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1; RUN: opt < %s -passes=adce -disable-output2; RUN: opt < %s -passes=adce -adce-remove-loops -disable-output3 4define i32 @main() {5 br label %loop6 7loop: ; preds = %loop, %08 br label %loop9}10 11 1; RUN: opt < %s -passes=adce -disable-output2; RUN: opt < %s -passes=adce -adce-remove-loops -disable-output3 4define i32 @main() {5 br label %loop6 7loop: ; preds = %loop, %08 br label %loop9}10 11