; LLVM IR from aws/s2n-tls :: tests/unit (s2n_self_talk_npn_test)

; 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 }

@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@.str.20 = external hidden unnamed_addr constant [93 x i8], align 1
@.str.21 = external hidden unnamed_addr constant [93 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_client_hello_free_raw_message(ptr noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_client_hello_free(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.20, 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 %103

37:                                               ; No predecessors!
  br label %38

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

39:                                               ; preds = %38
  %40 = load ptr, ptr %3, align 8, !tbaa !5
  %41 = load ptr, ptr %40, align 8, !tbaa !5
  %42 = icmp eq ptr %41, null
  br i1 %42, label %43, label %44

43:                                               ; preds = %39
  store i32 0, ptr %2, align 4
  br label %103

44:                                               ; preds = %39
  br label %45

45:                                               ; preds = %44
  %46 = load ptr, ptr %3, align 8, !tbaa !5
  %47 = load ptr, ptr %46, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.s2n_client_hello, ptr %47, i32 0, i32 7
  %49 = load i8, ptr %48, align 2
  %50 = lshr i8 %49, 6
  %51 = and i8 %50, 1
  %52 = zext i8 %51 to i32
  %53 = icmp ne i32 %52, 0
  br i1 %53, label %85, label %54

54:                                               ; preds = %45
  br label %55

55:                                               ; preds = %54
  br label %56

56:                                               ; preds = %55
  %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
  store ptr @.str.21, ptr %58, align 8, !tbaa !9
  %59 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %60 = getelementptr inbounds %struct.s2n_debug_info, ptr %59, i32 0, i32 0
  %61 = load ptr, ptr %60, align 8, !tbaa !9
  %62 = getelementptr inbounds i8, ptr %61, i64 21
  %63 = call ptr @strrchr(ptr noundef %62, i32 noundef 47) #4
  %64 = icmp ne ptr %63, null
  br i1 %64, label %65, label %72

65:                                               ; preds = %56
  %66 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %67 = getelementptr inbounds %struct.s2n_debug_info, ptr %66, i32 0, i32 0
  %68 = load ptr, ptr %67, align 8, !tbaa !9
  %69 = getelementptr inbounds i8, ptr %68, i64 21
  %70 = call ptr @strrchr(ptr noundef %69, i32 noundef 47) #4
  %71 = getelementptr inbounds i8, ptr %70, i64 1
  br label %77

72:                                               ; preds = %56
  %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 0
  %75 = load ptr, ptr %74, align 8, !tbaa !9
  %76 = getelementptr inbounds i8, ptr %75, i64 21
  br label %77

77:                                               ; preds = %72, %65
  %78 = phi ptr [ %71, %65 ], [ %76, %72 ]
  %79 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %80 = getelementptr inbounds %struct.s2n_debug_info, ptr %79, i32 0, i32 1
  store ptr %78, ptr %80, align 8, !tbaa !11
  %81 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 469762089, ptr %81, align 4, !tbaa !12
  %82 = call i32 @s2n_calculate_stacktrace()
  br label %83

83:                                               ; preds = %77
  store i32 -1, ptr %2, align 4
  br label %103

84:                                               ; No predecessors!
  br label %85

85:                                               ; preds = %84, %45
  br label %86

86:                                               ; preds = %85
  br label %87

87:                                               ; preds = %86
  %88 = load ptr, ptr %3, align 8, !tbaa !5
  %89 = load ptr, ptr %88, align 8, !tbaa !5
  %90 = call i32 @s2n_client_hello_free_raw_message(ptr noundef %89)
  %91 = icmp sgt i32 %90, -1
  br i1 %91, label %93, label %92

92:                                               ; preds = %87
  store i32 -1, ptr %2, align 4
  br label %103

93:                                               ; preds = %87
  br label %94

94:                                               ; preds = %93
  br label %95

95:                                               ; preds = %94
  %96 = load ptr, ptr %3, align 8, !tbaa !5
  %97 = call i32 @s2n_free_object(ptr noundef %96, i32 noundef 808)
  %98 = icmp sgt i32 %97, -1
  br i1 %98, label %100, label %99

99:                                               ; preds = %95
  store i32 -1, ptr %2, align 4
  br label %103

100:                                              ; preds = %95
  br label %101

101:                                              ; preds = %100
  %102 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr null, ptr %102, align 8, !tbaa !5
  store i32 0, ptr %2, align 4
  br label %103

103:                                              ; preds = %101, %99, %92, %83, %43, %36
  %104 = load i32, ptr %2, align 4
  ret i32 %104
}

declare i32 @s2n_free_object(ptr noundef, i32 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, !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}


; 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.20 = external hidden unnamed_addr constant [93 x i8], align 1
@.str.21 = external hidden unnamed_addr constant [93 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_client_hello_free_raw_message(ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_client_hello_free(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.20, ptr %3, align 8, !tbaa !5
  %4 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.20, i64 21), i32 noundef 47) #4
  %.not10 = icmp eq ptr %4, null
  %5 = getelementptr inbounds i8, ptr %4, i64 1
  %6 = select i1 %.not10, ptr getelementptr inbounds (i8, ptr @.str.20, 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 %32

10:                                               ; preds = %1
  %11 = load ptr, ptr %0, align 8, !tbaa !13
  %12 = icmp eq ptr %11, null
  br i1 %12, label %32, label %13

13:                                               ; preds = %10
  %14 = getelementptr inbounds i8, ptr %11, i64 802
  %15 = load i8, ptr %14, align 2
  %16 = and i8 %15, 64
  %.not11 = icmp eq i8 %16, 0
  br i1 %.not11, label %17, label %25

17:                                               ; preds = %13
  %18 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.21, ptr %18, align 8, !tbaa !5
  %19 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.21, i64 21), i32 noundef 47) #4
  %.not12 = icmp eq ptr %19, null
  %20 = getelementptr inbounds i8, ptr %19, i64 1
  %21 = select i1 %.not12, ptr getelementptr inbounds (i8, ptr @.str.21, i64 21), ptr %20
  %22 = getelementptr inbounds i8, ptr %18, i64 8
  store ptr %21, ptr %22, align 8, !tbaa !10
  %23 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 469762089, ptr %23, align 4, !tbaa !11
  %24 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %32

25:                                               ; preds = %13
  %26 = tail call i32 @s2n_client_hello_free_raw_message(ptr noundef nonnull %11)
  %27 = icmp sgt i32 %26, -1
  br i1 %27, label %28, label %32

28:                                               ; preds = %25
  %29 = tail call i32 @s2n_free_object(ptr noundef nonnull %0, i32 noundef 808) #5
  %30 = icmp sgt i32 %29, -1
  br i1 %30, label %31, label %32

31:                                               ; preds = %28
  store ptr null, ptr %0, align 8, !tbaa !13
  br label %32

32:                                               ; preds = %28, %25, %10, %31, %17, %2
  %.0 = phi i32 [ 0, %31 ], [ -1, %17 ], [ -1, %2 ], [ 0, %10 ], [ -1, %25 ], [ -1, %28 ]
  ret i32 %.0
}

declare i32 @s2n_free_object(ptr noundef, i32 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}
!13 = !{!7, !7, i64 0}


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