mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-22 11:40:05 +00:00
d35a78db57
Fixes #4960 * Switches to using enum classes with an underlying type to avoid undefined behaviour
3057 lines
121 KiB
C++
3057 lines
121 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_function.h"
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#include "gtest/gtest.h"
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#include "source/fuzz/fuzzer_util.h"
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#include "source/fuzz/instruction_message.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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protobufs::AccessChainClampingInfo MakeAccessClampingInfo(
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uint32_t access_chain_id,
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const std::vector<std::pair<uint32_t, uint32_t>>& compare_and_select_ids) {
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protobufs::AccessChainClampingInfo result;
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result.set_access_chain_id(access_chain_id);
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for (auto& compare_and_select_id : compare_and_select_ids) {
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auto pair = result.add_compare_and_select_ids();
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pair->set_first(compare_and_select_id.first);
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pair->set_second(compare_and_select_id.second);
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}
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return result;
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}
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std::vector<protobufs::Instruction> GetInstructionsForFunction(
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spv_target_env env, const MessageConsumer& consumer,
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const std::string& donor, uint32_t function_id) {
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std::vector<protobufs::Instruction> result;
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const auto donor_context =
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BuildModule(env, consumer, donor, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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assert(fuzzerutil::IsValidAndWellFormed(
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donor_context.get(), validator_options, kConsoleMessageConsumer) &&
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"The given donor must be valid.");
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for (auto& function : *donor_context->module()) {
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if (function.result_id() == function_id) {
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function.ForEachInst([&result](opt::Instruction* inst) {
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opt::Instruction::OperandList input_operands;
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for (uint32_t i = 0; i < inst->NumInOperands(); i++) {
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input_operands.push_back(inst->GetInOperand(i));
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}
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result.push_back(MakeInstructionMessage(inst->opcode(), inst->type_id(),
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inst->result_id(),
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input_operands));
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});
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break;
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}
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}
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assert(!result.empty() && "The required function should have been found.");
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return result;
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}
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// Returns true if and only if every pointer parameter and variable associated
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// with |function_id| in |context| is known by |transformation_context| to be
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// irrelevant, with the exception of |loop_limiter_id|, which must not be
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// irrelevant. (It can be 0 if no loop limiter is expected, and 0 should not be
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// deemed irrelevant).
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bool AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
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opt::IRContext* context,
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const TransformationContext& transformation_context, uint32_t function_id,
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uint32_t loop_limiter_id) {
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// Look at all the functions until the function of interest is found.
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for (auto& function : *context->module()) {
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if (function.result_id() != function_id) {
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continue;
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}
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// Check that the parameters are all irrelevant.
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bool found_non_irrelevant_parameter = false;
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function.ForEachParam([context, &transformation_context,
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&found_non_irrelevant_parameter](
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opt::Instruction* inst) {
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if (context->get_def_use_mgr()->GetDef(inst->type_id())->opcode() ==
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spv::Op::OpTypePointer &&
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!transformation_context.GetFactManager()->PointeeValueIsIrrelevant(
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inst->result_id())) {
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found_non_irrelevant_parameter = true;
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}
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});
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if (found_non_irrelevant_parameter) {
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// A non-irrelevant parameter was found.
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return false;
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}
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// Look through the instructions in the function's first block.
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for (auto& inst : *function.begin()) {
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if (inst.opcode() != spv::Op::OpVariable) {
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// We have found a non-variable instruction; this means we have gotten
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// past all variables, so we are done.
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return true;
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}
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// The variable should be irrelevant if and only if it is not the loop
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// limiter.
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if ((inst.result_id() == loop_limiter_id) ==
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transformation_context.GetFactManager()->PointeeValueIsIrrelevant(
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inst.result_id())) {
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return false;
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}
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}
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assert(false &&
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"We should have processed all variables and returned by "
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"this point.");
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}
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assert(false && "We should have found the function of interest.");
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return true;
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}
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TEST(TransformationAddFunctionTest, 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 = OpTypePointer Function %6
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%8 = OpTypeFloat 32
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%9 = OpTypePointer Function %8
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%10 = OpTypeFunction %8 %7 %9
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%18 = OpConstant %8 0
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%20 = OpConstant %6 0
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%28 = OpTypeBool
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%37 = OpConstant %6 1
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%42 = OpTypePointer Private %8
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%43 = OpVariable %42 Private
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%47 = OpConstant %8 1
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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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TransformationAddFunction transformation1(std::vector<protobufs::Instruction>(
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{MakeInstructionMessage(spv::Op::OpFunction, 8, 13,
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{{SPV_OPERAND_TYPE_FUNCTION_CONTROL,
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{uint32_t(spv::FunctionControlMask::MaskNone)}},
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{SPV_OPERAND_TYPE_ID, {10}}}),
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MakeInstructionMessage(spv::Op::OpFunctionParameter, 7, 11, {}),
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MakeInstructionMessage(spv::Op::OpFunctionParameter, 9, 12, {}),
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MakeInstructionMessage(spv::Op::OpLabel, 0, 14, {}),
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MakeInstructionMessage(spv::Op::OpVariable, 9, 17,
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{{SPV_OPERAND_TYPE_STORAGE_CLASS,
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{uint32_t(spv::StorageClass::Function)}}}),
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MakeInstructionMessage(spv::Op::OpVariable, 7, 19,
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{{SPV_OPERAND_TYPE_STORAGE_CLASS,
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{uint32_t(spv::StorageClass::Function)}}}),
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MakeInstructionMessage(
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spv::Op::OpStore, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {17}}, {SPV_OPERAND_TYPE_ID, {18}}}),
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MakeInstructionMessage(
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spv::Op::OpStore, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {19}}, {SPV_OPERAND_TYPE_ID, {20}}}),
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MakeInstructionMessage(spv::Op::OpBranch, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {21}}}),
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MakeInstructionMessage(spv::Op::OpLabel, 0, 21, {}),
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MakeInstructionMessage(spv::Op::OpLoopMerge, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {23}},
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{SPV_OPERAND_TYPE_ID, {24}},
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{SPV_OPERAND_TYPE_LOOP_CONTROL,
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{uint32_t(spv::LoopControlMask::MaskNone)}}}),
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MakeInstructionMessage(spv::Op::OpBranch, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {25}}}),
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MakeInstructionMessage(spv::Op::OpLabel, 0, 25, {}),
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MakeInstructionMessage(spv::Op::OpLoad, 6, 26,
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{{SPV_OPERAND_TYPE_ID, {19}}}),
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MakeInstructionMessage(spv::Op::OpLoad, 6, 27,
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{{SPV_OPERAND_TYPE_ID, {11}}}),
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MakeInstructionMessage(
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spv::Op::OpSLessThan, 28, 29,
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{{SPV_OPERAND_TYPE_ID, {26}}, {SPV_OPERAND_TYPE_ID, {27}}}),
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MakeInstructionMessage(spv::Op::OpBranchConditional, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {29}},
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{SPV_OPERAND_TYPE_ID, {22}},
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{SPV_OPERAND_TYPE_ID, {23}}}),
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MakeInstructionMessage(spv::Op::OpLabel, 0, 22, {}),
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MakeInstructionMessage(spv::Op::OpLoad, 8, 30,
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{{SPV_OPERAND_TYPE_ID, {12}}}),
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MakeInstructionMessage(spv::Op::OpLoad, 6, 31,
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{{SPV_OPERAND_TYPE_ID, {19}}}),
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MakeInstructionMessage(spv::Op::OpConvertSToF, 8, 32,
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{{SPV_OPERAND_TYPE_ID, {31}}}),
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MakeInstructionMessage(
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spv::Op::OpFMul, 8, 33,
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{{SPV_OPERAND_TYPE_ID, {30}}, {SPV_OPERAND_TYPE_ID, {32}}}),
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MakeInstructionMessage(spv::Op::OpLoad, 8, 34,
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{{SPV_OPERAND_TYPE_ID, {17}}}),
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MakeInstructionMessage(
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spv::Op::OpFAdd, 8, 35,
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{{SPV_OPERAND_TYPE_ID, {34}}, {SPV_OPERAND_TYPE_ID, {33}}}),
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MakeInstructionMessage(
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spv::Op::OpStore, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {17}}, {SPV_OPERAND_TYPE_ID, {35}}}),
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MakeInstructionMessage(spv::Op::OpBranch, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {24}}}),
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MakeInstructionMessage(spv::Op::OpLabel, 0, 24, {}),
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MakeInstructionMessage(spv::Op::OpLoad, 6, 36,
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{{SPV_OPERAND_TYPE_ID, {19}}}),
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MakeInstructionMessage(
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spv::Op::OpIAdd, 6, 38,
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{{SPV_OPERAND_TYPE_ID, {36}}, {SPV_OPERAND_TYPE_ID, {37}}}),
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MakeInstructionMessage(
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spv::Op::OpStore, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {19}}, {SPV_OPERAND_TYPE_ID, {38}}}),
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MakeInstructionMessage(spv::Op::OpBranch, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {21}}}),
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MakeInstructionMessage(spv::Op::OpLabel, 0, 23, {}),
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MakeInstructionMessage(spv::Op::OpLoad, 8, 39,
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{{SPV_OPERAND_TYPE_ID, {17}}}),
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MakeInstructionMessage(spv::Op::OpReturnValue, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {39}}}),
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MakeInstructionMessage(spv::Op::OpFunctionEnd, 0, 0, {})}));
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ASSERT_TRUE(
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transformation1.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation1, 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_transformation1 = 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 = OpTypePointer Function %6
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%8 = OpTypeFloat 32
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%9 = OpTypePointer Function %8
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%10 = OpTypeFunction %8 %7 %9
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%18 = OpConstant %8 0
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%20 = OpConstant %6 0
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%28 = OpTypeBool
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%37 = OpConstant %6 1
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%42 = OpTypePointer Private %8
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%43 = OpVariable %42 Private
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%47 = OpConstant %8 1
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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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%13 = OpFunction %8 None %10
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%11 = OpFunctionParameter %7
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%12 = OpFunctionParameter %9
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%14 = OpLabel
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%17 = OpVariable %9 Function
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%19 = OpVariable %7 Function
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OpStore %17 %18
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OpStore %19 %20
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OpBranch %21
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%21 = OpLabel
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OpLoopMerge %23 %24 None
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OpBranch %25
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%25 = OpLabel
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%26 = OpLoad %6 %19
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%27 = OpLoad %6 %11
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%29 = OpSLessThan %28 %26 %27
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OpBranchConditional %29 %22 %23
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%22 = OpLabel
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%30 = OpLoad %8 %12
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%31 = OpLoad %6 %19
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%32 = OpConvertSToF %8 %31
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%33 = OpFMul %8 %30 %32
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%34 = OpLoad %8 %17
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%35 = OpFAdd %8 %34 %33
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OpStore %17 %35
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OpBranch %24
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%24 = OpLabel
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%36 = OpLoad %6 %19
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%38 = OpIAdd %6 %36 %37
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OpStore %19 %38
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OpBranch %21
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%23 = OpLabel
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%39 = OpLoad %8 %17
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OpReturnValue %39
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OpFunctionEnd
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)";
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ASSERT_TRUE(IsEqual(env, after_transformation1, context.get()));
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ASSERT_TRUE(transformation_context.GetFactManager()->BlockIsDead(14));
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ASSERT_TRUE(transformation_context.GetFactManager()->BlockIsDead(21));
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ASSERT_TRUE(transformation_context.GetFactManager()->BlockIsDead(22));
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ASSERT_TRUE(transformation_context.GetFactManager()->BlockIsDead(23));
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ASSERT_TRUE(transformation_context.GetFactManager()->BlockIsDead(24));
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ASSERT_TRUE(transformation_context.GetFactManager()->BlockIsDead(25));
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TransformationAddFunction transformation2(std::vector<protobufs::Instruction>(
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{MakeInstructionMessage(spv::Op::OpFunction, 2, 15,
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{{SPV_OPERAND_TYPE_FUNCTION_CONTROL,
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{uint32_t(spv::FunctionControlMask::MaskNone)}},
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{SPV_OPERAND_TYPE_ID, {3}}}),
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MakeInstructionMessage(spv::Op::OpLabel, 0, 16, {}),
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MakeInstructionMessage(spv::Op::OpVariable, 7, 44,
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{{SPV_OPERAND_TYPE_STORAGE_CLASS,
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{uint32_t(spv::StorageClass::Function)}}}),
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MakeInstructionMessage(spv::Op::OpVariable, 9, 45,
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{{SPV_OPERAND_TYPE_STORAGE_CLASS,
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{uint32_t(spv::StorageClass::Function)}}}),
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MakeInstructionMessage(spv::Op::OpVariable, 7, 48,
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{{SPV_OPERAND_TYPE_STORAGE_CLASS,
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{uint32_t(spv::StorageClass::Function)}}}),
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MakeInstructionMessage(spv::Op::OpVariable, 9, 49,
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{{SPV_OPERAND_TYPE_STORAGE_CLASS,
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{uint32_t(spv::StorageClass::Function)}}}),
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MakeInstructionMessage(
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spv::Op::OpStore, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {44}}, {SPV_OPERAND_TYPE_ID, {20}}}),
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MakeInstructionMessage(
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spv::Op::OpStore, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {45}}, {SPV_OPERAND_TYPE_ID, {18}}}),
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MakeInstructionMessage(spv::Op::OpFunctionCall, 8, 46,
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{{SPV_OPERAND_TYPE_ID, {13}},
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{SPV_OPERAND_TYPE_ID, {44}},
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{SPV_OPERAND_TYPE_ID, {45}}}),
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MakeInstructionMessage(
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spv::Op::OpStore, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {48}}, {SPV_OPERAND_TYPE_ID, {37}}}),
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MakeInstructionMessage(
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spv::Op::OpStore, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {49}}, {SPV_OPERAND_TYPE_ID, {47}}}),
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MakeInstructionMessage(spv::Op::OpFunctionCall, 8, 50,
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{{SPV_OPERAND_TYPE_ID, {13}},
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{SPV_OPERAND_TYPE_ID, {48}},
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{SPV_OPERAND_TYPE_ID, {49}}}),
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MakeInstructionMessage(
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spv::Op::OpFAdd, 8, 51,
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{{SPV_OPERAND_TYPE_ID, {46}}, {SPV_OPERAND_TYPE_ID, {50}}}),
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MakeInstructionMessage(
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spv::Op::OpStore, 0, 0,
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{{SPV_OPERAND_TYPE_ID, {43}}, {SPV_OPERAND_TYPE_ID, {51}}}),
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MakeInstructionMessage(spv::Op::OpReturn, 0, 0, {}),
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MakeInstructionMessage(spv::Op::OpFunctionEnd, 0, 0, {})}));
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ASSERT_TRUE(
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transformation2.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation2, 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_transformation2 = 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 = OpTypePointer Function %6
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%8 = OpTypeFloat 32
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%9 = OpTypePointer Function %8
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%10 = OpTypeFunction %8 %7 %9
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%18 = OpConstant %8 0
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%20 = OpConstant %6 0
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%28 = OpTypeBool
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%37 = OpConstant %6 1
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%42 = OpTypePointer Private %8
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%43 = OpVariable %42 Private
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%47 = OpConstant %8 1
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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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%13 = OpFunction %8 None %10
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%11 = OpFunctionParameter %7
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%12 = OpFunctionParameter %9
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%14 = OpLabel
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%17 = OpVariable %9 Function
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%19 = OpVariable %7 Function
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OpStore %17 %18
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OpStore %19 %20
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OpBranch %21
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%21 = OpLabel
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OpLoopMerge %23 %24 None
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OpBranch %25
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%25 = OpLabel
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%26 = OpLoad %6 %19
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%27 = OpLoad %6 %11
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%29 = OpSLessThan %28 %26 %27
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OpBranchConditional %29 %22 %23
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%22 = OpLabel
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%30 = OpLoad %8 %12
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%31 = OpLoad %6 %19
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%32 = OpConvertSToF %8 %31
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%33 = OpFMul %8 %30 %32
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%34 = OpLoad %8 %17
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%35 = OpFAdd %8 %34 %33
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OpStore %17 %35
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OpBranch %24
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%24 = OpLabel
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%36 = OpLoad %6 %19
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%38 = OpIAdd %6 %36 %37
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OpStore %19 %38
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OpBranch %21
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%23 = OpLabel
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%39 = OpLoad %8 %17
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OpReturnValue %39
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OpFunctionEnd
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%15 = OpFunction %2 None %3
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%16 = OpLabel
|
|
%44 = OpVariable %7 Function
|
|
%45 = OpVariable %9 Function
|
|
%48 = OpVariable %7 Function
|
|
%49 = OpVariable %9 Function
|
|
OpStore %44 %20
|
|
OpStore %45 %18
|
|
%46 = OpFunctionCall %8 %13 %44 %45
|
|
OpStore %48 %37
|
|
OpStore %49 %47
|
|
%50 = OpFunctionCall %8 %13 %48 %49
|
|
%51 = OpFAdd %8 %46 %50
|
|
OpStore %43 %51
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, after_transformation2, context.get()));
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->BlockIsDead(16));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, InapplicableTransformations) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%8 = OpTypeFloat 32
|
|
%9 = OpTypePointer Function %8
|
|
%10 = OpTypeFunction %8 %7 %9
|
|
%18 = OpConstant %8 0
|
|
%20 = OpConstant %6 0
|
|
%28 = OpTypeBool
|
|
%37 = OpConstant %6 1
|
|
%42 = OpTypePointer Private %8
|
|
%43 = OpVariable %42 Private
|
|
%47 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%13 = OpFunction %8 None %10
|
|
%11 = OpFunctionParameter %7
|
|
%12 = OpFunctionParameter %9
|
|
%14 = OpLabel
|
|
%17 = OpVariable %9 Function
|
|
%19 = OpVariable %7 Function
|
|
OpStore %17 %18
|
|
OpStore %19 %20
|
|
OpBranch %21
|
|
%21 = OpLabel
|
|
OpLoopMerge %23 %24 None
|
|
OpBranch %25
|
|
%25 = OpLabel
|
|
%26 = OpLoad %6 %19
|
|
%27 = OpLoad %6 %11
|
|
%29 = OpSLessThan %28 %26 %27
|
|
OpBranchConditional %29 %22 %23
|
|
%22 = OpLabel
|
|
%30 = OpLoad %8 %12
|
|
%31 = OpLoad %6 %19
|
|
%32 = OpConvertSToF %8 %31
|
|
%33 = OpFMul %8 %30 %32
|
|
%34 = OpLoad %8 %17
|
|
%35 = OpFAdd %8 %34 %33
|
|
OpStore %17 %35
|
|
OpBranch %24
|
|
%24 = OpLabel
|
|
%36 = OpLoad %6 %19
|
|
%38 = OpIAdd %6 %36 %37
|
|
OpStore %19 %38
|
|
OpBranch %21
|
|
%23 = OpLabel
|
|
%39 = OpLoad %8 %17
|
|
OpReturnValue %39
|
|
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);
|
|
// No instructions
|
|
ASSERT_FALSE(
|
|
TransformationAddFunction(std::vector<protobufs::Instruction>({}))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// No function begin
|
|
ASSERT_FALSE(
|
|
TransformationAddFunction(
|
|
std::vector<protobufs::Instruction>(
|
|
{MakeInstructionMessage(spv::Op::OpFunctionParameter, 7, 11, {}),
|
|
MakeInstructionMessage(spv::Op::OpFunctionParameter, 9, 12, {}),
|
|
MakeInstructionMessage(spv::Op::OpLabel, 0, 14, {})}))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// No OpLabel
|
|
ASSERT_FALSE(
|
|
TransformationAddFunction(
|
|
std::vector<protobufs::Instruction>(
|
|
{MakeInstructionMessage(
|
|
spv::Op::OpFunction, 8, 13,
|
|
{{SPV_OPERAND_TYPE_FUNCTION_CONTROL,
|
|
{uint32_t(spv::FunctionControlMask::MaskNone)}},
|
|
{SPV_OPERAND_TYPE_ID, {10}}}),
|
|
MakeInstructionMessage(spv::Op::OpReturnValue, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {39}}}),
|
|
MakeInstructionMessage(spv::Op::OpFunctionEnd, 0, 0, {})}))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Abrupt end of instructions
|
|
ASSERT_FALSE(TransformationAddFunction(
|
|
std::vector<protobufs::Instruction>({MakeInstructionMessage(
|
|
spv::Op::OpFunction, 8, 13,
|
|
{{SPV_OPERAND_TYPE_FUNCTION_CONTROL,
|
|
{uint32_t(spv::FunctionControlMask::MaskNone)}},
|
|
{SPV_OPERAND_TYPE_ID, {10}}})}))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// No function end
|
|
ASSERT_FALSE(TransformationAddFunction(
|
|
std::vector<protobufs::Instruction>(
|
|
{MakeInstructionMessage(
|
|
spv::Op::OpFunction, 8, 13,
|
|
{{SPV_OPERAND_TYPE_FUNCTION_CONTROL,
|
|
{uint32_t(spv::FunctionControlMask::MaskNone)}},
|
|
{SPV_OPERAND_TYPE_ID, {10}}}),
|
|
MakeInstructionMessage(spv::Op::OpLabel, 0, 14, {}),
|
|
MakeInstructionMessage(spv::Op::OpReturnValue, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {39}}})}))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, LoopLimiters) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 0
|
|
%7 = OpTypePointer Function %6
|
|
%8 = OpConstant %6 0
|
|
%9 = OpConstant %6 1
|
|
%10 = OpConstant %6 5
|
|
%11 = OpTypeBool
|
|
%12 = OpConstantTrue %11
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
const auto consumer = nullptr;
|
|
|
|
std::vector<protobufs::Instruction> instructions;
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunction, 2, 30,
|
|
{{SPV_OPERAND_TYPE_FUNCTION_CONTROL,
|
|
{uint32_t(spv::FunctionControlMask::MaskNone)}},
|
|
{SPV_OPERAND_TYPE_TYPE_ID, {3}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 31, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpBranch, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {20}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 20, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpLoopMerge, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {21}},
|
|
{SPV_OPERAND_TYPE_ID, {22}},
|
|
{SPV_OPERAND_TYPE_LOOP_CONTROL,
|
|
{uint32_t(spv::LoopControlMask::MaskNone)}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpBranchConditional, 0,
|
|
0,
|
|
{{SPV_OPERAND_TYPE_ID, {12}},
|
|
{SPV_OPERAND_TYPE_ID, {23}},
|
|
{SPV_OPERAND_TYPE_ID, {21}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 23, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpLoopMerge, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {25}},
|
|
{SPV_OPERAND_TYPE_ID, {26}},
|
|
{SPV_OPERAND_TYPE_LOOP_CONTROL,
|
|
{uint32_t(spv::LoopControlMask::MaskNone)}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpBranch, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {28}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 28, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpBranchConditional, 0,
|
|
0,
|
|
{{SPV_OPERAND_TYPE_ID, {12}},
|
|
{SPV_OPERAND_TYPE_ID, {26}},
|
|
{SPV_OPERAND_TYPE_ID, {25}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 26, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpBranch, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {23}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 25, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpLoopMerge, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {24}},
|
|
{SPV_OPERAND_TYPE_ID, {27}},
|
|
{SPV_OPERAND_TYPE_LOOP_CONTROL,
|
|
{uint32_t(spv::LoopControlMask::MaskNone)}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpBranchConditional, 0,
|
|
0,
|
|
{{SPV_OPERAND_TYPE_ID, {12}},
|
|
{SPV_OPERAND_TYPE_ID, {24}},
|
|
{SPV_OPERAND_TYPE_ID, {27}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 27, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpBranch, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {25}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 24, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpBranch, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {22}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 22, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpBranch, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {20}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 21, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpReturn, 0, 0, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunctionEnd, 0, 0, {}));
|
|
|
|
spvtools::ValidatorOptions validator_options;
|
|
|
|
const auto context1 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
const auto context2 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
|
|
TransformationContext transformation_context1(
|
|
MakeUnique<FactManager>(context1.get()), validator_options);
|
|
TransformationContext transformation_context2(
|
|
MakeUnique<FactManager>(context2.get()), validator_options);
|
|
|
|
TransformationAddFunction add_dead_function(instructions);
|
|
ASSERT_TRUE(
|
|
add_dead_function.IsApplicable(context1.get(), transformation_context1));
|
|
ApplyAndCheckFreshIds(add_dead_function, context1.get(),
|
|
&transformation_context1);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
// The added function should not be deemed livesafe.
|
|
ASSERT_FALSE(
|
|
transformation_context1.GetFactManager()->FunctionIsLivesafe(30));
|
|
// All variables/parameters in the function should be deemed irrelevant.
|
|
ASSERT_TRUE(AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
|
|
context1.get(), transformation_context1, 30, 0));
|
|
|
|
std::string added_as_dead_code = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 0
|
|
%7 = OpTypePointer Function %6
|
|
%8 = OpConstant %6 0
|
|
%9 = OpConstant %6 1
|
|
%10 = OpConstant %6 5
|
|
%11 = OpTypeBool
|
|
%12 = OpConstantTrue %11
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%30 = OpFunction %2 None %3
|
|
%31 = OpLabel
|
|
OpBranch %20
|
|
%20 = OpLabel
|
|
OpLoopMerge %21 %22 None
|
|
OpBranchConditional %12 %23 %21
|
|
%23 = OpLabel
|
|
OpLoopMerge %25 %26 None
|
|
OpBranch %28
|
|
%28 = OpLabel
|
|
OpBranchConditional %12 %26 %25
|
|
%26 = OpLabel
|
|
OpBranch %23
|
|
%25 = OpLabel
|
|
OpLoopMerge %24 %27 None
|
|
OpBranchConditional %12 %24 %27
|
|
%27 = OpLabel
|
|
OpBranch %25
|
|
%24 = OpLabel
|
|
OpBranch %22
|
|
%22 = OpLabel
|
|
OpBranch %20
|
|
%21 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, added_as_dead_code, context1.get()));
|
|
|
|
protobufs::LoopLimiterInfo loop_limiter1;
|
|
loop_limiter1.set_loop_header_id(20);
|
|
loop_limiter1.set_load_id(101);
|
|
loop_limiter1.set_increment_id(102);
|
|
loop_limiter1.set_compare_id(103);
|
|
loop_limiter1.set_logical_op_id(104);
|
|
|
|
protobufs::LoopLimiterInfo loop_limiter2;
|
|
loop_limiter2.set_loop_header_id(23);
|
|
loop_limiter2.set_load_id(105);
|
|
loop_limiter2.set_increment_id(106);
|
|
loop_limiter2.set_compare_id(107);
|
|
loop_limiter2.set_logical_op_id(108);
|
|
|
|
protobufs::LoopLimiterInfo loop_limiter3;
|
|
loop_limiter3.set_loop_header_id(25);
|
|
loop_limiter3.set_load_id(109);
|
|
loop_limiter3.set_increment_id(110);
|
|
loop_limiter3.set_compare_id(111);
|
|
loop_limiter3.set_logical_op_id(112);
|
|
|
|
std::vector<protobufs::LoopLimiterInfo> loop_limiters = {
|
|
loop_limiter1, loop_limiter2, loop_limiter3};
|
|
|
|
TransformationAddFunction add_livesafe_function(instructions, 100, 10,
|
|
loop_limiters, 0, {});
|
|
ASSERT_TRUE(add_livesafe_function.IsApplicable(context2.get(),
|
|
transformation_context2));
|
|
ApplyAndCheckFreshIds(add_livesafe_function, context2.get(),
|
|
&transformation_context2);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context2.get(), validator_options, kConsoleMessageConsumer));
|
|
// The added function should indeed be deemed livesafe.
|
|
ASSERT_TRUE(transformation_context2.GetFactManager()->FunctionIsLivesafe(30));
|
|
// All variables/parameters in the function should be deemed irrelevant,
|
|
// except the loop limiter.
|
|
ASSERT_TRUE(AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
|
|
context2.get(), transformation_context2, 30, 100));
|
|
std::string added_as_livesafe_code = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 0
|
|
%7 = OpTypePointer Function %6
|
|
%8 = OpConstant %6 0
|
|
%9 = OpConstant %6 1
|
|
%10 = OpConstant %6 5
|
|
%11 = OpTypeBool
|
|
%12 = OpConstantTrue %11
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%30 = OpFunction %2 None %3
|
|
%31 = OpLabel
|
|
%100 = OpVariable %7 Function %8
|
|
OpBranch %20
|
|
%20 = OpLabel
|
|
OpLoopMerge %21 %22 None
|
|
OpBranchConditional %12 %23 %21
|
|
%23 = OpLabel
|
|
OpLoopMerge %25 %26 None
|
|
OpBranch %28
|
|
%28 = OpLabel
|
|
OpBranchConditional %12 %26 %25
|
|
%26 = OpLabel
|
|
%105 = OpLoad %6 %100
|
|
%106 = OpIAdd %6 %105 %9
|
|
OpStore %100 %106
|
|
%107 = OpUGreaterThanEqual %11 %105 %10
|
|
OpBranchConditional %107 %25 %23
|
|
%25 = OpLabel
|
|
OpLoopMerge %24 %27 None
|
|
OpBranchConditional %12 %24 %27
|
|
%27 = OpLabel
|
|
%109 = OpLoad %6 %100
|
|
%110 = OpIAdd %6 %109 %9
|
|
OpStore %100 %110
|
|
%111 = OpUGreaterThanEqual %11 %109 %10
|
|
OpBranchConditional %111 %24 %25
|
|
%24 = OpLabel
|
|
OpBranch %22
|
|
%22 = OpLabel
|
|
%101 = OpLoad %6 %100
|
|
%102 = OpIAdd %6 %101 %9
|
|
OpStore %100 %102
|
|
%103 = OpUGreaterThanEqual %11 %101 %10
|
|
OpBranchConditional %103 %21 %20
|
|
%21 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, added_as_livesafe_code, context2.get()));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, KillAndUnreachableInVoidFunction) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%8 = OpTypeFunction %2 %7
|
|
%13 = OpConstant %6 2
|
|
%14 = OpTypeBool
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
const auto consumer = nullptr;
|
|
|
|
std::vector<protobufs::Instruction> instructions;
|
|
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunction, 2, 10,
|
|
{{SPV_OPERAND_TYPE_FUNCTION_CONTROL,
|
|
{uint32_t(spv::FunctionControlMask::MaskNone)}},
|
|
{SPV_OPERAND_TYPE_TYPE_ID, {8}}}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunctionParameter, 7, 9, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 11, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 12,
|
|
{{SPV_OPERAND_TYPE_ID, {9}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpIEqual, 14, 15,
|
|
{{SPV_OPERAND_TYPE_ID, {12}}, {SPV_OPERAND_TYPE_ID, {13}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpSelectionMerge, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {17}},
|
|
{SPV_OPERAND_TYPE_SELECTION_CONTROL,
|
|
{uint32_t(spv::SelectionControlMask::MaskNone)}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpBranchConditional, 0,
|
|
0,
|
|
{{SPV_OPERAND_TYPE_ID, {15}},
|
|
{SPV_OPERAND_TYPE_ID, {16}},
|
|
{SPV_OPERAND_TYPE_ID, {17}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 16, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpUnreachable, 0, 0, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 17, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpKill, 0, 0, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunctionEnd, 0, 0, {}));
|
|
|
|
spvtools::ValidatorOptions validator_options;
|
|
|
|
const auto context1 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
const auto context2 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
|
|
TransformationContext transformation_context1(
|
|
MakeUnique<FactManager>(context1.get()), validator_options);
|
|
TransformationContext transformation_context2(
|
|
MakeUnique<FactManager>(context2.get()), validator_options);
|
|
|
|
TransformationAddFunction add_dead_function(instructions);
|
|
ASSERT_TRUE(
|
|
add_dead_function.IsApplicable(context1.get(), transformation_context1));
|
|
ApplyAndCheckFreshIds(add_dead_function, context1.get(),
|
|
&transformation_context1);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
// The added function should not be deemed livesafe.
|
|
ASSERT_FALSE(
|
|
transformation_context1.GetFactManager()->FunctionIsLivesafe(10));
|
|
// All variables/parameters in the function should be deemed irrelevant.
|
|
ASSERT_TRUE(AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
|
|
context1.get(), transformation_context1, 10, 0));
|
|
|
|
std::string added_as_dead_code = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%8 = OpTypeFunction %2 %7
|
|
%13 = OpConstant %6 2
|
|
%14 = OpTypeBool
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%10 = OpFunction %2 None %8
|
|
%9 = OpFunctionParameter %7
|
|
%11 = OpLabel
|
|
%12 = OpLoad %6 %9
|
|
%15 = OpIEqual %14 %12 %13
|
|
OpSelectionMerge %17 None
|
|
OpBranchConditional %15 %16 %17
|
|
%16 = OpLabel
|
|
OpUnreachable
|
|
%17 = OpLabel
|
|
OpKill
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, added_as_dead_code, context1.get()));
|
|
|
|
TransformationAddFunction add_livesafe_function(instructions, 0, 0, {}, 0,
|
|
{});
|
|
ASSERT_TRUE(add_livesafe_function.IsApplicable(context2.get(),
|
|
transformation_context2));
|
|
ApplyAndCheckFreshIds(add_livesafe_function, context2.get(),
|
|
&transformation_context2);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context2.get(), validator_options, kConsoleMessageConsumer));
|
|
// The added function should indeed be deemed livesafe.
