llvm-project

2900d035 - [InstCombine] Propagate flags when folding consecutative shifts

[InstCombine] Propagate flags when folding consecutative shifts When we fold `(shift (shift C0, x), C1)` we can propagate flags that are common to both shifts. Proofs: https://alive2.llvm.org/ce/z/LkEzXD Closes #94872