nits

Author: OCHyams

llvm/include/llvm/IR/DebugInfoMetadata.h

@@ -2267,18 +2267,21 @@ class DILocation : public MDNode {
                         getRawInlinedAt(), isImplicitCode(), getAtomGroup(),
                         getAtomRank());
   }
+
 public:
   uint64_t getAtomGroup() const {
 #ifdef EXPERIMENTAL_KEY_INSTRUCTIONS
     return AtomGroup;
-#endif
+#else
     return 0;
+#endif
   }
   uint8_t getAtomRank() const {
 #ifdef EXPERIMENTAL_KEY_INSTRUCTIONS
     return AtomRank;
-#endif
+#else
     return 0;
+#endif
   }
 
   // Disallow replacing operands.

llvm/lib/AsmParser/LLParser.cpp

@@ -5319,7 +5319,7 @@ bool LLParser::parseSpecializedMDNode(MDNode *&N, bool IsDistinct) {
 
 /// parseDILocationFields:
 ///   ::= !DILocation(line: 43, column: 8, scope: !5, inlinedAt: !6,
-///   isImplicitCode: true)
+///   isImplicitCode: true, atomGroup: 1, atomRank: 1)
 bool LLParser::parseDILocation(MDNode *&Result, bool IsDistinct) {
 #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED)                                    \
   OPTIONAL(line, LineField, );                                                 \