| ; RUN: llc < %s | 
 | target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8" | 
 | target triple = "msp430-elf" | 
 |  | 
 | %struct.httpd_fs_file = type { i8*, i16 } | 
 | %struct.psock = type { %struct.pt, %struct.pt, i8*, i8*, i8*, i16, i16, %struct.httpd_fs_file, i16, i8, i8 } | 
 | %struct.pt = type { i16 } | 
 |  | 
 | @foo = external global i8* | 
 |  | 
 | define signext i8 @psock_readto(%struct.psock* nocapture %psock, i8 zeroext %c) nounwind { | 
 | entry: | 
 |   switch i16 undef, label %sw.epilog [ | 
 |     i16 0, label %sw.bb | 
 |     i16 283, label %if.else.i | 
 |   ] | 
 |  | 
 | sw.bb:                                            ; preds = %entry | 
 |   br label %do.body | 
 |  | 
 | do.body:                                          ; preds = %while.cond36.i, %while.end.i, %sw.bb | 
 |   br label %while.cond.i | 
 |  | 
 | if.else.i:                                        ; preds = %entry | 
 |   br i1 undef, label %psock_newdata.exit, label %if.else11.i | 
 |  | 
 | if.else11.i:                                      ; preds = %if.else.i | 
 |   ret i8 0 | 
 |  | 
 | psock_newdata.exit:                               ; preds = %if.else.i | 
 |   ret i8 0 | 
 |  | 
 | while.cond.i:                                     ; preds = %while.body.i, %do.body | 
 |   br i1 undef, label %while.end.i, label %while.body.i | 
 |  | 
 | while.body.i:                                     ; preds = %while.cond.i | 
 |   br i1 undef, label %do.end41, label %while.cond.i | 
 |  | 
 | while.end.i:                                      ; preds = %while.cond.i | 
 |   br i1 undef, label %do.body, label %while.cond36.i.preheader | 
 |  | 
 | while.cond36.i.preheader:                         ; preds = %while.end.i | 
 |   br label %while.cond36.i | 
 |  | 
 | while.cond36.i:                                   ; preds = %while.body41.i, %while.cond36.i.preheader | 
 |   br i1 undef, label %do.body, label %while.body41.i | 
 |  | 
 | while.body41.i:                                   ; preds = %while.cond36.i | 
 |   %tmp43.i = load i8*, i8** @foo                      ; <i8*> [#uses=2] | 
 |   %tmp44.i = load i8, i8* %tmp43.i                    ; <i8> [#uses=1] | 
 |   %ptrincdec50.i = getelementptr inbounds i8, i8* %tmp43.i, i16 1 ; <i8*> [#uses=1] | 
 |   store i8* %ptrincdec50.i, i8** @foo | 
 |   %cmp55.i = icmp eq i8 %tmp44.i, %c              ; <i1> [#uses=1] | 
 |   br i1 %cmp55.i, label %do.end41, label %while.cond36.i | 
 |  | 
 | do.end41:                                         ; preds = %while.body41.i, %while.body.i | 
 |   br i1 undef, label %if.then46, label %sw.epilog | 
 |  | 
 | if.then46:                                        ; preds = %do.end41 | 
 |   ret i8 0 | 
 |  | 
 | sw.epilog:                                        ; preds = %do.end41, %entry | 
 |   ret i8 2 | 
 | } |