[llvm-bugs] [Bug 37569] IsPowerOfTwo not treating INT_MIN as a negative number

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=37569

Simon Pilgrim <llvm-dev at redking.me.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|new bugs                    |Common Code Generator Code
 Fixed By Commit(s)|                            |335717, 335719
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
            Product|new-bugs                    |libraries

--- Comment #1 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
rL335717 fixed the issue by preventing the combine.

rL335719 improved scalar/vector codegen by folding:
SDIV(X, MIN_SIGNED) -> SELECT(X == MIN_SIGNED, 1, 0)

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