; 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_encode_implicit(ptr noundef nonnull %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  %9 = load i32, ptr %7, align 4, !tbaa !9
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.mln_asn1_enresult_t, ptr %10, i32 0, i32 4
  %12 = load i32, ptr %11, align 4, !tbaa !11
  %13 = icmp uge i32 %9, %12
  br i1 %13, label %14, label %15

14:                                               ; preds = %3
  store i32 2, ptr %4, align 4
  br label %40

15:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.mln_asn1_enresult_t, ptr %16, i32 0, i32 2
  %18 = load ptr, ptr %17, align 8, !tbaa !14
  %19 = load i32, ptr %7, align 4, !tbaa !9
  %20 = zext i32 %19 to i64
  %21 = getelementptr inbounds %struct.mln_string_t, ptr %18, i64 %20
  store ptr %21, ptr %8, align 8, !tbaa !5
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.mln_string_t, ptr %22, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8, !tbaa !15
  %25 = getelementptr inbounds i8, ptr %24, i64 0
  %26 = load i8, ptr %25, align 1, !tbaa !17
  %27 = zext i8 %26 to i32
  %28 = and i32 %27, 32
  %29 = trunc i32 %28 to i8
  store i8 %29, ptr %25, align 1, !tbaa !17
  %30 = load i32, ptr %6, align 4, !tbaa !9
  %31 = or i32 128, %30
  %32 = load ptr, ptr %8, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.mln_string_t, ptr %32, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8, !tbaa !15
  %35 = getelementptr inbounds i8, ptr %34, i64 0
  %36 = load i8, ptr %35, align 1, !tbaa !17
  %37 = zext i8 %36 to i32
  %38 = or i32 %37, %31
  %39 = trunc i32 %38 to i8
  store i8 %39, ptr %35, align 1, !tbaa !17
  store i32 0, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  br label %40

40:                                               ; preds = %15, %14
  %41 = load i32, ptr %4, align 4
  ret i32 %41
}

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 = !{!7, !7, 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(readwrite, inaccessiblemem: none) uwtable
define dso_local range(i32 0, 3) i32 @mln_asn1_encode_implicit(ptr nocapture noundef nonnull readonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = getelementptr inbounds i8, ptr %0, i64 28
  %5 = load i32, ptr %4, align 4, !tbaa !5
  %.not = icmp ugt i32 %5, %2
  br i1 %.not, label %6, label %19

6:                                                ; preds = %3
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  %8 = load ptr, ptr %7, align 8, !tbaa !12
  %9 = zext i32 %2 to i64
  %10 = getelementptr inbounds %struct.mln_string_t, ptr %8, i64 %9
  %11 = load ptr, ptr %10, align 8, !tbaa !13
  %12 = load i8, ptr %11, align 1, !tbaa !15
  %13 = and i8 %12, 32
  store i8 %13, ptr %11, align 1, !tbaa !15
  %14 = load ptr, ptr %10, align 8, !tbaa !13
  %15 = load i8, ptr %14, align 1, !tbaa !15
  %16 = trunc i32 %1 to i8
  %17 = or i8 %15, %16
  %18 = or i8 %17, -128
  store i8 %18, ptr %14, align 1, !tbaa !15
  br label %19

19:                                               ; preds = %3, %6
  %.0 = phi i32 [ 0, %6 ], [ 2, %3 ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(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 = !{!8, !8, i64 0}


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