| // 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/val/function.h" |
| #include "source/val/validate.h" |
| #include "source/val/validation_state.h" |
| |
| namespace spvtools { |
| namespace val { |
| |
| spv_result_t ValidateExecutionLimitations(ValidationState_t& _, |
| const Instruction* inst) { |
| if (inst->opcode() != SpvOpFunction) { |
| return SPV_SUCCESS; |
| } |
| |
| const auto func = _.function(inst->id()); |
| if (!func) { |
| return _.diag(SPV_ERROR_INTERNAL, inst) |
| << "Internal error: missing function id " << inst->id() << "."; |
| } |
| |
| for (uint32_t entry_id : _.FunctionEntryPoints(inst->id())) { |
| const auto* models = _.GetExecutionModels(entry_id); |
| if (models) { |
| if (models->empty()) { |
| return _.diag(SPV_ERROR_INTERNAL, inst) |
| << "Internal error: empty execution models for function id " |
| << entry_id << "."; |
| } |
| for (const auto model : *models) { |
| std::string reason; |
| if (!func->IsCompatibleWithExecutionModel(model, &reason)) { |
| return _.diag(SPV_ERROR_INVALID_ID, inst) |
| << "OpEntryPoint Entry Point <id> " << _.getIdName(entry_id) |
| << "s callgraph contains function <id> " |
| << _.getIdName(inst->id()) |
| << ", which cannot be used with the current execution " |
| "model:\n" |
| << reason; |
| } |
| } |
| } |
| |
| std::string reason; |
| if (!func->CheckLimitations(_, _.function(entry_id), &reason)) { |
| return _.diag(SPV_ERROR_INVALID_ID, inst) |
| << "OpEntryPoint Entry Point <id> " << _.getIdName(entry_id) |
| << "s callgraph contains function <id> " << _.getIdName(inst->id()) |
| << ", which cannot be used with the current execution " |
| "modes:\n" |
| << reason; |
| } |
| } |
| return SPV_SUCCESS; |
| } |
| |
| } // namespace val |
| } // namespace spvtools |