; LLVM IR from aws/s2n-tls :: tls (s2n_ktls)

; 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 }

@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@.str.1 = external hidden unnamed_addr constant [85 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [85 x i8], align 1

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

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

declare i32 @s2n_calculate_stacktrace() #2

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_ktls_get_file_descriptor(ptr noundef %0, i32 noundef %1, ptr noundef %2) #3 {
  %4 = alloca %struct.s2n_result, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %3
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %43, 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.1, 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) #4
  %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) #4
  %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 !9
  %39 = call i32 @s2n_calculate_stacktrace()
  br label %40

40:                                               ; preds = %34
  %41 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %41, align 4, !tbaa !14
  br label %110

42:                                               ; No predecessors!
  br label %43

43:                                               ; preds = %42, %8
  br label %44

44:                                               ; preds = %43
  br label %45

45:                                               ; preds = %44
  %46 = load ptr, ptr %7, align 8, !tbaa !5
  %47 = icmp ne ptr %46, null
  br i1 %47, label %80, label %48

48:                                               ; preds = %45
  br label %49

49:                                               ; preds = %48
  br label %50

50:                                               ; preds = %49
  %51 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %52 = getelementptr inbounds %struct.s2n_debug_info, ptr %51, i32 0, i32 0
  store ptr @.str.2, ptr %52, align 8, !tbaa !11
  %53 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %54 = getelementptr inbounds %struct.s2n_debug_info, ptr %53, i32 0, i32 0
  %55 = load ptr, ptr %54, align 8, !tbaa !11
  %56 = getelementptr inbounds i8, ptr %55, i64 21
  %57 = call ptr @strrchr(ptr noundef %56, i32 noundef 47) #4
  %58 = icmp ne ptr %57, null
  br i1 %58, label %59, label %66

59:                                               ; preds = %50
  %60 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %61 = getelementptr inbounds %struct.s2n_debug_info, ptr %60, i32 0, i32 0
  %62 = load ptr, ptr %61, align 8, !tbaa !11
  %63 = getelementptr inbounds i8, ptr %62, i64 21
  %64 = call ptr @strrchr(ptr noundef %63, i32 noundef 47) #4
  %65 = getelementptr inbounds i8, ptr %64, i64 1
  br label %71

66:                                               ; preds = %50
  %67 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %68 = getelementptr inbounds %struct.s2n_debug_info, ptr %67, i32 0, i32 0
  %69 = load ptr, ptr %68, align 8, !tbaa !11
  %70 = getelementptr inbounds i8, ptr %69, i64 21
  br label %71

71:                                               ; preds = %66, %59
  %72 = phi ptr [ %65, %59 ], [ %70, %66 ]
  %73 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %74 = getelementptr inbounds %struct.s2n_debug_info, ptr %73, i32 0, i32 1
  store ptr %72, ptr %74, align 8, !tbaa !13
  %75 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %75, align 4, !tbaa !9
  %76 = call i32 @s2n_calculate_stacktrace()
  br label %77

77:                                               ; preds = %71
  %78 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %78, align 4, !tbaa !14
  br label %110

79:                                               ; No predecessors!
  br label %80

80:                                               ; preds = %79, %45
  br label %81

81:                                               ; preds = %80
  %82 = load i32, ptr %6, align 4, !tbaa !9
  %83 = icmp eq i32 %82, 1
  br i1 %83, label %84, label %94

84:                                               ; preds = %81
  br label %85

85:                                               ; preds = %84
  %86 = load ptr, ptr %5, align 8, !tbaa !5
  %87 = load ptr, ptr %7, align 8, !tbaa !5
  %88 = call i32 @s2n_connection_get_read_fd(ptr noundef %86, ptr noundef %87)
  %89 = icmp sgt i32 %88, -1
  br i1 %89, label %92, label %90

90:                                               ; preds = %85
  %91 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %91, align 4, !tbaa !14
  br label %110

92:                                               ; preds = %85
  br label %93

93:                                               ; preds = %92
  br label %108

94:                                               ; preds = %81
  %95 = load i32, ptr %6, align 4, !tbaa !9
  %96 = icmp eq i32 %95, 0
  br i1 %96, label %97, label %107

