20770413849

Committed 06 Jan 2026 10:50PM UTC coverage: 62.168% (+21.4%) from 40.764%

Build # 20770413849

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push

github

Committed by

web-flow

Commit Message

Merge pull request #433 from daisytuner/clang-coverage

updates clang coverage flags

Run Details

14988 of 24109 relevant lines covered (62.17%)

88.57 hits per line

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73.74

/src/codegen/code_generators/c_code_generator.cpp

#include "sdfg/codegen/code_generators/c_code_generator.h"

#include "sdfg/codegen/dispatchers/node_dispatcher_registry.h"

namespace sdfg {
namespace codegen {

std::string CCodeGenerator::function_definition() {
    /********** Arglist **********/
    std::vector<std::string> args;
    for (auto& container : this->sdfg_.arguments()) {
        args.push_back(language_extension_.declaration(container, this->sdfg_.type(container)));
    }

    std::stringstream arglist;
    arglist << sdfg::helpers::join(args, ", ");
    std::string arglist_str = arglist.str();
    if (arglist_str.empty()) {
        arglist_str = "void";
    }

    return "extern " + this->language_extension_.declaration("", sdfg_.return_type()) + this->externals_prefix_ +
           sdfg_.name() + "(" + arglist_str + ")";
};

void CCodeGenerator::emit_capture_context_init(std::ostream& ofs_source) const {
    std::string name = sdfg_.name();
    std::string arg_capture_path = sdfg_.metadata().at("arg_capture_path");

    ofs_source << "static void* __capture_ctx;" << std::endl;
    ofs_source << "static void __attribute__((constructor(1000))) __capture_ctx_init(void) {" << std::endl;
    ofs_source << "\t__capture_ctx = __daisy_capture_init(\"" << name << "\", \"" << arg_capture_path << "\");"
               << std::endl;
    ofs_source << "}" << std::endl;
    ofs_source << std::endl;
}

void CCodeGenerator::dispatch_includes() {
    this->includes_stream_ << "#include <math.h>" << std::endl;
    this->includes_stream_ << "#include <alloca.h>" << std::endl;
    this->includes_stream_ << "#include <malloc.h>" << std::endl;
    this->includes_stream_ << "#include <stdbool.h>" << std::endl;
    this->includes_stream_ << "#include <stdio.h>" << std::endl;
    this->includes_stream_ << "#include <stdlib.h>" << std::endl;
    this->includes_stream_ << "#include <string.h>" << std::endl;
    this->includes_stream_ << "#include <cblas.h>" << std::endl;
    this->includes_stream_ << "#include <stdint.h>" << std::endl;
    this->includes_stream_ << "#include <daisy_rtl/daisy_rtl.h>" << std::endl;
};

void CCodeGenerator::dispatch_structures() {
    // Forward declarations
    for (auto& structure : sdfg_.structures()) {
        this->classes_stream_ << "typedef struct " << structure << " " << structure << ";" << std::endl;
    }

    // Generate topology-sorted structure definitions
    typedef boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS> structures_graph;
    typedef boost::graph_traits<structures_graph>::vertex_descriptor Vertex;
    std::vector<std::string> names;
    for (auto& structure : sdfg_.structures()) {
        names.push_back(structure);
    }
    structures_graph graph(names.size());

    for (auto& structure : names) {
        auto& definition = sdfg_.structure(structure);
        for (size_t i = 0; i < definition.num_members(); i++) {
            auto member_type = &definition.member_type(symbolic::integer(i));
            while (dynamic_cast<const types::Array*>(member_type)) {
                auto array_type = static_cast<const types::Array*>(member_type);
                member_type = &array_type->element_type();
            }

            if (auto member_structure = dynamic_cast<const sdfg::types::Structure*>(member_type)) {
                boost::add_edge(
                    std::find(names.begin(), names.end(), member_structure->name()) - names.begin(),
                    std::find(names.begin(), names.end(), structure) - names.begin(),
                    graph
                );
            }
        }
    }

    std::list<Vertex> order;
    std::unordered_map<Vertex, boost::default_color_type> vertex_colors;
    boost::topological_sort(
        graph, std::back_inserter(order), boost::color_map(boost::make_assoc_property_map(vertex_colors))
    );
    order.reverse();

