[clang] [lld] [lldb] [llvm] [Option] Emit the Info table from TableGen. NFC (PR #224508)

[Fangrui Song via cfe-commits]

================
@@ -57,27 +57,14 @@ enum ID {
 };
 
 namespace rc_opt {
-#define OPTTABLE_STR_TABLE_CODE
+#define OPTTABLE_CODE
 #include "Opts.inc"
-#undef OPTTABLE_STR_TABLE_CODE
-
-#define OPTTABLE_PREFIXES_TABLE_CODE
-#include "Opts.inc"
-#undef OPTTABLE_PREFIXES_TABLE_CODE
-
-static constexpr opt::OptTable::Info InfoTable[] = {
-#define OPTION(...) LLVM_CONSTRUCT_OPT_INFO(__VA_ARGS__),
-#include "Opts.inc"
-#undef OPTION
-};
+#undef OPTTABLE_CODE
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MaskRay wrote:

Good idead!
Updating the emitter to write `#undef OPTTABLE_CODE, #undef OPTTABLE_STR_TABLE_CODE, and #undef OPTTABLE_VALUES_CODE` at the end of their blocks, and all 49 consumers lose the matching #undef lines

https://github.com/llvm/llvm-project/pull/224508