[polly] [Polly] Distribute the innermost point loop of tile over its statements (PR #225844)

[Timur Baidusenov via llvm-commits]

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@@ -548,6 +576,161 @@ ScheduleTreeOptimizer::applyTileBandOpt(isl::schedule_node Node) {
   return Node;
 }
 
+isl::schedule_node
+ScheduleTreeOptimizer::distributeInnermostLoop(isl::schedule_node Node,
+                                               const Dependences *D) {
+  // This runs within a quota of isl operations. Every isl result that is used
+  // in a condition, iterated over or dereferenced is checked for an error
+  // first; in that case the band is left as it is.
+  if (Node.is_null() || !isSimpleInnermostBand(Node))
+    return Node;
+
+  isl::union_set Domain = Node.get_domain();
+  if (Domain.is_null())
+    return Node;
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bai-tim wrote:

Done

https://github.com/llvm/llvm-project/pull/225844