mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-29 03:01:08 +00:00
6382cbb497
Avoids invalidating all analyses in transformations that add constants, OpUndef and global and local variables.
541 lines
21 KiB
C++
541 lines
21 KiB
C++
// Copyright (c) 2019 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_add_global_variable.h"
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#include "gtest/gtest.h"
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#include "source/fuzz/fuzzer_util.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(TransformationAddGlobalVariableTest, BasicTest) {
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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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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%40 = OpConstant %6 0
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%7 = OpTypeInt 32 1
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%8 = OpTypeVector %6 2
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%41 = OpConstantComposite %8 %40 %40
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%9 = OpTypePointer Function %6
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%10 = OpTypePointer Private %6
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%20 = OpTypePointer Uniform %6
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%11 = OpTypePointer Function %7
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%12 = OpTypePointer Private %7
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%13 = OpTypePointer Private %8
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%14 = OpVariable %10 Private
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%15 = OpVariable %20 Uniform
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%16 = OpConstant %7 1
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%17 = OpTypePointer Private %10
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%18 = OpTypeBool
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%19 = OpTypePointer Private %18
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%21 = OpConstantTrue %18
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%22 = OpConstantFalse %18
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%4 = OpFunction %2 None %3
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%5 = 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_3;
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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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// Id already in use
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ASSERT_FALSE(
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TransformationAddGlobalVariable(4, 10, SpvStorageClassPrivate, 0, true)
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.IsApplicable(context.get(), transformation_context));
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// %1 is not a type
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ASSERT_FALSE(
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TransformationAddGlobalVariable(100, 1, SpvStorageClassPrivate, 0, false)
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.IsApplicable(context.get(), transformation_context));
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// %7 is not a pointer type
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ASSERT_FALSE(
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TransformationAddGlobalVariable(100, 7, SpvStorageClassPrivate, 0, true)
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.IsApplicable(context.get(), transformation_context));
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// %9 does not have Private storage class
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ASSERT_FALSE(
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TransformationAddGlobalVariable(100, 9, SpvStorageClassPrivate, 0, false)
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.IsApplicable(context.get(), transformation_context));
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// %15 does not have Private storage class
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ASSERT_FALSE(
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TransformationAddGlobalVariable(100, 15, SpvStorageClassPrivate, 0, true)
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.IsApplicable(context.get(), transformation_context));
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// %10 is a pointer to float, while %16 is an int constant
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ASSERT_FALSE(TransformationAddGlobalVariable(100, 10, SpvStorageClassPrivate,
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16, false)
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.IsApplicable(context.get(), transformation_context));
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// %10 is a Private pointer to float, while %15 is a variable with type
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// Uniform float pointer
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ASSERT_FALSE(
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TransformationAddGlobalVariable(100, 10, SpvStorageClassPrivate, 15, true)
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.IsApplicable(context.get(), transformation_context));
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// %12 is a Private pointer to int, while %10 is a variable with type
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// Private float pointer
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ASSERT_FALSE(TransformationAddGlobalVariable(100, 12, SpvStorageClassPrivate,
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10, false)
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.IsApplicable(context.get(), transformation_context));
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// %10 is pointer-to-float, and %14 has type pointer-to-float; that's not OK
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// since the initializer's type should be the *pointee* type.
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ASSERT_FALSE(
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TransformationAddGlobalVariable(104, 10, SpvStorageClassPrivate, 14, true)
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.IsApplicable(context.get(), transformation_context));
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// This would work in principle, but logical addressing does not allow
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// a pointer to a pointer.
