16069945621

Committed 04 Jul 2025 08:56AM UTC coverage: 64.375% (-0.2%) from 64.606%

Build # 16069945621

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push

github

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web-flow

Commit Message

Merge pull request #137 from daisytuner/clang-format

runs clang-format on codebase

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609 of 827 new or added lines in 63 files covered. (73.64%)

46 existing lines in 30 files now uncovered.

8578 of 13325 relevant lines covered (64.38%)

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73.0

/src/transformations/loop_interchange.cpp

#include "sdfg/transformations/loop_interchange.h"

#include "sdfg/analysis/scope_analysis.h"
#include "sdfg/structured_control_flow/structured_loop.h"

namespace sdfg {
namespace transformations {

LoopInterchange::LoopInterchange(
    structured_control_flow::StructuredLoop& outer_loop, structured_control_flow::StructuredLoop& inner_loop
)
    : outer_loop_(outer_loop), inner_loop_(inner_loop) {

      };

std::string LoopInterchange::name() const { return "LoopInterchange"; };

bool LoopInterchange::can_be_applied(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) {
    auto& outer_indvar = this->outer_loop_.indvar();

    // Criterion: Inner loop must not depend on outer loop
    auto& inner_loop_init = this->inner_loop_.init();
    auto& inner_loop_condition = this->inner_loop_.condition();
    auto& inner_loop_update = this->inner_loop_.update();
    if (symbolic::uses(inner_loop_init, outer_indvar->get_name()) ||
        symbolic::uses(inner_loop_condition, outer_indvar->get_name()) ||
        symbolic::uses(inner_loop_update, outer_indvar->get_name())) {
        return false;
    }

    // Criterion: Outer loop must not have any outer blocks
    if (outer_loop_.root().size() > 1) {
        return false;
    }
    if (outer_loop_.root().at(0).second.assignments().size() > 0) {
        return false;
    }
    if (&outer_loop_.root().at(0).first != &inner_loop_) {
        return false;
    }
    // Criterion: Any of both loops is a map
    if (dynamic_cast<structured_control_flow::Map*>(&outer_loop_) ||
        dynamic_cast<structured_control_flow::Map*>(&inner_loop_)) {
        return true;
    }

    return false;
};

void LoopInterchange::apply(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) {
    auto& scope_analysis = analysis_manager.get<analysis::ScopeAnalysis>();
    auto& outer_scope = static_cast<structured_control_flow::Sequence&>(*scope_analysis.parent_scope(&outer_loop_));
    auto& inner_scope = static_cast<structured_control_flow::Sequence&>(*scope_analysis.parent_scope(&inner_loop_));

    // Add new outer loop behind current outer loop
    structured_control_flow::StructuredLoop* new_outer_loop = nullptr;
    if (auto inner_map = dynamic_cast<structured_control_flow::Map*>(&inner_loop_)) {
        new_outer_loop = &builder
                              .add_map_after(
                                  outer_scope,
                                  this->outer_loop_,
                                  inner_map->indvar(),
                                  inner_map->condition(),
                                  inner_map->init(),
                                  inner_map->update(),
                                  inner_map->schedule_type()
                              )
                              .first;
    } else {
        new_outer_loop = &builder
                              .add_for_after(
                                  outer_scope,
                                  this->outer_loop_,
                                  this->inner_loop_.indvar(),
                                  this->inner_loop_.condition(),
                                  this->inner_loop_.init(),
                                  this->inner_loop_.update()
                              )
                              .first;
    }

    // Add new inner loop behind current inner loop
    structured_control_flow::StructuredLoop* new_inner_loop = nullptr;
    if (auto outer_map = dynamic_cast<structured_control_flow::Map*>(&outer_loop_)) {
        new_inner_loop = &builder
                              .add_map_after(
                                  inner_scope,
                                  this->inner_loop_,
                                  outer_map->indvar(),
                                  outer_map->condition(),
                                  outer_map->init(),
                                  outer_map->update(),
                                  outer_map->schedule_type()
                              )
                              .first;
    } else {
        new_inner_loop = &builder
                              .add_for_after(
                                  inner_scope,
                                  this->inner_loop_,
                                  this->outer_loop_.indvar(),
                                  this->outer_loop_.condition(),
                                  this->outer_loop_.init(),
                                  this->outer_loop_.update()
                              )
                              .first;
    }

    // Insert inner loop body into new inner loop
    auto& inner_body = this->inner_loop_.root();
    builder.insert_children(new_inner_loop->root(), inner_body, 0);

