change cds checker to accomdate llvm pass

[c11tester.git] / action.cc

diff --git a/action.cc b/action.cc
index d4c6253caf20c23411c60ba350a91760c386e6fc..c913b74c80daa134f4e1140c1b4ffb292d2882aa 100644 (file)
--- a/action.cc
+++ b/action.cc
@@ -482,13 +482,23 @@ Node * ModelAction::get_node() const
 void ModelAction::set_read_from(const ModelAction *act)
 {
        ASSERT(act);
+
        reads_from = act;
        reads_from_promise = NULL;
-       if (act->is_uninitialized())
-               model->assert_bug("May read from uninitialized atomic:\n"
+
+       if (act->is_uninitialized()) { // WL
+               uint64_t val = *((uint64_t *) location);
+               ModelAction * act_initialized = (ModelAction *)act;
+               act_initialized->set_value(val);
+               reads_from = (const ModelAction *)act_initialized;
+
+// disabled by WL, because LLVM IR is unable to detect atomic init
+/*             model->assert_bug("May read from uninitialized atomic:\n"
                                "    action %d, thread %d, location %p (%s, %s)",
                                seq_number, id_to_int(tid), location,
                                get_type_str(), get_mo_str());
+*/
+       }
 }
 
 /**