diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index 09bc5f7..1e1ddf0 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -3315,6 +3315,9 @@
     if (!EatIfPresent(lltok::comma))
       break;
 
+    if (Lex.getKind() == lltok::NamedOrCustomMD)
+      break;
+
     if (ParseToken(lltok::lsquare, "expected '[' in phi value list") ||
         ParseValue(Ty, Op0, PFS) ||
         ParseToken(lltok::comma, "expected ',' after insertelement value") ||
@@ -3323,6 +3326,9 @@
       return true;
   }
 
+  if (Lex.getKind() == lltok::NamedOrCustomMD)
+    if (ParseOptionalCustomMetadata()) return true;
+
   if (!Ty->isFirstClassType())
     return Error(TypeLoc, "phi node must have first class type");