David Green 258e2e9a0b [ARM] Ensure loop invariant active.lane.mask operands ...

CGP can move instructions like a ptrtoint into a loop, but the
MVETailPredication when converting them will currently assume invariant
trip counts. This tries to ensure the operands are loop invariant, and
bails if not.

Differential Revision: https://reviews.llvm.org/D100550

2021-04-26 10:04:33 +01:00

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