================
@@ -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) {
----------------
damyanp wrote:
Probably not worth the effort...but maybe this is the sort of pattern we could
be using for this?
```suggestion
static Expected<RegisterType> convertToRegisterType(StringRef Slot {
```
https://github.com/llvm/llvm-project/pull/111203
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