|
|
ASSERT_TRUE(transformation_context2.GetFactManager()->FunctionIsLivesafe(10));
|
|
// All variables/parameters in the function should be deemed irrelevant.
|
|
ASSERT_TRUE(AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
|
|
context2.get(), transformation_context2, 10, 0));
|
|
std::string added_as_livesafe_code = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%8 = OpTypeFunction %2 %7
|
|
%13 = OpConstant %6 2
|
|
%14 = OpTypeBool
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%10 = OpFunction %2 None %8
|
|
%9 = OpFunctionParameter %7
|
|
%11 = OpLabel
|
|
%12 = OpLoad %6 %9
|
|
%15 = OpIEqual %14 %12 %13
|
|
OpSelectionMerge %17 None
|
|
OpBranchConditional %15 %16 %17
|
|
%16 = OpLabel
|
|
OpReturn
|
|
%17 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, added_as_livesafe_code, context2.get()));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, KillAndUnreachableInNonVoidFunction) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%8 = OpTypeFunction %2 %7
|
|
%50 = OpTypeFunction %6 %7
|
|
%13 = OpConstant %6 2
|
|
%14 = OpTypeBool
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
const auto consumer = nullptr;
|
|
|
|
std::vector<protobufs::Instruction> instructions;
|
|
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunction, 6, 10,
|
|
{{SPV_OPERAND_TYPE_FUNCTION_CONTROL,
|
|
{uint32_t(spv::FunctionControlMask::MaskNone)}},
|
|
{SPV_OPERAND_TYPE_TYPE_ID, {50}}}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunctionParameter, 7, 9, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 11, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 12,
|
|
{{SPV_OPERAND_TYPE_ID, {9}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpIEqual, 14, 15,
|
|
{{SPV_OPERAND_TYPE_ID, {12}}, {SPV_OPERAND_TYPE_ID, {13}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpSelectionMerge, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {17}},
|
|
{SPV_OPERAND_TYPE_SELECTION_CONTROL,
|
|
{uint32_t(spv::SelectionControlMask::MaskNone)}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpBranchConditional, 0,
|
|
0,
|
|
{{SPV_OPERAND_TYPE_ID, {15}},
|
|
{SPV_OPERAND_TYPE_ID, {16}},
|
|
{SPV_OPERAND_TYPE_ID, {17}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 16, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpUnreachable, 0, 0, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 17, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpKill, 0, 0, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunctionEnd, 0, 0, {}));
|
|
|
|
spvtools::ValidatorOptions validator_options;
|
|
|
|
const auto context1 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
const auto context2 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
|
|
TransformationContext transformation_context1(
|
|
MakeUnique<FactManager>(context1.get()), validator_options);
|
|
TransformationContext transformation_context2(
|
|
MakeUnique<FactManager>(context2.get()), validator_options);
|
|
|
|
TransformationAddFunction add_dead_function(instructions);
|
|
ASSERT_TRUE(
|
|
add_dead_function.IsApplicable(context1.get(), transformation_context1));
|
|
ApplyAndCheckFreshIds(add_dead_function, context1.get(),
|
|
&transformation_context1);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
// The added function should not be deemed livesafe.
|
|
ASSERT_FALSE(
|
|
transformation_context1.GetFactManager()->FunctionIsLivesafe(10));
|
|
// All variables/parameters in the function should be deemed irrelevant.
|
|
ASSERT_TRUE(AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
|
|
context1.get(), transformation_context1, 10, 0));
|
|
|
|
std::string added_as_dead_code = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%8 = OpTypeFunction %2 %7
|
|
%50 = OpTypeFunction %6 %7
|
|
%13 = OpConstant %6 2
|
|
%14 = OpTypeBool
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%10 = OpFunction %6 None %50
|
|
%9 = OpFunctionParameter %7
|
|
%11 = OpLabel
|
|
%12 = OpLoad %6 %9
|
|
%15 = OpIEqual %14 %12 %13
|
|
OpSelectionMerge %17 None
|
|
OpBranchConditional %15 %16 %17
|
|
%16 = OpLabel
|
|
OpUnreachable
|
|
%17 = OpLabel
|
|
OpKill
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, added_as_dead_code, context1.get()));
|
|
|
|
TransformationAddFunction add_livesafe_function(instructions, 0, 0, {}, 13,
|
|
{});
|
|
ASSERT_TRUE(add_livesafe_function.IsApplicable(context2.get(),
|
|
transformation_context2));
|
|
ApplyAndCheckFreshIds(add_livesafe_function, context2.get(),
|
|
&transformation_context2);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context2.get(), validator_options, kConsoleMessageConsumer));
|
|
// The added function should indeed be deemed livesafe.
|
|
ASSERT_TRUE(transformation_context2.GetFactManager()->FunctionIsLivesafe(10));
|
|
// All variables/parameters in the function should be deemed irrelevant.
|
|
ASSERT_TRUE(AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
|
|
context2.get(), transformation_context2, 10, 0));
|
|
std::string added_as_livesafe_code = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%8 = OpTypeFunction %2 %7
|
|
%50 = OpTypeFunction %6 %7
|
|
%13 = OpConstant %6 2
|
|
%14 = OpTypeBool
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%10 = OpFunction %6 None %50
|
|
%9 = OpFunctionParameter %7
|
|
%11 = OpLabel
|
|
%12 = OpLoad %6 %9
|
|
%15 = OpIEqual %14 %12 %13
|
|
OpSelectionMerge %17 None
|
|
OpBranchConditional %15 %16 %17
|
|
%16 = OpLabel
|
|
OpReturnValue %13
|
|
%17 = OpLabel
|
|
OpReturnValue %13
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, added_as_livesafe_code, context2.get()));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, ClampedAccessChains) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%100 = OpTypeBool
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%15 = OpTypeInt 32 0
|
|
%102 = OpTypePointer Function %15
|
|
%8 = OpTypeFunction %2 %7 %102 %7
|
|
%16 = OpConstant %15 5
|
|
%17 = OpTypeArray %6 %16
|
|
%18 = OpTypeArray %17 %16
|
|
%19 = OpTypePointer Private %18
|
|
%20 = OpVariable %19 Private
|
|
%21 = OpConstant %6 0
|
|
%23 = OpTypePointer Private %6
|
|
%26 = OpTypePointer Function %17
|
|
%29 = OpTypePointer Private %17
|
|
%33 = OpConstant %6 4
|
|
%200 = OpConstant %15 4
|
|
%35 = OpConstant %15 10
|
|
%36 = OpTypeArray %6 %35
|
|
%37 = OpTypePointer Private %36
|
|
%38 = OpVariable %37 Private
|
|
%54 = OpTypeFloat 32
|
|
%55 = OpTypeVector %54 4
|
|
%56 = OpTypePointer Private %55
|
|
%57 = OpVariable %56 Private
|
|
%59 = OpTypeVector %54 3
|
|
%60 = OpTypeMatrix %59 2
|
|
%61 = OpTypePointer Private %60
|
|
%62 = OpVariable %61 Private
|
|
%64 = OpTypePointer Private %54
|
|
%69 = OpConstant %54 2
|
|
%71 = OpConstant %6 1
|
|
%72 = OpConstant %6 2
|
|
%201 = OpConstant %15 2
|
|
%73 = OpConstant %6 3
|
|
%202 = OpConstant %15 3
|
|
%203 = OpConstant %6 1
|
|
%204 = OpConstant %6 9
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
const auto consumer = nullptr;
|
|
|
|
std::vector<protobufs::Instruction> instructions;
|
|
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunction, 2, 12,
|
|
{{SPV_OPERAND_TYPE_FUNCTION_CONTROL,
|
|
{uint32_t(spv::FunctionControlMask::MaskNone)}},
|
|
{SPV_OPERAND_TYPE_TYPE_ID, {8}}}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunctionParameter, 7, 9, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunctionParameter, 102, 10, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunctionParameter, 7, 11, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 13, {}));
|
|
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpVariable, 7, 14,
|
|
{{SPV_OPERAND_TYPE_STORAGE_CLASS,
|
|
{uint32_t(spv::StorageClass::Function)}}}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpVariable, 26, 27,
|
|
{{SPV_OPERAND_TYPE_STORAGE_CLASS,
|
|
{uint32_t(spv::StorageClass::Function)}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 22,
|
|
{{SPV_OPERAND_TYPE_ID, {11}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpAccessChain, 23, 24,
|
|
{{SPV_OPERAND_TYPE_ID, {20}},
|
|
{SPV_OPERAND_TYPE_ID, {21}},
|
|
{SPV_OPERAND_TYPE_ID, {22}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 25,
|
|
{{SPV_OPERAND_TYPE_ID, {24}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpStore, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {14}}, {SPV_OPERAND_TYPE_ID, {25}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 15, 28,
|
|
{{SPV_OPERAND_TYPE_ID, {10}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpAccessChain, 29, 30,
|
|
{{SPV_OPERAND_TYPE_ID, {20}}, {SPV_OPERAND_TYPE_ID, {28}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 17, 31,
|
|
{{SPV_OPERAND_TYPE_ID, {30}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpStore, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {27}}, {SPV_OPERAND_TYPE_ID, {31}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 32,
|
|
{{SPV_OPERAND_TYPE_ID, {9}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpInBoundsAccessChain, 7, 34,
|
|
{{SPV_OPERAND_TYPE_ID, {27}}, {SPV_OPERAND_TYPE_ID, {32}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpStore, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {34}}, {SPV_OPERAND_TYPE_ID, {33}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 39,
|
|
{{SPV_OPERAND_TYPE_ID, {9}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpAccessChain, 23, 40,
|
|
{{SPV_OPERAND_TYPE_ID, {38}}, {SPV_OPERAND_TYPE_ID, {33}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 41,
|
|
{{SPV_OPERAND_TYPE_ID, {40}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpInBoundsAccessChain, 23, 42,
|
|
{{SPV_OPERAND_TYPE_ID, {38}}, {SPV_OPERAND_TYPE_ID, {39}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpStore, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {42}}, {SPV_OPERAND_TYPE_ID, {41}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 15, 43,
|
|
{{SPV_OPERAND_TYPE_ID, {10}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 44,
|
|
{{SPV_OPERAND_TYPE_ID, {11}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 45,
|
|
{{SPV_OPERAND_TYPE_ID, {9}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 15, 46,
|
|
{{SPV_OPERAND_TYPE_ID, {10}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpIAdd, 6, 47,
|
|
{{SPV_OPERAND_TYPE_ID, {45}}, {SPV_OPERAND_TYPE_ID, {46}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpAccessChain, 23, 48,
|
|
{{SPV_OPERAND_TYPE_ID, {38}}, {SPV_OPERAND_TYPE_ID, {47}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 49,
|
|
{{SPV_OPERAND_TYPE_ID, {48}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpInBoundsAccessChain,
|
|
23, 50,
|
|
{{SPV_OPERAND_TYPE_ID, {20}},
|
|
{SPV_OPERAND_TYPE_ID, {43}},
|
|
{SPV_OPERAND_TYPE_ID, {44}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 51,
|
|
{{SPV_OPERAND_TYPE_ID, {50}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpIAdd, 6, 52,
|
|
{{SPV_OPERAND_TYPE_ID, {51}}, {SPV_OPERAND_TYPE_ID, {49}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpAccessChain, 23, 53,
|
|
{{SPV_OPERAND_TYPE_ID, {20}},
|
|
{SPV_OPERAND_TYPE_ID, {43}},
|
|
{SPV_OPERAND_TYPE_ID, {44}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpStore, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {53}}, {SPV_OPERAND_TYPE_ID, {52}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 15, 58,
|
|
{{SPV_OPERAND_TYPE_ID, {10}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 63,
|
|
{{SPV_OPERAND_TYPE_ID, {11}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpAccessChain, 64, 65,
|
|
{{SPV_OPERAND_TYPE_ID, {62}},
|
|
{SPV_OPERAND_TYPE_ID, {21}},
|
|
{SPV_OPERAND_TYPE_ID, {63}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpAccessChain, 64, 101,
|
|
{{SPV_OPERAND_TYPE_ID, {62}},
|
|
{SPV_OPERAND_TYPE_ID, {45}},
|
|
{SPV_OPERAND_TYPE_ID, {46}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 54, 66,
|
|
{{SPV_OPERAND_TYPE_ID, {65}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpAccessChain, 64, 67,
|
|
{{SPV_OPERAND_TYPE_ID, {57}}, {SPV_OPERAND_TYPE_ID, {58}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpStore, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {67}}, {SPV_OPERAND_TYPE_ID, {66}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLoad, 6, 68,
|
|
{{SPV_OPERAND_TYPE_ID, {9}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpInBoundsAccessChain, 64, 70,
|
|
{{SPV_OPERAND_TYPE_ID, {57}}, {SPV_OPERAND_TYPE_ID, {68}}}));
|
|
instructions.push_back(MakeInstructionMessage(
|
|
spv::Op::OpStore, 0, 0,
|
|
{{SPV_OPERAND_TYPE_ID, {70}}, {SPV_OPERAND_TYPE_ID, {69}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpReturn, 0, 0, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunctionEnd, 0, 0, {}));
|
|
|
|
spvtools::ValidatorOptions validator_options;
|
|
|
|
const auto context1 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
const auto context2 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
|
|
TransformationContext transformation_context1(
|
|
MakeUnique<FactManager>(context1.get()), validator_options);
|
|
TransformationContext transformation_context2(
|
|
MakeUnique<FactManager>(context2.get()), validator_options);
|
|
|
|
TransformationAddFunction add_dead_function(instructions);
|
|
ASSERT_TRUE(
|
|
add_dead_function.IsApplicable(context1.get(), transformation_context1));
|
|
ApplyAndCheckFreshIds(add_dead_function, context1.get(),
|
|
&transformation_context1);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
// The function should not be deemed livesafe
|
|
ASSERT_FALSE(
|
|
transformation_context1.GetFactManager()->FunctionIsLivesafe(12));
|
|
// All variables/parameters in the function should be deemed irrelevant.
|
|
ASSERT_TRUE(AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
|
|
context1.get(), transformation_context1, 12, 0));
|
|
|
|
std::string added_as_dead_code = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%100 = OpTypeBool
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%15 = OpTypeInt 32 0
|
|
%102 = OpTypePointer Function %15
|
|
%8 = OpTypeFunction %2 %7 %102 %7
|
|
%16 = OpConstant %15 5
|
|
%17 = OpTypeArray %6 %16
|
|
%18 = OpTypeArray %17 %16
|
|
%19 = OpTypePointer Private %18
|
|
%20 = OpVariable %19 Private
|
|
%21 = OpConstant %6 0
|
|
%23 = OpTypePointer Private %6
|
|
%26 = OpTypePointer Function %17
|
|
%29 = OpTypePointer Private %17
|
|
%33 = OpConstant %6 4
|
|
%200 = OpConstant %15 4
|
|
%35 = OpConstant %15 10
|
|
%36 = OpTypeArray %6 %35
|
|
%37 = OpTypePointer Private %36
|
|
%38 = OpVariable %37 Private
|
|
%54 = OpTypeFloat 32
|
|
%55 = OpTypeVector %54 4
|
|
%56 = OpTypePointer Private %55
|
|
%57 = OpVariable %56 Private
|
|
%59 = OpTypeVector %54 3
|
|
%60 = OpTypeMatrix %59 2
|
|
%61 = OpTypePointer Private %60
|
|
%62 = OpVariable %61 Private
|
|
%64 = OpTypePointer Private %54
|
|
%69 = OpConstant %54 2
|
|
%71 = OpConstant %6 1
|
|
%72 = OpConstant %6 2
|
|
%201 = OpConstant %15 2
|
|
%73 = OpConstant %6 3
|
|
%202 = OpConstant %15 3
|
|
%203 = OpConstant %6 1
|
|
%204 = OpConstant %6 9
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%12 = OpFunction %2 None %8
|
|
%9 = OpFunctionParameter %7
|
|
%10 = OpFunctionParameter %102
|
|
%11 = OpFunctionParameter %7
|
|
%13 = OpLabel
|
|
%14 = OpVariable %7 Function
|
|
%27 = OpVariable %26 Function
|
|
%22 = OpLoad %6 %11
|
|
%24 = OpAccessChain %23 %20 %21 %22
|
|
%25 = OpLoad %6 %24
|
|
OpStore %14 %25
|
|
%28 = OpLoad %15 %10
|
|
%30 = OpAccessChain %29 %20 %28
|
|
%31 = OpLoad %17 %30
|
|
OpStore %27 %31
|
|
%32 = OpLoad %6 %9
|
|
%34 = OpInBoundsAccessChain %7 %27 %32
|
|
OpStore %34 %33
|
|
%39 = OpLoad %6 %9
|
|
%40 = OpAccessChain %23 %38 %33
|
|
%41 = OpLoad %6 %40
|
|
%42 = OpInBoundsAccessChain %23 %38 %39
|
|
OpStore %42 %41
|
|
%43 = OpLoad %15 %10
|
|
%44 = OpLoad %6 %11
|
|
%45 = OpLoad %6 %9
|
|
%46 = OpLoad %15 %10
|
|
%47 = OpIAdd %6 %45 %46
|
|
%48 = OpAccessChain %23 %38 %47
|
|
%49 = OpLoad %6 %48
|
|
%50 = OpInBoundsAccessChain %23 %20 %43 %44
|
|
%51 = OpLoad %6 %50
|
|
%52 = OpIAdd %6 %51 %49
|
|
%53 = OpAccessChain %23 %20 %43 %44
|
|
OpStore %53 %52
|
|
%58 = OpLoad %15 %10
|
|
%63 = OpLoad %6 %11
|
|
%65 = OpAccessChain %64 %62 %21 %63
|
|
%101 = OpAccessChain %64 %62 %45 %46
|
|
%66 = OpLoad %54 %65
|
|
%67 = OpAccessChain %64 %57 %58
|
|
OpStore %67 %66
|
|
%68 = OpLoad %6 %9
|
|
%70 = OpInBoundsAccessChain %64 %57 %68
|
|
OpStore %70 %69
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, added_as_dead_code, context1.get()));
|
|
|
|
std::vector<protobufs::AccessChainClampingInfo> access_chain_clamping_info;
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(24, {{1001, 2001}, {1002, 2002}}));
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(30, {{1003, 2003}}));
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(34, {{1004, 2004}}));
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(40, {{1005, 2005}}));
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(42, {{1006, 2006}}));
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(48, {{1007, 2007}}));
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(50, {{1008, 2008}, {1009, 2009}}));
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(53, {{1010, 2010}, {1011, 2011}}));
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(65, {{1012, 2012}, {1013, 2013}}));
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(101, {{1014, 2014}, {1015, 2015}}));
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(67, {{1016, 2016}}));
|
|
access_chain_clamping_info.push_back(
|
|
MakeAccessClampingInfo(70, {{1017, 2017}}));
|
|
|
|
TransformationAddFunction add_livesafe_function(instructions, 0, 0, {}, 13,
|
|
access_chain_clamping_info);
|
|
ASSERT_TRUE(add_livesafe_function.IsApplicable(context2.get(),
|
|
transformation_context2));
|
|
ApplyAndCheckFreshIds(add_livesafe_function, context2.get(),
|
|
&transformation_context2);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context2.get(), validator_options, kConsoleMessageConsumer));
|
|
// The function should be deemed livesafe
|
|
ASSERT_TRUE(transformation_context2.GetFactManager()->FunctionIsLivesafe(12));
|
|
// All variables/parameters in the function should be deemed irrelevant.
