Noah Goldstein 2232843160 [ValueTracking] Recognize X op (X != 0) as non-zero ...

The ops supported are: `add`, `sub`, `xor`, `or`, `umax`, `uadd.sat`

Proofs: https://alive2.llvm.org/ce/z/8ZMSRg

The `add` case actually comes up in SPECInt, the rest are here mostly
for completeness.

Closes #88579

2024-05-20 15:25:40 -05:00

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