; LLVM IR from specinfo-ua/UAPKI :: library/uapkif/src/asn1 (NULL)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.asn_dec_rval_s = type { i32, i64 }

@.str.3 = external hidden unnamed_addr constant [19 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local { i32, i64 } @NULL_decode_uper(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4) #0 {
  %6 = alloca %struct.asn_dec_rval_s, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca %struct.asn_dec_rval_s, align 8
  %13 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store ptr %2, ptr %9, align 8, !tbaa !5
  store ptr %3, ptr %10, align 8, !tbaa !5
  store ptr %4, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #5
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  %15 = load ptr, ptr %8, align 8, !tbaa !5
  %16 = load ptr, ptr %9, align 8, !tbaa !5
  %17 = load ptr, ptr %11, align 8, !tbaa !5
  %18 = load ptr, ptr %10, align 8, !tbaa !5
  %19 = load ptr, ptr %18, align 8, !tbaa !5
  %20 = icmp ne ptr %19, null
  br i1 %20, label %37, label %21

21:                                               ; preds = %5
  %22 = call noalias ptr @malloc(i64 noundef 4) #6
  %23 = load ptr, ptr %10, align 8, !tbaa !5
  store ptr %22, ptr %23, align 8, !tbaa !5
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  %25 = load ptr, ptr %24, align 8, !tbaa !5
  %26 = icmp ne ptr %25, null
  br i1 %26, label %27, label %30

27:                                               ; preds = %21
  %28 = load ptr, ptr %10, align 8, !tbaa !5
  %29 = load ptr, ptr %28, align 8, !tbaa !5
  store i32 0, ptr %29, align 4, !tbaa !9
  br label %36

30:                                               ; preds = %21
  br label %31

31:                                               ; preds = %30
  %32 = getelementptr inbounds %struct.asn_dec_rval_s, ptr %6, i32 0, i32 0
  store i32 2, ptr %32, align 8, !tbaa !11
  %33 = getelementptr inbounds %struct.asn_dec_rval_s, ptr %6, i32 0, i32 1
  store i64 0, ptr %33, align 8, !tbaa !14
  call void @stacktrace_create(ptr noundef @.str.3, i64 noundef 163, i32 noundef 102, ptr noundef null)
  store i32 1, ptr %13, align 4
  br label %40

34:                                               ; No predecessors!
  br label %35

35:                                               ; preds = %34
  br label %36

36:                                               ; preds = %35, %27
  br label %37

37:                                               ; preds = %36, %5
  %38 = getelementptr inbounds %struct.asn_dec_rval_s, ptr %12, i32 0, i32 0
  store i32 0, ptr %38, align 8, !tbaa !11
  %39 = getelementptr inbounds %struct.asn_dec_rval_s, ptr %12, i32 0, i32 1
  store i64 0, ptr %39, align 8, !tbaa !14
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %6, ptr align 8 %12, i64 16, i1 false), !tbaa.struct !15
  store i32 1, ptr %13, align 4
  br label %40

40:                                               ; preds = %37, %31
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #5
  %41 = load { i32, i64 }, ptr %6, align 8
  ret { i32, i64 } %41
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(0) "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { nounwind }
attributes #6 = { nounwind allocsize(0) }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"asn_dec_rval_s", !10, i64 0, !13, i64 8}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !13, i64 8}
!15 = !{i64 0, i64 4, !9, i64 8, i64 8, !16}
!16 = !{!13, !13, i64 0}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@.str.3 = external hidden unnamed_addr constant [19 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local { i32, i64 } @NULL_decode_uper(ptr nocapture noundef readnone %0, ptr nocapture noundef readnone %1, ptr nocapture noundef readnone %2, ptr nocapture noundef %3, ptr nocapture noundef readnone %4) local_unnamed_addr #0 {
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %.not = icmp eq ptr %6, null
  br i1 %.not, label %7, label %11

7:                                                ; preds = %5
  %8 = tail call noalias dereferenceable_or_null(4) ptr @malloc(i64 noundef 4) #3
  store ptr %8, ptr %3, align 8, !tbaa !5
  %.not11 = icmp eq ptr %8, null
  br i1 %.not11, label %10, label %9

9:                                                ; preds = %7
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %11

10:                                               ; preds = %7
  tail call void @stacktrace_create(ptr noundef nonnull @.str.3, i64 noundef 163, i32 noundef 102, ptr noundef null) #4
  br label %11

11:                                               ; preds = %5, %9, %10
  %.sroa.09.0 = phi i32 [ 2, %10 ], [ 0, %9 ], [ 0, %5 ]
  %.fca.0.insert = insertvalue { i32, i64 } poison, i32 %.sroa.09.0, 0
  %.fca.1.insert = insertvalue { i32, i64 } %.fca.0.insert, i64 0, 1
  ret { i32, i64 } %.fca.1.insert
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind allocsize(0) }
attributes #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass