[llvm] [AMDGPU][FixIrreducible][UnifyLoopExits] Support callbr with inline-asm (PR #149308)

[Michael Kruse via llvm-commits]

================
@@ -342,3 +345,56 @@ std::pair<BasicBlock *, bool> ControlFlowHub::finalize(
 
   return {FirstGuardBlock, true};
 }
+
+template <typename TI, typename T>
+static bool updateCycleLoopInfo(TI *LCI, BasicBlock *CallBrBlock,
----------------
Meinersbur wrote:

Could you add a doxygen deswcription about what this is updating?

https://github.com/llvm/llvm-project/pull/149308