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;; From: test/Programs/SingleSource/richards_benchmark.c
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;; Function: struct task *handlerfn(struct packet *pkt)
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;; Error: PreSelection puts the arguments of the Phi just before
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;; the Phi instead of in predecessor blocks. This later
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;; causes llc to produces an invalid register <NULL VALUE>
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;; for the phi arguments.
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%struct..packet = type { %struct..packet*, i32, i32, i32, [4 x i8] }
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%struct..task = type { %struct..task*, i32, i32, %struct..packet*, i32, %struct..task* (%struct..packet*)*, i32, i32 }
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@v1 = external global i32 ; <i32*> [#uses=1]
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@v2 = external global i32 ; <i32*> [#uses=1]
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define %struct..task* @handlerfn(%struct..packet* %pkt.2) {
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%tmp.1 = icmp ne %struct..packet* %pkt.2, null ; <i1> [#uses=1]
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br i1 %tmp.1, label %cond_false, label %cond_continue
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cond_false: ; preds = %entry
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br label %cond_continue
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cond_continue: ; preds = %cond_false, %entry
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%mem_tmp.0 = phi i32* [ @v2, %cond_false ], [ @v1, %entry ] ; <i32*> [#uses=1]
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%tmp.12 = bitcast i32* %mem_tmp.0 to %struct..packet* ; <%struct..packet*> [#uses=1]
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call void @append( %struct..packet* %pkt.2, %struct..packet* %tmp.12 )
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ret %struct..task* null
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declare void @append(%struct..packet*, %struct..packet*)