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Generate predicates for non-root iteration variables as well #2258

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Dec 8, 2018
Merged

Generate predicates for non-root iteration variables as well #2258

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8 changes: 6 additions & 2 deletions src/schedule/message_passing.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -475,16 +475,20 @@ std::vector<Expr> MakeBoundCheck(
iset_dmap[kv.first->var.get()] = IntSet::range(kv.second);
}

for (IterVar iv : stage->op->root_iter_vars()) {
for (const IterVar& iv : stage->all_iter_vars) {
if (skip_iter.count(iv) || iv->iter_type == kOpaque) continue;
Range dom = dom_map.at(iv);
if (bound_state.at(iv)) {
Range dom = dom_map.at(iv);
Expr value = ComputeExpr<Sub>(value_map.at(iv), dom->min);
Expr vmax = EvalSet(value, iset_dmap).max();
if (vmax.type() != value.type() || !can_prove(vmax < dom->extent)) {
preds.emplace_back(value < dom->extent);
}
}
}
for (const IterVar& iv : stage->op->root_iter_vars()) {
if (skip_iter.count(iv) || iv->iter_type == kOpaque) continue;
Range dom = dom_map.at(iv);
CHECK(iv->dom.defined());
if (!skip_ivar_domain && !iv->dom.same_as(dom)) {
Expr value = ComputeExpr<Sub>(value_map.at(iv), iv->dom->min);
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