[CodeGen] Use std::bitset for MachineFunctionProperties #94627
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The size of the properties is fixed, so no need for a SmallVector. At most a minor improvement, though.
This was a BitVector, not a SmallVector |
Yeah, fixed that, thanks. BitVector is implemented on the top of a SmallVector, though. ;) |
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The size of the properties is fixed, so no need for a SmallVector. Assigning small, fixed-size bitsets is faster.
It's a minor performance improvement, see here.