composite itself and is
|
|
// available.
|
|
auto transformation_bad_3 = TransformationCompositeInsert(
|
|
MakeInstructionDescriptor(61, SpvOpCompositeConstruct, 0), 50, 61, 21,
|
|
{1});
|
|
ASSERT_FALSE(
|
|
transformation_bad_3.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Bad: The |instruction_to_insert_before| is the object itself and is not
|
|
// available.
|
|
auto transformation_bad_4 = TransformationCompositeInsert(
|
|
MakeInstructionDescriptor(60, SpvOpCompositeConstruct, 0), 50, 27, 60,
|
|
{1});
|
|
ASSERT_FALSE(
|
|
transformation_bad_4.IsApplicable(context.get(), transformation_context));
|
|
}
|
|
|
|
TEST(TransformationCompositeInsertTest, CompositeInsertionWithIrrelevantIds) {
|
|
// This checks that we do *not* get data synonym facts when we do composite
|
|
// insertion using irrelevant ids or in dead blocks.
|
|
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %12 "main"
|
|
OpExecutionMode %12 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypeVector %6 2
|
|
%8 = OpConstant %6 0
|
|
%9 = OpConstantComposite %7 %8 %8
|
|
%10 = OpTypeBool
|
|
%11 = OpConstantFalse %10
|
|
%16 = OpConstant %6 0
|
|
%17 = OpConstant %6 1
|
|
%18 = OpConstantComposite %7 %8 %8
|
|
%12 = OpFunction %2 None %3
|
|
%13 = OpLabel
|
|
OpSelectionMerge %15 None
|
|
OpBranchConditional %11 %14 %15
|
|
%14 = OpLabel
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
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);
|
|
|
|
transformation_context.GetFactManager()->AddFactBlockIsDead(14);
|
|
transformation_context.GetFactManager()->AddFactIdIsIrrelevant(16);
|
|
transformation_context.GetFactManager()->AddFactIdIsIrrelevant(18);
|
|
|
|
// Leads to synonyms - nothing is irrelevant.
|
|
auto transformation1 = TransformationCompositeInsert(
|
|
MakeInstructionDescriptor(13, SpvOpSelectionMerge, 0), 100, 9, 17, {0});
|
|
ASSERT_TRUE(
|
|
transformation1.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation1, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(100, {0}), MakeDataDescriptor(17, {})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(100, {1}), MakeDataDescriptor(9, {1})));
|
|
|
|
// Because %16 is irrelevant, we don't get a synonym with the component to
|
|
// which it has been inserted (but we do for the other component).
|
|
auto transformation2 = TransformationCompositeInsert(
|
|
MakeInstructionDescriptor(13, SpvOpSelectionMerge, 0), 101, 9, 16, {0});
|
|
ASSERT_TRUE(
|
|
transformation2.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation2, context.get(),
|
|
&transformation_context);
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(101, {0}), MakeDataDescriptor(16, {})));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(101, {1}), MakeDataDescriptor(9, {1})));
|
|
|
|
// Because %18 is irrelevant we only get a synonym for the component into
|
|
// which insertion has taken place.
|
|
auto transformation3 = TransformationCompositeInsert(
|
|
MakeInstructionDescriptor(13, SpvOpSelectionMerge, 0), 102, 18, 17, {0});
|
|
ASSERT_TRUE(
|
|
transformation3.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation3, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(102, {0}), MakeDataDescriptor(17, {})));
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(102, {1}), MakeDataDescriptor(18, {1})));
|
|
|
|
// Does not lead to synonyms as block %14 is dead.
|
|
auto transformation4 = TransformationCompositeInsert(
|
|
MakeInstructionDescriptor(14, SpvOpBranch, 0), 103, 9, 17, {0});
|
|
ASSERT_TRUE(
|
|
transformation4.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation4, context.get(),
|
|
&transformation_context);
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(103, {0}), MakeDataDescriptor(17, {})));
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(103, {1}), MakeDataDescriptor(9, {1})));
|
|
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|