1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.cpp b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
index 3ec039285b3..edfca5f88a4 100644
--- a/llvm/lib/CodeGen/MIRParser/MIParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
@@ -100,6 +100,7 @@ public:
   bool parseStandaloneNamedRegister(unsigned &Reg);
   bool parseStandaloneVirtualRegister(unsigned &Reg);
   bool parseStandaloneStackObject(int &FI);
+  bool parseStandaloneMDNode(MDNode *&Node);
 
   bool
   parseBasicBlockDefinition(DenseMap<unsigned, MachineBasicBlock *> &MBBSlots);
@@ -677,6 +678,17 @@ bool MIParser::parseStandaloneStackObject(int &FI) {
   return false;
 }
 
+bool MIParser::parseStandaloneMDNode(MDNode *&Node) {
+  lex();
+  if (Token.isNot(MIToken::exclaim))
+    return error("expected a metadata node");
+  if (parseMDNode(Node))
+    return true;
+  if (Token.isNot(MIToken::Eof))
+    return error("expected end of string after the metadata node");
+  return false;
+}
+
 static const char *printImplicitRegisterFlag(const MachineOperand &MO) {
   assert(MO.isImplicit());
   return MO.isDef() ? "implicit-def" : "implicit";
@@ -1858,3 +1870,9 @@ bool llvm::parseStackObjectReference(int &FI, SourceMgr &SM,
   return MIParser(SM, MF, Error, Src, PFS, IRSlots)
       .parseStandaloneStackObject(FI);
 }
+
+bool llvm::parseMDNode(MDNode *&Node, SourceMgr &SM, MachineFunction &MF,
+                       StringRef Src, const PerFunctionMIParsingState &PFS,
+                       const SlotMapping &IRSlots, SMDiagnostic &Error) {
+  return MIParser(SM, MF, Error, Src, PFS, IRSlots).parseStandaloneMDNode(Node);
+}