| ; RUN: llc < %s | 
 | ; PR4222 | 
 |  | 
 | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" | 
 | target triple = "x86_64-pc-linux-gnu" | 
 | module asm ".ident\09\22$FreeBSD: head/sys/amd64/amd64/minidump_machdep.c 184499 2008-10-31 10:11:35Z kib $\22" | 
 | 	%struct.dumperinfo = type <{ ptr, ptr, i32, i32, i64, i64 }> | 
 |  | 
 | define void @minidumpsys(ptr %di) nounwind { | 
 | entry: | 
 | 	br label %if.end | 
 |  | 
 | if.end:		; preds = %if.end52, %entry | 
 | 	br label %for.cond.i.preheader | 
 |  | 
 | for.cond.i.preheader:		; preds = %if.end52, %if.end | 
 | 	%indvar688 = phi i64 [ 0, %if.end ], [ %indvar.next689, %if.end52 ]		; <i64> [#uses=3] | 
 | 	%tmp690 = shl i64 %indvar688, 12		; <i64> [#uses=1] | 
 | 	%pa.0642 = add i64 %tmp690, 0		; <i64> [#uses=1] | 
 | 	%indvar688703 = trunc i64 %indvar688 to i32		; <i32> [#uses=1] | 
 | 	%tmp692693 = add i32 %indvar688703, 1		; <i32> [#uses=1] | 
 | 	%phitmp = sext i32 %tmp692693 to i64		; <i64> [#uses=1] | 
 | 	br i1 false, label %if.end52, label %land.lhs.true.i | 
 |  | 
 | land.lhs.true.i:		; preds = %for.cond.i.preheader | 
 | 	%shr2.i = lshr i64 %pa.0642, 18		; <i64> [#uses=0] | 
 | 	unreachable | 
 |  | 
 | if.end52:		; preds = %for.cond.i.preheader | 
 | 	%phitmp654 = icmp ult i64 %phitmp, 512		; <i1> [#uses=1] | 
 | 	%indvar.next689 = add i64 %indvar688, 1		; <i64> [#uses=1] | 
 | 	br i1 %phitmp654, label %for.cond.i.preheader, label %if.end | 
 | } | 
 |  | 
 | define void @promote(ptr %di) nounwind { | 
 | entry: | 
 | 	br label %if.end | 
 |  | 
 | if.end:		; preds = %if.end52, %entry | 
 | 	br label %for.cond.i.preheader | 
 |  | 
 | for.cond.i.preheader:		; preds = %if.end52, %if.end | 
 | 	%indvar688 = phi i32 [ 0, %if.end ], [ %indvar.next689, %if.end52 ]		; <i64> [#uses=3] | 
 | 	%tmp690 = shl i32 %indvar688, 12		; <i64> [#uses=1] | 
 | 	%pa.0642 = add i32 %tmp690, 0		; <i64> [#uses=1] | 
 | 	%tmp692693 = add i32 %indvar688, 1		; <i32> [#uses=1] | 
 | 	%phitmp = sext i32 %tmp692693 to i64		; <i64> [#uses=1] | 
 | 	br i1 false, label %if.end52, label %land.lhs.true.i | 
 |  | 
 | land.lhs.true.i:		; preds = %for.cond.i.preheader | 
 | 	%shr2.i = lshr i32 %pa.0642, 18		; <i64> [#uses=0] | 
 | 	unreachable | 
 |  | 
 | if.end52:		; preds = %for.cond.i.preheader | 
 | 	%phitmp654 = icmp ult i64 %phitmp, 512		; <i1> [#uses=1] | 
 | 	%indvar.next689 = add i32 %indvar688, 1		; <i64> [#uses=1] | 
 | 	br i1 %phitmp654, label %for.cond.i.preheader, label %if.end | 
 | } |