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36 lines
713 B
LLVM
36 lines
713 B
LLVM
; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep undef
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; PR2503
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@g_3 = external global i8 ; <i8*> [#uses=2]
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define i8 @func_1() nounwind {
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entry:
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br i1 false, label %ifelse, label %ifthen
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ifthen: ; preds = %entry
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br label %ifend
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ifelse: ; preds = %entry
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%tmp3 = load i8* @g_3 ; <i8> [#uses=0]
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br label %forcond.thread
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forcond.thread: ; preds = %ifelse
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br label %afterfor
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forcond: ; preds = %forinc
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br i1 false, label %afterfor, label %forbody
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forbody: ; preds = %forcond
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br label %forinc
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forinc: ; preds = %forbody
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br label %forcond
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afterfor: ; preds = %forcond, %forcond.thread
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%tmp10 = load i8* @g_3 ; <i8> [#uses=0]
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ret i8 %tmp10
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ifend: ; preds = %afterfor, %ifthen
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ret i8 0
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}
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