[PATCH] D157458: [X86] Run X86FastPreTileConfigPass only with FastISel.

[Matt Arsenault via Phabricator via llvm-commits]

arsenm requested changes to this revision.
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Herald added a subscriber: wdng.

Post-selection code should not be tolerant of registers without a class. It is unequivocally a bug for a used register to pass selection without a class dead or not


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  https://reviews.llvm.org/D157458/new/

https://reviews.llvm.org/D157458