diff --git a/llvm/include/llvm/Frontend/Driver/CodeGenOptions.h b/llvm/include/llvm/Frontend/Driver/CodeGenOptions.h
index 0180670c4c699..c51476e9ad3fe 100644
--- a/llvm/include/llvm/Frontend/Driver/CodeGenOptions.h
+++ b/llvm/include/llvm/Frontend/Driver/CodeGenOptions.h
@@ -33,7 +33,7 @@ enum class VectorLibrary {
   AMDLIBM             // AMD vector math library.
 };
 
-TargetLibraryInfoImpl *createTLII(llvm::Triple &TargetTriple,
+TargetLibraryInfoImpl *createTLII(const llvm::Triple &TargetTriple,
                                   VectorLibrary Veclib);
 
 } // end namespace llvm::driver
diff --git a/llvm/lib/Frontend/Driver/CodeGenOptions.cpp b/llvm/lib/Frontend/Driver/CodeGenOptions.cpp
index 2d74a91f62dc0..ed7c57a930aca 100644
--- a/llvm/lib/Frontend/Driver/CodeGenOptions.cpp
+++ b/llvm/lib/Frontend/Driver/CodeGenOptions.cpp
@@ -12,7 +12,7 @@
 
 namespace llvm::driver {
 
-TargetLibraryInfoImpl *createTLII(llvm::Triple &TargetTriple,
+TargetLibraryInfoImpl *createTLII(const llvm::Triple &TargetTriple,
                                   driver::VectorLibrary Veclib) {
   TargetLibraryInfoImpl *TLII = new TargetLibraryInfoImpl(TargetTriple);