diff --git a/clang/lib/Parse/ParsePragma.cpp b/clang/lib/Parse/ParsePragma.cpp
--- a/clang/lib/Parse/ParsePragma.cpp
+++ b/clang/lib/Parse/ParsePragma.cpp
@@ -4041,7 +4041,6 @@
 
   PP.Lex(Tok);
   II = Tok.getIdentifierInfo();
-  StringRef IntrinsicClass = II->getName();
   if (!II || !(II->isStr("vector") || II->isStr("sifive_vector"))) {
     PP.Diag(Tok.getLocation(), diag::warn_pragma_invalid_argument)
         << PP.getSpelling(Tok) << "riscv" << /*Expected=*/true
@@ -4056,8 +4055,8 @@
     return;
   }
 
-  if (IntrinsicClass == "vector")
+  if (II->isStr("vector"))
     Actions.DeclareRISCVVBuiltins = true;
-  else if (IntrinsicClass == "sifive_vector")
+  else if (II->isStr("sifive_vector"))
     Actions.DeclareRISCVVectorBuiltins = true;
 }