|
|
ASSERT_TRUE(AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
|
|
context2.get(), transformation_context2, 12, 0));
|
|
std::string added_as_livesafe_code = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%100 = OpTypeBool
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%15 = OpTypeInt 32 0
|
|
%102 = OpTypePointer Function %15
|
|
%8 = OpTypeFunction %2 %7 %102 %7
|
|
%16 = OpConstant %15 5
|
|
%17 = OpTypeArray %6 %16
|
|
%18 = OpTypeArray %17 %16
|
|
%19 = OpTypePointer Private %18
|
|
%20 = OpVariable %19 Private
|
|
%21 = OpConstant %6 0
|
|
%23 = OpTypePointer Private %6
|
|
%26 = OpTypePointer Function %17
|
|
%29 = OpTypePointer Private %17
|
|
%33 = OpConstant %6 4
|
|
%200 = OpConstant %15 4
|
|
%35 = OpConstant %15 10
|
|
%36 = OpTypeArray %6 %35
|
|
%37 = OpTypePointer Private %36
|
|
%38 = OpVariable %37 Private
|
|
%54 = OpTypeFloat 32
|
|
%55 = OpTypeVector %54 4
|
|
%56 = OpTypePointer Private %55
|
|
%57 = OpVariable %56 Private
|
|
%59 = OpTypeVector %54 3
|
|
%60 = OpTypeMatrix %59 2
|
|
%61 = OpTypePointer Private %60
|
|
%62 = OpVariable %61 Private
|
|
%64 = OpTypePointer Private %54
|
|
%69 = OpConstant %54 2
|
|
%71 = OpConstant %6 1
|
|
%72 = OpConstant %6 2
|
|
%201 = OpConstant %15 2
|
|
%73 = OpConstant %6 3
|
|
%202 = OpConstant %15 3
|
|
%203 = OpConstant %6 1
|
|
%204 = OpConstant %6 9
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%12 = OpFunction %2 None %8
|
|
%9 = OpFunctionParameter %7
|
|
%10 = OpFunctionParameter %102
|
|
%11 = OpFunctionParameter %7
|
|
%13 = OpLabel
|
|
%14 = OpVariable %7 Function
|
|
%27 = OpVariable %26 Function
|
|
%22 = OpLoad %6 %11
|
|
%1002 = OpULessThanEqual %100 %22 %33
|
|
%2002 = OpSelect %6 %1002 %22 %33
|
|
%24 = OpAccessChain %23 %20 %21 %2002
|
|
%25 = OpLoad %6 %24
|
|
OpStore %14 %25
|
|
%28 = OpLoad %15 %10
|
|
%1003 = OpULessThanEqual %100 %28 %200
|
|
%2003 = OpSelect %15 %1003 %28 %200
|
|
%30 = OpAccessChain %29 %20 %2003
|
|
%31 = OpLoad %17 %30
|
|
OpStore %27 %31
|
|
%32 = OpLoad %6 %9
|
|
%1004 = OpULessThanEqual %100 %32 %33
|
|
%2004 = OpSelect %6 %1004 %32 %33
|
|
%34 = OpInBoundsAccessChain %7 %27 %2004
|
|
OpStore %34 %33
|
|
%39 = OpLoad %6 %9
|
|
%40 = OpAccessChain %23 %38 %33
|
|
%41 = OpLoad %6 %40
|
|
%1006 = OpULessThanEqual %100 %39 %204
|
|
%2006 = OpSelect %6 %1006 %39 %204
|
|
%42 = OpInBoundsAccessChain %23 %38 %2006
|
|
OpStore %42 %41
|
|
%43 = OpLoad %15 %10
|
|
%44 = OpLoad %6 %11
|
|
%45 = OpLoad %6 %9
|
|
%46 = OpLoad %15 %10
|
|
%47 = OpIAdd %6 %45 %46
|
|
%1007 = OpULessThanEqual %100 %47 %204
|
|
%2007 = OpSelect %6 %1007 %47 %204
|
|
%48 = OpAccessChain %23 %38 %2007
|
|
%49 = OpLoad %6 %48
|
|
%1008 = OpULessThanEqual %100 %43 %200
|
|
%2008 = OpSelect %15 %1008 %43 %200
|
|
%1009 = OpULessThanEqual %100 %44 %33
|
|
%2009 = OpSelect %6 %1009 %44 %33
|
|
%50 = OpInBoundsAccessChain %23 %20 %2008 %2009
|
|
%51 = OpLoad %6 %50
|
|
%52 = OpIAdd %6 %51 %49
|
|
%1010 = OpULessThanEqual %100 %43 %200
|
|
%2010 = OpSelect %15 %1010 %43 %200
|
|
%1011 = OpULessThanEqual %100 %44 %33
|
|
%2011 = OpSelect %6 %1011 %44 %33
|
|
%53 = OpAccessChain %23 %20 %2010 %2011
|
|
OpStore %53 %52
|
|
%58 = OpLoad %15 %10
|
|
%63 = OpLoad %6 %11
|
|
%1013 = OpULessThanEqual %100 %63 %72
|
|
%2013 = OpSelect %6 %1013 %63 %72
|
|
%65 = OpAccessChain %64 %62 %21 %2013
|
|
%1014 = OpULessThanEqual %100 %45 %71
|
|
%2014 = OpSelect %6 %1014 %45 %71
|
|
%1015 = OpULessThanEqual %100 %46 %201
|
|
%2015 = OpSelect %15 %1015 %46 %201
|
|
%101 = OpAccessChain %64 %62 %2014 %2015
|
|
%66 = OpLoad %54 %65
|
|
%1016 = OpULessThanEqual %100 %58 %202
|
|
%2016 = OpSelect %15 %1016 %58 %202
|
|
%67 = OpAccessChain %64 %57 %2016
|
|
OpStore %67 %66
|
|
%68 = OpLoad %6 %9
|
|
%1017 = OpULessThanEqual %100 %68 %73
|
|
%2017 = OpSelect %6 %1017 %68 %73
|
|
%70 = OpInBoundsAccessChain %64 %57 %2017
|
|
OpStore %70 %69
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, added_as_livesafe_code, context2.get()));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, LivesafeCanCallLivesafe) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
const auto consumer = nullptr;
|
|
|
|
std::vector<protobufs::Instruction> instructions;
|
|
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunction, 2, 8,
|
|
{{SPV_OPERAND_TYPE_FUNCTION_CONTROL,
|
|
{uint32_t(spv::FunctionControlMask::MaskNone)}},
|
|
{SPV_OPERAND_TYPE_TYPE_ID, {3}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 9, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpFunctionCall, 2, 11,
|
|
{{SPV_OPERAND_TYPE_ID, {6}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpReturn, 0, 0, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunctionEnd, 0, 0, {}));
|
|
|
|
spvtools::ValidatorOptions validator_options;
|
|
|
|
const auto context1 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
const auto context2 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
|
|
TransformationContext transformation_context1(
|
|
MakeUnique<FactManager>(context1.get()), validator_options);
|
|
TransformationContext transformation_context2(
|
|
MakeUnique<FactManager>(context2.get()), validator_options);
|
|
|
|
// Mark function 6 as livesafe.
|
|
transformation_context2.GetFactManager()->AddFactFunctionIsLivesafe(6);
|
|
|
|
TransformationAddFunction add_dead_function(instructions);
|
|
ASSERT_TRUE(
|
|
add_dead_function.IsApplicable(context1.get(), transformation_context1));
|
|
ApplyAndCheckFreshIds(add_dead_function, context1.get(),
|
|
&transformation_context1);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
// The function should not be deemed livesafe
|
|
ASSERT_FALSE(transformation_context1.GetFactManager()->FunctionIsLivesafe(8));
|
|
// All variables/parameters in the function should be deemed irrelevant.
|
|
ASSERT_TRUE(AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
|
|
context1.get(), transformation_context1, 8, 0));
|
|
|
|
std::string added_as_live_or_dead_code = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%8 = OpFunction %2 None %3
|
|
%9 = OpLabel
|
|
%11 = OpFunctionCall %2 %6
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, added_as_live_or_dead_code, context1.get()));
|
|
|
|
TransformationAddFunction add_livesafe_function(instructions, 0, 0, {}, 0,
|
|
{});
|
|
ASSERT_TRUE(add_livesafe_function.IsApplicable(context2.get(),
|
|
transformation_context2));
|
|
ApplyAndCheckFreshIds(add_livesafe_function, context2.get(),
|
|
&transformation_context2);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context2.get(), validator_options, kConsoleMessageConsumer));
|
|
// The function should be deemed livesafe
|
|
ASSERT_TRUE(transformation_context2.GetFactManager()->FunctionIsLivesafe(8));
|
|
// All variables/parameters in the function should be deemed irrelevant.
|
|
ASSERT_TRUE(AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
|
|
context2.get(), transformation_context2, 8, 0));
|
|
ASSERT_TRUE(IsEqual(env, added_as_live_or_dead_code, context2.get()));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, LivesafeOnlyCallsLivesafe) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
OpKill
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
const auto consumer = nullptr;
|
|
|
|
std::vector<protobufs::Instruction> instructions;
|
|
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunction, 2, 8,
|
|
{{SPV_OPERAND_TYPE_FUNCTION_CONTROL,
|
|
{uint32_t(spv::FunctionControlMask::MaskNone)}},
|
|
{SPV_OPERAND_TYPE_TYPE_ID, {3}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpLabel, 0, 9, {}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpFunctionCall, 2, 11,
|
|
{{SPV_OPERAND_TYPE_ID, {6}}}));
|
|
instructions.push_back(MakeInstructionMessage(spv::Op::OpReturn, 0, 0, {}));
|
|
instructions.push_back(
|
|
MakeInstructionMessage(spv::Op::OpFunctionEnd, 0, 0, {}));
|
|
|
|
spvtools::ValidatorOptions validator_options;
|
|
|
|
const auto context1 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
const auto context2 = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
|
|
TransformationContext transformation_context1(
|
|
MakeUnique<FactManager>(context1.get()), validator_options);
|
|
TransformationContext transformation_context2(
|
|
MakeUnique<FactManager>(context2.get()), validator_options);
|
|
|
|
TransformationAddFunction add_dead_function(instructions);
|
|
ASSERT_TRUE(
|
|
add_dead_function.IsApplicable(context1.get(), transformation_context1));
|
|
ApplyAndCheckFreshIds(add_dead_function, context1.get(),
|
|
&transformation_context1);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context1.get(), validator_options, kConsoleMessageConsumer));
|
|
// The function should not be deemed livesafe
|
|
ASSERT_FALSE(transformation_context1.GetFactManager()->FunctionIsLivesafe(8));
|
|
// All variables/parameters in the function should be deemed irrelevant.
|
|
ASSERT_TRUE(AllVariablesAndParametersExceptLoopLimiterAreIrrelevant(
|
|
context1.get(), transformation_context1, 8, 0));
|
|
|
|
std::string added_as_dead_code = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
OpKill
|
|
OpFunctionEnd
|
|
%8 = OpFunction %2 None %3
|
|
%9 = OpLabel
|
|
%11 = OpFunctionCall %2 %6
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, added_as_dead_code, context1.get()));
|
|
|
|
TransformationAddFunction add_livesafe_function(instructions, 0, 0, {}, 0,
|
|
{});
|
|
ASSERT_FALSE(add_livesafe_function.IsApplicable(context2.get(),
|
|
transformation_context2));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest,
|
|
LoopLimitersBackEdgeBlockEndsWithConditional1) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%22 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::string donor = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%22 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
%10 = OpVariable %9 Function
|
|
OpStore %10 %11
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
OpLoopMerge %14 %15 None
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
%17 = OpLoad %8 %10
|
|
%20 = OpSLessThan %19 %17 %18
|
|
%21 = OpLoad %8 %10
|
|
%23 = OpIAdd %8 %21 %22
|
|
OpStore %10 %23
|
|
OpBranchConditional %20 %12 %14
|
|
%14 = 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);
|
|
// Make a sequence of instruction messages corresponding to function %6 in
|
|
// |donor|.
|
|
std::vector<protobufs::Instruction> instructions =
|
|
GetInstructionsForFunction(env, consumer, donor, 6);
|
|
|
|
protobufs::LoopLimiterInfo loop_limiter_info;
|
|
loop_limiter_info.set_loop_header_id(12);
|
|
loop_limiter_info.set_load_id(102);
|
|
loop_limiter_info.set_increment_id(103);
|
|
loop_limiter_info.set_compare_id(104);
|
|
loop_limiter_info.set_logical_op_id(105);
|
|
TransformationAddFunction add_livesafe_function(instructions, 100, 32,
|
|
{loop_limiter_info}, 0, {});
|
|
ASSERT_TRUE(add_livesafe_function.IsApplicable(context.get(),
|
|
transformation_context));
|
|
ApplyAndCheckFreshIds(add_livesafe_function, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
std::string expected = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%22 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
%100 = OpVariable %29 Function %30
|
|
%10 = OpVariable %9 Function
|
|
OpStore %10 %11
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
OpLoopMerge %14 %15 None
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
%17 = OpLoad %8 %10
|
|
%20 = OpSLessThan %19 %17 %18
|
|
%21 = OpLoad %8 %10
|
|
%23 = OpIAdd %8 %21 %22
|
|
OpStore %10 %23
|
|
%102 = OpLoad %28 %100
|
|
%103 = OpIAdd %28 %102 %31
|
|
OpStore %100 %103
|
|
%104 = OpULessThan %19 %102 %32
|
|
%105 = OpLogicalAnd %19 %20 %104
|
|
OpBranchConditional %105 %12 %14
|
|
%14 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, expected, context.get()));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest,
|
|
LoopLimitersBackEdgeBlockEndsWithConditional2) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%22 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::string donor = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%22 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
%10 = OpVariable %9 Function
|
|
OpStore %10 %11
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
OpLoopMerge %14 %15 None
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
%17 = OpLoad %8 %10
|
|
%20 = OpSLessThan %19 %17 %18
|
|
%21 = OpLoad %8 %10
|
|
%23 = OpIAdd %8 %21 %22
|
|
OpStore %10 %23
|
|
%50 = OpLogicalNot %19 %20
|
|
OpBranchConditional %50 %14 %12
|
|
%14 = 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);
|
|
// Make a sequence of instruction messages corresponding to function %6 in
|
|
// |donor|.
