llvm-project

24c2ba07 - [InstCombine] Drop NSW when converting `shl X, BW - 1` back into mul (#121633)

[InstCombine] Drop NSW when converting `shl X, BW - 1` back into mul (#121633) `X <<s BW - 1` and `X *s INT_MIN` are not equivalent. Alive2: https://alive2.llvm.org/ce/z/MKKFrj Closes https://github.com/llvm/llvm-project/issues/121584