Alexis Engelke 1e743732e7 [RegAllocFast] Use uint16_t SparseT for LiveRegMap ...

For functions with very large numbers of live variables, lookups into
LiveRegMap previously detoriated to linear searches.

This slightly increases memory usage, but that is barely measurable.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D149330

2023-04-27 18:58:49 +02:00

55 KiB

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