    // Insert outer loop body into new outer loop
    auto& outer_body = this->outer_loop_.root();
    builder.insert_children(new_outer_loop->root(), outer_body, 0);

    // Remove old loops
    builder.remove_child(new_outer_loop->root(), this->inner_loop_);
    builder.remove_child(outer_scope, this->outer_loop_);

    analysis_manager.invalidate_all();
};

void LoopInterchange::to_json(nlohmann::json& j) const {
    j["transformation_type"] = this->name();
    j["outer_loop_element_id"] = this->outer_loop_.element_id();
    j["inner_loop_element_id"] = this->inner_loop_.element_id();
};

LoopInterchange LoopInterchange::from_json(builder::StructuredSDFGBuilder& builder, const nlohmann::json& desc) {
    auto outer_loop_id = desc["outer_loop_element_id"].get<size_t>();
    auto inner_loop_id = desc["inner_loop_element_id"].get<size_t>();
    auto outer_element = builder.find_element_by_id(outer_loop_id);
    auto inner_element = builder.find_element_by_id(inner_loop_id);
    if (!outer_element) {
        throw InvalidTransformationDescriptionException(
            "Element with ID " + std::to_string(outer_loop_id) + " not found."
        );
    }
    if (!inner_element) {
        throw InvalidTransformationDescriptionException(
            "Element with ID " + std::to_string(inner_loop_id) + " not found."
        );
    }
    auto outer_loop = dynamic_cast<structured_control_flow::StructuredLoop*>(outer_element);
    auto inner_loop = dynamic_cast<structured_control_flow::StructuredLoop*>(inner_element);

    return LoopInterchange(*outer_loop, *inner_loop);
};

