[llvm] [FuncSpec] Improve accounting of specialization codesize growth (PR #113448)

[Alexandros Lamprineas via llvm-commits]

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@@ -924,16 +932,14 @@ bool FunctionSpecializer::findSpecializations(Function *F, unsigned FuncSize,
       }
       CodeSize += Visitor.getCodeSizeSavingsFromPendingPHIs();
 
+      unsigned CodeSizeSavings = getCostValue(CodeSize);
+      unsigned CodeSizeCost = FuncSize - CodeSizeSavings;
+
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labrinea wrote:

I think we can sink these two back in the lambda where the TODO note was. I would rename CodeSizeCost to SpecSize.

https://github.com/llvm/llvm-project/pull/113448