forked from OSchip/llvm-project
37 lines
768 B
LLVM
37 lines
768 B
LLVM
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; RUN: opt < %s -basicaa -newgvn -S | FileCheck %s
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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(i32 %x, i32 %y) nounwind {
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entry:
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%A = alloca i8
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%cmp = icmp eq i32 %x, %y
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br i1 %cmp, 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, i8* @g_3 ; <i8> [#uses=0]
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store i8 %tmp3, i8* %A
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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, i8* @g_3 ; <i8> [#uses=0]
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ret i8 %tmp10
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; CHECK: ret i8 %tmp3
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ifend: ; preds = %afterfor, %ifthen
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ret i8 0
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}
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