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[v1 Maintenance] Back port MapExpansion fixes from v2 #2257

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Merged
tbennun merged 2 commits into from
Dec 25, 2025
+5 −1
Merged

[v1 Maintenance] Back port MapExpansion fixes from v2 #2257

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eaf3e11
Backport `MapExpansion` fixes from v2
FlorianDeconinck Dec 23, 2025
b234118
Merge branch 'v1/maintenance' into fix/v1/map_expansion
FlorianDeconinck Dec 24, 2025
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6 changes: 5 additions & 1 deletion dace/transformation/dataflow/map_expansion.py
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Original file line number Diff line number Diff line change
Expand Up @@ -136,10 +136,14 @@ def apply(self, graph: dace.SDFGState, sdfg: dace.SDFG):
graph.add_edge(entries[-1], edge.src_conn, edge.dst, edge.dst_conn, memlet=copy.deepcopy(edge.data))
graph.remove_edge(edge)

if graph.in_degree(map_entry) == 0:
if graph.in_degree(map_entry) == 0 or all(
e.dst_conn is None or not e.dst_conn.startswith("IN_")
for e in graph.in_edges(map_entry)):
graph.add_memlet_path(map_entry, *entries, memlet=dace.Memlet())
else:
for edge in graph.in_edges(map_entry):
if edge.dst_conn is None:
continue
if not edge.dst_conn.startswith("IN_"):
continue

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