[lldb] [flang] [llvm] [compiler-rt] [clang-tools-extra] [mlir] [libcxx] [clang] [libc] [AArch64] add intrinsic to generate a bfi instruction (PR #79672)

[Rama Malladi via cfe-commits]

RamaMalladiAWS wrote:

> @RamaMalladiAWS Do you have examples of the IR that fails to lower to BFI? These things often turn out to be either a missing middle-end canonicalization or maybe a case that could be added to existing pattern matching in the back-end.

Yes, @RKSimon, I will try to get some test-cases in the next couple of days and we can evaluate the issues if any. Thank you.

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