97:                                               ; preds = %94
  br label %98

98:                                               ; preds = %97
  %99 = load ptr, ptr %5, align 8, !tbaa !5
  %100 = load ptr, ptr %7, align 8, !tbaa !5
  %101 = call i32 @s2n_connection_get_write_fd(ptr noundef %99, ptr noundef %100)
  %102 = icmp sgt i32 %101, -1
  br i1 %102, label %105, label %103

103:                                              ; preds = %98
  %104 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %104, align 4, !tbaa !14
  br label %110

105:                                              ; preds = %98
  br label %106

106:                                              ; preds = %105
  br label %107

107:                                              ; preds = %106, %94
  br label %108

108:                                              ; preds = %107, %93
  %109 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 0, ptr %109, align 4, !tbaa !14
  br label %110

110:                                              ; preds = %108, %103, %90, %77, %40
  %111 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  %112 = load i32, ptr %111, align 4
  ret i32 %112
}

declare i32 @s2n_connection_get_read_fd(ptr noundef, ptr noundef) #2

declare i32 @s2n_connection_get_write_fd(ptr noundef, ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { 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 #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) }

!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 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"s2n_debug_info", !6, i64 0, !6, i64 8}
!13 = !{!12, !6, i64 8}
!14 = !{!15, !10, i64 0}
!15 = !{!"", !10, 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 }

@_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.1 = external hidden unnamed_addr constant [85 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [85 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 range(i32 -1, 1) i32 @s2n_ktls_get_file_descriptor(ptr noundef %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #3 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %4, label %12

4:                                                ; preds = %3
  %5 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.1, ptr %5, align 8, !tbaa !5
  %6 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.1, i64 21), i32 noundef 47) #4
  %.not11 = icmp eq ptr %6, null
  %7 = getelementptr inbounds i8, ptr %6, i64 1
  %8 = select i1 %.not11, ptr getelementptr inbounds (i8, ptr @.str.1, i64 21), ptr %7
  %9 = getelementptr inbounds i8, ptr %5, i64 8
  store ptr %8, ptr %9, align 8, !tbaa !10
  %10 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %10, align 4, !tbaa !11
  %11 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %29

12:                                               ; preds = %3
  %.not12 = icmp eq ptr %2, null
  br i1 %.not12, label %13, label %21

13:                                               ; preds = %12
  %14 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.2, ptr %14, align 8, !tbaa !5
  %15 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.2, i64 21), i32 noundef 47) #4
  %.not13 = icmp eq ptr %15, null
  %16 = getelementptr inbounds i8, ptr %15, i64 1
  %17 = select i1 %.not13, ptr getelementptr inbounds (i8, ptr @.str.2, i64 21), ptr %16
  %18 = getelementptr inbounds i8, ptr %14, i64 8
  store ptr %17, ptr %18, align 8, !tbaa !10
  %19 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %19, align 4, !tbaa !11
  %20 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %29

21:                                               ; preds = %12
  switch i32 %1, label %28 [
    i32 1, label %22
    i32 0, label %25
  ]

22:                                               ; preds = %21
  %23 = tail call i32 @s2n_connection_get_read_fd(ptr noundef nonnull %0, ptr noundef nonnull %2) #5
  %24 = icmp sgt i32 %23, -1
  br i1 %24, label %28, label %29

25:                                               ; preds = %21
  %26 = tail call i32 @s2n_connection_get_write_fd(ptr noundef nonnull %0, ptr noundef nonnull %2) #5
  %27 = icmp sgt i32 %26, -1
  br i1 %27, label %28, label %29

28:                                               ; preds = %21, %25, %22
  br label %29

29:                                               ; preds = %25, %22, %28, %13, %4
  %.sroa.0.0 = phi i32 [ 0, %28 ], [ -1, %13 ], [ -1, %4 ], [ -1, %22 ], [ -1, %25 ]
  ret i32 %.sroa.0.0
}

declare i32 @s2n_connection_get_read_fd(ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @s2n_connection_get_write_fd(ptr noundef, ptr noundef) local_unnamed_addr #2

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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass