[llvm-branch-commits] [SPARC][IAS] Rework ASI tag matching in prep for `ParseForAllFeatures` (PR #96020)

[via llvm-branch-commits]

================
@@ -1085,13 +1085,24 @@ ParseStatus SparcAsmParser::parseASITag(OperandVector &Operands) {
   SMLoc E = Parser.getTok().getEndLoc();
   int64_t ASIVal = 0;
 
-  if (is64Bit() && (getLexer().getKind() == AsmToken::Hash)) {
+  switch (getLexer().getKind()) {
+  case AsmToken::LParen:
+  case AsmToken::Integer:
+  case AsmToken::Identifier:
+  case AsmToken::Plus:
+  case AsmToken::Minus:
+  case AsmToken::Tilde:
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koachan wrote:

> Also, optionally, add a parseExpression method that returns NoMatch if the first token can't start an expression and Success/Failure if it can and expression parsing succeeded/failed.

Hmm, not sure how would I use this in the ASI/Prefetch tag parsing...
I'm thinking about calling `parseExpression` then checking if the return value is a `Success` before further checking if the returned value is in range for each tag type, but apparently comparing `ParseStatus`es is an error?
```
[clang] (typecheck_invalid_operands) Invalid operands to binary expression ('ParseStatus' and 'const StatusTy')
```

https://github.com/llvm/llvm-project/pull/96020