    for (auto& structure_index : order) {
        std::string structure = names.at(structure_index);
        auto& definition = sdfg_.structure(structure);
        this->classes_stream_ << "typedef struct ";
        if (definition.is_packed()) {
            this->classes_stream_ << "__attribute__((packed)) ";
        }
        this->classes_stream_ << structure << std::endl;
        this->classes_stream_ << "{\n";

        for (size_t i = 0; i < definition.num_members(); i++) {
            auto& member_type = definition.member_type(symbolic::integer(i));
            if (auto pointer_type = dynamic_cast<const sdfg::types::Pointer*>(&member_type)) {
                if (pointer_type->has_pointee_type() &&
                    dynamic_cast<const sdfg::types::Structure*>(&pointer_type->pointee_type())) {
                    this->classes_stream_ << "struct ";
                }
            }
            this->classes_stream_
                << language_extension_.declaration("member_" + std::to_string(i), member_type, false, true);
            this->classes_stream_ << ";" << std::endl;
        }

        this->classes_stream_ << "} " << structure << ";" << std::endl;
    }
};

void CCodeGenerator::dispatch_globals() {
    // Declare globals
    for (auto& container : sdfg_.externals()) {
        // Function declarations
        if (dynamic_cast<const types::Function*>(&sdfg_.type(container))) {
            // Declare function
            this->globals_stream_ << "extern ";
            this->globals_stream_
                << language_extension_.declaration(this->externals_prefix_ + container, sdfg_.type(container)) << ";"
                << std::endl;
            continue;
        }

        // Other types must be pointers
        auto& type = dynamic_cast<const types::Pointer&>(sdfg_.type(container));
        assert(type.has_pointee_type() && "Externals must have a pointee type");
        auto& base_type = type.pointee_type();

        if (sdfg_.linkage_type(container) == LinkageType_External) {
            this->globals_stream_ << "extern "
                                  << language_extension_.declaration(this->externals_prefix_ + container, base_type)
                                  << ";" << std::endl;
        } else {
            this->globals_stream_ << "static "
                                  << language_extension_.declaration(this->externals_prefix_ + container, base_type);
            if (!type.initializer().empty()) {
                this->globals_stream_ << " = " << type.initializer();
            }
            this->globals_stream_ << ";" << std::endl;
        }
    }
};

void CCodeGenerator::dispatch_schedule() {
    // Allocate variables
    for (auto& container : sdfg_.containers()) {
        if (sdfg_.is_external(container)) {
            continue;
        }
        auto& type = sdfg_.type(container);

        // Declare transient
        if (sdfg_.is_transient(container)) {
            std::string val = this->language_extension_.declaration(container, sdfg_.type(container), false, true);
            if (!val.empty()) {
                this->main_stream_ << val;
                this->main_stream_ << ";" << std::endl;
            }
        }

        if (type.storage_type().allocation() == types::StorageType::AllocationType::Managed) {
            assert(
                !type.storage_type().allocation_size().is_null() &&
                "Managed allocations must have a valid allocation size"
            );
            if (type.storage_type().is_cpu_stack()) {
                this->main_stream_ << container << " = ";
                this->main_stream_
                    << "alloca(" << this->language_extension_.expression(type.storage_type().allocation_size()) << ")";
                this->main_stream_ << ";" << std::endl;
            } else if (type.storage_type().is_cpu_heap()) {
                this->main_stream_ << container << " = ";
                this->main_stream_ << this->externals_prefix_ << "malloc("
                                   << this->language_extension_.expression(type.storage_type().allocation_size())
                                   << ")";
                this->main_stream_ << ";" << std::endl;
            } else if (type.storage_type().is_nv_generic()) {
                this->main_stream_ << "cudaSetDevice(0);" << std::endl;
                this->main_stream_ << "cudaMalloc(&" << container << ", "
                                   << this->language_extension_.expression(type.storage_type().allocation_size())
                                   << ");" << std::endl;
            }
        }
    }

    auto dispatcher = create_dispatcher(
        language_extension_, sdfg_, analysis_manager_, sdfg_.root(), instrumentation_plan_, arg_capture_plan_
    );
    dispatcher->dispatch(this->main_stream_, this->globals_stream_, *this->library_snippet_factory_);

    if (sdfg_.root().size() == 0 ||
        !dynamic_cast<const structured_control_flow::Return*>(&(sdfg_.root().at(sdfg_.root().size() - 1)).first)) {
        // Free heap allocations
        for (auto& container : sdfg_.containers()) {
            if (sdfg_.is_external(container)) {
                continue;
            }
            auto& type = sdfg_.type(container);

