[llvm-branch-commits] [clang] [LifetimeSafety] Track per-field origins for record types (PR #195603)

[Utkarsh Saxena via llvm-branch-commits]

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@@ -66,47 +67,71 @@ struct Origin {
   }
 };
 
-/// A list of origins representing levels of indirection for pointer-like types.
+/// A tree of origins representing the structure of a pointer-like or
+/// record type.
 ///
-/// Each node in the list contains an OriginID representing a level of
-/// indirection. The list structure captures the multi-level nature of
-/// pointer and reference types in the lifetime analysis.
+/// Each node carries an OriginID and is connected to children via labeled
+/// edges: either a pointee edge (one level of pointer/reference indirection)
+/// or a field edge (a named field of a record). Pointer-like types form a
+/// pointee chain; record types fan out via field edges.
 ///
 /// Examples:
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usx95 wrote:

Can you please add examples where this is a tree.

https://github.com/llvm/llvm-project/pull/195603