diff options
| -rw-r--r-- | polly/lib/Transform/ScheduleOptimizer.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/polly/lib/Transform/ScheduleOptimizer.cpp b/polly/lib/Transform/ScheduleOptimizer.cpp index 784c970ad63..36df4f23635 100644 --- a/polly/lib/Transform/ScheduleOptimizer.cpp +++ b/polly/lib/Transform/ScheduleOptimizer.cpp @@ -463,8 +463,10 @@ static bool containsMatrMult(__isl_keep isl_map *PartialSchedule) { /// /// @param IslMap The isl map to be modified. static __isl_give isl_map *circularShiftOutputDims(__isl_take isl_map *IslMap) { - auto InputDimsId = isl_map_get_tuple_id(IslMap, isl_dim_in); auto DimNum = isl_map_dim(IslMap, isl_dim_out); + if (DimNum == 0) + return IslMap; + auto InputDimsId = isl_map_get_tuple_id(IslMap, isl_dim_in); IslMap = isl_map_move_dims(IslMap, isl_dim_in, 0, isl_dim_out, DimNum - 1, 1); IslMap = isl_map_move_dims(IslMap, isl_dim_out, 0, isl_dim_in, 0, 1); return isl_map_set_tuple_id(IslMap, isl_dim_in, InputDimsId); |
