[FRONTEND] Support alternative install locations of system libdevice.10.bc (#951)

python/tests/libdevice_testutil.py

@@ -0,0 +1,18 @@
+import os
+from typing import Optional
+
+_SYSTEM_LIBDEVICE_SEARCH_PATHS = [
+    '/usr/lib/cuda/nvvm/libdevice/libdevice.10.bc',
+    '/usr/local/cuda/nvvm/libdevice/libdevice.10.bc',
+]
+
+SYSTEM_LIBDEVICE_PATH: Optional[str] = None
+for _p in _SYSTEM_LIBDEVICE_SEARCH_PATHS:
+    if os.path.exists(_p):
+        SYSTEM_LIBDEVICE_PATH = _p
+
+def system_libdevice_path() -> str:
+    assert SYSTEM_LIBDEVICE_PATH is not None, \
+        "Could not find libdevice.10.bc path"
+    return SYSTEM_LIBDEVICE_PATH
+