; 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_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 }
%struct.s2n_blob = type { ptr, i32, i32, i8 }
%struct.s2n_fingerprint_method = type { i32, i32, ptr }

@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@.str.5 = external hidden unnamed_addr constant [91 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [92 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [92 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 i32 @s2n_fingerprint_get_hash_size(ptr noundef %0, ptr noundef %1) #4 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, 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 = icmp ne ptr %9, null
  br i1 %10, label %42, 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.5, ptr %15, align 8, !tbaa !9
  %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 !9
  %19 = getelementptr inbounds i8, ptr %18, i64 21
  %20 = call ptr @strrchr(ptr noundef %19, i32 noundef 47) #5
  %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 !9
  %26 = getelementptr inbounds i8, ptr %25, i64 21
  %27 = call ptr @strrchr(ptr noundef %26, i32 noundef 47) #5
  %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 !9
  %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 !11
  %38 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 469762089, ptr %38, align 4, !tbaa !12
  %39 = call i32 @s2n_calculate_stacktrace()
  br label %40

40:                                               ; preds = %34
  store i32 -1, ptr %3, align 4
  br label %130

41:                                               ; No predecessors!
  br label %42

42:                                               ; preds = %41, %8
  br label %43

43:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %44 = load ptr, ptr %4, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.s2n_fingerprint, ptr %44, i32 0, i32 1
  %46 = load ptr, ptr %45, align 8, !tbaa !14
  store ptr %46, ptr %6, align 8, !tbaa !5
  br label %47

47:                                               ; preds = %43
  %48 = load ptr, ptr %6, align 8, !tbaa !5
  %49 = icmp ne ptr %48, null
  br i1 %49, label %83, label %50

50:                                               ; preds = %47
  br label %51

51:                                               ; preds = %50
  br label %52

52:                                               ; preds = %51
  %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
  store ptr @.str.6, ptr %54, align 8, !tbaa !9
  %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 !9
  %58 = getelementptr inbounds i8, ptr %57, i64 21
  %59 = call ptr @strrchr(ptr noundef %58, i32 noundef 47) #5
  %60 = icmp ne ptr %59, null
  br i1 %60, label %61, label %68

61:                                               ; preds = %52
  %62 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %63 = getelementptr inbounds %struct.s2n_debug_info, ptr %62, i32 0, i32 0
  %64 = load ptr, ptr %63, align 8, !tbaa !9
  %65 = getelementptr inbounds i8, ptr %64, i64 21
  %66 = call ptr @strrchr(ptr noundef %65, i32 noundef 47) #5
  %67 = getelementptr inbounds i8, ptr %66, i64 1
  br label %73

68:                                               ; preds = %52
  %69 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %70 = getelementptr inbounds %struct.s2n_debug_info, ptr %69, i32 0, i32 0
  %71 = load ptr, ptr %70, align 8, !tbaa !9
  %72 = getelementptr inbounds i8, ptr %71, i64 21
  br label %73

73:                                               ; preds = %68, %61
  %74 = phi ptr [ %67, %61 ], [ %72, %68 ]
  %75 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %76 = getelementptr inbounds %struct.s2n_debug_info, ptr %75, i32 0, i32 1
  store ptr %74, ptr %76, align 8, !tbaa !11
  %77 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %77, align 4, !tbaa !12
  %78 = call i32 @s2n_calculate_stacktrace()
  br label %79

79:                                               ; preds = %73
  br label %80

80:                                               ; preds = %79
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %129

81:                                               ; No predecessors!
  br label %82

82:                                               ; preds = %81
  br label %83

83:                                               ; preds = %82, %47
  br label %84

84:                                               ; preds = %83
  br label %85

85:                                               ; preds = %84
  br label %86

86:                                               ; preds = %85
  %87 = load ptr, ptr %5, align 8, !tbaa !5
  %88 = icmp ne ptr %87, null
  br i1 %88, label %122, label %89

89:                                               ; preds = %86
  br label %90

90:                                               ; preds = %89
  br label %91

91:                                               ; preds = %90
  %92 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %93 = getelementptr inbounds %struct.s2n_debug_info, ptr %92, i32 0, i32 0
  store ptr @.str.7, ptr %93, align 8, !tbaa !9
  %94 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %95 = getelementptr inbounds %struct.s2n_debug_info, ptr %94, i32 0, i32 0
  %96 = load ptr, ptr %95, align 8, !tbaa !9
  %97 = getelementptr inbounds i8, ptr %96, i64 21
  %98 = call ptr @strrchr(ptr noundef %97, i32 noundef 47) #5
  %99 = icmp ne ptr %98, null
  br i1 %99, label %100, label %107