} // namespace transformations
} // namespace sdfg

1	#include "sdfg/transformations/loop_interchange.h"
2
3	#include "sdfg/analysis/scope_analysis.h"
4	#include "sdfg/structured_control_flow/structured_loop.h"
5
6	namespace sdfg {
7	namespace transformations {
8
9	LoopInterchange::LoopInterchange(	6✔
10	structured_control_flow::StructuredLoop& outer_loop, structured_control_flow::StructuredLoop& inner_loop
11	)
12	: outer_loop_(outer_loop), inner_loop_(inner_loop) {	6✔
13
14	};	6✔
15
16	std::string LoopInterchange::name() const { return "LoopInterchange"; };	2✔
17
18	bool LoopInterchange::can_be_applied(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) {	6✔
19	auto& outer_indvar = this->outer_loop_.indvar();	6✔
20
21	// Criterion: Inner loop must not depend on outer loop
22	auto& inner_loop_init = this->inner_loop_.init();	6✔
23	auto& inner_loop_condition = this->inner_loop_.condition();	6✔
24	auto& inner_loop_update = this->inner_loop_.update();	6✔
25	if (symbolic::uses(inner_loop_init, outer_indvar->get_name()) \|\|	12✔
26	symbolic::uses(inner_loop_condition, outer_indvar->get_name()) \|\|	11✔
27	symbolic::uses(inner_loop_update, outer_indvar->get_name())) {	5✔
28	return false;	1✔
29	}
30
31	// Criterion: Outer loop must not have any outer blocks
32	if (outer_loop_.root().size() > 1) {	5✔
33	return false;	1✔
34	}
35	if (outer_loop_.root().at(0).second.assignments().size() > 0) {	4✔
36	return false;	×
37	}
38	if (&outer_loop_.root().at(0).first != &inner_loop_) {	4✔
39	return false;	×
40	}
41	// Criterion: Any of both loops is a map
42	if (dynamic_cast<structured_control_flow::Map*>(&outer_loop_) \|\|	4✔
43	dynamic_cast<structured_control_flow::Map*>(&inner_loop_)) {	×
44	return true;	4✔
45	}
46
47	return false;	×
48	};	6✔
49
50	void LoopInterchange::apply(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) {	4✔
51	auto& scope_analysis = analysis_manager.get<analysis::ScopeAnalysis>();	4✔
52	auto& outer_scope = static_cast<structured_control_flow::Sequence&>(*scope_analysis.parent_scope(&outer_loop_));	4✔
53	auto& inner_scope = static_cast<structured_control_flow::Sequence&>(*scope_analysis.parent_scope(&inner_loop_));	4✔
54
55	// Add new outer loop behind current outer loop
56	structured_control_flow::StructuredLoop* new_outer_loop = nullptr;	4✔
57	if (auto inner_map = dynamic_cast<structured_control_flow::Map*>(&inner_loop_)) {	4✔
58	new_outer_loop = &builder	8✔
59	.add_map_after(	4✔
60	outer_scope,	4✔
61	this->outer_loop_,	4✔
62	inner_map->indvar(),	4✔
63	inner_map->condition(),	4✔
64	inner_map->init(),	4✔
65	inner_map->update(),	4✔
66	inner_map->schedule_type()	4✔
67	)
68	.first;	4✔
69	} else {	4✔
NEW 70	new_outer_loop = &builder	×
NEW 71	.add_for_after(	×
NEW 72	outer_scope,	×
NEW 73	this->outer_loop_,	×
NEW 74	this->inner_loop_.indvar(),	×
NEW 75	this->inner_loop_.condition(),	×
NEW 76	this->inner_loop_.init(),	×
NEW 77	this->inner_loop_.update()	×
78	)
NEW 79	.first;	×
80	}
81
82	// Add new inner loop behind current inner loop
83	structured_control_flow::StructuredLoop* new_inner_loop = nullptr;	4✔
84	if (auto outer_map = dynamic_cast<structured_control_flow::Map*>(&outer_loop_)) {	4✔
85	new_inner_loop = &builder	8✔
86	.add_map_after(	4✔
87	inner_scope,	4✔
88	this->inner_loop_,	4✔
89	outer_map->indvar(),	4✔
90	outer_map->condition(),	4✔
91	outer_map->init(),	4✔
92	outer_map->update(),	4✔
93	outer_map->schedule_type()	4✔
94	)
95	.first;	4✔
96	} else {	4✔
NEW 97	new_inner_loop = &builder	×
NEW 98	.add_for_after(	×
NEW 99	inner_scope,	×
NEW 100	this->inner_loop_,	×
NEW 101	this->outer_loop_.indvar(),	×
NEW 102	this->outer_loop_.condition(),	×
NEW 103	this->outer_loop_.init(),	×
NEW 104	this->outer_loop_.update()	×
105	)
NEW 106	.first;	×
107	}
108
109	// Insert inner loop body into new inner loop
110	auto& inner_body = this->inner_loop_.root();	4✔
111	builder.insert_children(new_inner_loop->root(), inner_body, 0);	4✔
112
113	// Insert outer loop body into new outer loop
114	auto& outer_body = this->outer_loop_.root();	4✔
115	builder.insert_children(new_outer_loop->root(), outer_body, 0);	4✔
116
117	// Remove old loops
118	builder.remove_child(new_outer_loop->root(), this->inner_loop_);	4✔
119	builder.remove_child(outer_scope, this->outer_loop_);	4✔
120
121	analysis_manager.invalidate_all();	4✔
122	};	4✔
123
124	void LoopInterchange::to_json(nlohmann::json& j) const {	2✔
125	j["transformation_type"] = this->name();	2✔
126	j["outer_loop_element_id"] = this->outer_loop_.element_id();	2✔
127	j["inner_loop_element_id"] = this->inner_loop_.element_id();	2✔
128	};	2✔
129
130	LoopInterchange LoopInterchange::from_json(builder::StructuredSDFGBuilder& builder, const nlohmann::json& desc) {	1✔
131	auto outer_loop_id = desc["outer_loop_element_id"].get<size_t>();	1✔
132	auto inner_loop_id = desc["inner_loop_element_id"].get<size_t>();	1✔
133	auto outer_element = builder.find_element_by_id(outer_loop_id);	1✔
134	auto inner_element = builder.find_element_by_id(inner_loop_id);	1✔
135	if (!outer_element) {	1✔
136	throw InvalidTransformationDescriptionException(	×
NEW 137	"Element with ID " + std::to_string(outer_loop_id) + " not found."	×
138	);
139	}
140	if (!inner_element) {	1✔
141	throw InvalidTransformationDescriptionException(	×
NEW 142	"Element with ID " + std::to_string(inner_loop_id) + " not found."	×
143	);
144	}
145	auto outer_loop = dynamic_cast<structured_control_flow::StructuredLoop*>(outer_element);	1✔
146	auto inner_loop = dynamic_cast<structured_control_flow::StructuredLoop*>(inner_element);	1✔
147
148	return LoopInterchange(outer_loop, inner_loop);	1✔
149	};	×
150
151	} // namespace transformations
152	} // namespace sdfg

daisytuner / sdfglib / 16069945621

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