            // Free if needed
            if (type.storage_type().deallocation() == types::StorageType::AllocationType::Managed) {
                if (type.storage_type().is_cpu_heap()) {
                    this->main_stream_ << this->externals_prefix_ << "free(" << container << ");" << std::endl;
                } else if (type.storage_type().is_nv_generic()) {
                    this->main_stream_ << "cudaSetDevice(0);" << std::endl;
                    this->main_stream_ << "cudaFree(" << container << ");" << std::endl;
                }
            }
        }
    }
};

} // namespace codegen
} // namespace sdfg

1	#include "sdfg/codegen/code_generators/c_code_generator.h"
2
3	#include "sdfg/codegen/dispatchers/node_dispatcher_registry.h"
4
5	namespace sdfg {
6	namespace codegen {
7
8	std::string CCodeGenerator::function_definition() {	1✔
9	/******** Arglist ********/
10	std::vector<std::string> args;	1✔
11	for (auto& container : this->sdfg_.arguments()) {	1✔
12	args.push_back(language_extension_.declaration(container, this->sdfg_.type(container)));	×
13	}	×
14
15	std::stringstream arglist;	1✔
16	arglist << sdfg::helpers::join(args, ", ");	1✔
17	std::string arglist_str = arglist.str();	1✔
18	if (arglist_str.empty()) {	1✔
19	arglist_str = "void";	1✔
20	}	1✔
21
22	return "extern " + this->language_extension_.declaration("", sdfg_.return_type()) + this->externals_prefix_ +	1✔
23	sdfg_.name() + "(" + arglist_str + ")";	1✔
24	};	1✔
25
26	void CCodeGenerator::emit_capture_context_init(std::ostream& ofs_source) const {	×
27	std::string name = sdfg_.name();	×
28	std::string arg_capture_path = sdfg_.metadata().at("arg_capture_path");	×
29
30	ofs_source << "static void* __capture_ctx;" << std::endl;	×
31	ofs_source << "static void __attribute__((constructor(1000))) __capture_ctx_init(void) {" << std::endl;	×
32	ofs_source << "\t__capture_ctx = __daisy_capture_init(\"" << name << "\", \"" << arg_capture_path << "\");"	×
33	<< std::endl;	×
34	ofs_source << "}" << std::endl;	×
35	ofs_source << std::endl;	×
36	}	×
37
38	void CCodeGenerator::dispatch_includes() {	10✔
39	this->includes_stream_ << "#include <math.h>" << std::endl;	10✔
40	this->includes_stream_ << "#include <alloca.h>" << std::endl;	10✔
41	this->includes_stream_ << "#include <malloc.h>" << std::endl;	10✔
42	this->includes_stream_ << "#include <stdbool.h>" << std::endl;	10✔
43	this->includes_stream_ << "#include <stdio.h>" << std::endl;	10✔
44	this->includes_stream_ << "#include <stdlib.h>" << std::endl;	10✔
45	this->includes_stream_ << "#include <string.h>" << std::endl;	10✔
46	this->includes_stream_ << "#include <cblas.h>" << std::endl;	10✔
47	this->includes_stream_ << "#include <stdint.h>" << std::endl;	10✔
48	this->includes_stream_ << "#include <daisy_rtl/daisy_rtl.h>" << std::endl;	10✔
49	};	10✔
50
51	void CCodeGenerator::dispatch_structures() {	10✔
52	// Forward declarations
53	for (auto& structure : sdfg_.structures()) {	10✔
54	this->classes_stream_ << "typedef struct " << structure << " " << structure << ";" << std::endl;	3✔
55	}	3✔
56
57	// Generate topology-sorted structure definitions
58	typedef boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS> structures_graph;	10✔
59	typedef boost::graph_traits<structures_graph>::vertex_descriptor Vertex;	10✔
