70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
// Copyright (c) 2018 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/val/validate.h"
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#include "source/val/validation_state.h"
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namespace spvtools {
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namespace val {
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spv_result_t ValidateExecutionLimitations(ValidationState_t& _,
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const Instruction* inst) {
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if (inst->opcode() != spv::Op::OpFunction) {
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return SPV_SUCCESS;
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}
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const auto func = _.function(inst->id());
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if (!func) {
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return _.diag(SPV_ERROR_INTERNAL, inst)
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<< "Internal error: missing function id " << inst->id() << ".";
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}
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for (uint32_t entry_id : _.FunctionEntryPoints(inst->id())) {
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const auto* models = _.GetExecutionModels(entry_id);
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if (models) {
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if (models->empty()) {
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return _.diag(SPV_ERROR_INTERNAL, inst)
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<< "Internal error: empty execution models for function id "
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<< entry_id << ".";
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}
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for (const auto model : *models) {
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std::string reason;
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if (!func->IsCompatibleWithExecutionModel(model, &reason)) {
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return _.diag(SPV_ERROR_INVALID_ID, inst)
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<< "OpEntryPoint Entry Point <id> " << _.getIdName(entry_id)
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<< "s callgraph contains function <id> "
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<< _.getIdName(inst->id())
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<< ", which cannot be used with the current execution "
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"model:\n"
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<< reason;
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}
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}
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}
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std::string reason;
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if (!func->CheckLimitations(_, _.function(entry_id), &reason)) {
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return _.diag(SPV_ERROR_INVALID_ID, inst)
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<< "OpEntryPoint Entry Point <id> " << _.getIdName(entry_id)
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<< "s callgraph contains function <id> " << _.getIdName(inst->id())
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<< ", which cannot be used with the current execution "
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"modes:\n"
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<< reason;
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}
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}
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return SPV_SUCCESS;
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}
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} // namespace val
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} // namespace spvtools
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