; LLVM IR from aws/s2n-tls :: crypto (s2n_hash)

; 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_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_hash = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr }

@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@.str.22 = external hidden unnamed_addr constant [88 x i8], align 1
@.str.23 = external hidden unnamed_addr constant [88 x i8], align 1
@.str.24 = external hidden unnamed_addr constant [88 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_hash_init(ptr noundef, i32 noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_hash_reset(ptr noundef %0) #3 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  br label %4

4:                                                ; preds = %1
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp ne ptr %5, null
  br i1 %6, label %38, label %7

7:                                                ; preds = %4
  br label %8

8:                                                ; preds = %7
  br label %9

9:                                                ; preds = %8
  %10 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %11 = getelementptr inbounds %struct.s2n_debug_info, ptr %10, i32 0, i32 0
  store ptr @.str.22, ptr %11, align 8, !tbaa !9
  %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
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = getelementptr inbounds i8, ptr %14, i64 21
  %16 = call ptr @strrchr(ptr noundef %15, i32 noundef 47) #4
  %17 = icmp ne ptr %16, null
  br i1 %17, label %18, label %25

18:                                               ; preds = %9
  %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 !9
  %22 = getelementptr inbounds i8, ptr %21, i64 21
  %23 = call ptr @strrchr(ptr noundef %22, i32 noundef 47) #4
  %24 = getelementptr inbounds i8, ptr %23, i64 1
  br label %30

25:                                               ; preds = %9
  %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 !9
  %29 = getelementptr inbounds i8, ptr %28, i64 21
  br label %30

30:                                               ; preds = %25, %18
  %31 = phi ptr [ %24, %18 ], [ %29, %25 ]
  %32 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %33 = getelementptr inbounds %struct.s2n_debug_info, ptr %32, i32 0, i32 1
  store ptr %31, ptr %33, align 8, !tbaa !11
  %34 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %34, align 4, !tbaa !12
  %35 = call i32 @s2n_calculate_stacktrace()
  br label %36

36:                                               ; preds = %30
  store i32 -1, ptr %2, align 4
  br label %140

37:                                               ; No predecessors!
  br label %38

38:                                               ; preds = %37, %4
  br label %39

39:                                               ; preds = %38
  br label %40

40:                                               ; preds = %39
  %41 = load ptr, ptr %3, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct.s2n_hash_state, ptr %41, i32 0, i32 0
  %43 = load ptr, ptr %42, align 8, !tbaa !14
  %44 = icmp ne ptr %43, null
  br i1 %44, label %76, label %45

45:                                               ; preds = %40
  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.23, 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 402653193, ptr %72, align 4, !tbaa !12
  %73 = call i32 @s2n_calculate_stacktrace()
  br label %74

74:                                               ; preds = %68
  store i32 -1, ptr %2, align 4
  br label %140

75:                                               ; No predecessors!
  br label %76

76:                                               ; preds = %75, %40
  br label %77

77:                                               ; preds = %76
  br label %78

78:                                               ; preds = %77
  %79 = load ptr, ptr %3, align 8, !tbaa !5
  %80 = getelementptr inbounds %struct.s2n_hash_state, ptr %79, i32 0, i32 0
  %81 = load ptr, ptr %80, align 8, !tbaa !14
  %82 = getelementptr inbounds %struct.s2n_hash, ptr %81, i32 0, i32 5
  %83 = load ptr, ptr %82, align 8, !tbaa !17
  %84 = icmp ne ptr %83, null
  br i1 %84, label %116, label %85

85:                                               ; preds = %78
  br label %86

86:                                               ; preds = %85
  br label %87

87:                                               ; preds = %86
  %88 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %89 = getelementptr inbounds %struct.s2n_debug_info, ptr %88, i32 0, i32 0
  store ptr @.str.24, ptr %89, align 8, !tbaa !9
  %90 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %91 = getelementptr inbounds %struct.s2n_debug_info, ptr %90, i32 0, i32 0
  %92 = load ptr, ptr %91, align 8, !tbaa !9
  %93 = getelementptr inbounds i8, ptr %92, i64 21
  %94 = call ptr @strrchr(ptr noundef %93, i32 noundef 47) #4
  %95 = icmp ne ptr %94, null
  br i1 %95, label %96, label %103

96:                                               ; preds = %87
  %97 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %98 = getelementptr inbounds %struct.s2n_debug_info, ptr %97, i32 0, i32 0
  %99 = load ptr, ptr %98, align 8, !tbaa !9
  %100 = getelementptr inbounds i8, ptr %99, i64 21
  %101 = call ptr @strrchr(ptr noundef %100, i32 noundef 47) #4
  %102 = getelementptr inbounds i8, ptr %101, i64 1
  br label %108

103:                                              ; preds = %87
  %104 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %105 = getelementptr inbounds %struct.s2n_debug_info, ptr %104, i32 0, i32 0
  %106 = load ptr, ptr %105, align 8, !tbaa !9
  %107 = getelementptr inbounds i8, ptr %106, i64 21
  br label %108

108:                                              ; preds = %103, %96
  %109 = phi ptr [ %102, %96 ], [ %107, %103 ]
  %110 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %111 = getelementptr inbounds %struct.s2n_debug_info, ptr %110, i32 0, i32 1
  store ptr %109, ptr %111, align 8, !tbaa !11
  %112 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %112, align 4, !tbaa !12
  %113 = call i32 @s2n_calculate_stacktrace()
  br label %114

114:                                              ; preds = %108
  store i32 -1, ptr %2, align 4
  br label %140

115:                                              ; No predecessors!
  br label %116

116:                                              ; preds = %115, %78
  br label %117

