Andreas Jonson 70e6e17675 [InferAlign] Eliminate trunc ptr to log2(align) pattern (#176562) ...

Fold trunc ptrtoint/ptrtoaddr to N -> 0 when all N bits are zero due to
alignment.

To Avoid regression due to icmp_ne(and(x,1),0) -> trunc(x) fold
https://github.com/llvm/llvm-project/issues/172888

Proof: https://alive2.llvm.org/ce/z/ZS-QJL

2026-01-17 17:00:07 +01:00

6.5 KiB

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