================
@@ -58,31 +56,82 @@ static RegisterType getRegisterType(ResourceClass RC) {
llvm_unreachable("unexpected ResourceClass value");
}
-static RegisterType getRegisterType(StringRef Slot) {
+// Converts the first letter of string Slot to RegisterType.
+// Returns false if the letter does not correspond to a valid register type.
+static bool convertToRegisterType(StringRef Slot, RegisterType *RT) {
----------------
hekota wrote:
Well, I tried to do it with `Expected<RegisterType>` and while does make the
`convertToRegisterType` function smaller, checking of the results got more
complicated because LLVM forces the error string/whatever to be checked. I'll
leave it as is.
https://github.com/llvm/llvm-project/pull/111203
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