; 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: nounwind uwtable
define dso_local ptr @ba_alloc_from_uint8(ptr noundef %0, i64 noundef %1) #3 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  store ptr null, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !11
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %46

11:                                               ; preds = %2
  br label %12

12:                                               ; preds = %11
  %13 = call noalias ptr @malloc(i64 noundef 16) #7
  store ptr %13, ptr %6, align 8, !tbaa !5
  %14 = icmp eq ptr null, %13
  br i1 %14, label %15, label %17

15:                                               ; preds = %12
  store i32 1, ptr %7, align 4, !tbaa !11
  %16 = load i32, ptr %7, align 4, !tbaa !11
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 75, i32 noundef %16, ptr noundef null)
  br label %48

17:                                               ; preds = %12
  br label %18

18:                                               ; preds = %17
  br label %19

19:                                               ; preds = %18
  %20 = load i64, ptr %5, align 8, !tbaa !9
  %21 = icmp ne i64 %20, 0
  br i1 %21, label %22, label %39

22:                                               ; preds = %19
  br label %23

23:                                               ; preds = %22
  %24 = load i64, ptr %5, align 8, !tbaa !9
  %25 = call noalias ptr @malloc(i64 noundef %24) #7
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.ByteArray_st, ptr %26, i32 0, i32 0
  store ptr %25, ptr %27, align 8, !tbaa !13
  %28 = icmp eq ptr null, %25
  br i1 %28, label %29, label %31

29:                                               ; preds = %23
  store i32 1, ptr %7, align 4, !tbaa !11
  %30 = load i32, ptr %7, align 4, !tbaa !11
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 77, i32 noundef %30, ptr noundef null)
  br label %48

31:                                               ; preds = %23
  br label %32

32:                                               ; preds = %31
  br label %33

33:                                               ; preds = %32
  %34 = load ptr, ptr %6, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.ByteArray_st, ptr %34, i32 0, i32 0
  %36 = load ptr, ptr %35, align 8, !tbaa !13
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = load i64, ptr %5, align 8, !tbaa !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %36, ptr align 1 %37, i64 %38, i1 false)
  br label %42

39:                                               ; preds = %19
  %40 = load ptr, ptr %6, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.ByteArray_st, ptr %40, i32 0, i32 0
  store ptr null, ptr %41, align 8, !tbaa !13
  br label %42

42:                                               ; preds = %39, %33
  %43 = load i64, ptr %5, align 8, !tbaa !9
  %44 = load ptr, ptr %6, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.ByteArray_st, ptr %44, i32 0, i32 1
  store i64 %43, ptr %45, align 8, !tbaa !15
  br label %46

46:                                               ; preds = %42, %2
  %47 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %47, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %50

48:                                               ; preds = %29, %15
  %49 = load ptr, ptr %6, align 8, !tbaa !5
  call void @free(ptr noundef %49) #6
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %50

50:                                               ; preds = %48, %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  %51 = load ptr, ptr %3, align 8
  ret ptr %51
}

; 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) #4

; Function Attrs: nounwind
declare void @free(ptr noundef) #5

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 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { nounwind "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 #6 = { nounwind }
attributes #7 = { 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !6, i64 0}
!14 = !{!"ByteArray_st", !6, i64 0, !10, i64 8}
!15 = !{!14, !10, i64 8}


; 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: nounwind uwtable
define dso_local noalias noundef ptr @ba_alloc_from_uint8(ptr noundef readonly %0, i64 noundef %1) local_unnamed_addr #2 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %15, label %3

3:                                                ; preds = %2
  %4 = tail call noalias dereferenceable_or_null(16) ptr @malloc(i64 noundef 16) #5
  %5 = icmp eq ptr %4, null
  br i1 %5, label %14, label %6

6:                                                ; preds = %3
  %.not19 = icmp eq i64 %1, 0
  br i1 %.not19, label %11, label %7

7:                                                ; preds = %6
  %8 = tail call noalias ptr @malloc(i64 noundef %1) #5
  store ptr %8, ptr %4, align 8, !tbaa !5
  %9 = icmp eq ptr %8, null
  br i1 %9, label %14, label %10

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

11:                                               ; preds = %6
  store ptr null, ptr %4, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %11, %10
  %13 = getelementptr inbounds i8, ptr %4, i64 8
  store i64 %1, ptr %13, align 8, !tbaa !11
  br label %15

14:                                               ; preds = %7, %3
  %.sink = phi i64 [ 75, %3 ], [ 77, %7 ]
  tail call void @stacktrace_create(ptr noundef nonnull @.str, i64 noundef %.sink, i32 noundef 1, ptr noundef null) #6
  tail call void @free(ptr noundef %4) #6
  br label %15

15:                                               ; preds = %2, %12, %14
  %.014 = phi ptr [ null, %14 ], [ %4, %12 ], [ null, %2 ]
  ret ptr %.014
}

; 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) #3

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #4

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 = { 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, 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 #5 = { nounwind allocsize(0) }
attributes #6 = { 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, !7, i64 0}
!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, !10, i64 8}


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