1 files changed, 3 insertions, 2 deletions

diff --git a/tools/perf/util/c++/clang-test.cpp b/tools/perf/util/c++/clang-test.cpp
index 3da6bfa4bc54..0f484fbb2b58 100644
--- a/tools/perf/util/c++/clang-test.cpp
+++ b/tools/perf/util/c++/clang-test.cpp
@@ -16,8 +16,9 @@ int test__clang_to_IR(void)
         perf_clang_scope _scope;
 
         std::unique_ptr<llvm::Module> M =
-                perf::getModuleFromSource("perf-test.c",
-                                          "int myfunc(void) {return 1;}");
+                perf::getModuleFromSource({"-DRESULT=1"},
+                                          "perf-test.c",
+                                          "int myfunc(void) {return RESULT;}");
 
         if (!M)
                 return -1;