isl_ast_build_expr.c: is_parallel_or_opposite: add minor optimization
commitde5c7299545ba2ab46c190bad205e2ae2e20a6c0
authorSven Verdoolaege <sven@cerebras.net>
Fri, 2 Jul 2021 10:00:35 +0000 (2 12:00 +0200)
committerSven Verdoolaege <sven@cerebras.net>
Sun, 6 Aug 2023 12:43:25 +0000 (6 14:43 +0200)
tree9174a066ba7b8258addf15b7a1a27cdddf447ad3
parentc20bbaf064d8539c8dfda6c178f17b5612064bbd
isl_ast_build_expr.c: is_parallel_or_opposite: add minor optimization

If the coefficient to be checked is zero, then no further checks
are needed.

Signed-off-by: Sven Verdoolaege <sven@cerebras.net>
isl_ast_build_expr.c