|
|
std::vector<protobufs::Instruction> instructions =
|
|
GetInstructionsForFunction(env, consumer, donor, 6);
|
|
|
|
protobufs::LoopLimiterInfo loop_limiter_info;
|
|
loop_limiter_info.set_loop_header_id(12);
|
|
loop_limiter_info.set_load_id(102);
|
|
loop_limiter_info.set_increment_id(103);
|
|
loop_limiter_info.set_compare_id(104);
|
|
loop_limiter_info.set_logical_op_id(105);
|
|
TransformationAddFunction add_livesafe_function(instructions, 100, 32,
|
|
{loop_limiter_info}, 0, {});
|
|
ASSERT_TRUE(add_livesafe_function.IsApplicable(context.get(),
|
|
transformation_context));
|
|
ApplyAndCheckFreshIds(add_livesafe_function, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
std::string expected = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%22 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
%100 = OpVariable %29 Function %30
|
|
%10 = OpVariable %9 Function
|
|
OpStore %10 %11
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
OpLoopMerge %14 %15 None
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
%17 = OpLoad %8 %10
|
|
%20 = OpSLessThan %19 %17 %18
|
|
%21 = OpLoad %8 %10
|
|
%23 = OpIAdd %8 %21 %22
|
|
OpStore %10 %23
|
|
%50 = OpLogicalNot %19 %20
|
|
%102 = OpLoad %28 %100
|
|
%103 = OpIAdd %28 %102 %31
|
|
OpStore %100 %103
|
|
%104 = OpUGreaterThanEqual %19 %102 %32
|
|
%105 = OpLogicalOr %19 %50 %104
|
|
OpBranchConditional %105 %14 %12
|
|
%14 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, expected, context.get()));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, LoopLimitersHeaderIsBackEdgeBlock) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%22 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::string donor = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%22 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
%10 = OpVariable %9 Function
|
|
OpStore %10 %11
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
%17 = OpLoad %8 %10
|
|
%20 = OpSLessThan %19 %17 %18
|
|
%21 = OpLoad %8 %10
|
|
%23 = OpIAdd %8 %21 %22
|
|
OpStore %10 %23
|
|
%50 = OpLogicalNot %19 %20
|
|
OpLoopMerge %14 %12 None
|
|
OpBranchConditional %50 %14 %12
|
|
%14 = 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);
|
|
// Make a sequence of instruction messages corresponding to function %6 in
|
|
// |donor|.
|
|
std::vector<protobufs::Instruction> instructions =
|
|
GetInstructionsForFunction(env, consumer, donor, 6);
|
|
|
|
protobufs::LoopLimiterInfo loop_limiter_info;
|
|
loop_limiter_info.set_loop_header_id(12);
|
|
loop_limiter_info.set_load_id(102);
|
|
loop_limiter_info.set_increment_id(103);
|
|
loop_limiter_info.set_compare_id(104);
|
|
loop_limiter_info.set_logical_op_id(105);
|
|
TransformationAddFunction add_livesafe_function(instructions, 100, 32,
|
|
{loop_limiter_info}, 0, {});
|
|
ASSERT_TRUE(add_livesafe_function.IsApplicable(context.get(),
|
|
transformation_context));
|
|
ApplyAndCheckFreshIds(add_livesafe_function, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
std::string expected = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%22 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
%100 = OpVariable %29 Function %30
|
|
%10 = OpVariable %9 Function
|
|
OpStore %10 %11
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
%17 = OpLoad %8 %10
|
|
%20 = OpSLessThan %19 %17 %18
|
|
%21 = OpLoad %8 %10
|
|
%23 = OpIAdd %8 %21 %22
|
|
OpStore %10 %23
|
|
%50 = OpLogicalNot %19 %20
|
|
%102 = OpLoad %28 %100
|
|
%103 = OpIAdd %28 %102 %31
|
|
OpStore %100 %103
|
|
%104 = OpUGreaterThanEqual %19 %102 %32
|
|
%105 = OpLogicalOr %19 %50 %104
|
|
OpLoopMerge %14 %12 None
|
|
OpBranchConditional %105 %14 %12
|
|
%14 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, expected, context.get()));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, InfiniteLoop) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%22 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::string donor = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%22 = OpConstant %8 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
%10 = OpVariable %9 Function
|
|
OpStore %10 %11
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
OpLoopMerge %14 %12 None
|
|
OpBranch %12
|
|
%14 = 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);
|
|
// Make a sequence of instruction messages corresponding to function %6 in
|
|
// |donor|.
|
|
std::vector<protobufs::Instruction> instructions =
|
|
GetInstructionsForFunction(env, consumer, donor, 6);
|
|
|
|
protobufs::LoopLimiterInfo loop_limiter_info;
|
|
loop_limiter_info.set_loop_header_id(12);
|
|
loop_limiter_info.set_load_id(102);
|
|
loop_limiter_info.set_increment_id(103);
|
|
loop_limiter_info.set_compare_id(104);
|
|
loop_limiter_info.set_logical_op_id(105);
|
|
TransformationAddFunction add_livesafe_function(instructions, 100, 32,
|
|
{loop_limiter_info}, 0, {});
|
|
|
|
// To make sure the loop's merge block is reachable, it must be dominated by
|
|
// the loop header.
|
|
ASSERT_FALSE(add_livesafe_function.IsApplicable(context.get(),
|
|
transformation_context));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, UnreachableContinueConstruct) {
|
|
// This captures the case where the loop's continue construct is statically
|
|
// unreachable. In this case the loop cannot iterate and so we do not add
|
|
// a loop limiter. (The reason we do not just add one anyway is that
|
|
// detecting which block would be the back-edge block is difficult in the
|
|
// absence of reliable dominance information.)
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%23 = OpConstant %8 1
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::string donor = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%23 = OpConstant %8 1
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
%10 = OpVariable %9 Function
|
|
OpStore %10 %11
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
OpLoopMerge %14 %15 None
|
|
OpBranch %16
|
|
%16 = OpLabel
|
|
%17 = OpLoad %8 %10
|
|
%20 = OpSLessThan %19 %17 %18
|
|
OpBranchConditional %20 %13 %14
|
|
%13 = OpLabel
|
|
OpBranch %14
|
|
%15 = OpLabel
|
|
%22 = OpLoad %8 %10
|
|
%24 = OpIAdd %8 %22 %23
|
|
OpStore %10 %24
|
|
OpBranch %12
|
|
%14 = 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);
|
|
// Make a sequence of instruction messages corresponding to function %6 in
|
|
// |donor|.
|
|
std::vector<protobufs::Instruction> instructions =
|
|
GetInstructionsForFunction(env, consumer, donor, 6);
|
|
|
|
protobufs::LoopLimiterInfo loop_limiter_info;
|
|
loop_limiter_info.set_loop_header_id(12);
|
|
loop_limiter_info.set_load_id(102);
|
|
loop_limiter_info.set_increment_id(103);
|
|
loop_limiter_info.set_compare_id(104);
|
|
loop_limiter_info.set_logical_op_id(105);
|
|
TransformationAddFunction add_livesafe_function(instructions, 100, 32,
|
|
{loop_limiter_info}, 0, {});
|
|
ASSERT_TRUE(add_livesafe_function.IsApplicable(context.get(),
|
|
transformation_context));
|
|
ApplyAndCheckFreshIds(add_livesafe_function, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
std::string expected = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypePointer Function %8
|
|
%11 = OpConstant %8 0
|
|
%18 = OpConstant %8 10
|
|
%19 = OpTypeBool
|
|
%23 = OpConstant %8 1
|
|
%26 = OpConstantTrue %19
|
|
%27 = OpConstantFalse %19
|
|
%28 = OpTypeInt 32 0
|
|
%29 = OpTypePointer Function %28
|
|
%30 = OpConstant %28 0
|
|
%31 = OpConstant %28 1
|
|
%32 = OpConstant %28 5
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
%100 = OpVariable %29 Function %30
|
|
%10 = OpVariable %9 Function
|
|
OpStore %10 %11
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
OpLoopMerge %14 %15 None
|
|
OpBranch %16
|
|
%16 = OpLabel
|
|
%17 = OpLoad %8 %10
|
|
%20 = OpSLessThan %19 %17 %18
|
|
OpBranchConditional %20 %13 %14
|
|
%13 = OpLabel
|
|
OpBranch %14
|
|
%15 = OpLabel
|
|
%22 = OpLoad %8 %10
|
|
%24 = OpIAdd %8 %22 %23
|
|
OpStore %10 %24
|
|
OpBranch %12
|
|
%14 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, expected, context.get()));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, LoopLimitersAndOpPhi1) {
|
|
// This captures the scenario where breaking a loop due to a loop limiter
|
|
// requires patching up OpPhi instructions occurring at the loop merge block.
|
|
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%50 = OpTypeInt 32 0
|
|
%51 = OpConstant %50 0
|
|
%52 = OpConstant %50 1
|
|
%53 = OpTypePointer Function %50
|
|
%7 = OpTypeFunction %6
|
|
%10 = OpTypePointer Function %6
|
|
%12 = OpConstant %6 0
|
|
%19 = OpConstant %6 100
|
|
%20 = OpTypeBool
|
|
%23 = OpConstant %6 20
|
|
%28 = OpConstant %6 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::string donor = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypeFunction %6
|
|
%10 = OpTypePointer Function %6
|
|
%12 = OpConstant %6 0
|
|
%19 = OpConstant %6 100
|
|
%20 = OpTypeBool
|
|
%23 = OpConstant %6 20
|
|
%28 = OpConstant %6 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%36 = OpFunctionCall %6 %8
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%8 = OpFunction %6 None %7
|
|
%9 = OpLabel
|
|
%11 = OpVariable %10 Function
|
|
OpStore %11 %12
|
|
OpBranch %13
|
|
%13 = OpLabel
|
|
%37 = OpPhi %6 %12 %9 %32 %16
|
|
OpLoopMerge %15 %16 None
|
|
OpBranch %17
|
|
%17 = OpLabel
|
|
%21 = OpSLessThan %20 %37 %19
|
|
OpBranchConditional %21 %14 %15
|
|
%14 = OpLabel
|
|
%24 = OpSGreaterThan %20 %37 %23
|
|
OpSelectionMerge %26 None
|
|
OpBranchConditional %24 %25 %26
|
|
%25 = OpLabel
|
|
%29 = OpIAdd %6 %37 %28
|
|
OpStore %11 %29
|
|
OpBranch %15
|
|
%26 = OpLabel
|
|
OpBranch %16
|
|
%16 = OpLabel
|
|
%32 = OpIAdd %6 %37 %28
|
|
OpStore %11 %32
|
|
OpBranch %13
|
|
%15 = OpLabel
|
|
%38 = OpPhi %6 %37 %17 %29 %25
|
|
OpReturnValue %38
|
|
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);
|
|
// Make a sequence of instruction messages corresponding to function %8 in
|
|
// |donor|.
