; LLVM IR from guanzhi/GmSSL :: src (tls_ext)

; 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"

@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [61 x i8], align 1
@__FUNCTION__.tls13_process_server_key_share = external hidden unnamed_addr constant [31 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: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @tls_length_is_zero(i64 noundef) #2

declare i32 @tls_uint16array_from_bytes(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

declare i32 @tls_uint16_from_bytes(ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @tls13_process_server_key_share(ptr noundef %0, i64 noundef %1, ptr noundef %2) #3 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i16, align 2
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 2, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %20, label %14

14:                                               ; preds = %3
  br label %15

15:                                               ; preds = %14
  %16 = load ptr, ptr @stderr, align 8, !tbaa !5
  %17 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %16, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 664, ptr noundef @__FUNCTION__.tls13_process_server_key_share) #4
  br label %18

18:                                               ; preds = %15
  br label %19

19:                                               ; preds = %18
  store i32 -1, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %68

20:                                               ; preds = %3
  %21 = call i32 @tls_uint16_from_bytes(ptr noundef %8, ptr noundef %5, ptr noundef %6)
  %22 = icmp ne i32 %21, 1
  br i1 %22, label %30, label %23

23:                                               ; preds = %20
  %24 = call i32 @tls_uint16array_from_bytes(ptr noundef %9, ptr noundef %10, ptr noundef %5, ptr noundef %6)
  %25 = icmp ne i32 %24, 1
  br i1 %25, label %30, label %26

26:                                               ; preds = %23
  %27 = load i64, ptr %6, align 8, !tbaa !9
  %28 = call i32 @tls_length_is_zero(i64 noundef %27)
  %29 = icmp ne i32 %28, 1
  br i1 %29, label %30, label %36

30:                                               ; preds = %26, %23, %20
  br label %31

31:                                               ; preds = %30
  %32 = load ptr, ptr @stderr, align 8, !tbaa !5
  %33 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %32, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 670, ptr noundef @__FUNCTION__.tls13_process_server_key_share) #4
  br label %34

34:                                               ; preds = %31
  br label %35

35:                                               ; preds = %34
  store i32 -1, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %68

36:                                               ; preds = %26
  %37 = load i16, ptr %8, align 2, !tbaa !11
  %38 = zext i16 %37 to i32
  %39 = icmp ne i32 %38, 41
  br i1 %39, label %40, label %46

40:                                               ; preds = %36
  br label %41

41:                                               ; preds = %40
  %42 = load ptr, ptr @stderr, align 8, !tbaa !5
  %43 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %42, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 674, ptr noundef @__FUNCTION__.tls13_process_server_key_share) #4
  br label %44

44:                                               ; preds = %41
  br label %45

45:                                               ; preds = %44
  store i32 -1, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %68

46:                                               ; preds = %36
  %47 = load i64, ptr %10, align 8, !tbaa !9
  %48 = icmp ne i64 %47, 65
  br i1 %48, label %49, label %55

49:                                               ; preds = %46
  br label %50

50:                                               ; preds = %49
  %51 = load ptr, ptr @stderr, align 8, !tbaa !5
  %52 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %51, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 678, ptr noundef @__FUNCTION__.tls13_process_server_key_share) #4
  br label %53

53:                                               ; preds = %50
  br label %54

54:                                               ; preds = %53
  store i32 -1, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %68

55:                                               ; preds = %46
  %56 = load ptr, ptr %7, align 8, !tbaa !5
  %57 = load ptr, ptr %9, align 8, !tbaa !5
  %58 = load i64, ptr %10, align 8, !tbaa !9
  %59 = call i32 @sm2_z256_point_from_octets(ptr noundef %56, ptr noundef %57, i64 noundef %58)
  %60 = icmp ne i32 %59, 1
  br i1 %60, label %61, label %67

61:                                               ; preds = %55
  br label %62

62:                                               ; preds = %61
  %63 = load ptr, ptr @stderr, align 8, !tbaa !5
  %64 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %63, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 682, ptr noundef @__FUNCTION__.tls13_process_server_key_share) #4
  br label %65

65:                                               ; preds = %62
  br label %66

66:                                               ; preds = %65
  store i32 -1, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %68

