[llvm] [InstCombine] Add freeze for lshr (mul (X, 2^N + 1)), N -> add (X, lshr(X, N)) (PR #96324)

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Sun Jul 7 12:03:57 PDT 2024

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AtariDreams wrote:

@dtcxzyw Thoughts?

https://github.com/llvm/llvm-project/pull/96324

Previous message: [llvm] [llvm][ValueTracking] ComputeNumSignBitsImpl - add basic handling of BITCAST nodes (PR #97967)
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