[llvm] [RISCV][TableGen] Generate RISCVTargetParser.inc from the new RISCVExtension tblgen information. (PR #89335)

[Craig Topper via llvm-commits]

================
@@ -17,34 +17,34 @@
 
 using namespace llvm;
 
-using ISAInfoTy = llvm::Expected<std::unique_ptr<RISCVISAInfo>>;
-
 // We can generate march string from target features as what has been described
 // in RISC-V ISA specification (version 20191213) 'Chapter 27. ISA Extension
 // Naming Conventions'.
 //
 // This is almost the same as RISCVFeatures::parseFeatureBits, except that we
 // get feature name from feature records instead of feature bits.
-static std::string getMArch(const Record &Rec) {
-  std::vector<std::string> FeatureVector;
+static void printMArch(raw_ostream &OS, const Record &Rec) {
+  std::map<std::string, std::pair<unsigned, unsigned>,
+           RISCVISAInfo::ExtensionComparator>
----------------
topperc wrote:

I will eventually. I don't think there's a suitable place other than creating a new RISC-V specific file.

https://github.com/llvm/llvm-project/pull/89335