diff --git a/test_regress/t/t_alw_combdly.py b/test_regress/t/t_always_combdly.py
similarity index 100%
rename from test_regress/t/t_alw_combdly.py
rename to test_regress/t/t_always_combdly.py
diff --git a/test_regress/t/t_alw_combdly.v b/test_regress/t/t_always_combdly.v
similarity index 100%
rename from test_regress/t/t_alw_combdly.v
rename to test_regress/t/t_always_combdly.v
diff --git a/test_regress/t/t_alw_dly.py b/test_regress/t/t_always_dly.py
similarity index 100%
rename from test_regress/t/t_alw_dly.py
rename to test_regress/t/t_always_dly.py
diff --git a/test_regress/t/t_alw_dly.v b/test_regress/t/t_always_dly.v
similarity index 100%
rename from test_regress/t/t_alw_dly.v
rename to test_regress/t/t_always_dly.v
diff --git a/test_regress/t/t_alw_noreorder.py b/test_regress/t/t_always_noreorder.py
similarity index 95%
rename from test_regress/t/t_alw_noreorder.py
rename to test_regress/t/t_always_noreorder.py
index 167876bab..4d5095754 100755
--- a/test_regress/t/t_alw_noreorder.py
+++ b/test_regress/t/t_always_noreorder.py
@@ -10,7 +10,7 @@
 import vltest_bootstrap
 
 test.scenarios('vlt_all')
-test.top_filename = "t/t_alw_reorder.v"
+test.top_filename = "t/t_always_reorder.v"
 test.compile(verilator_flags2=["--stats -fno-reorder"])
 
 test.file_grep(test.stats, r'Optimizations, Split always\s+(\d+)', 0)
diff --git a/test_regress/t/t_alw_nosplit.py b/test_regress/t/t_always_nosplit.py
similarity index 100%
rename from test_regress/t/t_alw_nosplit.py
rename to test_regress/t/t_always_nosplit.py
diff --git a/test_regress/t/t_alw_nosplit.v b/test_regress/t/t_always_nosplit.v
similarity index 100%
rename from test_regress/t/t_alw_nosplit.v
rename to test_regress/t/t_always_nosplit.v
diff --git a/test_regress/t/t_alw_reorder.py b/test_regress/t/t_always_reorder.py
similarity index 100%
rename from test_regress/t/t_alw_reorder.py
rename to test_regress/t/t_always_reorder.py
diff --git a/test_regress/t/t_alw_reorder.v b/test_regress/t/t_always_reorder.v
similarity index 100%
rename from test_regress/t/t_alw_reorder.v
rename to test_regress/t/t_always_reorder.v
diff --git a/test_regress/t/t_alw_reorder_inlined_func.py b/test_regress/t/t_always_reorder_inlined_func.py
similarity index 100%
rename from test_regress/t/t_alw_reorder_inlined_func.py
rename to test_regress/t/t_always_reorder_inlined_func.py
diff --git a/test_regress/t/t_alw_reorder_inlined_func.v b/test_regress/t/t_always_reorder_inlined_func.v
similarity index 100%
rename from test_regress/t/t_alw_reorder_inlined_func.v
rename to test_regress/t/t_always_reorder_inlined_func.v
diff --git a/test_regress/t/t_alw_reorder_no_acycsimp.py b/test_regress/t/t_always_reorder_no_acycsimp.py
similarity index 92%
rename from test_regress/t/t_alw_reorder_no_acycsimp.py
rename to test_regress/t/t_always_reorder_no_acycsimp.py
index fb57da699..50df28735 100755
--- a/test_regress/t/t_alw_reorder_no_acycsimp.py
+++ b/test_regress/t/t_always_reorder_no_acycsimp.py
@@ -10,7 +10,7 @@
 import vltest_bootstrap
 
 test.scenarios('vlt_all')
-test.top_filename = 't/t_alw_reorder.v'
+test.top_filename = 't/t_always_reorder.v'
 
 test.compile(verilator_flags2=["--stats", "-fno-acyc-simp"])
 
diff --git a/test_regress/t/t_alw_sen_compare.py b/test_regress/t/t_always_sen_compare.py
similarity index 100%
rename from test_regress/t/t_alw_sen_compare.py
rename to test_regress/t/t_always_sen_compare.py
diff --git a/test_regress/t/t_alw_sen_compare.v b/test_regress/t/t_always_sen_compare.v
similarity index 100%
rename from test_regress/t/t_alw_sen_compare.v
rename to test_regress/t/t_always_sen_compare.v
diff --git a/test_regress/t/t_alw_split.py b/test_regress/t/t_always_split.py
similarity index 100%
rename from test_regress/t/t_alw_split.py
rename to test_regress/t/t_always_split.py
diff --git a/test_regress/t/t_alw_split.v b/test_regress/t/t_always_split.v
similarity index 100%
rename from test_regress/t/t_alw_split.v
rename to test_regress/t/t_always_split.v
diff --git a/test_regress/t/t_alw_split_cond.py b/test_regress/t/t_always_split_cond.py
similarity index 100%
rename from test_regress/t/t_alw_split_cond.py
rename to test_regress/t/t_always_split_cond.py
diff --git a/test_regress/t/t_alw_split_cond.v b/test_regress/t/t_always_split_cond.v
similarity index 100%
rename from test_regress/t/t_alw_split_cond.v
rename to test_regress/t/t_always_split_cond.v
diff --git a/test_regress/t/t_alw_split_rst.py b/test_regress/t/t_always_split_rst.py
similarity index 100%
rename from test_regress/t/t_alw_split_rst.py
rename to test_regress/t/t_always_split_rst.py
diff --git a/test_regress/t/t_alw_split_rst.v b/test_regress/t/t_always_split_rst.v
similarity index 100%
rename from test_regress/t/t_alw_split_rst.v
rename to test_regress/t/t_always_split_rst.v
diff --git a/test_regress/t/t_alw_splitord.py b/test_regress/t/t_always_splitord.py
similarity index 100%
rename from test_regress/t/t_alw_splitord.py
rename to test_regress/t/t_always_splitord.py
diff --git a/test_regress/t/t_alw_splitord.v b/test_regress/t/t_always_splitord.v
similarity index 100%
rename from test_regress/t/t_alw_splitord.v
rename to test_regress/t/t_always_splitord.v