[llvm] [StableHash] Implement stable global name for the hash computation (PR #106156)

[Kyungwoo Lee via llvm-commits]

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@@ -50,6 +50,22 @@ inline stable_hash stable_hash_combine(stable_hash A, stable_hash B,
   return stable_hash_combine(Hashes);
 }
 
+// Removes suffixes introduced by LLVM from the name to enhance stability and
+// maintain closeness to the original name across different builds.
+inline StringRef get_stable_name(StringRef Name) {
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kyulee-com wrote:

I prefer to keep this function separate instead of being directly inlined into the `stable_hash_name` below in place, as I plan to extend it further for global outlining or merging.

https://github.com/llvm/llvm-project/pull/106156