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

[Matt Arsenault via llvm-commits]

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@@ -118,6 +122,35 @@ struct ControlFlowHub {
            std::optional<unsigned> MaxControlFlowBooleans = std::nullopt);
 
   SmallVector<BranchDescriptor> Branches;
+
+  /**
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arsenm wrote:

C++ style comment 

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