100:                                              ; preds = %91
  %101 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %102 = getelementptr inbounds %struct.s2n_debug_info, ptr %101, i32 0, i32 0
  %103 = load ptr, ptr %102, align 8, !tbaa !9
  %104 = getelementptr inbounds i8, ptr %103, i64 21
  %105 = call ptr @strrchr(ptr noundef %104, i32 noundef 47) #5
  %106 = getelementptr inbounds i8, ptr %105, i64 1
  br label %112

107:                                              ; preds = %91
  %108 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %109 = getelementptr inbounds %struct.s2n_debug_info, ptr %108, i32 0, i32 0
  %110 = load ptr, ptr %109, align 8, !tbaa !9
  %111 = getelementptr inbounds i8, ptr %110, i64 21
  br label %112

112:                                              ; preds = %107, %100
  %113 = phi ptr [ %106, %100 ], [ %111, %107 ]
  %114 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %115 = getelementptr inbounds %struct.s2n_debug_info, ptr %114, i32 0, i32 1
  store ptr %113, ptr %115, align 8, !tbaa !11
  %116 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 469762089, ptr %116, align 4, !tbaa !12
  %117 = call i32 @s2n_calculate_stacktrace()
  br label %118

118:                                              ; preds = %112
  br label %119

119:                                              ; preds = %118
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %129

120:                                              ; No predecessors!
  br label %121

121:                                              ; preds = %120
  br label %122

122:                                              ; preds = %121, %86
  br label %123

123:                                              ; preds = %122
  br label %124

124:                                              ; preds = %123
  %125 = load ptr, ptr %6, align 8, !tbaa !5
  %126 = getelementptr inbounds %struct.s2n_fingerprint_method, ptr %125, i32 0, i32 1
  %127 = load i32, ptr %126, align 4, !tbaa !20
  %128 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 %127, ptr %128, align 4, !tbaa !12
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %129

129:                                              ; preds = %124, %119, %80
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %130

130:                                              ; preds = %129, %40
  %131 = load i32, ptr %3, align 4
  ret i32 %131
}

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 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 = !{!"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 8}
!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}
!20 = !{!21, !13, i64 4}
!21 = !{!"s2n_fingerprint_method", !13, i64 0, !13, i64 4, !6, 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.5 = external hidden unnamed_addr constant [91 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [92 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [92 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_fingerprint_get_hash_size(ptr noundef readonly %0, ptr noundef writeonly %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.5, ptr %4, align 8, !tbaa !5
  %5 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.5, i64 21), i32 noundef 47) #4
  %.not12 = icmp eq ptr %5, null
  %6 = getelementptr inbounds i8, ptr %5, i64 1
  %7 = select i1 %.not12, ptr getelementptr inbounds (i8, ptr @.str.5, 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 %34

11:                                               ; preds = %2
  %12 = getelementptr inbounds i8, ptr %0, i64 8
  %13 = load ptr, ptr %12, align 8, !tbaa !13
  %.not13 = icmp eq ptr %13, null
  br i1 %.not13, label %14, label %22

14:                                               ; preds = %11
  %15 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.6, ptr %15, align 8, !tbaa !5
  %16 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.6, i64 21), i32 noundef 47) #4
  %.not14 = icmp eq ptr %16, null
  %17 = getelementptr inbounds i8, ptr %16, i64 1
  %18 = select i1 %.not14, ptr getelementptr inbounds (i8, ptr @.str.6, i64 21), ptr %17
  %19 = getelementptr inbounds i8, ptr %15, i64 8
  store ptr %18, ptr %19, align 8, !tbaa !10
  %20 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %20, align 4, !tbaa !11
  %21 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %34

22:                                               ; preds = %11
  %.not15 = icmp eq ptr %1, null
  br i1 %.not15, label %23, label %31

23:                                               ; preds = %22
  %24 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.7, ptr %24, align 8, !tbaa !5
  %25 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.7, i64 21), i32 noundef 47) #4
  %.not16 = icmp eq ptr %25, null
  %26 = getelementptr inbounds i8, ptr %25, i64 1
  %27 = select i1 %.not16, ptr getelementptr inbounds (i8, ptr @.str.7, i64 21), ptr %26
  %28 = getelementptr inbounds i8, ptr %24, i64 8
  store ptr %27, ptr %28, align 8, !tbaa !10
  %29 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 469762089, ptr %29, align 4, !tbaa !11
  %30 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %34

31:                                               ; preds = %22
  %32 = getelementptr inbounds i8, ptr %13, i64 4
  %33 = load i32, ptr %32, align 4, !tbaa !19
  store i32 %33, ptr %1, align 4, !tbaa !11
  br label %34

34:                                               ; preds = %14, %23, %31, %3
  %.1 = phi i32 [ -1, %3 ], [ 0, %31 ], [ -1, %23 ], [ -1, %14 ]
  ret i32 %.1
}

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 8}
!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}
!19 = !{!20, !12, i64 4}
!20 = !{!"s2n_fingerprint_method", !12, i64 0, !12, i64 4, !7, i64 8}


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