[DRAFT][AIEX] Improve pre-sched decisions for Post-SWP candidates #429
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andcarminati
requested review from
abhinay-anubola,
abnikant,
F-Stuckmann,
gbossu,
katerynamuts,
khallouh,
konstantinschwarz,
martien-de-jong,
niwinanto,
SagarMaheshwari99 and
stephenneuendorffer
as code owners
andcarminati
commented
Apr 8, 2025
| @@ -190,4 +190,51 @@ bool hasUnrollPragma(const Loop *L) { | |||
| return false; | |||
| } | |||
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| /// Check if this block is a post-SWP candidate. | |||
| bool isPostSWPCandidate(const AIEBaseInstrInfo &TII, | |||
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Some refactoring opportunities.
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This is a trial to get a more consistent behavior for the PreRA Scheduler. Currently, for example. Now, we will look only to Post-SWP potential candidates to skip the pre scheduler. The affected test also shows that we could prevent pre-scheduling of non-ZOL loops with the current approach.