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[MaximalStaticExpansion] Replace isl foreach calls with for loops 

llvm-svn: 337243
This commit is contained in:
Tobias Grosser 2018-07-17 06:33:34 +00:00
parent 91f851b11a
commit 3867bae74b
1 changed files with 6 additions and 11 deletions
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17
polly/lib/Transform/MaximalStaticExpansion.cpp
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@ -140,11 +140,10 @@ isl::union_map MaximalStaticExpander::filterDependences(
isl::union_map MapDependences = isl::union_map::empty(S.getParamSpace());
Dependences.foreach_map([&MapDependences, &AccessDomainId,
&SAI](isl::map Map) -> isl::stat {
for (isl::map Map : Dependences.get_map_list()) {
// Filter out Statement to Statement dependences.
if (!Map.can_curry())
return isl::stat::ok;
continue;
// Intersect with the relevant SAI.
auto TmpMapDomainId =
@ -154,20 +153,18 @@ isl::union_map MaximalStaticExpander::filterDependences(
static_cast<ScopArrayInfo *>(TmpMapDomainId.get_user());
if (SAI != UserSAI)
return isl::stat::ok;
continue;
// Get the correct S1[] -> S2[] dependence.
auto NewMap = Map.factor_domain();
auto NewMapDomainId = NewMap.domain().get_tuple_id();
if (AccessDomainId.get() != NewMapDomainId.get())
return isl::stat::ok;
continue;
// Add the corresponding map to MapDependences.
MapDependences = MapDependences.add_map(NewMap);
return isl::stat::ok;
});
}
return MapDependences;
}
@ -193,10 +190,8 @@ bool MaximalStaticExpander::isExpandable(
for (auto Write : Writes) {
auto MapDeps = filterDependences(S, Dependences, Write);
MapDeps.foreach_map([&WriteDomain](isl::map Map) -> isl::stat {
for (isl::map Map : MapDeps.get_map_list())
WriteDomain = WriteDomain.add_set(Map.range());
return isl::stat::ok;
});
}
// For now, read from original scalar is not possible.