2009-09-12 02:01:28 +08:00
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; RUN: opt < %s -sccp -S | grep undef | count 1
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2008-01-28 08:32:30 +08:00
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; PR1938
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define i32 @main() {
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entry:
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br label %bb
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bb:
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%indvar = phi i32 [ 0, %entry ], [ %k, %bb.backedge ]
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%k = add i32 %indvar, 1
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br i1 undef, label %cond_true, label %cond_false
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cond_true:
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%tmp97 = icmp slt i32 %k, 10
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br i1 %tmp97, label %bb.backedge, label %bb12
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bb.backedge:
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br label %bb
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cond_false:
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%tmp9 = icmp slt i32 %k, 10
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br i1 %tmp9, label %bb.backedge, label %bb12
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bb12:
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%tmp14 = icmp eq i32 %k, 10
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br i1 %tmp14, label %cond_next18, label %cond_true17
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cond_true17:
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tail call void @abort( )
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unreachable
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cond_next18:
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ret i32 0
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}
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declare void @abort()
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