[llvm-branch-commits] [llvm] [polly] [IR] Add CallBr intrinsics support (PR #133907)

[Robert Imschweiler via llvm-branch-commits]

ro-i wrote:

Rebased on https://github.com/llvm/llvm-project/pull/152161 (+ some small cleanups)

https://github.com/llvm/llvm-project/pull/133907