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

[Davide Italiano via llvm-commits]

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@@ -341,6 +344,75 @@ typedef std::unordered_map<BinaryFunction *, std::vector<BinaryFunction *>,
 namespace llvm {
 namespace bolt {
 
+void IdenticalCodeFolding::processDataRelocations(
+    BinaryContext &BC, const SectionRef &SecRefRelData) {
+  for (const RelocationRef &Rel : SecRefRelData.relocations()) {
+    symbol_iterator SymbolIter = Rel.getSymbol();
+    const ObjectFile *OwningObj = Rel.getObject();
+    assert(SymbolIter != OwningObj->symbol_end() &&
+           "relocation Symbol expected");
+    const SymbolRef &Symbol = *SymbolIter;
+    const uint64_t SymbolAddress = cantFail(Symbol.getAddress());
+    const ELFObjectFileBase *ELFObj = dyn_cast<ELFObjectFileBase>(OwningObj);
+    if (!ELFObj)
+      assert(false && "Only ELFObjectFileBase is supported");
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dcci wrote:

`assert(false)` -> `llvm_unreachable()`

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