diff --git a/llvm/utils/lit/lit/TestingConfig.py b/llvm/utils/lit/lit/TestingConfig.py
--- a/llvm/utils/lit/lit/TestingConfig.py
+++ b/llvm/utils/lit/lit/TestingConfig.py
@@ -30,6 +30,7 @@
             'LLDB',
             'LD_PRELOAD',
             'LLVM_SYMBOLIZER_PATH',
+            'LLVM_PROFILE_FILE',
             'ASAN_SYMBOLIZER_PATH',
             'HWASAN_SYMBOLIZER_PATH',
             'LSAN_SYMBOLIZER_PATH',