; LLVM IR from specinfo-ua/UAPKI :: library/uapkic/src (byte-array)

; 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.ByteArray_st = type { ptr, i64 }

@.str = external hidden unnamed_addr constant [20 x i8], align 1

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

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) #1

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

; 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) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @ba_to_uint8(ptr noundef %0, ptr noundef %1, i64 noundef %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !11
  br label %8

8:                                                ; preds = %3
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %13, label %11

11:                                               ; preds = %8
  store i32 2, ptr %7, align 4, !tbaa !11
  %12 = load i32, ptr %7, align 4, !tbaa !11
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 288, i32 noundef %12, ptr noundef null)
  br label %42

13:                                               ; preds = %8
  br label %14

14:                                               ; preds = %13
  br label %15

15:                                               ; preds = %14
  br label %16

16:                                               ; preds = %15
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %21, label %19

19:                                               ; preds = %16
  store i32 2, ptr %7, align 4, !tbaa !11
  %20 = load i32, ptr %7, align 4, !tbaa !11
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 289, i32 noundef %20, ptr noundef null)
  br label %42

21:                                               ; preds = %16
  br label %22

22:                                               ; preds = %21
  br label %23

23:                                               ; preds = %22
  br label %24

24:                                               ; preds = %23
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.ByteArray_st, ptr %25, i32 0, i32 1
  %27 = load i64, ptr %26, align 8, !tbaa !13
  %28 = load i64, ptr %6, align 8, !tbaa !9
  %29 = icmp ule i64 %27, %28
  br i1 %29, label %32, label %30

30:                                               ; preds = %24
  store i32 2, ptr %7, align 4, !tbaa !11
  %31 = load i32, ptr %7, align 4, !tbaa !11
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 290, i32 noundef %31, ptr noundef null)
  br label %42

32:                                               ; preds = %24
  br label %33

33:                                               ; preds = %32
  br label %34

34:                                               ; preds = %33
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.ByteArray_st, ptr %36, i32 0, i32 0
  %38 = load ptr, ptr %37, align 8, !tbaa !15
  %39 = load ptr, ptr %4, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.ByteArray_st, ptr %39, i32 0, i32 1
  %41 = load i64, ptr %40, align 8, !tbaa !13
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %35, ptr align 1 %38, i64 %41, i1 false)
  br label %42

42:                                               ; preds = %34, %30, %19, %11
  %43 = load i32, ptr %7, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  ret i32 %43
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !10, i64 8}
!14 = !{!"ByteArray_st", !6, i64 0, !10, i64 8}
!15 = !{!14, !6, 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 = external hidden unnamed_addr constant [20 x i8], align 1

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress 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) #1

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 3) i32 @ba_to_uint8(ptr noundef readonly %0, ptr noundef writeonly %1, i64 noundef %2) local_unnamed_addr #2 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %4, label %5

4:                                                ; preds = %3
  tail call void @stacktrace_create(ptr noundef nonnull @.str, i64 noundef 288, i32 noundef 2, ptr noundef null) #3
  br label %13

5:                                                ; preds = %3
  %.not13 = icmp eq ptr %1, null
  br i1 %.not13, label %6, label %7

6:                                                ; preds = %5
  tail call void @stacktrace_create(ptr noundef nonnull @.str, i64 noundef 289, i32 noundef 2, ptr noundef null) #3
  br label %13

7:                                                ; preds = %5
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load i64, ptr %8, align 8, !tbaa !5
  %.not14 = icmp ugt i64 %9, %2
  br i1 %.not14, label %10, label %11

10:                                               ; preds = %7
  tail call void @stacktrace_create(ptr noundef nonnull @.str, i64 noundef 290, i32 noundef 2, ptr noundef null) #3
  br label %13

11:                                               ; preds = %7
  %12 = load ptr, ptr %0, align 8, !tbaa !11
  tail call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 1 %1, ptr align 1 %12, i64 %9, i1 false)
  br label %13

13:                                               ; preds = %11, %10, %6, %4
  %.0 = phi i32 [ 0, %11 ], [ 2, %10 ], [ 2, %6 ], [ 2, %4 ]
  ret i32 %.0
}

attributes #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 nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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, !10, i64 8}
!6 = !{!"ByteArray_st", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !7, i64 0}


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