1 // Copyright (c) 2020 Vasyl Teliman
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "source/fuzz/transformation_add_spec_constant_op.h"
16
17 #include <utility>
18
19 #include "source/fuzz/fuzzer_util.h"
20
21 namespace spvtools {
22 namespace fuzz {
23
TransformationAddSpecConstantOp(spvtools::fuzz::protobufs::TransformationAddSpecConstantOp message)24 TransformationAddSpecConstantOp::TransformationAddSpecConstantOp(
25 spvtools::fuzz::protobufs::TransformationAddSpecConstantOp message)
26 : message_(std::move(message)) {}
27
TransformationAddSpecConstantOp(uint32_t fresh_id,uint32_t type_id,SpvOp opcode,const opt::Instruction::OperandList & operands)28 TransformationAddSpecConstantOp::TransformationAddSpecConstantOp(
29 uint32_t fresh_id, uint32_t type_id, SpvOp opcode,
30 const opt::Instruction::OperandList& operands) {
31 message_.set_fresh_id(fresh_id);
32 message_.set_type_id(type_id);
33 message_.set_opcode(opcode);
34 for (const auto& operand : operands) {
35 auto* op = message_.add_operand();
36 op->set_operand_type(operand.type);
37 for (auto word : operand.words) {
38 op->add_operand_data(word);
39 }
40 }
41 }
42
IsApplicable(opt::IRContext * ir_context,const TransformationContext & transformation_context) const43 bool TransformationAddSpecConstantOp::IsApplicable(
44 opt::IRContext* ir_context,
45 const TransformationContext& transformation_context) const {
46 auto clone = fuzzerutil::CloneIRContext(ir_context);
47 ApplyImpl(clone.get());
48 return fuzzerutil::IsValid(clone.get(),
49 transformation_context.GetValidatorOptions(),
50 fuzzerutil::kSilentMessageConsumer);
51 }
52
Apply(opt::IRContext * ir_context,TransformationContext *) const53 void TransformationAddSpecConstantOp::Apply(
54 opt::IRContext* ir_context, TransformationContext* /*unused*/) const {
55 ApplyImpl(ir_context);
56 ir_context->InvalidateAnalysesExceptFor(
57 opt::IRContext::Analysis::kAnalysisNone);
58 }
59
ApplyImpl(opt::IRContext * ir_context) const60 void TransformationAddSpecConstantOp::ApplyImpl(
61 opt::IRContext* ir_context) const {
62 opt::Instruction::OperandList operands = {
63 {SPV_OPERAND_TYPE_SPEC_CONSTANT_OP_NUMBER, {message_.opcode()}}};
64
65 for (const auto& operand : message_.operand()) {
66 std::vector<uint32_t> words(operand.operand_data().begin(),
67 operand.operand_data().end());
68 operands.push_back({static_cast<spv_operand_type_t>(operand.operand_type()),
69 std::move(words)});
70 }
71
72 ir_context->AddGlobalValue(MakeUnique<opt::Instruction>(
73 ir_context, SpvOpSpecConstantOp, message_.type_id(), message_.fresh_id(),
74 std::move(operands)));
75
76 fuzzerutil::UpdateModuleIdBound(ir_context, message_.fresh_id());
77 }
78
ToMessage() const79 protobufs::Transformation TransformationAddSpecConstantOp::ToMessage() const {
80 protobufs::Transformation result;
81 *result.mutable_add_spec_constant_op() = message_;
82 return result;
83 }
84
GetFreshIds() const85 std::unordered_set<uint32_t> TransformationAddSpecConstantOp::GetFreshIds()
86 const {
87 return {message_.fresh_id()};
88 }
89
90 } // namespace fuzz
91 } // namespace spvtools
92