; 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 }
%struct.s2n_result = type { i32 }
%struct.s2n_array = type { %struct.s2n_blob, i32, i32 }
%struct.s2n_blob = type { ptr, i32, i32, i8 }

@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@.str.15 = external hidden unnamed_addr constant [88 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @s2n_array_validate(ptr noundef) #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: inlinehint nounwind uwtable
declare hidden zeroext i1 @s2n_result_is_ok(i32) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #5

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_array_num_elements(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca %struct.s2n_result, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %struct.s2n_result, align 4
  %7 = alloca %struct.s2n_result, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %2
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = call i32 @s2n_array_validate(ptr noundef %9)
  %11 = getelementptr inbounds %struct.s2n_result, ptr %7, i32 0, i32 0
  store i32 %10, ptr %11, align 4
  %12 = getelementptr inbounds %struct.s2n_result, ptr %7, i32 0, i32 0
  %13 = load i32, ptr %12, align 4
  %14 = call zeroext i1 @s2n_result_is_ok(i32 %13)
  %15 = xor i1 %14, true
  %16 = xor i1 %15, true
  %17 = zext i1 %16 to i32
  %18 = sext i32 %17 to i64
  %19 = call i64 @llvm.expect.i64(i64 %18, i64 1)
  %20 = icmp ne i64 %19, 0
  br i1 %20, label %21, label %23

21:                                               ; preds = %8
  %22 = getelementptr inbounds %struct.s2n_result, ptr %6, i32 0, i32 0
  store i32 0, ptr %22, align 4, !tbaa !9
  br label %25

23:                                               ; preds = %8
  %24 = getelementptr inbounds %struct.s2n_result, ptr %6, i32 0, i32 0
  store i32 -1, ptr %24, align 4, !tbaa !9
  br label %25

25:                                               ; preds = %23, %21
  %26 = getelementptr inbounds %struct.s2n_result, ptr %6, i32 0, i32 0
  %27 = load i32, ptr %26, align 4
  %28 = call zeroext i1 @s2n_result_is_ok(i32 %27)
  br i1 %28, label %31, label %29

29:                                               ; preds = %25
  %30 = getelementptr inbounds %struct.s2n_result, ptr %3, i32 0, i32 0
  store i32 -1, ptr %30, align 4, !tbaa !9
  br label %75

31:                                               ; preds = %25
  br label %32

32:                                               ; preds = %31
  br label %33

33:                                               ; preds = %32
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = icmp ne ptr %34, null
  br i1 %35, label %68, label %36

36:                                               ; preds = %33
  br label %37

37:                                               ; preds = %36
  br label %38

38:                                               ; preds = %37
  %39 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %40 = getelementptr inbounds %struct.s2n_debug_info, ptr %39, i32 0, i32 0
  store ptr @.str.15, ptr %40, align 8, !tbaa !12
  %41 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %42 = getelementptr inbounds %struct.s2n_debug_info, ptr %41, i32 0, i32 0
  %43 = load ptr, ptr %42, align 8, !tbaa !12
  %44 = getelementptr inbounds i8, ptr %43, i64 21
  %45 = call ptr @strrchr(ptr noundef %44, i32 noundef 47) #6
  %46 = icmp ne ptr %45, null
  br i1 %46, label %47, label %54

47:                                               ; preds = %38
  %48 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %49 = getelementptr inbounds %struct.s2n_debug_info, ptr %48, i32 0, i32 0
  %50 = load ptr, ptr %49, align 8, !tbaa !12
  %51 = getelementptr inbounds i8, ptr %50, i64 21
  %52 = call ptr @strrchr(ptr noundef %51, i32 noundef 47) #6
  %53 = getelementptr inbounds i8, ptr %52, i64 1
  br label %59

54:                                               ; preds = %38
  %55 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %56 = getelementptr inbounds %struct.s2n_debug_info, ptr %55, i32 0, i32 0
  %57 = load ptr, ptr %56, align 8, !tbaa !12
  %58 = getelementptr inbounds i8, ptr %57, i64 21
  br label %59

