[clang] [KeyInstr][Clang] Ret atom (PR #134652)

[Jeremy Morse via cfe-commits]

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@@ -1118,6 +1118,8 @@ void CodeGenFunction::EmitBranchThroughCleanup(JumpDest Dest) {
 
   // Create the branch.
   llvm::BranchInst *BI = Builder.CreateBr(Dest.getBlock());
+  // This is the primary instruction for this atom, acting in place of a ret.
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jmorse wrote:

I think in isolation this comment will be hard to understand, particularly relating it to a `ret`. Perhaps "this atom" -> "the source atom leaving this scope"?

https://github.com/llvm/llvm-project/pull/134652