; 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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) #2

; 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) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @ba_to_uint8_with_alloc(ptr noundef %0, ptr noundef %1, ptr noundef %2) #4 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, 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 ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 0, ptr %7, align 4, !tbaa !9
  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 !9
  %12 = load i32, ptr %7, align 4, !tbaa !9
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 272, i32 noundef %12, ptr noundef null)
  br label %56

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 !9
  %20 = load i32, ptr %7, align 4, !tbaa !9
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 273, i32 noundef %20, ptr noundef null)
  br label %56

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 %6, align 8, !tbaa !5
  %26 = icmp ne ptr %25, null
  br i1 %26, label %29, label %27

27:                                               ; preds = %24
  store i32 2, ptr %7, align 4, !tbaa !9
  %28 = load i32, ptr %7, align 4, !tbaa !9
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 274, i32 noundef %28, ptr noundef null)
  br label %56

29:                                               ; preds = %24
  br label %30

30:                                               ; preds = %29
  br label %31

31:                                               ; preds = %30
  br label %32

32:                                               ; preds = %31
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.ByteArray_st, ptr %33, i32 0, i32 1
  %35 = load i64, ptr %34, align 8, !tbaa !11
  %36 = call noalias ptr @malloc(i64 noundef %35) #6
  %37 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %36, ptr %37, align 8, !tbaa !5
  %38 = icmp eq ptr null, %36
  br i1 %38, label %39, label %41

39:                                               ; preds = %32
  store i32 1, ptr %7, align 4, !tbaa !9
  %40 = load i32, ptr %7, align 4, !tbaa !9
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 276, i32 noundef %40, ptr noundef null)
  br label %56

41:                                               ; preds = %32
  br label %42

42:                                               ; preds = %41
  br label %43

43:                                               ; preds = %42
  %44 = load ptr, ptr %5, align 8, !tbaa !5
  %45 = load ptr, ptr %44, align 8, !tbaa !5
  %46 = load ptr, ptr %4, align 8, !tbaa !5
  %47 = getelementptr inbounds %struct.ByteArray_st, ptr %46, i32 0, i32 0
  %48 = load ptr, ptr %47, align 8, !tbaa !14
  %49 = load ptr, ptr %4, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.ByteArray_st, ptr %49, i32 0, i32 1
  %51 = load i64, ptr %50, align 8, !tbaa !11
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %45, ptr align 1 %48, i64 %51, i1 false)
  %52 = load ptr, ptr %4, align 8, !tbaa !5
  %53 = getelementptr inbounds %struct.ByteArray_st, ptr %52, i32 0, i32 1
  %54 = load i64, ptr %53, align 8, !tbaa !11
  %55 = load ptr, ptr %6, align 8, !tbaa !5
  store i64 %54, ptr %55, align 8, !tbaa !15
  br label %56

56:                                               ; preds = %43, %39, %27, %19, %11
  %57 = load i32, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  ret i32 %57
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind allocsize(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 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { nounwind }
attributes #6 = { nounwind allocsize(0) }

!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, !13, i64 8}
!12 = !{!"ByteArray_st", !6, i64 0, !13, i64 8}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !6, i64 0}
!15 = !{!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"

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

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #0

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

; 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) #2

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 3) i32 @ba_to_uint8_with_alloc(ptr noundef readonly %0, ptr noundef writeonly %1, ptr noundef writeonly %2) local_unnamed_addr #3 {
  %.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 272, i32 noundef 2, ptr noundef null) #4
  br label %17

5:                                                ; preds = %3
  %.not18 = icmp eq ptr %1, null
  br i1 %.not18, label %6, label %7

6:                                                ; preds = %5
  tail call void @stacktrace_create(ptr noundef nonnull @.str, i64 noundef 273, i32 noundef 2, ptr noundef null) #4
  br label %17

7:                                                ; preds = %5
  %.not19 = icmp eq ptr %2, null
  br i1 %.not19, label %8, label %9

8:                                                ; preds = %7
  tail call void @stacktrace_create(ptr noundef nonnull @.str, i64 noundef 274, i32 noundef 2, ptr noundef null) #4
  br label %17

9:                                                ; preds = %7
  %10 = getelementptr inbounds i8, ptr %0, i64 8
  %11 = load i64, ptr %10, align 8, !tbaa !5
  %12 = tail call noalias ptr @malloc(i64 noundef %11) #5
  store ptr %12, ptr %1, align 8, !tbaa !11
  %13 = icmp eq ptr %12, null
  br i1 %13, label %14, label %15

14:                                               ; preds = %9
  tail call void @stacktrace_create(ptr noundef nonnull @.str, i64 noundef 276, i32 noundef 1, ptr noundef null) #4
  br label %17

15:                                               ; preds = %9
  %16 = load ptr, ptr %0, align 8, !tbaa !12
  tail call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 1 %12, ptr align 1 %16, i64 %11, i1 false)
  store i64 %11, ptr %2, align 8, !tbaa !13
  br label %17

17:                                               ; preds = %15, %14, %8, %6, %4
  %.0 = phi i32 [ 1, %14 ], [ 0, %15 ], [ 2, %8 ], [ 2, %6 ], [ 2, %4 ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { "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 = { mustprogress 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 }
attributes #5 = { nounwind allocsize(0) }

!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 = !{!7, !7, i64 0}
!12 = !{!6, !7, i64 0}
!13 = !{!10, !10, i64 0}


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