| // Copyright (c) 2018 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/opt/strip_reflect_info_pass.h" |
| |
| #include <cstring> |
| #include <vector> |
| |
| #include "source/opt/instruction.h" |
| #include "source/opt/ir_context.h" |
| |
| namespace spvtools { |
| namespace opt { |
| |
| Pass::Status StripReflectInfoPass::Process() { |
| bool modified = false; |
| |
| std::vector<Instruction*> to_remove; |
| |
| bool other_uses_for_decorate_string = false; |
| for (auto& inst : context()->module()->annotations()) { |
| switch (inst.opcode()) { |
| case SpvOpDecorateStringGOOGLE: |
| if (inst.GetSingleWordInOperand(1) == SpvDecorationHlslSemanticGOOGLE) { |
| to_remove.push_back(&inst); |
| } else { |
| other_uses_for_decorate_string = true; |
| } |
| break; |
| |
| case SpvOpMemberDecorateStringGOOGLE: |
| if (inst.GetSingleWordInOperand(2) == SpvDecorationHlslSemanticGOOGLE) { |
| to_remove.push_back(&inst); |
| } else { |
| other_uses_for_decorate_string = true; |
| } |
| break; |
| |
| case SpvOpDecorateId: |
| if (inst.GetSingleWordInOperand(1) == |
| SpvDecorationHlslCounterBufferGOOGLE) { |
| to_remove.push_back(&inst); |
| } |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| for (auto& inst : context()->module()->extensions()) { |
| const char* ext_name = |
| reinterpret_cast<const char*>(&inst.GetInOperand(0).words[0]); |
| if (0 == std::strcmp(ext_name, "SPV_GOOGLE_hlsl_functionality1")) { |
| to_remove.push_back(&inst); |
| } else if (!other_uses_for_decorate_string && |
| 0 == std::strcmp(ext_name, "SPV_GOOGLE_decorate_string")) { |
| to_remove.push_back(&inst); |
| } |
| } |
| |
| for (auto* inst : to_remove) { |
| modified = true; |
| context()->KillInst(inst); |
| } |
| |
| return modified ? Status::SuccessWithChange : Status::SuccessWithoutChange; |
| } |
| |
| } // namespace opt |
| } // namespace spvtools |