; RUN: opt -S -O1 < %s -o %t1.ll
;; Show that there's no difference after running another simplify CFG
-; RUN: opt -S -simplifycfg < %t1.ll -o %t2.ll
-; RUN: sed -i 's/; preds = .*//g' %t1.ll %t2.ll
-; RUN: diff %t1.ll %t2.ll
+; RUN: opt -S -simplifycfg < %t1.ll -o %t2.ll
+;; Strip the BB predecessors comments because it may have different
+;; output order.
+; RUN: sed 's/; preds = .*//g' %t1.ll > %t1.strip.ll
+; RUN: sed 's/; preds = .*//g' %t2.ll > %t2.strip.ll
+; RUN: diff %t1.strip.ll %t2.strip.ll
; Test from LoopSink pass, leaves some single-entry single-exit basic blocks.
; After LoopSink, we get a basic block .exit.loopexit which has one entry and