isl_map_simplify.c: div_find_coalesce: reserve negative return value for failure
commitfedf63b925a7804af06ce26eea2d83bbb263ba3a
authorSven Verdoolaege <skimo@kotnet.org>
Tue, 16 Aug 2016 15:22:01 +0000 (16 17:22 +0200)
committerSven Verdoolaege <sven.verdoolaege@gmail.com>
Sun, 2 Sep 2018 15:14:53 +0000 (2 17:14 +0200)
treebe70f0f811f59a27080a6ded21d3b476c5fe071c
parent86f3bb74c1f519802a30eb3f0186834054390a1d
isl_map_simplify.c: div_find_coalesce: reserve negative return value for failure

In particular, if no suitable integer division can be found, then
return a position beyond the integer divisions instead of a negative value.

Signed-off-by: Sven Verdoolaege <sven.verdoolaege@gmail.com>
isl_map_simplify.c