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Revision tags: llvmorg-18.1.8, llvmorg-18.1.7, llvmorg-18.1.6, llvmorg-18.1.5, llvmorg-18.1.4, llvmorg-18.1.3, llvmorg-18.1.2
# 744a23f2 10-Mar-2024 Noah Goldstein <goldstein.w.n@gmail.com>

[ValueTracking] Use select condition to help infer bits of arms

If we have something like `(select (icmp ult x, 8), x, y)`, we can use
the `(icmp ult x, 8)` to help compute the knownbits of `x`.

Cl

[ValueTracking] Use select condition to help infer bits of arms

If we have something like `(select (icmp ult x, 8), x, y)`, we can use
the `(icmp ult x, 8)` to help compute the knownbits of `x`.

Closes #84699

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# 882992a9 10-Mar-2024 Noah Goldstein <goldstein.w.n@gmail.com>

[ValueTracking] Add tests for inferring select arm bits from condition; NFC