60	std::vector<std::string> names;	10✔
61	for (auto& structure : sdfg_.structures()) {	10✔
62	names.push_back(structure);	3✔
63	}	3✔
64	structures_graph graph(names.size());	10✔
65
66	for (auto& structure : names) {	10✔
67	auto& definition = sdfg_.structure(structure);	3✔
68	for (size_t i = 0; i < definition.num_members(); i++) {	6✔
69	auto member_type = &definition.member_type(symbolic::integer(i));	3✔
70	while (dynamic_cast<const types::Array*>(member_type)) {	3✔
71	auto array_type = static_cast<const types::Array*>(member_type);	×
72	member_type = &array_type->element_type();	×
73	}	×
74
75	if (auto member_structure = dynamic_cast<const sdfg::types::Structure*>(member_type)) {	3✔
76	boost::add_edge(	1✔
77	std::find(names.begin(), names.end(), member_structure->name()) - names.begin(),	1✔
78	std::find(names.begin(), names.end(), structure) - names.begin(),	1✔
79	graph	1✔
80	);	1✔
81	}	1✔
82	}	3✔
83	}	3✔
84
85	std::list<Vertex> order;	10✔
86	std::unordered_map<Vertex, boost::default_color_type> vertex_colors;	10✔
87	boost::topological_sort(	10✔
88	graph, std::back_inserter(order), boost::color_map(boost::make_assoc_property_map(vertex_colors))	10✔
89	);	10✔
90	order.reverse();	10✔
91
92	for (auto& structure_index : order) {	10✔
93	std::string structure = names.at(structure_index);	3✔
94	auto& definition = sdfg_.structure(structure);	3✔
95	this->classes_stream_ << "typedef struct ";	3✔
96	if (definition.is_packed()) {	3✔
97	this->classes_stream_ << "__attribute__((packed)) ";	×
98	}	×
99	this->classes_stream_ << structure << std::endl;	3✔
100	this->classes_stream_ << "{\n";	3✔
101
102	for (size_t i = 0; i < definition.num_members(); i++) {	6✔
103	auto& member_type = definition.member_type(symbolic::integer(i));	3✔
104	if (auto pointer_type = dynamic_cast<const sdfg::types::Pointer*>(&member_type)) {	3✔
105	if (pointer_type->has_pointee_type() &&	×
106	dynamic_cast<const sdfg::types::Structure*>(&pointer_type->pointee_type())) {	×
107	this->classes_stream_ << "struct ";	×
108	}	×
109	}	×
110	this->classes_stream_	3✔
111	<< language_extension_.declaration("member_" + std::to_string(i), member_type, false, true);	3✔
112	this->classes_stream_ << ";" << std::endl;	3✔
113	}	3✔
114
115	this->classes_stream_ << "} " << structure << ";" << std::endl;	3✔
116	}	3✔
117	};	10✔
118
119	void CCodeGenerator::dispatch_globals() {	10✔
120	// Declare globals
121	for (auto& container : sdfg_.externals()) {	10✔
122	// Function declarations
123	if (dynamic_cast<const types::Function*>(&sdfg_.type(container))) {	1✔
124	// Declare function
125	this->globals_stream_ << "extern ";	×
126	this->globals_stream_	×
127	<< language_extension_.declaration(this->externals_prefix_ + container, sdfg_.type(container)) << ";"	×
128	<< std::endl;	×
129	continue;	×
130	}	×
131
132	// Other types must be pointers
133	auto& type = dynamic_cast<const types::Pointer&>(sdfg_.type(container));	1✔
134	assert(type.has_pointee_type() && "Externals must have a pointee type");	1✔
135	auto& base_type = type.pointee_type();	1✔
136
137	if (sdfg_.linkage_type(container) == LinkageType_External) {	1✔
138	this->globals_stream_ << "extern "	1✔
139	<< language_extension_.declaration(this->externals_prefix_ + container, base_type)	1✔
140	<< ";" << std::endl;	1✔
141	} else {	1✔
142	this->globals_stream_ << "static "	×
