; LLVM IR from aws/s2n-tls :: tests/unit (s2n_client_key_share_extension_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_result = type { i32 }
%struct.s2n_ecc_preferences = type { i8, ptr }
%struct.s2n_ecc_named_curve = type { i16, i32, ptr, i8, ptr }

@.str = external hidden unnamed_addr constant [118 x i8], align 1
@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@.str.1 = external hidden unnamed_addr constant [118 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_extensions_client_key_share_size(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca %struct.s2n_result, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  br label %9

9:                                                ; preds = %2
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = icmp ne ptr %10, null
  br i1 %11, label %44, label %12

12:                                               ; preds = %9
  br label %13

13:                                               ; preds = %12
  br label %14

14:                                               ; preds = %13
  %15 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %16 = getelementptr inbounds %struct.s2n_debug_info, ptr %15, i32 0, i32 0
  store ptr @.str, ptr %16, align 8, !tbaa !9
  %17 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %18 = getelementptr inbounds %struct.s2n_debug_info, ptr %17, i32 0, i32 0
  %19 = load ptr, ptr %18, align 8, !tbaa !9
  %20 = getelementptr inbounds i8, ptr %19, i64 21
  %21 = call ptr @strrchr(ptr noundef %20, i32 noundef 47) #5
  %22 = icmp ne ptr %21, null
  br i1 %22, label %23, label %30

23:                                               ; preds = %14
  %24 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %25 = getelementptr inbounds %struct.s2n_debug_info, ptr %24, i32 0, i32 0
  %26 = load ptr, ptr %25, align 8, !tbaa !9
  %27 = getelementptr inbounds i8, ptr %26, i64 21
  %28 = call ptr @strrchr(ptr noundef %27, i32 noundef 47) #5
  %29 = getelementptr inbounds i8, ptr %28, i64 1
  br label %35

30:                                               ; preds = %14
  %31 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %32 = getelementptr inbounds %struct.s2n_debug_info, ptr %31, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8, !tbaa !9
  %34 = getelementptr inbounds i8, ptr %33, i64 21
  br label %35

35:                                               ; preds = %30, %23
  %36 = phi ptr [ %29, %23 ], [ %34, %30 ]
  %37 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %38 = getelementptr inbounds %struct.s2n_debug_info, ptr %37, i32 0, i32 1
  store ptr %36, ptr %38, align 8, !tbaa !11
  %39 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %39, align 4, !tbaa !12
  %40 = call i32 @s2n_calculate_stacktrace()
  br label %41

41:                                               ; preds = %35
  %42 = getelementptr inbounds %struct.s2n_result, ptr %3, i32 0, i32 0
  store i32 -1, ptr %42, align 4, !tbaa !14
  br label %111

43:                                               ; No predecessors!
  br label %44

44:                                               ; preds = %43, %9
  br label %45

45:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  store ptr null, ptr %6, align 8, !tbaa !5
  br label %46

46:                                               ; preds = %45
  %47 = load ptr, ptr %4, align 8, !tbaa !5
  %48 = call i32 @s2n_connection_get_ecc_preferences(ptr noundef %47, ptr noundef %6)
  %49 = icmp sgt i32 %48, -1
  br i1 %49, label %52, label %50

50:                                               ; preds = %46
  %51 = getelementptr inbounds %struct.s2n_result, ptr %3, i32 0, i32 0
  store i32 -1, ptr %51, align 4, !tbaa !14
  store i32 1, ptr %7, align 4
  br label %110

52:                                               ; preds = %46
  br label %53

53:                                               ; preds = %52
  br label %54

54:                                               ; preds = %53
  br label %55

55:                                               ; preds = %54
  %56 = load ptr, ptr %6, align 8, !tbaa !5
  %57 = icmp ne ptr %56, null
  br i1 %57, label %92, label %58

