Jeremy Morse 96f37ae453 [NFC] Use initial-stack-allocations for more data structures (#110544) ...

This replaces some of the most frequent offenders of using a DenseMap that
cause a malloc, where the typical element-count is small enough to fit in
an initial stack allocation.

Most of these are fairly obvious, one to highlight is the collectOffset
method of GEP instructions: if there's a GEP, of course it's going to have
at least one offset, but every time we've called collectOffset we end up
calling malloc as well for the DenseMap in the MapVector.

2024-09-30 23:15:18 +01:00

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