117:                                              ; preds = %116
  br label %118

118:                                              ; preds = %117
  %119 = load ptr, ptr %3, align 8, !tbaa !5
  %120 = getelementptr inbounds %struct.s2n_hash_state, ptr %119, i32 0, i32 0
  %121 = load ptr, ptr %120, align 8, !tbaa !14
  %122 = getelementptr inbounds %struct.s2n_hash, ptr %121, i32 0, i32 5
  %123 = load ptr, ptr %122, align 8, !tbaa !17
  %124 = load ptr, ptr %3, align 8, !tbaa !5
  %125 = call i32 %123(ptr noundef %124)
  %126 = icmp sgt i32 %125, -1
  br i1 %126, label %128, label %127

127:                                              ; preds = %118
  store i32 -1, ptr %2, align 4
  br label %140

128:                                              ; preds = %118
  br label %129

129:                                              ; preds = %128
  br label %130

130:                                              ; preds = %129
  %131 = load ptr, ptr %3, align 8, !tbaa !5
  %132 = load ptr, ptr %3, align 8, !tbaa !5
  %133 = getelementptr inbounds %struct.s2n_hash_state, ptr %132, i32 0, i32 1
  %134 = load i32, ptr %133, align 8, !tbaa !19
  %135 = call i32 @s2n_hash_init(ptr noundef %131, i32 noundef %134)
  %136 = icmp sgt i32 %135, -1
  br i1 %136, label %138, label %137

137:                                              ; preds = %130
  store i32 -1, ptr %2, align 4
  br label %140

138:                                              ; preds = %130
  br label %139

139:                                              ; preds = %138
  store i32 0, ptr %2, align 4
  br label %140

140:                                              ; preds = %139, %137, %127, %114, %74, %36
  %141 = load i32, ptr %2, align 4
  ret i32 %141
}

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 0}
!15 = !{!"s2n_hash_state", !6, i64 0, !13, i64 8, !7, i64 12, !16, i64 16, !7, i64 24}
!16 = !{!"long", !7, i64 0}
!17 = !{!18, !6, i64 40}
!18 = !{!"s2n_hash", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48}
!19 = !{!15, !13, 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.22 = external hidden unnamed_addr constant [88 x i8], align 1
@.str.23 = external hidden unnamed_addr constant [88 x i8], align 1
@.str.24 = external hidden unnamed_addr constant [88 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_hash_init(ptr noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_hash_reset(ptr noundef %0) local_unnamed_addr #3 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %2, label %10

2:                                                ; preds = %1
  %3 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.22, ptr %3, align 8, !tbaa !5
  %4 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.22, i64 21), i32 noundef 47) #4
  %.not13 = icmp eq ptr %4, null
  %5 = getelementptr inbounds i8, ptr %4, i64 1
  %6 = select i1 %.not13, ptr getelementptr inbounds (i8, ptr @.str.22, i64 21), ptr %5
  %7 = getelementptr inbounds i8, ptr %3, i64 8
  store ptr %6, ptr %7, align 8, !tbaa !10
  %8 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %8, align 4, !tbaa !11
  %9 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %38

10:                                               ; preds = %1
  %11 = load ptr, ptr %0, align 8, !tbaa !13
  %.not14 = icmp eq ptr %11, null
  br i1 %.not14, label %12, label %20

12:                                               ; preds = %10
  %13 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.23, ptr %13, align 8, !tbaa !5
  %14 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.23, i64 21), i32 noundef 47) #4
  %.not15 = icmp eq ptr %14, null
  %15 = getelementptr inbounds i8, ptr %14, i64 1
  %16 = select i1 %.not15, ptr getelementptr inbounds (i8, ptr @.str.23, 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 402653193, ptr %18, align 4, !tbaa !11
  %19 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %38

20:                                               ; preds = %10
  %21 = getelementptr inbounds i8, ptr %11, i64 40
  %22 = load ptr, ptr %21, align 8, !tbaa !16
  %.not16 = icmp eq ptr %22, null
  br i1 %.not16, label %23, label %31

23:                                               ; preds = %20
  %24 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.24, ptr %24, align 8, !tbaa !5
  %25 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.24, i64 21), i32 noundef 47) #4
  %.not17 = icmp eq ptr %25, null
  %26 = getelementptr inbounds i8, ptr %25, i64 1
  %27 = select i1 %.not17, ptr getelementptr inbounds (i8, ptr @.str.24, 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 402653193, ptr %29, align 4, !tbaa !11
  %30 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %38

31:                                               ; preds = %20
  %32 = tail call i32 %22(ptr noundef nonnull %0) #5
  %33 = icmp sgt i32 %32, -1
  br i1 %33, label %34, label %38

34:                                               ; preds = %31
  %35 = getelementptr inbounds i8, ptr %0, i64 8
  %36 = load i32, ptr %35, align 8, !tbaa !18
  %37 = tail call i32 @s2n_hash_init(ptr noundef nonnull %0, i32 noundef %36)
  %.lobit = ashr i32 %37, 31
  br label %38

38:                                               ; preds = %34, %31, %23, %12, %2
  %.0 = phi i32 [ -1, %23 ], [ -1, %12 ], [ -1, %2 ], [ -1, %31 ], [ %.lobit, %34 ]
  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 0}
!14 = !{!"s2n_hash_state", !7, i64 0, !12, i64 8, !8, i64 12, !15, i64 16, !8, i64 24}
!15 = !{!"long", !8, i64 0}
!16 = !{!17, !7, i64 40}
!17 = !{!"s2n_hash", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48}
!18 = !{!14, !12, i64 8}


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