Rename Cretonne to Cranelift!

cranelift/filetests/domtree/basic.clif

@@ -0,0 +1,25 @@
+test domtree
+
+function %test(i32) {
+    ebb0(v0: i32):
+        jump ebb1     ; dominates: ebb1
+    ebb1:
+        brz v0, ebb3  ; dominates: ebb3
+        jump ebb2     ; dominates: ebb2
+    ebb2:
+        jump ebb3
+    ebb3:
+        return
+}
+; check: cfg_postorder:
+; sameln: ebb2
+; sameln: ebb3
+; sameln: ebb1
+; sameln: ebb0
+
+; check: domtree_preorder {
+; nextln: ebb0: ebb1
+; nextln: ebb1: ebb3 ebb2
+; nextln: ebb3:
+; nextln: ebb2:
+; nextln: }