; 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 { ptr, i16 }
%struct.psock = type { %struct.pt, %struct.pt, ptr, ptr, ptr, i16, i16, %struct.httpd_fs_file, i16, i8, i8 }
%struct.pt = type { i16 }
@foo = external global ptr
define signext i8 @psock_readto(ptr 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 ptr, ptr @foo ; <i8*> [#uses=2]
%tmp44.i = load i8, ptr %tmp43.i ; <i8> [#uses=1]
%ptrincdec50.i = getelementptr inbounds i8, ptr %tmp43.i, i16 1 ; <i8*> [#uses=1]
store ptr %ptrincdec50.i, ptr @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
}