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

; 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.errbufDesc = type { ptr, ptr, ptr, i64 }
%struct.asn_TYPE_descriptor_s = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, ptr, i32, ptr, ptr, i32, ptr }

; Function Attrs: nounwind uwtable
define dso_local i32 @asn_check_constraints(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca %struct.errbufDesc, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #2
  %11 = getelementptr inbounds %struct.errbufDesc, ptr %9, i32 0, i32 0
  store ptr null, ptr %11, align 8, !tbaa !9
  %12 = getelementptr inbounds %struct.errbufDesc, ptr %9, i32 0, i32 1
  store ptr null, ptr %12, align 8, !tbaa !12
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.errbufDesc, ptr %9, i32 0, i32 2
  store ptr %13, ptr %14, align 8, !tbaa !13
  %15 = load ptr, ptr %8, align 8, !tbaa !5
  %16 = icmp ne ptr %15, null
  br i1 %16, label %17, label %20

17:                                               ; preds = %4
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = load i64, ptr %18, align 8, !tbaa !14
  br label %21

20:                                               ; preds = %4
  br label %21

21:                                               ; preds = %20, %17
  %22 = phi i64 [ %19, %17 ], [ 0, %20 ]
  %23 = getelementptr inbounds %struct.errbufDesc, ptr %9, i32 0, i32 3
  store i64 %22, ptr %23, align 8, !tbaa !15
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.asn_TYPE_descriptor_s, ptr %24, i32 0, i32 4
  %26 = load ptr, ptr %25, align 8, !tbaa !16
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = call i32 %26(ptr noundef %27, ptr noundef %28, ptr noundef @_asn_i_ctfailcb, ptr noundef %9)
  store i32 %29, ptr %10, align 4, !tbaa !19
  %30 = load i32, ptr %10, align 4, !tbaa !19
  %31 = icmp eq i32 %30, -1
  br i1 %31, label %32, label %39

32:                                               ; preds = %21
  %33 = load ptr, ptr %8, align 8, !tbaa !5
  %34 = icmp ne ptr %33, null
  br i1 %34, label %35, label %39

35:                                               ; preds = %32
  %36 = getelementptr inbounds %struct.errbufDesc, ptr %9, i32 0, i32 3
  %37 = load i64, ptr %36, align 8, !tbaa !15
  %38 = load ptr, ptr %8, align 8, !tbaa !5
  store i64 %37, ptr %38, align 8, !tbaa !14
  br label %39

39:                                               ; preds = %35, %32, %21
  %40 = load i32, ptr %10, align 4, !tbaa !19
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #2
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #2
  ret i32 %40
}

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

; Function Attrs: nounwind uwtable
declare hidden void @_asn_i_ctfailcb(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ...) #0

; 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 }

!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, !6, i64 0}
!10 = !{!"errbufDesc", !6, i64 0, !6, i64 8, !6, i64 16, !11, i64 24}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !6, i64 16}
!14 = !{!11, !11, i64 0}
!15 = !{!10, !11, i64 24}
!16 = !{!17, !6, i64 32}
!17 = !{!"asn_TYPE_descriptor_s", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96, !18, i64 104, !6, i64 112, !18, i64 120, !6, i64 128, !6, i64 136, !18, i64 144, !6, i64 152}
!18 = !{!"int", !7, i64 0}
!19 = !{!18, !18, 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"

%struct.errbufDesc = type { ptr, ptr, ptr, i64 }

; Function Attrs: nounwind uwtable
define dso_local i32 @asn_check_constraints(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #0 {
  %5 = alloca %struct.errbufDesc, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #3
  %6 = getelementptr inbounds i8, ptr %5, i64 16
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %5, i8 0, i64 16, i1 false)
  store ptr %2, ptr %6, align 8, !tbaa !5
  %7 = icmp ne ptr %3, null
  br i1 %7, label %8, label %10

8:                                                ; preds = %4
  %9 = load i64, ptr %3, align 8, !tbaa !11
  br label %10

10:                                               ; preds = %4, %8
  %11 = phi i64 [ %9, %8 ], [ 0, %4 ]
  %12 = getelementptr inbounds i8, ptr %5, i64 24
  store i64 %11, ptr %12, align 8, !tbaa !12
  %13 = getelementptr inbounds i8, ptr %0, i64 32
  %14 = load ptr, ptr %13, align 8, !tbaa !13
  %15 = call i32 %14(ptr noundef %0, ptr noundef %1, ptr noundef nonnull @_asn_i_ctfailcb, ptr noundef nonnull %5) #3
  %16 = icmp eq i32 %15, -1
  %or.cond = and i1 %7, %16
  br i1 %or.cond, label %17, label %19

17:                                               ; preds = %10
  %18 = load i64, ptr %12, align 8, !tbaa !12
  store i64 %18, ptr %3, align 8, !tbaa !11
  br label %19

19:                                               ; preds = %17, %10
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  ret i32 %15
}

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

; Function Attrs: nounwind uwtable
declare hidden void @_asn_i_ctfailcb(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ...) #0

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { 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, !7, i64 16}
!6 = !{!"errbufDesc", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!10, !10, i64 0}
!12 = !{!6, !10, i64 24}
!13 = !{!14, !7, i64 32}
!14 = !{!"asn_TYPE_descriptor_s", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !7, i64 88, !7, i64 96, !15, i64 104, !7, i64 112, !15, i64 120, !7, i64 128, !7, i64 136, !15, i64 144, !7, i64 152}
!15 = !{!"int", !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,ReassociatePass,SROAPass,SimplifyCFGPass