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ScheduleOptimizer: Start with an empty union_map and add elements 

llvm-svn: 144900
This commit is contained in:
Tobias Grosser 2011-11-17 12:56:04 +00:00
parent 1ae9a60426
commit 6287201d6e
1 changed files with 2 additions and 5 deletions
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7
polly/lib/ScheduleOptimizer.cpp
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@ -299,7 +299,7 @@ static isl_union_map *getScheduleForBandList(isl_band_list *BandList) {
ctx = isl_band_list_get_ctx(BandList);
NumBands = isl_band_list_n_band(BandList);
Schedule = 0;
Schedule = isl_union_map_empty(isl_space_params_alloc(ctx, 0));
for (int i = 0; i < NumBands; i++) {
isl_band *Band;
@ -339,10 +339,7 @@ static isl_union_map *getScheduleForBandList(isl_band_list *BandList) {
}
}
if (Schedule)
Schedule = isl_union_map_union(Schedule, PartialSchedule);
else
Schedule = PartialSchedule;
Schedule = isl_union_map_union(Schedule, PartialSchedule);
isl_band_free(Band);
isl_space_free(Space);