[llvm] Recommit "[DAGCombiner] Transform (icmp eq/ne (and X,C0),(shift X,C1)) to use rotate or to getter constants." (2nd Try) (PR #71729)

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Wed Nov 8 12:03:28 PST 2023

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goldsteinn wrote:

NB: I did an exhaustive test on all i8 shift/mask pairs offline. Was able to reproduce the bug and verify the fix.

https://github.com/llvm/llvm-project/pull/71729

Previous message: [llvm] Recommit "[DAGCombiner] Transform (icmp eq/ne (and X,C0),(shift X,C1)) to use rotate or to getter constants." (2nd Try) (PR #71729)
Next message: [llvm] Recommit "[DAGCombiner] Transform (icmp eq/ne (and X,C0),(shift X,C1)) to use rotate or to getter constants." (2nd Try) (PR #71729)
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