Merge pull request #2065 from devitocodes/hotfix-unexpansion

compiler: Patch data dependencies across Jumps
devitocodes · Feb 13, 2023 · 405b113 · 405b113
2 parents 24c64cf + 37e549e
commit 405b113
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/devito/ir/support/basic.py b/devito/ir/support/basic.py
@@ -2,6 +2,7 @@
 
 from cached_property import cached_property
 from sympy import S
+from sympy.tensor.indexed import IndexException
 
 from devito.ir.support.space import Backward, IterationSpace
 from devito.ir.support.utils import AccessMode
@@ -822,7 +823,10 @@ def __init__(self, exprs, rules=None):
                     f = a.function
                     indices = [i if d in e.ispace else S.Infinity
                                for i, d in zip(a, a.aindices)]
-                    mock = f.indexify(indices)
+                    try:
+                        mock = f.indexify(indices)
+                    except IndexException:
+                        continue
                     v = self.writes.setdefault(f, [])
                     v.extend([TimedAccess(mock, 'R', i, e.ispace),
                               TimedAccess(mock, 'W', i, e.ispace)])