aengelke e6d3a4212d [CodeGen] Use SmallVector for FixedStackPSVs (#91760) ...

Frame indices are dense and consecutive, so use a vector instead of a
std::map. Due to possibly negative frame indices, use zig-zag encoding.
IndexedMap was not usable, as it attempted to copy the null value, which
is not possible with a std::unique_ptr.

This is just a minor performance improvement, but a low-hanging fruit.

2024-05-14 13:13:24 +02:00

4.9 KiB

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