diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 1175022..2ac34a6 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1643,12 +1643,8 @@
     Opts.setMSPointerToMemberRepresentationMethod(InheritanceModel);
   }
 
-  // Check if -fopenmp= is specified.
-  if (const Arg *A = Args.getLastArg(options::OPT_fopenmp_EQ)) {
-    Opts.OpenMP = llvm::StringSwitch<bool>(A->getValue())
-        .Case("libiomp5", true)
-        .Default(false);
-  }
+  // Check if -fopenmp is specified.
+  Opts.OpenMP = Args.hasArg(options::OPT_fopenmp);
 
   // Record whether the __DEPRECATED define was requested.
   Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro,