[flang-commits] [clang] [flang] [llvm] [Passes] Port -print-pipeline-passes to PassesOptions (PR #230220)

[Fangrui Song via flang-commits]

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@@ -49,8 +58,16 @@ multiclass OptionalBoolField<string name, string help> {
 multiclass EnumField<string name, string type, code default, string values,
                      list<code> enumerators, string help> {
   def NAME : SeparateOrEq<["-", "--"], name>, Field<NAME, type, default>,
-    Values<values>, NormalizedValues<enumerators>,
-    MetaVarName<"<"#!subst(",", "|", values)#">">, HelpText<help>;
+    EnumValues<values, enumerators>, HelpText<help>;
+}
+
+// An EnumField also set to <bare> by -<name> without a value. It never consumes
+// the next argument.
----------------
MaskRay wrote:

switched to
```
// An EnumField that -<name> alone sets to <bare>; <default> applies when the
// option is absent. -<name> doesn't consume the next argument.
```

https://github.com/llvm/llvm-project/pull/230220