Florian Hahn 995fd47944 [LAA] Make sure MaxVF for Store-Load forward safe dep distances is pow2. ...

MaxVF computed in couldPreventStoreLoadFowrard may not be a power of 2,
as CommonStride may not be a power-of-2.

This can cause crashes after 78777a20. Use bit_floor to make sure it is
a suitable power-of-2.

Fixes https://github.com/llvm/llvm-project/issues/134696.

2025-04-12 20:05:37 +01:00

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