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2 Commits

Author SHA1 Message Date
Max Kazantsev 4e87823026 [LoopLoadElim] Fix crash by always checking simplify form 
Loop simplify form should always be checked because logic of
propagateStoredValueToLoadUsers relies on it (in particular, it
requires preheader).

Reviewed By: Fedor Sergeev, Florian Hahn
Differential Revision: https://reviews.llvm.org/D77775
 2020-04-10 09:23:28 +07:00
Max Kazantsev 7adb9e06fd [LoopLoadElim] Add test showing that LoopLoadElim doesn't work correctly with new PM 2020-04-08 17:32:03 +07:00