59:                                               ; preds = %54, %47
  %60 = phi ptr [ %53, %47 ], [ %58, %54 ]
  %61 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %62 = getelementptr inbounds %struct.s2n_debug_info, ptr %61, i32 0, i32 1
  store ptr %60, ptr %62, align 8, !tbaa !14
  %63 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %63, align 4, !tbaa !15
  %64 = call i32 @s2n_calculate_stacktrace()
  br label %65

65:                                               ; preds = %59
  %66 = getelementptr inbounds %struct.s2n_result, ptr %3, i32 0, i32 0
  store i32 -1, ptr %66, align 4, !tbaa !9
  br label %75

67:                                               ; No predecessors!
  br label %68

68:                                               ; preds = %67, %33
  br label %69

69:                                               ; preds = %68
  %70 = load ptr, ptr %4, align 8, !tbaa !5
  %71 = getelementptr inbounds %struct.s2n_array, ptr %70, i32 0, i32 1
  %72 = load i32, ptr %71, align 8, !tbaa !16
  %73 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 %72, ptr %73, align 4, !tbaa !15
  %74 = getelementptr inbounds %struct.s2n_result, ptr %3, i32 0, i32 0
  store i32 0, ptr %74, align 4, !tbaa !9
  br label %75

75:                                               ; preds = %69, %65, %29
  %76 = getelementptr inbounds %struct.s2n_result, ptr %3, i32 0, i32 0
  %77 = load i32, ptr %76, align 4
  ret i32 %77
}

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 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 = { inlinehint 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 = { nocallback nofree nosync nounwind willreturn memory(none) }
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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"", !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !6, i64 0}
!13 = !{!"s2n_debug_info", !6, i64 0, !6, i64 8}
!14 = !{!13, !6, i64 8}
!15 = !{!11, !11, i64 0}
!16 = !{!17, !11, i64 24}
!17 = !{!"s2n_array", !18, i64 0, !11, i64 24, !11, i64 28}
!18 = !{!"s2n_blob", !6, i64 0, !11, i64 8, !11, i64 12, !11, i64 16}


; 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.15 = external hidden unnamed_addr constant [88 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @s2n_array_validate(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #1

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

declare i32 @s2n_calculate_stacktrace() local_unnamed_addr #3

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i1 @s2n_result_is_ok(i32) local_unnamed_addr #4

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_array_num_elements(ptr noundef %0, ptr noundef writeonly %1) local_unnamed_addr #0 {
  %3 = tail call i32 @s2n_array_validate(ptr noundef %0)
  %4 = tail call zeroext i1 @s2n_result_is_ok(i32 %3)
  %not. = xor i1 %4, true
  %. = sext i1 %not. to i32
  %5 = tail call zeroext i1 @s2n_result_is_ok(i32 %.)
  br i1 %5, label %6, label %18

6:                                                ; preds = %2
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %7, label %15

7:                                                ; preds = %6
  %8 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.15, ptr %8, align 8, !tbaa !5
  %9 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.15, i64 21), i32 noundef 47) #5
  %.not7 = icmp eq ptr %9, null
  %10 = getelementptr inbounds i8, ptr %9, i64 1
  %11 = select i1 %.not7, ptr getelementptr inbounds (i8, ptr @.str.15, i64 21), ptr %10
  %12 = getelementptr inbounds i8, ptr %8, i64 8
  store ptr %11, ptr %12, align 8, !tbaa !10
  %13 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %13, align 4, !tbaa !11
  %14 = tail call i32 @s2n_calculate_stacktrace() #6
  br label %18

15:                                               ; preds = %6
  %16 = getelementptr inbounds i8, ptr %0, i64 24
  %17 = load i32, ptr %16, align 8, !tbaa !13
  store i32 %17, ptr %1, align 4, !tbaa !11
  br label %18

18:                                               ; preds = %2, %15, %7
  %.sroa.05.0 = phi i32 [ 0, %15 ], [ -1, %7 ], [ -1, %2 ]
  ret i32 %.sroa.05.0
}

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 nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { 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 #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 = { inlinehint 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 willreturn memory(read) }
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 = !{!"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}
!13 = !{!14, !12, i64 24}
!14 = !{!"s2n_array", !15, i64 0, !12, i64 24, !12, i64 28}
!15 = !{!"s2n_blob", !7, i64 0, !12, i64 8, !12, i64 12, !12, i64 16}


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