[llvm] [BOLT] Add support for safe-icf (PR #116275)

[Davide Italiano via llvm-commits]

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@@ -36,6 +36,14 @@ class IdenticalCodeFolding : public BinaryFunctionPass {
 
   const char *getName() const override { return "identical-code-folding"; }
   Error runOnFunctions(BinaryContext &BC) override;
+
+private:
+  /// Create a skip list of functions that should not be folded.
+  Error createFoldSkipList(BinaryContext &BC);
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dcci wrote:

I think a skip list is a well known data structure in literature, so it's confusing. 

https://github.com/llvm/llvm-project/pull/116275