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SPIRV-Tools/source/fuzz/transformation.cpp
Shiyu Liu 033768c24b
spirv-fuzz: TransformationWrapVectorSynonym that rewrites scalar operations using vectors (#4376) 
Adds a new transformation that rewrites a scalar operation (like
OpFAdd, opISub) as an equivalent vector operation, adding a synonym
between the scalar result and an appropriate component of the vector
result.

Fixes #4195.
2021-07-20 11:01:20 +01:00

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// Copyright (c) 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "source/fuzz/transformation.h"
#include <cassert>
#include "source/fuzz/fuzzer_util.h"
#include "source/fuzz/transformation_access_chain.h"
#include "source/fuzz/transformation_add_bit_instruction_synonym.h"
#include "source/fuzz/transformation_add_constant_boolean.h"
#include "source/fuzz/transformation_add_constant_composite.h"
#include "source/fuzz/transformation_add_constant_null.h"
#include "source/fuzz/transformation_add_constant_scalar.h"
#include "source/fuzz/transformation_add_copy_memory.h"
#include "source/fuzz/transformation_add_dead_block.h"
#include "source/fuzz/transformation_add_dead_break.h"
#include "source/fuzz/transformation_add_dead_continue.h"
#include "source/fuzz/transformation_add_early_terminator_wrapper.h"
#include "source/fuzz/transformation_add_function.h"
#include "source/fuzz/transformation_add_global_undef.h"
#include "source/fuzz/transformation_add_global_variable.h"
#include "source/fuzz/transformation_add_image_sample_unused_components.h"
#include "source/fuzz/transformation_add_local_variable.h"
#include "source/fuzz/transformation_add_loop_preheader.h"
#include "source/fuzz/transformation_add_loop_to_create_int_constant_synonym.h"
#include "source/fuzz/transformation_add_no_contraction_decoration.h"
#include "source/fuzz/transformation_add_opphi_synonym.h"
#include "source/fuzz/transformation_add_parameter.h"
#include "source/fuzz/transformation_add_relaxed_decoration.h"
#include "source/fuzz/transformation_add_spec_constant_op.h"
#include "source/fuzz/transformation_add_synonym.h"
#include "source/fuzz/transformation_add_type_array.h"
#include "source/fuzz/transformation_add_type_boolean.h"
#include "source/fuzz/transformation_add_type_float.h"
#include "source/fuzz/transformation_add_type_function.h"
#include "source/fuzz/transformation_add_type_int.h"
#include "source/fuzz/transformation_add_type_matrix.h"
#include "source/fuzz/transformation_add_type_pointer.h"
#include "source/fuzz/transformation_add_type_struct.h"
#include "source/fuzz/transformation_add_type_vector.h"
#include "source/fuzz/transformation_adjust_branch_weights.h"
#include "source/fuzz/transformation_composite_construct.h"
#include "source/fuzz/transformation_composite_extract.h"
#include "source/fuzz/transformation_composite_insert.h"
#include "source/fuzz/transformation_compute_data_synonym_fact_closure.h"
#include "source/fuzz/transformation_duplicate_region_with_selection.h"
#include "source/fuzz/transformation_equation_instruction.h"
#include "source/fuzz/transformation_expand_vector_reduction.h"
#include "source/fuzz/transformation_flatten_conditional_branch.h"
#include "source/fuzz/transformation_function_call.h"
#include "source/fuzz/transformation_inline_function.h"
#include "source/fuzz/transformation_invert_comparison_operator.h"
#include "source/fuzz/transformation_load.h"
#include "source/fuzz/transformation_make_vector_operation_dynamic.h"
#include "source/fuzz/transformation_merge_blocks.h"
#include "source/fuzz/transformation_merge_function_returns.h"
#include "source/fuzz/transformation_move_block_down.h"
#include "source/fuzz/transformation_move_instruction_down.h"
#include "source/fuzz/transformation_mutate_pointer.h"
#include "source/fuzz/transformation_outline_function.h"
#include "source/fuzz/transformation_permute_function_parameters.h"
#include "source/fuzz/transformation_permute_phi_operands.h"
#include "source/fuzz/transformation_propagate_instruction_down.h"
#include "source/fuzz/transformation_propagate_instruction_up.h"
#include "source/fuzz/transformation_push_id_through_variable.h"
#include "source/fuzz/transformation_record_synonymous_constants.h"
#include "source/fuzz/transformation_replace_add_sub_mul_with_carrying_extended.h"
#include "source/fuzz/transformation_replace_boolean_constant_with_constant_binary.h"
#include "source/fuzz/transformation_replace_branch_from_dead_block_with_exit.h"
#include "source/fuzz/transformation_replace_constant_with_uniform.h"
#include "source/fuzz/transformation_replace_copy_memory_with_load_store.h"
#include "source/fuzz/transformation_replace_copy_object_with_store_load.h"
#include "source/fuzz/transformation_replace_id_with_synonym.h"
#include "source/fuzz/transformation_replace_irrelevant_id.h"
#include "source/fuzz/transformation_replace_linear_algebra_instruction.h"
#include "source/fuzz/transformation_replace_load_store_with_copy_memory.h"
#include "source/fuzz/transformation_replace_opphi_id_from_dead_predecessor.h"
#include "source/fuzz/transformation_replace_opselect_with_conditional_branch.h"
#include "source/fuzz/transformation_replace_parameter_with_global.h"
#include "source/fuzz/transformation_replace_params_with_struct.h"
#include "source/fuzz/transformation_set_function_control.h"
#include "source/fuzz/transformation_set_loop_control.h"
#include "source/fuzz/transformation_set_memory_operands_mask.h"
#include "source/fuzz/transformation_set_selection_control.h"
#include "source/fuzz/transformation_split_block.h"
#include "source/fuzz/transformation_store.h"
#include "source/fuzz/transformation_swap_commutable_operands.h"
#include "source/fuzz/transformation_swap_conditional_branch_operands.h"
#include "source/fuzz/transformation_swap_function_variables.h"
#include "source/fuzz/transformation_swap_two_functions.h"
#include "source/fuzz/transformation_toggle_access_chain_instruction.h"
#include "source/fuzz/transformation_vector_shuffle.h"
#include "source/fuzz/transformation_wrap_early_terminator_in_function.h"
#include "source/fuzz/transformation_wrap_region_in_selection.h"
#include "source/fuzz/transformation_wrap_vector_synonym.h"
#include "source/util/make_unique.h"
namespace spvtools {
namespace fuzz {
Transformation::~Transformation() = default;
std::unique_ptr<Transformation> Transformation::FromMessage(
const protobufs::Transformation& message) {
switch (message.transformation_case()) {
case protobufs::Transformation::TransformationCase::kAccessChain:
return MakeUnique<TransformationAccessChain>(message.access_chain());
case protobufs::Transformation::TransformationCase::
kAddBitInstructionSynonym:
return MakeUnique<TransformationAddBitInstructionSynonym>(
message.add_bit_instruction_synonym());
case protobufs::Transformation::TransformationCase::kAddConstantBoolean:
return MakeUnique<TransformationAddConstantBoolean>(
message.add_constant_boolean());
case protobufs::Transformation::TransformationCase::kAddConstantComposite:
return MakeUnique<TransformationAddConstantComposite>(
message.add_constant_composite());
case protobufs::Transformation::TransformationCase::kAddConstantNull:
return MakeUnique<TransformationAddConstantNull>(
message.add_constant_null());
case protobufs::Transformation::TransformationCase::kAddConstantScalar:
return MakeUnique<TransformationAddConstantScalar>(
message.add_constant_scalar());
case protobufs::Transformation::TransformationCase::kAddCopyMemory:
return MakeUnique<TransformationAddCopyMemory>(message.add_copy_memory());
case protobufs::Transformation::TransformationCase::kAddDeadBlock:
return MakeUnique<TransformationAddDeadBlock>(message.add_dead_block());
case protobufs::Transformation::TransformationCase::kAddDeadBreak:
return MakeUnique<TransformationAddDeadBreak>(message.add_dead_break());
case protobufs::Transformation::TransformationCase::kAddDeadContinue:
return MakeUnique<TransformationAddDeadContinue>(
message.add_dead_continue());
case protobufs::Transformation::TransformationCase::
kAddEarlyTerminatorWrapper:
return MakeUnique<TransformationAddEarlyTerminatorWrapper>(
message.add_early_terminator_wrapper());
case protobufs::Transformation::TransformationCase::kAddFunction:
return MakeUnique<TransformationAddFunction>(message.add_function());
case protobufs::Transformation::TransformationCase::kAddGlobalUndef:
return MakeUnique<TransformationAddGlobalUndef>(
message.add_global_undef());
case protobufs::Transformation::TransformationCase::kAddGlobalVariable:
return MakeUnique<TransformationAddGlobalVariable>(
message.add_global_variable());
