; LLVM IR from aws/s2n-tls :: utils (s2n_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.s2n_debug_info = type { ptr, ptr }

@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@.str.4 = external hidden unnamed_addr constant [87 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: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #1

; Function Attrs: nounwind willreturn memory(read)
declare ptr @strrchr(ptr noundef, i32 noundef) #2

declare i32 @s2n_calculate_stacktrace() #3

; 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 @s2n_array_new(i32 noundef %0) #4 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %6 = load i32, ptr %3, align 4, !tbaa !5
  %7 = call ptr @s2n_array_new_with_capacity(i32 noundef %6, i32 noundef 16)
  store ptr %7, ptr %4, align 8, !tbaa !9
  br label %8

8:                                                ; preds = %1
  %9 = load ptr, ptr %4, align 8, !tbaa !9
  %10 = icmp ne ptr %9, null
  br i1 %10, label %44, label %11

11:                                               ; preds = %8
  br label %12

12:                                               ; preds = %11
  br label %13

13:                                               ; preds = %12
  %14 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %15 = getelementptr inbounds %struct.s2n_debug_info, ptr %14, i32 0, i32 0
  store ptr @.str.4, ptr %15, align 8, !tbaa !11
  %16 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %17 = getelementptr inbounds %struct.s2n_debug_info, ptr %16, i32 0, i32 0
  %18 = load ptr, ptr %17, align 8, !tbaa !11
  %19 = getelementptr inbounds i8, ptr %18, i64 21
  %20 = call ptr @strrchr(ptr noundef %19, i32 noundef 47) #6
  %21 = icmp ne ptr %20, null
  br i1 %21, label %22, label %29

22:                                               ; preds = %13
  %23 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %24 = getelementptr inbounds %struct.s2n_debug_info, ptr %23, i32 0, i32 0
  %25 = load ptr, ptr %24, align 8, !tbaa !11
  %26 = getelementptr inbounds i8, ptr %25, i64 21
  %27 = call ptr @strrchr(ptr noundef %26, i32 noundef 47) #6
  %28 = getelementptr inbounds i8, ptr %27, i64 1
  br label %34

29:                                               ; preds = %13
  %30 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %31 = getelementptr inbounds %struct.s2n_debug_info, ptr %30, i32 0, i32 0
  %32 = load ptr, ptr %31, align 8, !tbaa !11
  %33 = getelementptr inbounds i8, ptr %32, i64 21
  br label %34

34:                                               ; preds = %29, %22
  %35 = phi ptr [ %28, %22 ], [ %33, %29 ]
  %36 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %37 = getelementptr inbounds %struct.s2n_debug_info, ptr %36, i32 0, i32 1
  store ptr %35, ptr %37, align 8, !tbaa !13
  %38 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %38, align 4, !tbaa !5
  %39 = call i32 @s2n_calculate_stacktrace()
  br label %40

40:                                               ; preds = %34
  br label %41

41:                                               ; preds = %40
  store ptr null, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %48

42:                                               ; No predecessors!
  br label %43

43:                                               ; preds = %42
  br label %44

44:                                               ; preds = %43, %8
  br label %45

45:                                               ; preds = %44
  br label %46

46:                                               ; preds = %45
  %47 = load ptr, ptr %4, align 8, !tbaa !9
  store ptr %47, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %48

48:                                               ; preds = %46, %41
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  %49 = load ptr, ptr %2, align 8
  ret ptr %49
}

; Function Attrs: nounwind uwtable
declare dso_local ptr @s2n_array_new_with_capacity(i32 noundef, i32 noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { nounwind willreturn memory(read) "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 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 willreturn memory(read) }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"s2n_debug_info", !10, i64 0, !10, i64 8}
!13 = !{!12, !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"

%struct.s2n_debug_info = type { ptr, ptr }

@_s2n_debug_info = external thread_local local_unnamed_addr global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local local_unnamed_addr global i32, align 4
@.str.4 = external hidden unnamed_addr constant [87 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare ptr @strrchr(ptr noundef, i32 noundef) local_unnamed_addr #1

declare i32 @s2n_calculate_stacktrace() local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local ptr @s2n_array_new(i32 noundef %0) local_unnamed_addr #3 {
  %2 = tail call ptr @s2n_array_new_with_capacity(i32 noundef %0, i32 noundef 16)
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %3, label %11

3:                                                ; preds = %1
  %4 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.4, ptr %4, align 8, !tbaa !5
  %5 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.4, i64 21), i32 noundef 47) #4
  %.not5 = icmp eq ptr %5, null
  %6 = getelementptr inbounds i8, ptr %5, i64 1
  %7 = select i1 %.not5, ptr getelementptr inbounds (i8, ptr @.str.4, i64 21), ptr %6
  %8 = getelementptr inbounds i8, ptr %4, i64 8
  store ptr %7, ptr %8, align 8, !tbaa !10
  %9 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %9, align 4, !tbaa !11
  %10 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %11

11:                                               ; preds = %1, %3
  ret ptr %2
}

; Function Attrs: nounwind uwtable
declare dso_local ptr @s2n_array_new_with_capacity(i32 noundef, i32 noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { nounwind willreturn memory(read) }
attributes #5 = { 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 = !{!"s2n_debug_info", !7, i64 0, !7, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !8, i64 0}


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