Add option to build over skip in run-only

Author: ayylol

sycl/test-e2e/format.py

@@ -236,7 +236,7 @@ def get_extra_env(sycl_devices):
                 continue
 
             # Filter commands based on split-mode
-            is_run_line = unsplit_test or any(
+            is_run_line = (unsplit_test and test.config.fallback_build_run_only) or any(
                 i in directive.command
                 for i in ["%{run}", "%{run-unfiltered-devices}", "%if run-mode"]
             )

sycl/test-e2e/lit.cfg.py

@@ -45,7 +45,10 @@
 elif config.test_mode == "run-only":
     lit_config.note("run-only test mode enabled, only executing tests")
     config.available_features.add("run-mode")
-    config.available_features.add("build-and-run-mode")
+    config.fallback_build_run_only = False
+    if lit_config.params.get("build-instead-of-skip-run-only", False):
+        config.available_features.add("build-and-run-mode")
+        config.fallback_build_run_only = True
 elif config.test_mode == "build-only":
     lit_config.note("build-only test mode enabled, only compiling tests")
     config.sycl_devices = []