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daisytuner / sdfglib / 18558780296

16 Oct 2025 10:49AM UTC coverage: 61.233% (-0.3%) from 61.523%
18558780296

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Merge pull request #279 from daisytuner/ext-prefix

Separate Dominance Analysis and Codegen for Linker with Prefixes

62 of 95 new or added lines in 26 files covered. (65.26%)

13 existing lines in 7 files now uncovered.

8981 of 14667 relevant lines covered (61.23%)

98.73 hits per line

Source File
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0.0
/src/data_flow/library_nodes/stdlib/malloc.cpp
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#include "sdfg/data_flow/library_nodes/stdlib/malloc.h"
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namespace sdfg {
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namespace stdlib {
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MallocNode::MallocNode(
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    size_t element_id,
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    const DebugInfo& debug_info,
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    const graph::Vertex vertex,
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    data_flow::DataFlowGraph& parent,
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    const symbolic::Expression size
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)
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    : LibraryNode(
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          element_id,
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          debug_info,
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          vertex,
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          parent,
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          LibraryNodeType_Malloc,
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          {"_ret"},
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          {},
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          true,
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          data_flow::ImplementationType_NONE
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      ),
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      size_(size) {}
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const symbolic::Expression MallocNode::size() const { return size_; }
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void MallocNode::validate(const Function& function) const {}
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symbolic::SymbolSet MallocNode::symbols() const { return symbolic::atoms(this->size_); }
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std::unique_ptr<data_flow::DataFlowNode> MallocNode::
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    clone(size_t element_id, const graph::Vertex vertex, data_flow::DataFlowGraph& parent) const {
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    return std::make_unique<MallocNode>(element_id, debug_info_, vertex, parent, size_);
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}
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void MallocNode::replace(const symbolic::Expression old_expression, const symbolic::Expression new_expression) {
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    this->size_ = symbolic::subs(this->size_, old_expression, new_expression);
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}
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nlohmann::json MallocNodeSerializer::serialize(const data_flow::LibraryNode& library_node) {
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    const MallocNode& node = static_cast<const MallocNode&>(library_node);
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    nlohmann::json j;
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    j["code"] = node.code().value();
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    sdfg::serializer::JSONSerializer serializer;
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    j["size"] = serializer.expression(node.size());
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    return j;
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}
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data_flow::LibraryNode& MallocNodeSerializer::deserialize(
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    const nlohmann::json& j, builder::StructuredSDFGBuilder& builder, structured_control_flow::Block& parent
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) {
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    assert(j.contains("code"));
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    assert(j.contains("debug_info"));
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    assert(j.contains("size"));
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    auto code = j["code"].get<std::string>();
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    if (code != LibraryNodeType_Malloc.value()) {
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        throw InvalidSDFGException("Invalid library node code");
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    }
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    sdfg::serializer::JSONSerializer serializer;
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    DebugInfo debug_info = serializer.json_to_debug_info(j["debug_info"]);
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    auto size = symbolic::parse(j.at("size"));
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    return builder.add_library_node<MallocNode>(parent, debug_info, size);
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}
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MallocNodeDispatcher::MallocNodeDispatcher(
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    codegen::LanguageExtension& language_extension,
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    const Function& function,
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    const data_flow::DataFlowGraph& data_flow_graph,
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    const MallocNode& node
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)
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    : codegen::LibraryNodeDispatcher(language_extension, function, data_flow_graph, node) {}
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void MallocNodeDispatcher::dispatch_code(
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    codegen::PrettyPrinter& stream,
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    codegen::PrettyPrinter& globals_stream,
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    codegen::CodeSnippetFactory& library_snippet_factory
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) {
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    auto& malloc_node = static_cast<const MallocNode&>(node_);
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    stream << malloc_node.outputs().at(0);
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    stream << " = ";
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    stream << language_extension_.external_prefix() << "malloc(" << language_extension_.expression(malloc_node.size()) << ")" << ";";
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    stream << std::endl;
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}
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} // namespace stdlib
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} // namespace sdfg
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