58:                                               ; preds = %55
  br label %59

59:                                               ; preds = %58
  br label %60

60:                                               ; preds = %59
  %61 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %62 = getelementptr inbounds %struct.s2n_debug_info, ptr %61, i32 0, i32 0
  store ptr @.str.1, ptr %62, align 8, !tbaa !9
  %63 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %64 = getelementptr inbounds %struct.s2n_debug_info, ptr %63, i32 0, i32 0
  %65 = load ptr, ptr %64, align 8, !tbaa !9
  %66 = getelementptr inbounds i8, ptr %65, i64 21
  %67 = call ptr @strrchr(ptr noundef %66, i32 noundef 47) #5
  %68 = icmp ne ptr %67, null
  br i1 %68, label %69, label %76

69:                                               ; preds = %60
  %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 0
  %72 = load ptr, ptr %71, align 8, !tbaa !9
  %73 = getelementptr inbounds i8, ptr %72, i64 21
  %74 = call ptr @strrchr(ptr noundef %73, i32 noundef 47) #5
  %75 = getelementptr inbounds i8, ptr %74, i64 1
  br label %81

76:                                               ; preds = %60
  %77 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %78 = getelementptr inbounds %struct.s2n_debug_info, ptr %77, i32 0, i32 0
  %79 = load ptr, ptr %78, align 8, !tbaa !9
  %80 = getelementptr inbounds i8, ptr %79, i64 21
  br label %81

81:                                               ; preds = %76, %69
  %82 = phi ptr [ %75, %69 ], [ %80, %76 ]
  %83 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %84 = getelementptr inbounds %struct.s2n_debug_info, ptr %83, i32 0, i32 1
  store ptr %82, ptr %84, align 8, !tbaa !11
  %85 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %85, align 4, !tbaa !12
  %86 = call i32 @s2n_calculate_stacktrace()
  br label %87

87:                                               ; preds = %81
  br label %88

88:                                               ; preds = %87
  %89 = getelementptr inbounds %struct.s2n_result, ptr %3, i32 0, i32 0
  store i32 -1, ptr %89, align 4, !tbaa !14
  store i32 1, ptr %7, align 4
  br label %110

90:                                               ; No predecessors!
  br label %91

91:                                               ; preds = %90
  br label %92

92:                                               ; preds = %91, %55
  br label %93

93:                                               ; preds = %92
  br label %94

94:                                               ; preds = %93
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 6, ptr %8, align 4, !tbaa !12
  %95 = load i32, ptr %8, align 4, !tbaa !12
  %96 = add i32 %95, 4
  store i32 %96, ptr %8, align 4, !tbaa !12
  %97 = load ptr, ptr %6, align 8, !tbaa !5
  %98 = getelementptr inbounds %struct.s2n_ecc_preferences, ptr %97, i32 0, i32 1
  %99 = load ptr, ptr %98, align 8, !tbaa !16
  %100 = getelementptr inbounds ptr, ptr %99, i64 0
  %101 = load ptr, ptr %100, align 8, !tbaa !5
  %102 = getelementptr inbounds %struct.s2n_ecc_named_curve, ptr %101, i32 0, i32 3
  %103 = load i8, ptr %102, align 8, !tbaa !18
  %104 = zext i8 %103 to i32
  %105 = load i32, ptr %8, align 4, !tbaa !12
  %106 = add i32 %105, %104
  store i32 %106, ptr %8, align 4, !tbaa !12
  %107 = load i32, ptr %8, align 4, !tbaa !12
  %108 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 %107, ptr %108, align 4, !tbaa !12
  %109 = getelementptr inbounds %struct.s2n_result, ptr %3, i32 0, i32 0
  store i32 0, ptr %109, align 4, !tbaa !14
  store i32 1, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %110

110:                                              ; preds = %94, %88, %50
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %111

111:                                              ; preds = %110, %41
  %112 = getelementptr inbounds %struct.s2n_result, ptr %3, i32 0, i32 0
  %113 = load i32, ptr %112, align 4
  ret i32 %113
}

