diff --git a/mcopy_non_zero_size.yul b/test/libyul/yulOptimizerTests/expressionSimplifier/mcopy_non_zero_size.yul
similarity index 100%
rename from mcopy_non_zero_size.yul
rename to test/libyul/yulOptimizerTests/expressionSimplifier/mcopy_non_zero_size.yul
diff --git a/mcopy_zero_size.yul b/test/libyul/yulOptimizerTests/expressionSimplifier/mcopy_zero_size.yul
similarity index 100%
rename from mcopy_zero_size.yul
rename to test/libyul/yulOptimizerTests/expressionSimplifier/mcopy_zero_size.yul
diff --git a/simple.yul b/test/libyul/yulOptimizerTests/fullInlinerWithoutSplitter/simple.yul
similarity index 100%
rename from simple.yul
rename to test/libyul/yulOptimizerTests/fullInlinerWithoutSplitter/simple.yul
diff --git a/mcopy.yul b/test/libyul/yulOptimizerTests/fullSuite/mcopy.yul
similarity index 100%
rename from mcopy.yul
rename to test/libyul/yulOptimizerTests/fullSuite/mcopy.yul
diff --git a/mcopy_redundant_overwritten.yul b/test/libyul/yulOptimizerTests/fullSuite/mcopy_redundant_overwritten.yul
similarity index 100%
rename from mcopy_redundant_overwritten.yul
rename to test/libyul/yulOptimizerTests/fullSuite/mcopy_redundant_overwritten.yul
diff --git a/mcopy_redundant_same_area.yul b/test/libyul/yulOptimizerTests/fullSuite/mcopy_redundant_same_area.yul
similarity index 100%
rename from mcopy_redundant_same_area.yul
rename to test/libyul/yulOptimizerTests/fullSuite/mcopy_redundant_same_area.yul
diff --git a/mcopy_redundant_zero_size.yul b/test/libyul/yulOptimizerTests/fullSuite/mcopy_redundant_zero_size.yul
similarity index 100%
rename from mcopy_redundant_zero_size.yul
rename to test/libyul/yulOptimizerTests/fullSuite/mcopy_redundant_zero_size.yul
diff --git a/unicode_comment_direction_override.yul b/test/libyul/yulSyntaxTests/invalid/unicode_comment_direction_override.yul
similarity index 100%
rename from unicode_comment_direction_override.yul
rename to test/libyul/yulSyntaxTests/invalid/unicode_comment_direction_override.yul