; LLVM IR from aws/s2n-tls :: crypto (s2n_hmac)

; 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 }
%struct.s2n_hmac_state = type { i32, i16, i32, i16, i8, %struct.s2n_hash_state, %struct.s2n_hash_state, %struct.s2n_hash_state, %struct.s2n_hash_state, [128 x i8], [64 x i8] }
%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 }

@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@.str.8 = 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
define dso_local i32 @s2n_hmac_new(ptr noundef %0) #3 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca %struct.s2n_result, align 4
  %5 = alloca %struct.s2n_result, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %1
  %7 = load ptr, ptr %3, 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.8, 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) #6
  %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) #6
  %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 402653193, ptr %36, align 4, !tbaa !12
  %37 = call i32 @s2n_calculate_stacktrace()
  br label %38

38:                                               ; preds = %32
  store i32 -1, ptr %2, align 4
  br label %98

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 %3, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.s2n_hmac_state, ptr %43, i32 0, i32 5
  %45 = call i32 @s2n_hash_new(ptr noundef %44)
  %46 = icmp sgt i32 %45, -1
  br i1 %46, label %48, label %47

47:                                               ; preds = %42
  store i32 -1, ptr %2, align 4
  br label %98

48:                                               ; preds = %42
  br label %49

49:                                               ; preds = %48
  br label %50

50:                                               ; preds = %49
  %51 = load ptr, ptr %3, align 8, !tbaa !5
  %52 = getelementptr inbounds %struct.s2n_hmac_state, ptr %51, i32 0, i32 6
  %53 = call i32 @s2n_hash_new(ptr noundef %52)
  %54 = icmp sgt i32 %53, -1
  br i1 %54, label %56, label %55

55:                                               ; preds = %50
  store i32 -1, ptr %2, align 4
  br label %98

56:                                               ; preds = %50
  br label %57

57:                                               ; preds = %56
  br label %58

58:                                               ; preds = %57
  %59 = load ptr, ptr %3, align 8, !tbaa !5
  %60 = getelementptr inbounds %struct.s2n_hmac_state, ptr %59, i32 0, i32 7
  %61 = call i32 @s2n_hash_new(ptr noundef %60)
  %62 = icmp sgt i32 %61, -1
  br i1 %62, label %64, label %63

63:                                               ; preds = %58
  store i32 -1, ptr %2, align 4
  br label %98

64:                                               ; preds = %58
  br label %65

65:                                               ; preds = %64
  br label %66

66:                                               ; preds = %65
  %67 = load ptr, ptr %3, align 8, !tbaa !5
  %68 = getelementptr inbounds %struct.s2n_hmac_state, ptr %67, i32 0, i32 8
  %69 = call i32 @s2n_hash_new(ptr noundef %68)
  %70 = icmp sgt i32 %69, -1
  br i1 %70, label %72, label %71

71:                                               ; preds = %66
  store i32 -1, ptr %2, align 4
  br label %98

72:                                               ; preds = %66
  br label %73

73:                                               ; preds = %72
  br label %74

74:                                               ; preds = %73
  %75 = load ptr, ptr %3, align 8, !tbaa !5
  %76 = call i32 @s2n_hmac_state_validate(ptr noundef %75)
  %77 = getelementptr inbounds %struct.s2n_result, ptr %5, i32 0, i32 0
  store i32 %76, ptr %77, align 4
  %78 = getelementptr inbounds %struct.s2n_result, ptr %5, i32 0, i32 0
  %79 = load i32, ptr %78, align 4
  %80 = call zeroext i1 @s2n_result_is_ok(i32 %79)
  %81 = xor i1 %80, true
  %82 = xor i1 %81, true
  %83 = zext i1 %82 to i32
  %84 = sext i32 %83 to i64
  %85 = call i64 @llvm.expect.i64(i64 %84, i64 1)
  %86 = icmp ne i64 %85, 0
  br i1 %86, label %87, label %89

87:                                               ; preds = %74
  %88 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 0, ptr %88, align 4, !tbaa !14
  br label %91

89:                                               ; preds = %74
  %90 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %90, align 4, !tbaa !14
  br label %91

91:                                               ; preds = %89, %87
  %92 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  %93 = load i32, ptr %92, align 4
  %94 = call zeroext i1 @s2n_result_is_ok(i32 %93)
  br i1 %94, label %96, label %95

95:                                               ; preds = %91
  store i32 -1, ptr %2, align 4
  br label %98

96:                                               ; preds = %91
  br label %97

97:                                               ; preds = %96
  store i32 0, ptr %2, align 4
  br label %98

98:                                               ; preds = %97, %95, %71, %63, %55, %47, %38
  %99 = load i32, ptr %2, align 4
  ret i32 %99
}

declare i32 @s2n_hash_new(ptr noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i1 @s2n_result_is_ok(i32) #4

; Function Attrs: nounwind uwtable
declare dso_local i32 @s2n_hmac_state_validate(ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #5

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 = { 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 = { nocallback nofree nosync nounwind willreturn memory(none) }
attributes #6 = { 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, !13, i64 0}
!15 = !{!"", !13, 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.8 = 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
define dso_local range(i32 -1, 1) i32 @s2n_hmac_new(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.8, ptr %3, align 8, !tbaa !5
  %4 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.8, i64 21), i32 noundef 47) #5
  %.not9 = icmp eq ptr %4, null
  %5 = getelementptr inbounds i8, ptr %4, i64 1
  %6 = select i1 %.not9, ptr getelementptr inbounds (i8, ptr @.str.8, 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() #6
  br label %30

10:                                               ; preds = %1
  %11 = getelementptr inbounds i8, ptr %0, i64 16
  %12 = tail call i32 @s2n_hash_new(ptr noundef nonnull %11) #6
  %13 = icmp sgt i32 %12, -1
  br i1 %13, label %14, label %30

14:                                               ; preds = %10
  %15 = getelementptr inbounds i8, ptr %0, i64 72
  %16 = tail call i32 @s2n_hash_new(ptr noundef nonnull %15) #6
  %17 = icmp sgt i32 %16, -1
  br i1 %17, label %18, label %30

18:                                               ; preds = %14
  %19 = getelementptr inbounds i8, ptr %0, i64 128
  %20 = tail call i32 @s2n_hash_new(ptr noundef nonnull %19) #6
  %21 = icmp sgt i32 %20, -1
  br i1 %21, label %22, label %30

22:                                               ; preds = %18
  %23 = getelementptr inbounds i8, ptr %0, i64 184
  %24 = tail call i32 @s2n_hash_new(ptr noundef nonnull %23) #6
  %25 = icmp sgt i32 %24, -1
  br i1 %25, label %26, label %30

26:                                               ; preds = %22
  %27 = tail call i32 @s2n_hmac_state_validate(ptr noundef nonnull %0)
  %28 = tail call zeroext i1 @s2n_result_is_ok(i32 %27)
  %not. = xor i1 %28, true
  %. = sext i1 %not. to i32
  %29 = tail call zeroext i1 @s2n_result_is_ok(i32 %.)
  %not.10 = xor i1 %29, true
  %spec.select = sext i1 %not.10 to i32
  br label %30

30:                                               ; preds = %26, %22, %18, %14, %10, %2
  %.0 = phi i32 [ -1, %2 ], [ -1, %10 ], [ -1, %14 ], [ -1, %18 ], [ -1, %22 ], [ %spec.select, %26 ]
  ret i32 %.0
}

declare i32 @s2n_hash_new(ptr noundef) local_unnamed_addr #2

; 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_hmac_state_validate(ptr noundef) local_unnamed_addr #3

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 = { 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, !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,LowerExpectIntrinsicPass,SROAPass,SimplifyCFGPass,TailCallElimPass