143	<< language_extension_.declaration(this->externals_prefix_ + container, base_type);	×
144	if (!type.initializer().empty()) {	×
145	this->globals_stream_ << " = " << type.initializer();	×
146	}	×
147	this->globals_stream_ << ";" << std::endl;	×
148	}	×
149	}	1✔
150	};	10✔
151
152	void CCodeGenerator::dispatch_schedule() {	10✔
153	// Allocate variables
154	for (auto& container : sdfg_.containers()) {	10✔
155	if (sdfg_.is_external(container)) {	8✔
156	continue;	1✔
157	}	1✔
158	auto& type = sdfg_.type(container);	7✔
159
160	// Declare transient
161	if (sdfg_.is_transient(container)) {	7✔
162	std::string val = this->language_extension_.declaration(container, sdfg_.type(container), false, true);	3✔
163	if (!val.empty()) {	3✔
164	this->main_stream_ << val;	3✔
165	this->main_stream_ << ";" << std::endl;	3✔
166	}	3✔
167	}	3✔
168
169	if (type.storage_type().allocation() == types::StorageType::AllocationType::Managed) {	7✔
170	assert(	4✔
171	!type.storage_type().allocation_size().is_null() &&	4✔
172	"Managed allocations must have a valid allocation size"	4✔
173	);	4✔
174	if (type.storage_type().is_cpu_stack()) {	4✔
175	this->main_stream_ << container << " = ";	×
176	this->main_stream_	×
177	<< "alloca(" << this->language_extension_.expression(type.storage_type().allocation_size()) << ")";	×
178	this->main_stream_ << ";" << std::endl;	×
179	} else if (type.storage_type().is_cpu_heap()) {	4✔
180	this->main_stream_ << container << " = ";	4✔
181	this->main_stream_ << this->externals_prefix_ << "malloc("	4✔
182	<< this->language_extension_.expression(type.storage_type().allocation_size())	4✔
183	<< ")";	4✔
184	this->main_stream_ << ";" << std::endl;	4✔
185	} else if (type.storage_type().is_nv_generic()) {	4✔
186	this->main_stream_ << "cudaSetDevice(0);" << std::endl;	×
187	this->main_stream_ << "cudaMalloc(&" << container << ", "	×
188	<< this->language_extension_.expression(type.storage_type().allocation_size())	×
189	<< ");" << std::endl;	×
190	}	×
191	}	4✔
192	}	7✔
193
194	auto dispatcher = create_dispatcher(	10✔
195	language_extension_, sdfg_, analysis_manager_, sdfg_.root(), instrumentation_plan_, arg_capture_plan_	10✔
196	);	10✔
197	dispatcher->dispatch(this->main_stream_, this->globals_stream_, *this->library_snippet_factory_);	10✔
198
199	if (sdfg_.root().size() == 0 \|\|	10✔
200	!dynamic_cast<const structured_control_flow::Return*>(&(sdfg_.root().at(sdfg_.root().size() - 1)).first)) {	10✔
201	// Free heap allocations
202	for (auto& container : sdfg_.containers()) {	10✔
203	if (sdfg_.is_external(container)) {	8✔
204	continue;	1✔
205	}	1✔
206	auto& type = sdfg_.type(container);	7✔
207
208	// Free if needed
209	if (type.storage_type().deallocation() == types::StorageType::AllocationType::Managed) {	7✔
210	if (type.storage_type().is_cpu_heap()) {	3✔
211	this->main_stream_ << this->externals_prefix_ << "free(" << container << ");" << std::endl;	3✔
212	} else if (type.storage_type().is_nv_generic()) {	3✔
213	this->main_stream_ << "cudaSetDevice(0);" << std::endl;	×
214	this->main_stream_ << "cudaFree(" << container << ");" << std::endl;	×
215	}	×
216	}	3✔
217	}	7✔
218	}	10✔
219	};	10✔
220
221	} // namespace codegen
222	} // namespace sdfg

daisytuner / sdfglib / 20770413849

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