| ; RUN: llc < %s | 
 | ; PR7001 | 
 |  | 
 | target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16" | 
 | target triple = "msp430-elf" | 
 |  | 
 | define i16 @main() nounwind { | 
 | entry: | 
 |   br label %while.cond | 
 |  | 
 | while.cond:                                       ; preds = %while.body, %entry | 
 |   br i1 undef, label %land.rhs, label %land.end | 
 |  | 
 | land.rhs:                                         ; preds = %while.cond | 
 |   br label %land.end | 
 |  | 
 | land.end:                                         ; preds = %land.rhs, %while.cond | 
 |   %0 = phi i1 [ false, %while.cond ], [ undef, %land.rhs ] ; <i1> [#uses=1] | 
 |   br i1 %0, label %while.body, label %while.end | 
 |  | 
 | while.body:                                       ; preds = %land.end | 
 |   %tmp4 = load i16* undef                         ; <i16> [#uses=0] | 
 |   br label %while.cond | 
 |  | 
 | while.end:                                        ; preds = %land.end | 
 |   ret i16 undef | 
 | } |