|
|
std::vector<protobufs::Instruction> instructions =
|
|
GetInstructionsForFunction(env, consumer, donor, 8);
|
|
|
|
protobufs::LoopLimiterInfo loop_limiter_info;
|
|
loop_limiter_info.set_loop_header_id(13);
|
|
loop_limiter_info.set_load_id(102);
|
|
loop_limiter_info.set_increment_id(103);
|
|
loop_limiter_info.set_compare_id(104);
|
|
loop_limiter_info.set_logical_op_id(105);
|
|
|
|
TransformationAddFunction no_op_phi_data(instructions, 100, 28,
|
|
{loop_limiter_info}, 0, {});
|
|
// The loop limiter info is not good enough; it does not include ids to patch
|
|
// up the OpPhi at the loop merge.
|
|
ASSERT_FALSE(
|
|
no_op_phi_data.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Add a phi id for the new edge from the loop back edge block to the loop
|
|
// merge.
|
|
loop_limiter_info.add_phi_id(28);
|
|
TransformationAddFunction with_op_phi_data(instructions, 100, 28,
|
|
{loop_limiter_info}, 0, {});
|
|
ASSERT_TRUE(
|
|
with_op_phi_data.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(with_op_phi_data, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
std::string expected = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%50 = OpTypeInt 32 0
|
|
%51 = OpConstant %50 0
|
|
%52 = OpConstant %50 1
|
|
%53 = OpTypePointer Function %50
|
|
%7 = OpTypeFunction %6
|
|
%10 = OpTypePointer Function %6
|
|
%12 = OpConstant %6 0
|
|
%19 = OpConstant %6 100
|
|
%20 = OpTypeBool
|
|
%23 = OpConstant %6 20
|
|
%28 = OpConstant %6 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%8 = OpFunction %6 None %7
|
|
%9 = OpLabel
|
|
%100 = OpVariable %53 Function %51
|
|
%11 = OpVariable %10 Function
|
|
OpStore %11 %12
|
|
OpBranch %13
|
|
%13 = OpLabel
|
|
%37 = OpPhi %6 %12 %9 %32 %16
|
|
OpLoopMerge %15 %16 None
|
|
OpBranch %17
|
|
%17 = OpLabel
|
|
%21 = OpSLessThan %20 %37 %19
|
|
OpBranchConditional %21 %14 %15
|
|
%14 = OpLabel
|
|
%24 = OpSGreaterThan %20 %37 %23
|
|
OpSelectionMerge %26 None
|
|
OpBranchConditional %24 %25 %26
|
|
%25 = OpLabel
|
|
%29 = OpIAdd %6 %37 %28
|
|
OpStore %11 %29
|
|
OpBranch %15
|
|
%26 = OpLabel
|
|
OpBranch %16
|
|
%16 = OpLabel
|
|
%32 = OpIAdd %6 %37 %28
|
|
OpStore %11 %32
|
|
%102 = OpLoad %50 %100
|
|
%103 = OpIAdd %50 %102 %52
|
|
OpStore %100 %103
|
|
%104 = OpUGreaterThanEqual %20 %102 %28
|
|
OpBranchConditional %104 %15 %13
|
|
%15 = OpLabel
|
|
%38 = OpPhi %6 %37 %17 %29 %25 %28 %16
|
|
OpReturnValue %38
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, expected, context.get()));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, LoopLimitersAndOpPhi2) {
|
|
// This captures the scenario where the loop merge block already has an OpPhi
|
|
// with the loop back edge block as a predecessor.
|
|
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%50 = OpTypeInt 32 0
|
|
%51 = OpConstant %50 0
|
|
%52 = OpConstant %50 1
|
|
%53 = OpTypePointer Function %50
|
|
%7 = OpTypeFunction %6
|
|
%10 = OpTypePointer Function %6
|
|
%12 = OpConstant %6 0
|
|
%19 = OpConstant %6 100
|
|
%20 = OpTypeBool
|
|
%60 = OpConstantTrue %20
|
|
%23 = OpConstant %6 20
|
|
%28 = OpConstant %6 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::string donor = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%50 = OpTypeInt 32 0
|
|
%51 = OpConstant %50 0
|
|
%52 = OpConstant %50 1
|
|
%53 = OpTypePointer Function %50
|
|
%7 = OpTypeFunction %6
|
|
%10 = OpTypePointer Function %6
|
|
%12 = OpConstant %6 0
|
|
%19 = OpConstant %6 100
|
|
%20 = OpTypeBool
|
|
%60 = OpConstantTrue %20
|
|
%23 = OpConstant %6 20
|
|
%28 = OpConstant %6 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%8 = OpFunction %6 None %7
|
|
%9 = OpLabel
|
|
%11 = OpVariable %10 Function
|
|
OpStore %11 %12
|
|
OpBranch %13
|
|
%13 = OpLabel
|
|
%37 = OpPhi %6 %12 %9 %32 %16
|
|
OpLoopMerge %15 %16 None
|
|
OpBranch %17
|
|
%17 = OpLabel
|
|
%21 = OpSLessThan %20 %37 %19
|
|
OpBranchConditional %21 %14 %15
|
|
%14 = OpLabel
|
|
%24 = OpSGreaterThan %20 %37 %23
|
|
OpSelectionMerge %26 None
|
|
OpBranchConditional %24 %25 %26
|
|
%25 = OpLabel
|
|
%29 = OpIAdd %6 %37 %28
|
|
OpStore %11 %29
|
|
OpBranch %15
|
|
%26 = OpLabel
|
|
OpBranch %16
|
|
%16 = OpLabel
|
|
%32 = OpIAdd %6 %37 %28
|
|
OpStore %11 %32
|
|
OpBranchConditional %60 %15 %13
|
|
%15 = OpLabel
|
|
%38 = OpPhi %6 %37 %17 %29 %25 %23 %16
|
|
OpReturnValue %38
|
|
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);
|
|
// Make a sequence of instruction messages corresponding to function %8 in
|
|
// |donor|.
|
|
std::vector<protobufs::Instruction> instructions =
|
|
GetInstructionsForFunction(env, consumer, donor, 8);
|
|
|
|
protobufs::LoopLimiterInfo loop_limiter_info;
|
|
loop_limiter_info.set_loop_header_id(13);
|
|
loop_limiter_info.set_load_id(102);
|
|
loop_limiter_info.set_increment_id(103);
|
|
loop_limiter_info.set_compare_id(104);
|
|
loop_limiter_info.set_logical_op_id(105);
|
|
|
|
TransformationAddFunction transformation(instructions, 100, 28,
|
|
{loop_limiter_info}, 0, {});
|
|
ASSERT_TRUE(
|
|
transformation.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
std::string expected = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%50 = OpTypeInt 32 0
|
|
%51 = OpConstant %50 0
|
|
%52 = OpConstant %50 1
|
|
%53 = OpTypePointer Function %50
|
|
%7 = OpTypeFunction %6
|
|
%10 = OpTypePointer Function %6
|
|
%12 = OpConstant %6 0
|
|
%19 = OpConstant %6 100
|
|
%20 = OpTypeBool
|
|
%60 = OpConstantTrue %20
|
|
%23 = OpConstant %6 20
|
|
%28 = OpConstant %6 1
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%8 = OpFunction %6 None %7
|
|
%9 = OpLabel
|
|
%100 = OpVariable %53 Function %51
|
|
%11 = OpVariable %10 Function
|
|
OpStore %11 %12
|
|
OpBranch %13
|
|
%13 = OpLabel
|
|
%37 = OpPhi %6 %12 %9 %32 %16
|
|
OpLoopMerge %15 %16 None
|
|
OpBranch %17
|
|
%17 = OpLabel
|
|
%21 = OpSLessThan %20 %37 %19
|
|
OpBranchConditional %21 %14 %15
|
|
%14 = OpLabel
|
|
%24 = OpSGreaterThan %20 %37 %23
|
|
OpSelectionMerge %26 None
|
|
OpBranchConditional %24 %25 %26
|
|
%25 = OpLabel
|
|
%29 = OpIAdd %6 %37 %28
|
|
OpStore %11 %29
|
|
OpBranch %15
|
|
%26 = OpLabel
|
|
OpBranch %16
|
|
%16 = OpLabel
|
|
%32 = OpIAdd %6 %37 %28
|
|
OpStore %11 %32
|
|
%102 = OpLoad %50 %100
|
|
%103 = OpIAdd %50 %102 %52
|
|
OpStore %100 %103
|
|
%104 = OpUGreaterThanEqual %20 %102 %28
|
|
%105 = OpLogicalOr %20 %60 %104
|
|
OpBranchConditional %105 %15 %13
|
|
%15 = OpLabel
|
|
%38 = OpPhi %6 %37 %17 %29 %25 %23 %16
|
|
OpReturnValue %38
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, expected, context.get()));
|
|
}
|
|
|
|
TEST(TransformationAddFunctionTest, StaticallyOutOfBoundsArrayAccess) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypeInt 32 0
|
|
%10 = OpConstant %9 3
|
|
%11 = OpTypeArray %8 %10
|
|
%12 = OpTypePointer Private %11
|
|
%13 = OpVariable %12 Private
|
|
%14 = OpConstant %8 3
|
|
%20 = OpConstant %8 2
|
|
%15 = OpConstant %8 1
|
|
%21 = OpTypeBool
|
|
%16 = OpTypePointer Private %8
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
std::string donor = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypeInt 32 0
|
|
%10 = OpConstant %9 3
|
|
%11 = OpTypeArray %8 %10
|
|
%12 = OpTypePointer Private %11
|
|
%13 = OpVariable %12 Private
|
|
%14 = OpConstant %8 3
|
|
%15 = OpConstant %8 1
|
|
%16 = OpTypePointer Private %8
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
%17 = OpAccessChain %16 %13 %14
|
|
OpStore %17 %15
|
|
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);
|
|
// Make a sequence of instruction messages corresponding to function %6 in
|
|
// |donor|.
|
|
std::vector<protobufs::Instruction> instructions =
|
|
GetInstructionsForFunction(env, consumer, donor, 6);
|
|
|
|
TransformationAddFunction add_livesafe_function(
|
|
instructions, 0, 0, {}, 0, {MakeAccessClampingInfo(17, {{100, 101}})});
|
|
ASSERT_TRUE(add_livesafe_function.IsApplicable(context.get(),
|
|
transformation_context));
|
|
ApplyAndCheckFreshIds(add_livesafe_function, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
std::string expected = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%8 = OpTypeInt 32 1
|
|
%9 = OpTypeInt 32 0
|
|
%10 = OpConstant %9 3
|
|
%11 = OpTypeArray %8 %10
|
|
%12 = OpTypePointer Private %11
|
|
%13 = OpVariable %12 Private
|
|
%14 = OpConstant %8 3
|
|
%20 = OpConstant %8 2
|
|
%15 = OpConstant %8 1
|
|
%21 = OpTypeBool
|
|
%16 = OpTypePointer Private %8
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = OpLabel
|
|
%100 = OpULessThanEqual %21 %14 %20
|
|
%101 = OpSelect %8 %100 %14 %20
|
|
%17 = OpAccessChain %16 %13 %101
|
|
OpStore %17 %15
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
ASSERT_TRUE(IsEqual(env, expected, context.get()));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|