1 files changed, 28 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/utils/TableGen/ClangOptionDocEmitter.cpp b/contrib/llvm-project/clang/utils/TableGen/ClangOptionDocEmitter.cpp
index 6c24ad2bdcc5..75f5d057c33a 100644
--- a/contrib/llvm-project/clang/utils/TableGen/ClangOptionDocEmitter.cpp
+++ b/contrib/llvm-project/clang/utils/TableGen/ClangOptionDocEmitter.cpp
@@ -168,6 +168,29 @@ bool hasFlag(const Record *OptionOrGroup, StringRef OptionFlag) {
   return false;
 }
 
+bool isIncluded(const Record *OptionOrGroup, const Record *DocInfo) {
+  assert(DocInfo->getValue("IncludedFlags") && "Missing includeFlags");
+  for (StringRef Inclusion : DocInfo->getValueAsListOfStrings("IncludedFlags"))
+    if (hasFlag(OptionOrGroup, Inclusion))
+      return true;
+  return false;
+}
+
+bool isGroupIncluded(const DocumentedGroup &Group, const Record *DocInfo) {
+  if (isIncluded(Group.Group, DocInfo))
+    return true;
+  for (auto &O : Group.Options)
+    if (isIncluded(O.Option, DocInfo))
+      return true;
+  for (auto &G : Group.Groups) {
+    if (isIncluded(G.Group, DocInfo))
+      return true;
+    if (isGroupIncluded(G, DocInfo))
+      return true;
+  }
+  return false;
+}
+
 bool isExcluded(const Record *OptionOrGroup, const Record *DocInfo) {
   // FIXME: Provide a flag to specify the set of exclusions.
   for (StringRef Exclusion : DocInfo->getValueAsListOfStrings("ExcludedFlags"))
@@ -304,6 +327,8 @@ void emitOption(const DocumentedOption &Option, const Record *DocInfo,
                 raw_ostream &OS) {
   if (isExcluded(Option.Option, DocInfo))
     return;
+  if (DocInfo->getValue("IncludedFlags") && !isIncluded(Option.Option, DocInfo))
+    return;
   if (Option.Option->getValueAsDef("Kind")->getName() == "KIND_UNKNOWN" ||
       Option.Option->getValueAsDef("Kind")->getName() == "KIND_INPUT")
     return;
@@ -379,6 +404,9 @@ void emitGroup(int Depth, const DocumentedGroup &Group, const Record *DocInfo,
   if (isExcluded(Group.Group, DocInfo))
     return;
 
+  if (DocInfo->getValue("IncludedFlags") && !isGroupIncluded(Group, DocInfo))
+    return;
+
   emitHeading(Depth,
               getRSTStringWithTextFallback(Group.Group, "DocName", "Name"), OS);