; LLVM IR from aws/s2n-tls :: tls (s2n_fingerprint)

; 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_client_hello = type { %struct.s2n_blob, %struct.s2n_parsed_extensions_list, %struct.s2n_blob, %struct.s2n_blob, %struct.s2n_blob, i8, i8, i8 }
%struct.s2n_parsed_extensions_list = type { [21 x %struct.s2n_parsed_extension], %struct.s2n_blob, i16 }
%struct.s2n_parsed_extension = type { %struct.s2n_blob, i16, i16, i8 }
%struct.s2n_blob = type { ptr, i32, i32, i8 }
%struct.s2n_fingerprint = type { i64, ptr, ptr, %struct.s2n_hash_state, %struct.s2n_stuffer }
%struct.s2n_hash_state = type { ptr, i32, i8, i64, %union.anon }
%union.anon = type { %struct.s2n_hash_evp_digest }
%struct.s2n_hash_evp_digest = type { %struct.s2n_evp_digest, %struct.s2n_evp_digest }
%struct.s2n_evp_digest = type { ptr, ptr }
%struct.s2n_stuffer = type { %struct.s2n_blob, i32, 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.2 = external hidden unnamed_addr constant [91 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [91 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [91 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
declare dso_local i32 @s2n_fingerprint_wipe(ptr noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_fingerprint_set_client_hello(ptr noundef %0, ptr noundef %1) #3 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %2
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = icmp ne ptr %7, null
  br i1 %8, label %40, label %9

9:                                                ; preds = %6
  br label %10

10:                                               ; preds = %9
  br label %11

11:                                               ; preds = %10
  %12 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %13 = getelementptr inbounds %struct.s2n_debug_info, ptr %12, i32 0, i32 0
  store ptr @.str.2, ptr %13, align 8, !tbaa !9
  %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
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  %17 = getelementptr inbounds i8, ptr %16, i64 21
  %18 = call ptr @strrchr(ptr noundef %17, i32 noundef 47) #4
  %19 = icmp ne ptr %18, null
  br i1 %19, label %20, label %27

20:                                               ; preds = %11
  %21 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %22 = getelementptr inbounds %struct.s2n_debug_info, ptr %21, i32 0, i32 0
  %23 = load ptr, ptr %22, align 8, !tbaa !9
  %24 = getelementptr inbounds i8, ptr %23, i64 21
  %25 = call ptr @strrchr(ptr noundef %24, i32 noundef 47) #4
  %26 = getelementptr inbounds i8, ptr %25, i64 1
  br label %32

27:                                               ; preds = %11
  %28 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %29 = getelementptr inbounds %struct.s2n_debug_info, ptr %28, i32 0, i32 0
  %30 = load ptr, ptr %29, align 8, !tbaa !9
  %31 = getelementptr inbounds i8, ptr %30, i64 21
  br label %32

32:                                               ; preds = %27, %20
  %33 = phi ptr [ %26, %20 ], [ %31, %27 ]
  %34 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %35 = getelementptr inbounds %struct.s2n_debug_info, ptr %34, i32 0, i32 1
  store ptr %33, ptr %35, align 8, !tbaa !11
  %36 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 469762089, ptr %36, align 4, !tbaa !12
  %37 = call i32 @s2n_calculate_stacktrace()
  br label %38

38:                                               ; preds = %32
  store i32 -1, ptr %3, align 4
  br label %129

39:                                               ; No predecessors!
  br label %40

40:                                               ; preds = %39, %6
  br label %41

41:                                               ; preds = %40
  br label %42

42:                                               ; preds = %41
  %43 = load ptr, ptr %5, align 8, !tbaa !5
  %44 = icmp ne ptr %43, null
  br i1 %44, label %76, label %45

45:                                               ; preds = %42
  br label %46

46:                                               ; preds = %45
  br label %47

47:                                               ; preds = %46
  %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
  store ptr @.str.3, ptr %49, align 8, !tbaa !9
  %50 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %51 = getelementptr inbounds %struct.s2n_debug_info, ptr %50, i32 0, i32 0
  %52 = load ptr, ptr %51, align 8, !tbaa !9
  %53 = getelementptr inbounds i8, ptr %52, i64 21
  %54 = call ptr @strrchr(ptr noundef %53, i32 noundef 47) #4
  %55 = icmp ne ptr %54, null
  br i1 %55, label %56, label %63

56:                                               ; preds = %47
  %57 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %58 = getelementptr inbounds %struct.s2n_debug_info, ptr %57, i32 0, i32 0
  %59 = load ptr, ptr %58, align 8, !tbaa !9
  %60 = getelementptr inbounds i8, ptr %59, i64 21
  %61 = call ptr @strrchr(ptr noundef %60, i32 noundef 47) #4
  %62 = getelementptr inbounds i8, ptr %61, i64 1
  br label %68

63:                                               ; preds = %47
  %64 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %65 = getelementptr inbounds %struct.s2n_debug_info, ptr %64, i32 0, i32 0
  %66 = load ptr, ptr %65, align 8, !tbaa !9
  %67 = getelementptr inbounds i8, ptr %66, i64 21
  br label %68

68:                                               ; preds = %63, %56
  %69 = phi ptr [ %62, %56 ], [ %67, %63 ]
  %70 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %71 = getelementptr inbounds %struct.s2n_debug_info, ptr %70, i32 0, i32 1
  store ptr %69, ptr %71, align 8, !tbaa !11
  %72 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 469762089, ptr %72, align 4, !tbaa !12
  %73 = call i32 @s2n_calculate_stacktrace()
  br label %74

74:                                               ; preds = %68
  store i32 -1, ptr %3, align 4
  br label %129

75:                                               ; No predecessors!
  br label %76

76:                                               ; preds = %75, %42
  br label %77

77:                                               ; preds = %76
  br label %78

78:                                               ; preds = %77
  %79 = load ptr, ptr %5, align 8, !tbaa !5
  %80 = getelementptr inbounds %struct.s2n_client_hello, ptr %79, i32 0, i32 7
  %81 = load i8, ptr %80, align 2
  %82 = lshr i8 %81, 5
  %83 = and i8 %82, 1
  %84 = zext i8 %83 to i32
  %85 = icmp ne i32 %84, 0
  br i1 %85, label %86, label %117

86:                                               ; preds = %78
  br label %87

87:                                               ; preds = %86
  br label %88

88:                                               ; preds = %87
  %89 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %90 = getelementptr inbounds %struct.s2n_debug_info, ptr %89, i32 0, i32 0
  store ptr @.str.4, ptr %90, align 8, !tbaa !9
  %91 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %92 = getelementptr inbounds %struct.s2n_debug_info, ptr %91, i32 0, i32 0
  %93 = load ptr, ptr %92, align 8, !tbaa !9
  %94 = getelementptr inbounds i8, ptr %93, i64 21
  %95 = call ptr @strrchr(ptr noundef %94, i32 noundef 47) #4
  %96 = icmp ne ptr %95, null
  br i1 %96, label %97, label %104

97:                                               ; preds = %88
  %98 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %99 = getelementptr inbounds %struct.s2n_debug_info, ptr %98, i32 0, i32 0
  %100 = load ptr, ptr %99, align 8, !tbaa !9
  %101 = getelementptr inbounds i8, ptr %100, i64 21
  %102 = call ptr @strrchr(ptr noundef %101, i32 noundef 47) #4
  %103 = getelementptr inbounds i8, ptr %102, i64 1
  br label %109

104:                                              ; preds = %88
  %105 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %106 = getelementptr inbounds %struct.s2n_debug_info, ptr %105, i32 0, i32 0
  %107 = load ptr, ptr %106, align 8, !tbaa !9
  %108 = getelementptr inbounds i8, ptr %107, i64 21
  br label %109

109:                                              ; preds = %104, %97
  %110 = phi ptr [ %103, %97 ], [ %108, %104 ]
  %111 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %112 = getelementptr inbounds %struct.s2n_debug_info, ptr %111, i32 0, i32 1
  store ptr %110, ptr %112, align 8, !tbaa !11
  %113 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 335544384, ptr %113, align 4, !tbaa !12
  %114 = call i32 @s2n_calculate_stacktrace()
  br label %115

115:                                              ; preds = %109
  store i32 -1, ptr %3, align 4
  br label %129

116:                                              ; No predecessors!
  br label %117

117:                                              ; preds = %116, %78
  br label %118

118:                                              ; preds = %117
  br label %119

119:                                              ; preds = %118
  %120 = load ptr, ptr %4, align 8, !tbaa !5
  %121 = call i32 @s2n_fingerprint_wipe(ptr noundef %120)
  %122 = icmp sgt i32 %121, -1
  br i1 %122, label %124, label %123

123:                                              ; preds = %119
  store i32 -1, ptr %3, align 4
  br label %129

124:                                              ; preds = %119
  br label %125

125:                                              ; preds = %124
  %126 = load ptr, ptr %5, align 8, !tbaa !5
  %127 = load ptr, ptr %4, align 8, !tbaa !5
  %128 = getelementptr inbounds %struct.s2n_fingerprint, ptr %127, i32 0, i32 2
  store ptr %126, ptr %128, align 8, !tbaa !14
  store i32 0, ptr %3, align 4
  br label %129

129:                                              ; preds = %125, %123, %115, %74, %38
  %130 = load i32, ptr %3, align 4
  ret i32 %130
}

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, !6, i64 0}
!10 = !{!"s2n_debug_info", !6, i64 0, !6, i64 8}
!11 = !{!10, !6, i64 8}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!15, !6, i64 16}
!15 = !{!"s2n_fingerprint", !16, i64 0, !6, i64 8, !6, i64 16, !17, i64 24, !18, i64 80}
!16 = !{!"long", !7, i64 0}
!17 = !{!"s2n_hash_state", !6, i64 0, !13, i64 8, !7, i64 12, !16, i64 16, !7, i64 24}
!18 = !{!"s2n_stuffer", !19, i64 0, !13, i64 24, !13, i64 28, !13, i64 32, !13, i64 36, !13, i64 36, !13, i64 36}
!19 = !{!"s2n_blob", !6, i64 0, !13, i64 8, !13, i64 12, !13, 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.2 = external hidden unnamed_addr constant [91 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [91 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [91 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
declare dso_local i32 @s2n_fingerprint_wipe(ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_fingerprint_set_client_hello(ptr noundef %0, ptr noundef %1) local_unnamed_addr #3 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %3, label %11

3:                                                ; preds = %2
  %4 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.2, ptr %4, align 8, !tbaa !5
  %5 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.2, i64 21), i32 noundef 47) #4
  %.not11 = icmp eq ptr %5, null
  %6 = getelementptr inbounds i8, ptr %5, i64 1
  %7 = select i1 %.not11, ptr getelementptr inbounds (i8, ptr @.str.2, 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 469762089, ptr %9, align 4, !tbaa !11
  %10 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %37

11:                                               ; preds = %2
  %.not12 = icmp eq ptr %1, null
  br i1 %.not12, label %12, label %20

12:                                               ; preds = %11
  %13 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.3, ptr %13, align 8, !tbaa !5
  %14 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.3, i64 21), i32 noundef 47) #4
  %.not13 = icmp eq ptr %14, null
  %15 = getelementptr inbounds i8, ptr %14, i64 1
  %16 = select i1 %.not13, ptr getelementptr inbounds (i8, ptr @.str.3, i64 21), ptr %15
  %17 = getelementptr inbounds i8, ptr %13, i64 8
  store ptr %16, ptr %17, align 8, !tbaa !10
  %18 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 469762089, ptr %18, align 4, !tbaa !11
  %19 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %37

20:                                               ; preds = %11
  %21 = getelementptr inbounds i8, ptr %1, i64 802
  %22 = load i8, ptr %21, align 2
  %23 = and i8 %22, 32
  %.not14 = icmp eq i8 %23, 0
  br i1 %.not14, label %32, label %24

24:                                               ; preds = %20
  %25 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.4, ptr %25, align 8, !tbaa !5
  %26 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.4, i64 21), i32 noundef 47) #4
  %.not15 = icmp eq ptr %26, null
  %27 = getelementptr inbounds i8, ptr %26, i64 1
  %28 = select i1 %.not15, ptr getelementptr inbounds (i8, ptr @.str.4, i64 21), ptr %27
  %29 = getelementptr inbounds i8, ptr %25, i64 8
  store ptr %28, ptr %29, align 8, !tbaa !10
  %30 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 335544384, ptr %30, align 4, !tbaa !11
  %31 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %37

32:                                               ; preds = %20
  %33 = tail call i32 @s2n_fingerprint_wipe(ptr noundef nonnull %0)
  %34 = icmp sgt i32 %33, -1
  br i1 %34, label %35, label %37

35:                                               ; preds = %32
  %36 = getelementptr inbounds i8, ptr %0, i64 16
  store ptr %1, ptr %36, align 8, !tbaa !13
  br label %37

37:                                               ; preds = %32, %35, %24, %12, %3
  %.0 = phi i32 [ -1, %24 ], [ 0, %35 ], [ -1, %12 ], [ -1, %3 ], [ -1, %32 ]
  ret i32 %.0
}

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}
!13 = !{!14, !7, i64 16}
!14 = !{!"s2n_fingerprint", !15, i64 0, !7, i64 8, !7, i64 16, !16, i64 24, !17, i64 80}
!15 = !{!"long", !8, i64 0}
!16 = !{!"s2n_hash_state", !7, i64 0, !12, i64 8, !8, i64 12, !15, i64 16, !8, i64 24}
!17 = !{!"s2n_stuffer", !18, i64 0, !12, i64 24, !12, i64 28, !12, i64 32, !12, i64 36, !12, i64 36, !12, i64 36}
!18 = !{!"s2n_blob", !7, i64 0, !12, i64 8, !12, i64 12, !12, i64 16}


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