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

; 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 [29 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local ptr @ba_alloc_from_uint8_be(ptr noundef %0, i64 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store ptr null, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !11
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = icmp ne ptr %7, null
  br i1 %8, label %9, label %36

9:                                                ; preds = %2
  %10 = load i64, ptr %4, align 8, !tbaa !9
  %11 = icmp ne i64 %10, 0
  br i1 %11, label %12, label %36

12:                                               ; preds = %9
  br label %13

13:                                               ; preds = %12
  %14 = call noalias ptr @malloc(i64 noundef 16) #5
  store ptr %14, ptr %5, align 8, !tbaa !5
  %15 = icmp eq ptr null, %14
  br i1 %15, label %16, label %18

16:                                               ; preds = %13
  store i32 1, ptr %6, align 4, !tbaa !11
  %17 = load i32, ptr %6, align 4, !tbaa !11
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 43, i32 noundef %17, ptr noundef null)
  br label %37

18:                                               ; preds = %13
  br label %19

19:                                               ; preds = %18
  br label %20

20:                                               ; preds = %19
  br label %21

21:                                               ; preds = %20
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = load i64, ptr %4, align 8, !tbaa !9
  %24 = call ptr @uint8_swap_with_alloc(ptr noundef %22, i64 noundef %23)
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.ByteArray_st, ptr %25, i32 0, i32 0
  store ptr %24, ptr %26, align 8, !tbaa !13
  %27 = icmp eq ptr null, %24
  br i1 %27, label %28, label %30

28:                                               ; preds = %21
  store i32 2, ptr %6, align 4, !tbaa !11
  %29 = load i32, ptr %6, align 4, !tbaa !11
  call void @stacktrace_add(ptr noundef @.str, i64 noundef 44, i32 noundef %29)
  br label %37

30:                                               ; preds = %21
  br label %31

31:                                               ; preds = %30
  br label %32

32:                                               ; preds = %31
  %33 = load i64, ptr %4, align 8, !tbaa !9
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.ByteArray_st, ptr %34, i32 0, i32 1
  store i64 %33, ptr %35, align 8, !tbaa !15
  br label %36

36:                                               ; preds = %32, %9, %2
  br label %37

37:                                               ; preds = %36, %28, %16
  %38 = load i32, ptr %6, align 4, !tbaa !11
  %39 = icmp ne i32 %38, 0
  br i1 %39, label %40, label %42

40:                                               ; preds = %37
  %41 = load ptr, ptr %5, align 8, !tbaa !5
  call void @ba_free(ptr noundef %41)
  store ptr null, ptr %5, align 8, !tbaa !5
  br label %42

42:                                               ; preds = %40, %37
  %43 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  ret ptr %43
}

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) #3

declare ptr @uint8_swap_with_alloc(ptr noundef, i64 noundef) #3

declare void @stacktrace_add(ptr noundef, i64 noundef, i32 noundef) #3

declare void @ba_free(ptr noundef) #3

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

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 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 #3 = { "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, !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 [29 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @ba_alloc_from_uint8_be(ptr noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = icmp ne ptr %0, null
  %4 = icmp ne i64 %1, 0
  %or.cond = and i1 %3, %4
  br i1 %or.cond, label %5, label %.thread

5:                                                ; preds = %2
  %6 = tail call noalias dereferenceable_or_null(16) ptr @malloc(i64 noundef 16) #3
  %7 = icmp eq ptr %6, null
  br i1 %7, label %8, label %9

8:                                                ; preds = %5
  tail call void @stacktrace_create(ptr noundef nonnull @.str, i64 noundef 43, i32 noundef 1, ptr noundef null) #4
  br label %15

9:                                                ; preds = %5
  %10 = tail call ptr @uint8_swap_with_alloc(ptr noundef nonnull %0, i64 noundef %1) #4
  store ptr %10, ptr %6, align 8, !tbaa !5
  %11 = icmp eq ptr %10, null
  br i1 %11, label %12, label %13

12:                                               ; preds = %9
  tail call void @stacktrace_add(ptr noundef nonnull @.str, i64 noundef 44, i32 noundef 2) #4
  br label %15

13:                                               ; preds = %9
  %14 = getelementptr inbounds i8, ptr %6, i64 8
  store i64 %1, ptr %14, align 8, !tbaa !11
  br label %.thread

15:                                               ; preds = %8, %12
  tail call void @ba_free(ptr noundef %6) #4
  br label %.thread

.thread:                                          ; preds = %2, %13, %15
  %.1 = phi ptr [ null, %15 ], [ null, %2 ], [ %6, %13 ]
  ret ptr %.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 #1

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

declare ptr @uint8_swap_with_alloc(ptr noundef, i64 noundef) local_unnamed_addr #2

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

declare void @ba_free(ptr noundef) local_unnamed_addr #2

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 = { 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 #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 allocsize(0) }
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, !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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass