| ; RUN: llc < %s -mtriple=arm64-eabi | 
 |  | 
 | ; The target lowering for integer comparisons was replacing some DAG nodes | 
 | ; during operation legalization, which resulted in dangling pointers, | 
 | ; cycles in DAGs, and eventually crashes.  This is the testcase for | 
 | ; one of those crashes. (rdar://10653656) | 
 |  | 
 | define void @test(i1 zeroext %IsArrow, i1 %arg) nounwind ssp align 2 { | 
 | entry: | 
 |   br i1  %arg, label %return, label %lor.lhs.false | 
 |  | 
 | lor.lhs.false: | 
 |   br i1  %arg, label %return, label %if.end | 
 |  | 
 | if.end: | 
 |   %tmp.i = load i64, ptr undef, align 8 | 
 |   %and.i.i.i = and i64 %tmp.i, -16 | 
 |   br i1 %IsArrow, label %if.else_crit_edge, label %if.end32 | 
 |  | 
 | if.else_crit_edge: | 
 |   br i1  %arg, label %if.end32, label %return | 
 |  | 
 | if.end32: | 
 |   %0 = icmp ult i32 undef, 3 | 
 |   %1 = zext i64 %tmp.i to i320 | 
 |   %.pn.v = select i1 %0, i320 128, i320 64 | 
 |   %.pn = shl i320 %1, %.pn.v | 
 |   %ins346392 = or i320 %.pn, 0 | 
 |   store i320 %ins346392, ptr undef, align 8 | 
 |   br i1  %arg, label %sw.bb.i.i, label %exit | 
 |  | 
 | sw.bb.i.i: | 
 |   unreachable | 
 |  | 
 | exit: | 
 |   unreachable | 
 |  | 
 | return: | 
 |   ret void | 
 | } |