; LLVM IR from Water-Melon/Melon :: src (mln_asn1)

; 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.mln_asn1_enresult_t = type { ptr, i64, ptr, i32, i32, i32 }
%struct.mln_string_t = type { ptr, i64, i32 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @mln_asn1_enresult_get_content(ptr noundef nonnull %0, i32 noundef %1, ptr noundef nonnull %2, ptr noundef nonnull %3) #1 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  %11 = load i32, ptr %7, align 4, !tbaa !9
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.mln_asn1_enresult_t, ptr %12, i32 0, i32 4
  %14 = load i32, ptr %13, align 4, !tbaa !11
  %15 = icmp uge i32 %11, %14
  br i1 %15, label %16, label %17

16:                                               ; preds = %4
  store i32 2, ptr %5, align 4
  br label %32

17:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.mln_asn1_enresult_t, ptr %18, i32 0, i32 2
  %20 = load ptr, ptr %19, align 8, !tbaa !14
  %21 = load i32, ptr %7, align 4, !tbaa !9
  %22 = zext i32 %21 to i64
  %23 = getelementptr inbounds %struct.mln_string_t, ptr %20, i64 %22
  store ptr %23, ptr %10, align 8, !tbaa !5
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.mln_string_t, ptr %24, i32 0, i32 0
  %26 = load ptr, ptr %25, align 8, !tbaa !15
  %27 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %26, ptr %27, align 8, !tbaa !5
  %28 = load ptr, ptr %10, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.mln_string_t, ptr %28, i32 0, i32 1
  %30 = load i64, ptr %29, align 8, !tbaa !17
  %31 = load ptr, ptr %9, align 8, !tbaa !5
  store i64 %30, ptr %31, align 8, !tbaa !18
  store i32 0, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  br label %32

32:                                               ; preds = %17, %16
  %33 = load i32, ptr %5, align 4
  ret i32 %33
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 28}
!12 = !{!"", !6, i64 0, !13, i64 8, !6, i64 16, !10, i64 24, !10, i64 28, !10, i64 32, !10, i64 32, !10, i64 32}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !6, i64 16}
!15 = !{!16, !6, i64 0}
!16 = !{!"", !6, i64 0, !13, i64 8, !13, i64 16, !13, i64 16, !13, i64 16}
!17 = !{!16, !13, i64 8}
!18 = !{!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"

%struct.mln_string_t = type { ptr, i64, i32 }

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: readwrite, inaccessiblemem: none) uwtable
define dso_local range(i32 0, 3) i32 @mln_asn1_enresult_get_content(ptr nocapture noundef nonnull readonly %0, i32 noundef %1, ptr nocapture noundef nonnull writeonly %2, ptr nocapture noundef nonnull writeonly %3) local_unnamed_addr #0 {
  %5 = getelementptr inbounds i8, ptr %0, i64 28
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %.not = icmp ugt i32 %6, %1
  br i1 %.not, label %7, label %15

7:                                                ; preds = %4
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  %10 = zext i32 %1 to i64
  %11 = getelementptr inbounds %struct.mln_string_t, ptr %9, i64 %10
  %12 = load ptr, ptr %11, align 8, !tbaa !13
  store ptr %12, ptr %2, align 8, !tbaa !15
  %13 = getelementptr inbounds i8, ptr %11, i64 8
  %14 = load i64, ptr %13, align 8, !tbaa !16
  store i64 %14, ptr %3, align 8, !tbaa !17
  br label %15

15:                                               ; preds = %4, %7
  %.0 = phi i32 [ 0, %7 ], [ 2, %4 ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: readwrite, inaccessiblemem: none) 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" }

!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, !11, i64 28}
!6 = !{!"", !7, i64 0, !10, i64 8, !7, i64 16, !11, i64 24, !11, i64 28, !11, i64 32, !11, i64 32, !11, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!6, !7, i64 16}
!13 = !{!14, !7, i64 0}
!14 = !{!"", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 16, !10, i64 16}
!15 = !{!7, !7, i64 0}
!16 = !{!14, !10, i64 8}
!17 = !{!10, !10, i64 0}


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