67:                                               ; preds = %55
  store i32 1, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %68

68:                                               ; preds = %67, %66, %54, %45, %35, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 2, ptr %8) #4
  %69 = load i32, ptr %4, align 4
  ret i32 %69
}

declare i32 @sm2_z256_point_from_octets(ptr noundef, ptr noundef, i64 noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind "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 }

!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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [61 x i8], align 1
@__FUNCTION__.tls13_process_server_key_share = external hidden unnamed_addr constant [31 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @tls_length_is_zero(i64 noundef) local_unnamed_addr #2

declare i32 @tls_uint16array_from_bytes(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @tls_uint16_from_bytes(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @tls13_process_server_key_share(ptr noundef %0, i64 noundef %1, ptr noundef %2) local_unnamed_addr #3 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i16, align 2
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 2, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %9, label %12

9:                                                ; preds = %3
  %10 = load ptr, ptr @stderr, align 8, !tbaa !5
  %11 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %10, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 664, ptr noundef nonnull @__FUNCTION__.tls13_process_server_key_share) #5
  br label %38

12:                                               ; preds = %3
  %13 = call i32 @tls_uint16_from_bytes(ptr noundef nonnull %6, ptr noundef nonnull %4, ptr noundef nonnull %5) #4
  %.not4 = icmp eq i32 %13, 1
  br i1 %.not4, label %14, label %19

14:                                               ; preds = %12
  %15 = call i32 @tls_uint16array_from_bytes(ptr noundef nonnull %7, ptr noundef nonnull %8, ptr noundef nonnull %4, ptr noundef nonnull %5) #4
  %.not5 = icmp eq i32 %15, 1
  br i1 %.not5, label %16, label %19

16:                                               ; preds = %14
  %17 = load i64, ptr %5, align 8, !tbaa !9
  %18 = call i32 @tls_length_is_zero(i64 noundef %17) #4
  %.not6 = icmp eq i32 %18, 1
  br i1 %.not6, label %22, label %19

19:                                               ; preds = %12, %14, %16
  %20 = load ptr, ptr @stderr, align 8, !tbaa !5
  %21 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %20, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 670, ptr noundef nonnull @__FUNCTION__.tls13_process_server_key_share) #5
  br label %38

22:                                               ; preds = %16
  %23 = load i16, ptr %6, align 2, !tbaa !11
  %.not7 = icmp eq i16 %23, 41
  br i1 %.not7, label %27, label %24

24:                                               ; preds = %22
  %25 = load ptr, ptr @stderr, align 8, !tbaa !5
  %26 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %25, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 674, ptr noundef nonnull @__FUNCTION__.tls13_process_server_key_share) #5
  br label %38

27:                                               ; preds = %22
  %28 = load i64, ptr %8, align 8, !tbaa !9
  %.not8 = icmp eq i64 %28, 65
  br i1 %.not8, label %32, label %29

29:                                               ; preds = %27
  %30 = load ptr, ptr @stderr, align 8, !tbaa !5
  %31 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %30, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 678, ptr noundef nonnull @__FUNCTION__.tls13_process_server_key_share) #5
  br label %38

32:                                               ; preds = %27
  %33 = load ptr, ptr %7, align 8, !tbaa !5
  %34 = call i32 @sm2_z256_point_from_octets(ptr noundef nonnull %2, ptr noundef %33, i64 noundef 65) #4
  %.not9 = icmp eq i32 %34, 1
  br i1 %.not9, label %38, label %35

35:                                               ; preds = %32
  %36 = load ptr, ptr @stderr, align 8, !tbaa !5
  %37 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %36, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 682, ptr noundef nonnull @__FUNCTION__.tls13_process_server_key_share) #5
  br label %38

38:                                               ; preds = %32, %35, %29, %24, %19, %9
  %.0 = phi i32 [ -1, %19 ], [ -1, %24 ], [ -1, %29 ], [ -1, %35 ], [ -1, %9 ], [ 1, %32 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 2, ptr nonnull %6) #4
  ret i32 %.0
}

declare i32 @sm2_z256_point_from_octets(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nofree nounwind "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 }
attributes #5 = { cold 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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}


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