[libc] [libcxx] [lldb] [clang] [compiler-rt] [clang-tools-extra] [mlir] [flang] [llvm] intrinsic to generate a bfi instruction (PR #79672)

[Yingchi Long via llvm-commits]

https://github.com/inclyc commented:

Also I kindly wonder if this intrinsic is necessary for optimization/codegen. Why not prefer inline assembly?

https://github.com/llvm/llvm-project/pull/79672