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; RUN: llc < %s
; PR4136
target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
target triple = "msp430-unknown-linux-gnu"
@uip_len = external global i16 ; <i16*> [#uses=2]
define void @uip_arp_arpin() nounwind {
entry:
%tmp = volatile load i16* @uip_len ; <i16> [#uses=1]
%cmp = icmp ult i16 %tmp, 42 ; <i1> [#uses=1]
volatile store i16 0, i16* @uip_len
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
ret void
if.end: ; preds = %entry
switch i16 0, label %return [
i16 256, label %sw.bb
i16 512, label %sw.bb18
]
sw.bb: ; preds = %if.end
ret void
sw.bb18: ; preds = %if.end
ret void
return: ; preds = %if.end
ret void
}
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