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

[Alexander Yermolovich via llvm-commits]

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@@ -1945,6 +2017,28 @@ static void printDebugInfo(raw_ostream &OS, const MCInst &Instruction,
     OS << " discriminator:" << Row.Discriminator;
 }
 
+/// Skip instructions that are not interesting for safe ICF.
+static bool skipInstruction(const MCInst &Inst, const BinaryContext &BC) {
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ayermolo wrote:

Not sure if it's possible. Passes rely on Core. Putting it into ICF will create a circular dependency of Core relying on Passes.

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