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; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep undef
; PR2503
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i686-apple-darwin9.3.0"
@g_3 = external global i8 ; <i8*> [#uses=2]
define i32 @func_1() nounwind {
entry:
br i1 false, label %ifelse, label %ifthen
ifthen: ; preds = %entry
br label %ifend
ifelse: ; preds = %entry
%tmp3 = load i8* @g_3 ; <i8> [#uses=0]
br label %forcond.thread
forcond.thread: ; preds = %ifelse
br label %afterfor
forcond: ; preds = %forinc
br i1 false, label %afterfor, label %forbody
forbody: ; preds = %forcond
br label %forinc
forinc: ; preds = %forbody
br label %forcond
afterfor: ; preds = %forcond, %forcond.thread
%tmp10 = load i8* @g_3 ; <i8> [#uses=0]
br label %ifend
ifend: ; preds = %afterfor, %ifthen
ret i32 0
}
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