case protobufs::Transformation::TransformationCase::
kAddImageSampleUnusedComponents:
return MakeUnique<TransformationAddImageSampleUnusedComponents>(
message.add_image_sample_unused_components());
case protobufs::Transformation::TransformationCase::kAddLocalVariable:
return MakeUnique<TransformationAddLocalVariable>(
message.add_local_variable());
case protobufs::Transformation::TransformationCase::kAddLoopPreheader:
return MakeUnique<TransformationAddLoopPreheader>(
message.add_loop_preheader());
case protobufs::Transformation::TransformationCase::
kAddLoopToCreateIntConstantSynonym:
return MakeUnique<TransformationAddLoopToCreateIntConstantSynonym>(
message.add_loop_to_create_int_constant_synonym());
case protobufs::Transformation::TransformationCase::
kAddNoContractionDecoration:
return MakeUnique<TransformationAddNoContractionDecoration>(
message.add_no_contraction_decoration());
case protobufs::Transformation::TransformationCase::kAddOpphiSynonym:
return MakeUnique<TransformationAddOpPhiSynonym>(
message.add_opphi_synonym());
case protobufs::Transformation::TransformationCase::kAddParameter:
return MakeUnique<TransformationAddParameter>(message.add_parameter());
case protobufs::Transformation::TransformationCase::kAddRelaxedDecoration:
return MakeUnique<TransformationAddRelaxedDecoration>(
message.add_relaxed_decoration());
case protobufs::Transformation::TransformationCase::kAddSpecConstantOp:
return MakeUnique<TransformationAddSpecConstantOp>(
message.add_spec_constant_op());
case protobufs::Transformation::TransformationCase::kAddSynonym:
return MakeUnique<TransformationAddSynonym>(message.add_synonym());
case protobufs::Transformation::TransformationCase::kAddTypeArray:
return MakeUnique<TransformationAddTypeArray>(message.add_type_array());
case protobufs::Transformation::TransformationCase::kAddTypeBoolean:
return MakeUnique<TransformationAddTypeBoolean>(
message.add_type_boolean());
case protobufs::Transformation::TransformationCase::kAddTypeFloat:
return MakeUnique<TransformationAddTypeFloat>(message.add_type_float());
case protobufs::Transformation::TransformationCase::kAddTypeFunction:
return MakeUnique<TransformationAddTypeFunction>(
message.add_type_function());
case protobufs::Transformation::TransformationCase::kAddTypeInt:
return MakeUnique<TransformationAddTypeInt>(message.add_type_int());
case protobufs::Transformation::TransformationCase::kAddTypeMatrix:
return MakeUnique<TransformationAddTypeMatrix>(message.add_type_matrix());
case protobufs::Transformation::TransformationCase::kAddTypePointer:
return MakeUnique<TransformationAddTypePointer>(
message.add_type_pointer());
case protobufs::Transformation::TransformationCase::kAddTypeStruct:
return MakeUnique<TransformationAddTypeStruct>(message.add_type_struct());
case protobufs::Transformation::TransformationCase::kAddTypeVector:
return MakeUnique<TransformationAddTypeVector>(message.add_type_vector());
case protobufs::Transformation::TransformationCase::kAdjustBranchWeights:
return MakeUnique<TransformationAdjustBranchWeights>(
message.adjust_branch_weights());
case protobufs::Transformation::TransformationCase::kCompositeConstruct:
return MakeUnique<TransformationCompositeConstruct>(
message.composite_construct());
case protobufs::Transformation::TransformationCase::kCompositeExtract:
return MakeUnique<TransformationCompositeExtract>(
message.composite_extract());
case protobufs::Transformation::TransformationCase::kCompositeInsert:
return MakeUnique<TransformationCompositeInsert>(
message.composite_insert());
case protobufs::Transformation::TransformationCase::
kComputeDataSynonymFactClosure:
return MakeUnique<TransformationComputeDataSynonymFactClosure>(
message.compute_data_synonym_fact_closure());
case protobufs::Transformation::TransformationCase::
kDuplicateRegionWithSelection:
return MakeUnique<TransformationDuplicateRegionWithSelection>(
message.duplicate_region_with_selection());
case protobufs::Transformation::TransformationCase::kEquationInstruction:
return MakeUnique<TransformationEquationInstruction>(
message.equation_instruction());
case protobufs::Transformation::TransformationCase::kExpandVectorReduction:
return MakeUnique<TransformationExpandVectorReduction>(
message.expand_vector_reduction());
case protobufs::Transformation::TransformationCase::
kFlattenConditionalBranch:
return MakeUnique<TransformationFlattenConditionalBranch>(
message.flatten_conditional_branch());
case protobufs::Transformation::TransformationCase::kFunctionCall:
return MakeUnique<TransformationFunctionCall>(message.function_call());
case protobufs::Transformation::TransformationCase::kInlineFunction:
return MakeUnique<TransformationInlineFunction>(
message.inline_function());
case protobufs::Transformation::TransformationCase::
kInvertComparisonOperator:
return MakeUnique<TransformationInvertComparisonOperator>(
message.invert_comparison_operator());
case protobufs::Transformation::TransformationCase::kLoad:
return MakeUnique<TransformationLoad>(message.load());
case protobufs::Transformation::TransformationCase::
kMakeVectorOperationDynamic:
return MakeUnique<TransformationMakeVectorOperationDynamic>(
message.make_vector_operation_dynamic());
case protobufs::Transformation::TransformationCase::kMergeBlocks:
return MakeUnique<TransformationMergeBlocks>(message.merge_blocks());
case protobufs::Transformation::TransformationCase::kMergeFunctionReturns:
return MakeUnique<TransformationMergeFunctionReturns>(
message.merge_function_returns());
case protobufs::Transformation::TransformationCase::kMoveBlockDown:
return MakeUnique<TransformationMoveBlockDown>(message.move_block_down());
case protobufs::Transformation::TransformationCase::kMoveInstructionDown:
return MakeUnique<TransformationMoveInstructionDown>(
message.move_instruction_down());
case protobufs::Transformation::TransformationCase::kMutatePointer:
return MakeUnique<TransformationMutatePointer>(message.mutate_pointer());
case protobufs::Transformation::TransformationCase::kOutlineFunction:
return MakeUnique<TransformationOutlineFunction>(
message.outline_function());
case protobufs::Transformation::TransformationCase::
kPermuteFunctionParameters:
return MakeUnique<TransformationPermuteFunctionParameters>(
message.permute_function_parameters());
case protobufs::Transformation::TransformationCase::kPermutePhiOperands:
return MakeUnique<TransformationPermutePhiOperands>(
message.permute_phi_operands());
case protobufs::Transformation::TransformationCase::
kPropagateInstructionDown:
return MakeUnique<TransformationPropagateInstructionDown>(
message.propagate_instruction_down());
case protobufs::Transformation::TransformationCase::kPropagateInstructionUp:
return MakeUnique<TransformationPropagateInstructionUp>(
message.propagate_instruction_up());
case protobufs::Transformation::TransformationCase::kPushIdThroughVariable:
return MakeUnique<TransformationPushIdThroughVariable>(
message.push_id_through_variable());
case protobufs::Transformation::TransformationCase::
kRecordSynonymousConstants:
return MakeUnique<TransformationRecordSynonymousConstants>(
message.record_synonymous_constants());
case protobufs::Transformation::TransformationCase::
kReplaceAddSubMulWithCarryingExtended:
return MakeUnique<TransformationReplaceAddSubMulWithCarryingExtended>(
message.replace_add_sub_mul_with_carrying_extended());
case protobufs::Transformation::TransformationCase::
kReplaceBooleanConstantWithConstantBinary:
return MakeUnique<TransformationReplaceBooleanConstantWithConstantBinary>(
message.replace_boolean_constant_with_constant_binary());
case protobufs::Transformation::TransformationCase::
kReplaceBranchFromDeadBlockWithExit:
return MakeUnique<TransformationReplaceBranchFromDeadBlockWithExit>(
message.replace_branch_from_dead_block_with_exit());
case protobufs::Transformation::TransformationCase::
kReplaceConstantWithUniform:
return MakeUnique<TransformationReplaceConstantWithUniform>(
message.replace_constant_with_uniform());
case protobufs::Transformation::TransformationCase::
kReplaceCopyMemoryWithLoadStore:
return MakeUnique<TransformationReplaceCopyMemoryWithLoadStore>(
message.replace_copy_memory_with_load_store());
case protobufs::Transformation::TransformationCase::
kReplaceCopyObjectWithStoreLoad:
return MakeUnique<TransformationReplaceCopyObjectWithStoreLoad>(
message.replace_copy_object_with_store_load());
case protobufs::Transformation::TransformationCase::kReplaceIdWithSynonym:
return MakeUnique<TransformationReplaceIdWithSynonym>(
message.replace_id_with_synonym());
case protobufs::Transformation::TransformationCase::kReplaceIrrelevantId:
return MakeUnique<TransformationReplaceIrrelevantId>(
message.replace_irrelevant_id());
case protobufs::Transformation::TransformationCase::
kReplaceLinearAlgebraInstruction:
return MakeUnique<TransformationReplaceLinearAlgebraInstruction>(
message.replace_linear_algebra_instruction());
case protobufs::Transformation::TransformationCase::
kReplaceLoadStoreWithCopyMemory:
return MakeUnique<TransformationReplaceLoadStoreWithCopyMemory>(
message.replace_load_store_with_copy_memory());
case protobufs::Transformation::TransformationCase::
kReplaceOpselectWithConditionalBranch:
return MakeUnique<TransformationReplaceOpSelectWithConditionalBranch>(
message.replace_opselect_with_conditional_branch());
case protobufs::Transformation::TransformationCase::
kReplaceParameterWithGlobal:
return MakeUnique<TransformationReplaceParameterWithGlobal>(
message.replace_parameter_with_global());
case protobufs::Transformation::TransformationCase::
kReplaceParamsWithStruct:
return MakeUnique<TransformationReplaceParamsWithStruct>(
message.replace_params_with_struct());
case protobufs::Transformation::TransformationCase::
kReplaceOpphiIdFromDeadPredecessor:
return MakeUnique<TransformationReplaceOpPhiIdFromDeadPredecessor>(
message.replace_opphi_id_from_dead_predecessor());
case protobufs::Transformation::TransformationCase::kSetFunctionControl:
return MakeUnique<TransformationSetFunctionControl>(
message.set_function_control());
case protobufs::Transformation::TransformationCase::kSetLoopControl:
return MakeUnique<TransformationSetLoopControl>(
message.set_loop_control());
case protobufs::Transformation::TransformationCase::kSetMemoryOperandsMask:
return MakeUnique<TransformationSetMemoryOperandsMask>(
message.set_memory_operands_mask());
case protobufs::Transformation::TransformationCase::kSetSelectionControl:
return MakeUnique<TransformationSetSelectionControl>(
message.set_selection_control());
case protobufs::Transformation::TransformationCase::kSplitBlock:
return MakeUnique<TransformationSplitBlock>(message.split_block());
case protobufs::Transformation::TransformationCase::kStore:
return MakeUnique<TransformationStore>(message.store());
case protobufs::Transformation::TransformationCase::kSwapCommutableOperands:
return MakeUnique<TransformationSwapCommutableOperands>(
message.swap_commutable_operands());
case protobufs::Transformation::TransformationCase::
kSwapConditionalBranchOperands:
return MakeUnique<TransformationSwapConditionalBranchOperands>(
message.swap_conditional_branch_operands());
case protobufs::Transformation::TransformationCase::kSwapFunctionVariables:
return MakeUnique<TransformationSwapFunctionVariables>(
message.swap_function_variables());
case protobufs::Transformation::TransformationCase::kSwapTwoFunctions:
return MakeUnique<TransformationSwapTwoFunctions>(
message.swap_two_functions());
case protobufs::Transformation::TransformationCase::
kToggleAccessChainInstruction:
return MakeUnique<TransformationToggleAccessChainInstruction>(
message.toggle_access_chain_instruction());
case protobufs::Transformation::TransformationCase::kVectorShuffle:
return MakeUnique<TransformationVectorShuffle>(message.vector_shuffle());
case protobufs::Transformation::TransformationCase::
kWrapEarlyTerminatorInFunction:
return MakeUnique<TransformationWrapEarlyTerminatorInFunction>(
message.wrap_early_terminator_in_function());
case protobufs::Transformation::TransformationCase::kWrapRegionInSelection:
return MakeUnique<TransformationWrapRegionInSelection>(
message.wrap_region_in_selection());
case protobufs::Transformation::TransformationCase::kWrapVectorSynonym:
return MakeUnique<TransformationWrapVectorSynonym>(
message.wrap_vector_synonym());
case protobufs::Transformation::TRANSFORMATION_NOT_SET:
assert(false && "An unset transformation was encountered.");
return nullptr;
}
assert(false && "Should be unreachable as all cases must be handled above.");
return nullptr;
}
bool Transformation::CheckIdIsFreshAndNotUsedByThisTransformation(
uint32_t id, opt::IRContext* ir_context,
std::set<uint32_t>* ids_used_by_this_transformation) {
if (!fuzzerutil::IsFreshId(ir_context, id)) {
return false;
}
if (ids_used_by_this_transformation->count(id) != 0) {
return false;
}
ids_used_by_this_transformation->insert(id);
return true;
}
} // namespace fuzz
} // namespace spvtools
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