llvm-project

a1afe66f - [SCEV] Generalize (C * A /u C) -> A fold to (C1 * A /u C2) -> C1/C2 * A. (#157159)

[SCEV] Generalize (C * A /u C) -> A fold to (C1 * A /u C2) -> C1/C2 * A. (#157159) Generalize fold added in 74ec38fad0a1289 (https://github.com/llvm/llvm-project/pull/156730) to support multiplying and dividing by different constants, given they are both powers-of-2 and C1 is a multiple of C2, checked via logBase2. https://alive2.llvm.org/ce/z/eqJ2xj PR: https://github.com/llvm/llvm-project/pull/157159