llvm-project

0b24a0a6 - [RISCV] Lower masked shifted OR to QC_INSB (#233390)

[RISCV] Lower masked shifted OR to QC_INSB (#233390) Recognize `or (and X, MaskImm), (shl Y, ShAmt)` patterns and lower them to `QC_INSB` when the shifted value only writes bits cleared by the mask. Assisted by gpt-5.6-luna