; LLVM IR from wmcnamara/crynn :: lib/thirdparty/assimp/code/AssetLib/Assjson (cencode)

; 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.base64_encodestate = type { i32, i8, i32 }

; Function Attrs: nounwind uwtable
declare dso_local signext i8 @base64_encode_value(i8 noundef signext) #0

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

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

; Function Attrs: nounwind uwtable
define dso_local i32 @base64_encode_blockend(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %6, ptr %5, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.base64_encodestate, ptr %7, i32 0, i32 0
  %9 = load i32, ptr %8, align 4, !tbaa !9
  switch i32 %9, label %30 [
    i32 1, label %10
    i32 2, label %21
    i32 0, label %30
  ]

10:                                               ; preds = %2
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.base64_encodestate, ptr %11, i32 0, i32 1
  %13 = load i8, ptr %12, align 4, !tbaa !12
  %14 = call signext i8 @base64_encode_value(i8 noundef signext %13)
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %15, i32 1
  store ptr %16, ptr %5, align 8, !tbaa !5
  store i8 %14, ptr %15, align 1, !tbaa !13
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %17, i32 1
  store ptr %18, ptr %5, align 8, !tbaa !5
  store i8 61, ptr %17, align 1, !tbaa !13
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds i8, ptr %19, i32 1
  store ptr %20, ptr %5, align 8, !tbaa !5
  store i8 61, ptr %19, align 1, !tbaa !13
  br label %30

21:                                               ; preds = %2
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.base64_encodestate, ptr %22, i32 0, i32 1
  %24 = load i8, ptr %23, align 4, !tbaa !12
  %25 = call signext i8 @base64_encode_value(i8 noundef signext %24)
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = getelementptr inbounds i8, ptr %26, i32 1
  store ptr %27, ptr %5, align 8, !tbaa !5
  store i8 %25, ptr %26, align 1, !tbaa !13
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = getelementptr inbounds i8, ptr %28, i32 1
  store ptr %29, ptr %5, align 8, !tbaa !5
  store i8 61, ptr %28, align 1, !tbaa !13
  br label %30

30:                                               ; preds = %21, %10, %2, %2
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = getelementptr inbounds i8, ptr %31, i32 1
  store ptr %32, ptr %5, align 8, !tbaa !5
  store i8 10, ptr %31, align 1, !tbaa !13
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  %34 = load ptr, ptr %3, align 8, !tbaa !5
  %35 = ptrtoint ptr %33 to i64
  %36 = ptrtoint ptr %34 to i64
  %37 = sub i64 %35, %36
  %38 = trunc i64 %37 to i32
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret i32 %38
}

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, !11, i64 0}
!10 = !{!"", !11, i64 0, !7, i64 4, !11, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !7, i64 4}
!13 = !{!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"

; Function Attrs: nounwind uwtable
declare dso_local signext i8 @base64_encode_value(i8 noundef signext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @base64_encode_blockend(ptr noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = load i32, ptr %1, align 4, !tbaa !5
  switch i32 %3, label %16 [
    i32 1, label %4
    i32 2, label %10
  ]

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %1, i64 4
  %6 = load i8, ptr %5, align 4, !tbaa !10
  %7 = tail call signext i8 @base64_encode_value(i8 noundef signext %6)
  %8 = getelementptr inbounds i8, ptr %0, i64 1
  store i8 %7, ptr %0, align 1, !tbaa !11
  %9 = getelementptr inbounds i8, ptr %0, i64 2
  store i8 61, ptr %8, align 1, !tbaa !11
  br label %.sink.split

10:                                               ; preds = %2
  %11 = getelementptr inbounds i8, ptr %1, i64 4
  %12 = load i8, ptr %11, align 4, !tbaa !10
  %13 = tail call signext i8 @base64_encode_value(i8 noundef signext %12)
  %14 = getelementptr inbounds i8, ptr %0, i64 1
  store i8 %13, ptr %0, align 1, !tbaa !11
  br label %.sink.split

.sink.split:                                      ; preds = %4, %10
  %.sink12 = phi i64 [ 2, %10 ], [ 3, %4 ]
  %.sink = phi ptr [ %14, %10 ], [ %9, %4 ]
  %15 = getelementptr inbounds i8, ptr %0, i64 %.sink12
  store i8 61, ptr %.sink, align 1, !tbaa !11
  br label %16

16:                                               ; preds = %.sink.split, %2
  %.0 = phi ptr [ %0, %2 ], [ %15, %.sink.split ]
  %17 = getelementptr inbounds i8, ptr %.0, i64 1
  store i8 10, ptr %.0, align 1, !tbaa !11
  %18 = ptrtoint ptr %17 to i64
  %19 = ptrtoint ptr %0 to i64
  %20 = sub i64 %18, %19
  %21 = trunc i64 %20 to i32
  ret i32 %21
}

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" }

!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 0}
!6 = !{!"", !7, i64 0, !8, i64 4, !7, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !8, i64 4}
!11 = !{!8, !8, i64 0}


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