diff --git a/src/test/run-make/llvm-pass/llvm-function-pass.so.cc b/src/test/run-make/llvm-pass/llvm-function-pass.so.cc
index 4470c400760b8..880c9bce5628f 100644
--- a/src/test/run-make/llvm-pass/llvm-function-pass.so.cc
+++ b/src/test/run-make/llvm-pass/llvm-function-pass.so.cc
@@ -28,7 +28,12 @@ namespace {
 
     bool runOnFunction(Function &F) override;
 
-    const char *getPassName() const override {
+#if LLVM_VERSION_MAJOR >= 4
+    StringRef
+#else
+    const char *
+#endif
+    getPassName() const override {
       return "Some LLVM pass";
     }
 
diff --git a/src/test/run-make/llvm-pass/llvm-module-pass.so.cc b/src/test/run-make/llvm-pass/llvm-module-pass.so.cc
index 510375a5e6678..280eca7e8f015 100644
--- a/src/test/run-make/llvm-pass/llvm-module-pass.so.cc
+++ b/src/test/run-make/llvm-pass/llvm-module-pass.so.cc
@@ -27,7 +27,12 @@ namespace {
 
     bool runOnModule(Module &M) override;
 
-    const char *getPassName() const override {
+#if LLVM_VERSION_MAJOR >= 4
+    StringRef
+#else
+    const char *
+#endif
+    getPassName() const override {
       return "Some LLVM pass";
     }