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ASSERT_FALSE(TransformationAddGlobalVariable(104, 17, SpvStorageClassPrivate,
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14, false)
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.IsApplicable(context.get(), transformation_context));
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{
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// %100 = OpVariable %12 Private
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ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(100));
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TransformationAddGlobalVariable transformation(
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100, 12, SpvStorageClassPrivate, 16, true);
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(),
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&transformation_context);
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ASSERT_EQ(SpvOpVariable, context->get_def_use_mgr()->GetDef(100)->opcode());
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ASSERT_EQ(
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SpvStorageClassPrivate,
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static_cast<SpvStorageClass>(
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context->get_def_use_mgr()->GetDef(100)->GetSingleWordInOperand(
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0)));
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}
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TransformationAddGlobalVariable transformations[] = {
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// %101 = OpVariable %10 Private
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TransformationAddGlobalVariable(101, 10, SpvStorageClassPrivate, 40,
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false),
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// %102 = OpVariable %13 Private
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TransformationAddGlobalVariable(102, 13, SpvStorageClassPrivate, 41,
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true),
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// %103 = OpVariable %12 Private %16
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TransformationAddGlobalVariable(103, 12, SpvStorageClassPrivate, 16,
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false),
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// %104 = OpVariable %19 Private %21
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TransformationAddGlobalVariable(104, 19, SpvStorageClassPrivate, 21,
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true),
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// %105 = OpVariable %19 Private %22
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TransformationAddGlobalVariable(105, 19, SpvStorageClassPrivate, 22,
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false)};
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for (auto& transformation : transformations) {
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(),
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&transformation_context);
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}
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ASSERT_TRUE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(100));
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ASSERT_TRUE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(102));
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ASSERT_TRUE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(104));
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ASSERT_FALSE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(101));
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ASSERT_FALSE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(103));
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ASSERT_FALSE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(105));
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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std::string after_transformation = 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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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%40 = OpConstant %6 0
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%7 = OpTypeInt 32 1
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%8 = OpTypeVector %6 2
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%41 = OpConstantComposite %8 %40 %40
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%9 = OpTypePointer Function %6
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%10 = OpTypePointer Private %6
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%20 = OpTypePointer Uniform %6
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%11 = OpTypePointer Function %7
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%12 = OpTypePointer Private %7
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%13 = OpTypePointer Private %8
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%14 = OpVariable %10 Private
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%15 = OpVariable %20 Uniform
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%16 = OpConstant %7 1
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%17 = OpTypePointer Private %10
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%18 = OpTypeBool
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%19 = OpTypePointer Private %18
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%21 = OpConstantTrue %18
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%22 = OpConstantFalse %18
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%100 = OpVariable %12 Private %16
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%101 = OpVariable %10 Private %40
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%102 = OpVariable %13 Private %41
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%103 = OpVariable %12 Private %16
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%104 = OpVariable %19 Private %21
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%105 = OpVariable %19 Private %22
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
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}
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TEST(TransformationAddGlobalVariableTest, TestEntryPointInterfaceEnlargement) {
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// This checks that when global variables are added to a SPIR-V 1.4+ module,
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// they are also added to entry points of that module.
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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 "m1"
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OpEntryPoint Vertex %5 "m2"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%7 = OpTypeInt 32 1
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%8 = OpTypeVector %6 2
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%9 = OpTypePointer Function %6
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%10 = OpTypePointer Private %6
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%11 = OpTypePointer Function %7
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%12 = OpTypePointer Private %7
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%13 = OpTypePointer Private %8
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%14 = OpVariable %10 Private
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%16 = OpConstant %7 1
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%17 = OpTypePointer Private %10
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%18 = OpTypeBool
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%19 = OpTypePointer Private %18
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%21 = OpConstantTrue %18
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%4 = OpFunction %2 None %3
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%30 = OpLabel
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OpReturn
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OpFunctionEnd
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%5 = OpFunction %2 None %3
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%31 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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for (auto env : {SPV_ENV_UNIVERSAL_1_4, SPV_ENV_UNIVERSAL_1_5,
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SPV_ENV_VULKAN_1_1_SPIRV_1_4, SPV_ENV_VULKAN_1_2}) {
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const auto consumer = nullptr;
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const auto context =
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BuildModule(env, consumer, shader, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
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context.get(), validator_options, kConsoleMessageConsumer));
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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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TransformationAddGlobalVariable transformations[] = {
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// %100 = OpVariable %12 Private
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TransformationAddGlobalVariable(100, 12, SpvStorageClassPrivate, 16,
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true),
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// %101 = OpVariable %12 Private %16
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TransformationAddGlobalVariable(101, 12, SpvStorageClassPrivate, 16,
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false),
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// %102 = OpVariable %19 Private %21
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TransformationAddGlobalVariable(102, 19, SpvStorageClassPrivate, 21,
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true)};
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for (auto& transformation : transformations) {
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(),
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&transformation_context);
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}
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ASSERT_TRUE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(100));
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ASSERT_TRUE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(102));
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ASSERT_FALSE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(101));
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
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context.get(), validator_options, kConsoleMessageConsumer));
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std::string after_transformation_enlarged_interface = 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 "m1" %100 %101 %102
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OpEntryPoint Vertex %5 "m2" %100 %101 %102
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%7 = OpTypeInt 32 1
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%8 = OpTypeVector %6 2
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%9 = OpTypePointer Function %6
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%10 = OpTypePointer Private %6
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%11 = OpTypePointer Function %7
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%12 = OpTypePointer Private %7
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%13 = OpTypePointer Private %8
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%14 = OpVariable %10 Private
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%16 = OpConstant %7 1
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%17 = OpTypePointer Private %10
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%18 = OpTypeBool
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%19 = OpTypePointer Private %18
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%21 = OpConstantTrue %18
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%100 = OpVariable %12 Private %16
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%101 = OpVariable %12 Private %16
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%102 = OpVariable %19 Private %21
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%4 = OpFunction %2 None %3
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%30 = OpLabel
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OpReturn
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OpFunctionEnd
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%5 = OpFunction %2 None %3
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%31 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(
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IsEqual(env, after_transformation_enlarged_interface, context.get()));
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}
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}
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TEST(TransformationAddGlobalVariableTest,
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TestEntryPointInterfaceNoEnlargement) {
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// This checks that when global variables are added to a SPIR-V 1.3- module,
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// they are not added to entry points of that module.
