[llvm] [llvm-ifs] Handle more e_machine values for --target (PR #128559)

[Saleem Abdulrasool via llvm-commits]

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@@ -200,6 +200,71 @@ uint16_t ELF::convertArchNameToEMachine(StringRef Arch) {
       .Default(EM_NONE);
 }
 
+uint16_t ELF::convertTripleArchTypeToEMachine(Triple::ArchType ArchType) {
+  switch (ArchType) {
+  case Triple::UnknownArch:
+  default:
+    return EM_NONE;
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compnerd wrote:

Can we leave `default` out? I think that we want a covered switch?

https://github.com/llvm/llvm-project/pull/128559