; 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.start.p0(i64 immarg, ptr nocapture) #4

declare i32 @s2n_connection_get_ecc_preferences(ptr noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #4

attributes #0 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !13, i64 0}
!15 = !{!"", !13, i64 0}
!16 = !{!17, !6, i64 8}
!17 = !{!"s2n_ecc_preferences", !7, i64 0, !6, i64 8}
!18 = !{!19, !7, i64 16}
!19 = !{!"s2n_ecc_named_curve", !20, i64 0, !13, i64 4, !6, i64 8, !7, i64 16, !6, i64 24}
!20 = !{!"short", !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 }

@.str = external hidden unnamed_addr constant [118 x i8], align 1
@_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.1 = external hidden unnamed_addr constant [118 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_extensions_client_key_share_size(ptr noundef %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  %3 = alloca ptr, align 8
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %4, label %12

4:                                                ; preds = %2
  %5 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str, ptr %5, align 8, !tbaa !5
  %6 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str, i64 21), i32 noundef 47) #5
  %.not8 = icmp eq ptr %6, null
  %7 = getelementptr inbounds i8, ptr %6, i64 1
  %8 = select i1 %.not8, ptr getelementptr inbounds (i8, ptr @.str, i64 21), ptr %7
  %9 = getelementptr inbounds i8, ptr %5, i64 8
  store ptr %8, ptr %9, align 8, !tbaa !10
  %10 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %10, align 4, !tbaa !11
  %11 = tail call i32 @s2n_calculate_stacktrace() #6
  br label %34

12:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  store ptr null, ptr %3, align 8, !tbaa !13
  %13 = call i32 @s2n_connection_get_ecc_preferences(ptr noundef nonnull %0, ptr noundef nonnull %3) #6
  %14 = icmp sgt i32 %13, -1
  br i1 %14, label %15, label %33

15:                                               ; preds = %12
  %16 = load ptr, ptr %3, align 8, !tbaa !13
  %.not9 = icmp eq ptr %16, null
  br i1 %.not9, label %17, label %25

17:                                               ; preds = %15
  %18 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.1, ptr %18, align 8, !tbaa !5
  %19 = call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.1, i64 21), i32 noundef 47) #5
  %.not10 = icmp eq ptr %19, null
  %20 = getelementptr inbounds i8, ptr %19, i64 1
  %21 = select i1 %.not10, ptr getelementptr inbounds (i8, ptr @.str.1, i64 21), ptr %20
  %22 = getelementptr inbounds i8, ptr %18, i64 8
  store ptr %21, ptr %22, align 8, !tbaa !10
  %23 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %23, align 4, !tbaa !11
  %24 = call i32 @s2n_calculate_stacktrace() #6
  br label %33

25:                                               ; preds = %15
  %26 = getelementptr inbounds i8, ptr %16, i64 8
  %27 = load ptr, ptr %26, align 8, !tbaa !14
  %28 = load ptr, ptr %27, align 8, !tbaa !13
  %29 = getelementptr inbounds i8, ptr %28, i64 16
  %30 = load i8, ptr %29, align 8, !tbaa !16
  %31 = zext i8 %30 to i32
  %32 = add nuw nsw i32 %31, 10
  store i32 %32, ptr %1, align 4, !tbaa !11
  br label %33

33:                                               ; preds = %12, %25, %17
  %.sroa.0.0 = phi i32 [ 0, %25 ], [ -1, %17 ], [ -1, %12 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  br label %34

34:                                               ; preds = %33, %4
  %.sroa.0.1 = phi i32 [ %.sroa.0.0, %33 ], [ -1, %4 ]
  ret i32 %.sroa.0.1
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #1

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare ptr @strrchr(ptr noundef, i32 noundef) local_unnamed_addr #2

declare i32 @s2n_calculate_stacktrace() local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #4

declare i32 @s2n_connection_get_ecc_preferences(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #4

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { 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 #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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}
!13 = !{!7, !7, i64 0}
!14 = !{!15, !7, i64 8}
!15 = !{!"s2n_ecc_preferences", !8, i64 0, !7, i64 8}
!16 = !{!17, !8, i64 16}
!17 = !{!"s2n_ecc_named_curve", !18, i64 0, !12, i64 4, !7, i64 8, !8, i64 16, !7, i64 24}
!18 = !{!"short", !8, i64 0}


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