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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 "m1"
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OpEntryPoint Vertex %5 "m2"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%7 = OpTypeInt 32 1
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%8 = OpTypeVector %6 2
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%9 = OpTypePointer Function %6
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%10 = OpTypePointer Private %6
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%11 = OpTypePointer Function %7
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%12 = OpTypePointer Private %7
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%13 = OpTypePointer Private %8
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%14 = OpVariable %10 Private
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%16 = OpConstant %7 1
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%17 = OpTypePointer Private %10
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%18 = OpTypeBool
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%19 = OpTypePointer Private %18
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%21 = OpConstantTrue %18
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%4 = OpFunction %2 None %3
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%30 = OpLabel
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OpReturn
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OpFunctionEnd
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%5 = OpFunction %2 None %3
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%31 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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for (auto env :
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{SPV_ENV_UNIVERSAL_1_0, SPV_ENV_UNIVERSAL_1_1, SPV_ENV_UNIVERSAL_1_2,
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SPV_ENV_UNIVERSAL_1_3, SPV_ENV_VULKAN_1_0, SPV_ENV_VULKAN_1_1}) {
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const auto consumer = nullptr;
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const auto context =
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BuildModule(env, consumer, shader, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
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context.get(), validator_options, kConsoleMessageConsumer));
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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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TransformationAddGlobalVariable transformations[] = {
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// %100 = OpVariable %12 Private
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TransformationAddGlobalVariable(100, 12, SpvStorageClassPrivate, 16,
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true),
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// %101 = OpVariable %12 Private %16
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TransformationAddGlobalVariable(101, 12, SpvStorageClassPrivate, 16,
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false),
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// %102 = OpVariable %19 Private %21
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TransformationAddGlobalVariable(102, 19, SpvStorageClassPrivate, 21,
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true)};
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for (auto& transformation : transformations) {
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(),
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&transformation_context);
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}
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ASSERT_TRUE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(100));
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ASSERT_TRUE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(102));
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ASSERT_FALSE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(101));
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
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context.get(), validator_options, kConsoleMessageConsumer));
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std::string after_transformation_fixed_interface = 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 "m1"
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OpEntryPoint Vertex %5 "m2"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%7 = OpTypeInt 32 1
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%8 = OpTypeVector %6 2
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%9 = OpTypePointer Function %6
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%10 = OpTypePointer Private %6
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%11 = OpTypePointer Function %7
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%12 = OpTypePointer Private %7
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%13 = OpTypePointer Private %8
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%14 = OpVariable %10 Private
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%16 = OpConstant %7 1
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%17 = OpTypePointer Private %10
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%18 = OpTypeBool
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%19 = OpTypePointer Private %18
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%21 = OpConstantTrue %18
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%100 = OpVariable %12 Private %16
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%101 = OpVariable %12 Private %16
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%102 = OpVariable %19 Private %21
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%4 = OpFunction %2 None %3
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%30 = OpLabel
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OpReturn
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OpFunctionEnd
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%5 = OpFunction %2 None %3
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%31 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(
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IsEqual(env, after_transformation_fixed_interface, context.get()));
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}
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}
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TEST(TransformationAddGlobalVariableTest, TestAddingWorkgroupGlobals) {
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// This checks that workgroup globals can be added to a compute shader.
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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 GLCompute %4 "main"
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OpExecutionMode %4 LocalSize 1 1 1
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OpSource ESSL 310
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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 Workgroup %6
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%50 = OpConstant %6 2
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%4 = OpFunction %2 None %3
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%5 = 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(
|
|
MakeUnique<FactManager>(context.get()), validator_options);
|
|
#ifndef NDEBUG
|
|
ASSERT_DEATH(
|
|
TransformationAddGlobalVariable(8, 7, SpvStorageClassWorkgroup, 50, true)
|
|
.IsApplicable(context.get(), transformation_context),
|
|
"By construction this transformation should not have an.*initializer "
|
|
"when Workgroup storage class is used");
|
|
#endif
|
|
|
|
TransformationAddGlobalVariable transformations[] = {
|
|
// %8 = OpVariable %7 Workgroup
|
|
TransformationAddGlobalVariable(8, 7, SpvStorageClassWorkgroup, 0, true),
|
|
|
|
// %10 = OpVariable %7 Workgroup
|
|
TransformationAddGlobalVariable(10, 7, SpvStorageClassWorkgroup, 0,
|
|
false)};
|
|
|
|
for (auto& transformation : transformations) {
|
|
ASSERT_TRUE(
|
|
transformation.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation, context.get(),
|
|
&transformation_context);
|
|
}
|
|
ASSERT_TRUE(
|
|
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(8));
|
|
ASSERT_FALSE(
|
|
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(10));
|
|
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 GLCompute %4 "main" %8 %10
|
|
OpExecutionMode %4 LocalSize 1 1 1
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Workgroup %6
|
|
%50 = OpConstant %6 2
|
|
%8 = OpVariable %7 Workgroup
|
|
%10 = OpVariable %7 Workgroup
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|