[llvm] [DFAJumpThreading] Preserve BFI and BPI during unfolding selects (PR #162262)

[Hongyu Chen via llvm-commits]

XChy wrote:

> Are BFI/BPI expected to be available at the pipeline position where DFAJumpThreading runs?

Rechecked the pipeline; BFI/BPI is actually unavailable. I was confused by the call graph of the profiler, assuming BFI/BPI available...
Sorry for wasting time. Close it now.

https://github.com/llvm/llvm-project/pull/162262