[compiler-rt] [llvm] [compiler-rt][X86] Unify getIntelProcessorTypeAndSubtype (PR #97861)

[Phoebe Wang via llvm-commits]

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@@ -646,10 +657,102 @@ static const char *getIntelProcessorTypeAndSubtype(unsigned Family,
       *Type = INTEL_KNM;
       break;
 
-    default: // Unknown family 6 CPU.
+    default: // Unknown family 6 CPU, try to guess.
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phoebewang wrote:

I recall I saw discussion somewhere says it's not proved returning a guessed CPU is better than unknown one.

https://github.com/llvm/llvm-project/pull/97861