[lld] [lld][MachO] rename to bp-* options for SectionOrderer (PR #118594)

[Ellis Hoag via llvm-commits]

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@@ -1838,34 +1838,54 @@ bool link(ArrayRef<const char *> argsArr, llvm::raw_ostream &stdoutOS,
       if (const Arg *arg = args.getLastArgNoClaim(OPT_call_graph_profile_sort))
         error(firstArgStr + " is incompatible with " + arg->getSpelling());
   };
+  if (args.hasArg(OPT_irpgo_profile_sort) ||
+      args.hasArg(OPT_irpgo_profile_sort_eq))
+    warn("--irpgo-profile-sort is deprecated. Please use "
+         "--bp-startup-sort=function");
+  if (const Arg *arg = args.getLastArg(OPT_irpgo_profile_eq)) {
+    config->irpgoProfilePath = arg->getValue();
+  }
   if (const Arg *arg = args.getLastArg(OPT_irpgo_profile_sort)) {
-    config->irpgoProfileSortProfilePath = arg->getValue();
+    config->irpgoProfilePath = arg->getValue();
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ellishg wrote:

We need to set this to preserve the original behavior.
```suggestion
    config->irpgoProfilePath = arg->getValue();
    config->bpStartupFunctionSort = true;
```

https://github.com/llvm/llvm-project/pull/118594