; LLVM IR from aws/s2n-tls :: utils (s2n_mem)

; 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 }

@initialized = external hidden global i8, align 1
@.str = external hidden unnamed_addr constant [86 x i8], align 1
@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_mem_set_callbacks(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca %struct.s2n_result, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %4
  %12 = load i8, ptr @initialized, align 1, !tbaa !9, !range !11, !noundef !12
  %13 = trunc i8 %12 to i1
  br i1 %13, label %14, label %45

14:                                               ; preds = %11
  br label %15

15:                                               ; preds = %14
  br label %16

16:                                               ; preds = %15
  %17 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %18 = getelementptr inbounds %struct.s2n_debug_info, ptr %17, i32 0, i32 0
  store ptr @.str, ptr %18, align 8, !tbaa !13
  %19 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %20 = getelementptr inbounds %struct.s2n_debug_info, ptr %19, i32 0, i32 0
  %21 = load ptr, ptr %20, align 8, !tbaa !13
  %22 = getelementptr inbounds i8, ptr %21, i64 21
  %23 = call ptr @strrchr(ptr noundef %22, i32 noundef 47) #5
  %24 = icmp ne ptr %23, null
  br i1 %24, label %25, label %32

25:                                               ; preds = %16
  %26 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %27 = getelementptr inbounds %struct.s2n_debug_info, ptr %26, i32 0, i32 0
  %28 = load ptr, ptr %27, align 8, !tbaa !13
  %29 = getelementptr inbounds i8, ptr %28, i64 21
  %30 = call ptr @strrchr(ptr noundef %29, i32 noundef 47) #5
  %31 = getelementptr inbounds i8, ptr %30, i64 1
  br label %37

32:                                               ; preds = %16
  %33 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %34 = getelementptr inbounds %struct.s2n_debug_info, ptr %33, i32 0, i32 0
  %35 = load ptr, ptr %34, align 8, !tbaa !13
  %36 = getelementptr inbounds i8, ptr %35, i64 21
  br label %37

37:                                               ; preds = %32, %25
  %38 = phi ptr [ %31, %25 ], [ %36, %32 ]
  %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 1
  store ptr %38, ptr %40, align 8, !tbaa !15
  %41 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653195, ptr %41, align 4, !tbaa !16
  %42 = call i32 @s2n_calculate_stacktrace()
  br label %43

43:                                               ; preds = %37
  store i32 -1, ptr %5, align 4
  br label %60

44:                                               ; No predecessors!
  br label %45

45:                                               ; preds = %44, %11
  br label %46

46:                                               ; preds = %45
  br label %47

47:                                               ; preds = %46
  %48 = load ptr, ptr %6, align 8, !tbaa !5
  %49 = load ptr, ptr %7, align 8, !tbaa !5
  %50 = load ptr, ptr %8, align 8, !tbaa !5
  %51 = load ptr, ptr %9, align 8, !tbaa !5
  %52 = call i32 @s2n_mem_override_callbacks(ptr noundef %48, ptr noundef %49, ptr noundef %50, ptr noundef %51)
  %53 = getelementptr inbounds %struct.s2n_result, ptr %10, i32 0, i32 0
  store i32 %52, ptr %53, align 4
  %54 = getelementptr inbounds %struct.s2n_result, ptr %10, i32 0, i32 0
  %55 = load i32, ptr %54, align 4
  %56 = call zeroext i1 @s2n_result_is_ok(i32 %55)
  br i1 %56, label %58, label %57

57:                                               ; preds = %47
  store i32 -1, ptr %5, align 4
  br label %60

58:                                               ; preds = %47
  br label %59

59:                                               ; preds = %58
  store i32 0, ptr %5, align 4
  br label %60

60:                                               ; preds = %59, %57, %43
  %61 = load i32, ptr %5, align 4
  ret i32 %61
}

; 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: nounwind uwtable
declare dso_local i32 @s2n_mem_override_callbacks(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #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 = { 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 = { 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, !10, i64 0}
!10 = !{!"_Bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = !{!14, !6, i64 0}
!14 = !{!"s2n_debug_info", !6, i64 0, !6, i64 8}
!15 = !{!14, !6, i64 8}
!16 = !{!17, !17, i64 0}
!17 = !{!"int", !7, 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"

%struct.s2n_debug_info = type { ptr, ptr }

@initialized = external hidden local_unnamed_addr global i8, align 1
@.str = external hidden unnamed_addr constant [86 x i8], align 1
@_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

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_mem_set_callbacks(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #0 {
  %5 = load i8, ptr @initialized, align 1, !tbaa !5, !range !9, !noundef !10
  %6 = trunc nuw i8 %5 to i1
  br i1 %6, label %7, label %15

7:                                                ; preds = %4
  %8 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str, ptr %8, align 8, !tbaa !11
  %9 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str, i64 21), i32 noundef 47) #5
  %.not = icmp eq ptr %9, null
  %10 = getelementptr inbounds i8, ptr %9, i64 1
  %11 = select i1 %.not, ptr getelementptr inbounds (i8, ptr @.str, i64 21), ptr %10
  %12 = getelementptr inbounds i8, ptr %8, i64 8
  store ptr %11, ptr %12, align 8, !tbaa !14
  %13 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653195, ptr %13, align 4, !tbaa !15
  %14 = tail call i32 @s2n_calculate_stacktrace() #6
  br label %18

15:                                               ; preds = %4
  %16 = tail call i32 @s2n_mem_override_callbacks(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3)
  %17 = tail call zeroext i1 @s2n_result_is_ok(i32 %16)
  %not. = xor i1 %17, true
  %. = sext i1 %not. to i32
  br label %18

18:                                               ; preds = %15, %7
  %.0 = phi i32 [ -1, %7 ], [ %., %15 ]
  ret i32 %.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
declare dso_local i32 @s2n_mem_override_callbacks(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #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, !6, i64 0}
!6 = !{!"_Bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{i8 0, i8 2}
!10 = !{}
!11 = !{!12, !13, i64 0}
!12 = !{!"s2n_debug_info", !13, i64 0, !13, i64 8}
!13 = !{!"any pointer", !7, i64 0}
!14 = !{!12, !13, i64 8}
!15 = !{!16, !16, i64 0}
!16 = !{!"int", !7, i64 0}


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