llvm-project

458dfbd8 - [SCEV] Fix sext handling for `getConstantMultiple` (#117093)

[SCEV] Fix sext handling for `getConstantMultiple` (#117093) Counterexample: 219 is a multiple of 73. But `sext i8 219 to i16 = 65499` is not. Fixes https://github.com/llvm/llvm-project/issues/116483.