mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-30 15:00:06 +00:00
6382cbb497
Avoids invalidating all analyses in transformations that add constants, OpUndef and global and local variables.
233 lines
8.8 KiB
C++
233 lines
8.8 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_add_local_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(TransformationAddLocalVariableTest, 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 = OpTypeInt 32 1
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%7 = OpTypeStruct %6 %6
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%8 = OpTypePointer Function %7
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%10 = OpConstant %6 1
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%11 = OpConstant %6 2
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%12 = OpConstantComposite %7 %10 %11
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%13 = OpTypeFloat 32
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%14 = OpTypeInt 32 0
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%15 = OpConstant %14 3
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%16 = OpTypeArray %13 %15
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%17 = OpTypeBool
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%18 = OpTypeStruct %16 %7 %17
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%19 = OpTypePointer Function %18
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%21 = OpConstant %13 1
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%22 = OpConstant %13 2
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%23 = OpConstant %13 4
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%24 = OpConstantComposite %16 %21 %22 %23
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%25 = OpConstant %6 5
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%26 = OpConstant %6 6
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%27 = OpConstantComposite %7 %25 %26
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%28 = OpConstantFalse %17
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%29 = OpConstantComposite %18 %24 %27 %28
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%30 = OpTypeVector %13 2
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%31 = OpTypePointer Function %30
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%33 = OpConstantComposite %30 %21 %21
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%34 = OpTypeVector %17 3
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%35 = OpTypePointer Function %34
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%37 = OpConstantTrue %17
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%38 = OpConstantComposite %34 %37 %28 %28
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%39 = OpTypeVector %13 4
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%40 = OpTypeMatrix %39 3
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%41 = OpTypePointer Function %40
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%43 = OpConstantComposite %39 %21 %22 %23 %21
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%44 = OpConstantComposite %39 %22 %23 %21 %22
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%45 = OpConstantComposite %39 %23 %21 %22 %23
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%46 = OpConstantComposite %40 %43 %44 %45
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%50 = OpTypePointer Function %14
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%51 = OpConstantNull %14
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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(
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MakeUnique<FactManager>(context.get()), validator_options);
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// A few cases of inapplicable transformations:
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// Id 4 is already in use
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ASSERT_FALSE(TransformationAddLocalVariable(4, 50, 4, 51, true)
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.IsApplicable(context.get(), transformation_context));
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// Type mismatch between initializer and pointer
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ASSERT_FALSE(TransformationAddLocalVariable(105, 46, 4, 51, true)
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.IsApplicable(context.get(), transformation_context));
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// Id 5 is not a function
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ASSERT_FALSE(TransformationAddLocalVariable(105, 50, 5, 51, true)
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.IsApplicable(context.get(), transformation_context));
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// %105 = OpVariable %50 Function %51
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{
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TransformationAddLocalVariable transformation(105, 50, 4, 51, true);
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ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(105));
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ASSERT_EQ(nullptr, context->get_instr_block(105));
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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(105)->opcode());
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ASSERT_EQ(5, context->get_instr_block(105)->id());
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}
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// %104 = OpVariable %41 Function %46
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{
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TransformationAddLocalVariable transformation(104, 41, 4, 46, false);
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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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// %103 = OpVariable %35 Function %38
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{
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TransformationAddLocalVariable transformation(103, 35, 4, 38, 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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}
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// %102 = OpVariable %31 Function %33
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{
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TransformationAddLocalVariable transformation(102, 31, 4, 33, false);
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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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// %101 = OpVariable %19 Function %29
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{
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TransformationAddLocalVariable transformation(101, 19, 4, 29, 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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}
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// %100 = OpVariable %8 Function %12
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{
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TransformationAddLocalVariable transformation(100, 8, 4, 12, false);
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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_FALSE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(100));
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ASSERT_TRUE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(101));
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ASSERT_FALSE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(102));
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ASSERT_TRUE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(103));
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ASSERT_FALSE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(104));
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ASSERT_TRUE(
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(105));
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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 = OpTypeInt 32 1
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%7 = OpTypeStruct %6 %6
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%8 = OpTypePointer Function %7
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%10 = OpConstant %6 1
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%11 = OpConstant %6 2
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%12 = OpConstantComposite %7 %10 %11
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%13 = OpTypeFloat 32
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%14 = OpTypeInt 32 0
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%15 = OpConstant %14 3
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%16 = OpTypeArray %13 %15
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%17 = OpTypeBool
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%18 = OpTypeStruct %16 %7 %17
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%19 = OpTypePointer Function %18
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%21 = OpConstant %13 1
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%22 = OpConstant %13 2
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%23 = OpConstant %13 4
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%24 = OpConstantComposite %16 %21 %22 %23
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%25 = OpConstant %6 5
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%26 = OpConstant %6 6
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%27 = OpConstantComposite %7 %25 %26
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%28 = OpConstantFalse %17
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%29 = OpConstantComposite %18 %24 %27 %28
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%30 = OpTypeVector %13 2
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%31 = OpTypePointer Function %30
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%33 = OpConstantComposite %30 %21 %21
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%34 = OpTypeVector %17 3
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%35 = OpTypePointer Function %34
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%37 = OpConstantTrue %17
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%38 = OpConstantComposite %34 %37 %28 %28
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%39 = OpTypeVector %13 4
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%40 = OpTypeMatrix %39 3
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%41 = OpTypePointer Function %40
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%43 = OpConstantComposite %39 %21 %22 %23 %21
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%44 = OpConstantComposite %39 %22 %23 %21 %22
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%45 = OpConstantComposite %39 %23 %21 %22 %23
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%46 = OpConstantComposite %40 %43 %44 %45
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%50 = OpTypePointer Function %14
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%51 = OpConstantNull %14
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%100 = OpVariable %8 Function %12
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%101 = OpVariable %19 Function %29
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%102 = OpVariable %31 Function %33
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%103 = OpVariable %35 Function %38
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%104 = OpVariable %41 Function %46
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%105 = OpVariable %50 Function %51
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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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} // namespace
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} // namespace fuzz
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} // namespace spvtools
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