; RUN: opt < %s -adce -simplifycfg | llvm-dis ; RUN: opt < %s -passes=adce | llvm-dis define i32 @Test(i32 %A, i32 %B) { BB1: br label %BB4 BB2: ; No predecessors! br label %BB3 BB3: ; preds = %BB4, %BB2 %ret = phi i32 [ %X, %BB4 ], [ %B, %BB2 ] ; <i32> [#uses=1] ret i32 %ret BB4: ; preds = %BB1 %X = phi i32 [ %A, %BB1 ] ; <i32> [#uses=1] br label %BB3 }