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

[Robert Imschweiler via llvm-commits]

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@@ -645,6 +645,36 @@ LoopInfoBase<BlockT, LoopT>::getLoopsInReverseSiblingPreorder() const {
   return PreOrderLoops;
 }
 
+template <class BlockT, class LoopT>
+LoopT *LoopInfoBase<BlockT, LoopT>::getSmallestCommonLoop(LoopT *A,
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ro-i wrote:

innermost ig?

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