; LLVM IR from guanzhi/GmSSL :: src (sm9_enc)

; 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.SM9_Z256_POINT = type { [4 x i64], [4 x i64], [4 x i64] }

@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__.sm9_decrypt = external hidden unnamed_addr constant [12 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

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_do_decrypt(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_ciphertext_from_der(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

declare i32 @asn1_length_is_zero(i64 noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @sm9_decrypt(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, i64 noundef %4, ptr noundef %5, ptr noundef %6) #2 {
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i64, align 8
  %14 = alloca ptr, align 8
  %15 = alloca ptr, align 8
  %16 = alloca %struct.SM9_Z256_POINT, align 8
  %17 = alloca ptr, align 8
  %18 = alloca i64, align 8
  %19 = alloca ptr, align 8
  %20 = alloca i32, align 4
  store ptr %0, ptr %9, align 8, !tbaa !5
  store ptr %1, ptr %10, align 8, !tbaa !5
  store i64 %2, ptr %11, align 8, !tbaa !9
  store ptr %3, ptr %12, align 8, !tbaa !5
  store i64 %4, ptr %13, align 8, !tbaa !9
  store ptr %5, ptr %14, align 8, !tbaa !5
  store ptr %6, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 96, ptr %16) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #4
  %21 = call i32 @sm9_ciphertext_from_der(ptr noundef %16, ptr noundef %17, ptr noundef %18, ptr noundef %19, ptr noundef %12, ptr noundef %13)
  %22 = icmp ne i32 %21, 1
  br i1 %22, label %27, label %23

23:                                               ; preds = %7
  %24 = load i64, ptr %13, align 8, !tbaa !9
  %25 = call i32 @asn1_length_is_zero(i64 noundef %24)
  %26 = icmp ne i32 %25, 1
  br i1 %26, label %27, label %33

27:                                               ; preds = %23, %7
  br label %28

28:                                               ; preds = %27
  %29 = load ptr, ptr @stderr, align 8, !tbaa !5
  %30 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %29, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 275, ptr noundef @__FUNCTION__.sm9_decrypt) #4
  br label %31

31:                                               ; preds = %28
  br label %32

32:                                               ; preds = %31
  store i32 -1, ptr %8, align 4
  store i32 1, ptr %20, align 4
  br label %56

33:                                               ; preds = %23
  %34 = load i64, ptr %18, align 8, !tbaa !9
  %35 = load ptr, ptr %15, align 8, !tbaa !5
  store i64 %34, ptr %35, align 8, !tbaa !9
  %36 = load ptr, ptr %14, align 8, !tbaa !5
  %37 = icmp ne ptr %36, null
  br i1 %37, label %39, label %38

38:                                               ; preds = %33
  store i32 1, ptr %8, align 4
  store i32 1, ptr %20, align 4
  br label %56

39:                                               ; preds = %33
  %40 = load ptr, ptr %9, align 8, !tbaa !5
  %41 = load ptr, ptr %10, align 8, !tbaa !5
  %42 = load i64, ptr %11, align 8, !tbaa !9
  %43 = load ptr, ptr %17, align 8, !tbaa !5
  %44 = load i64, ptr %18, align 8, !tbaa !9
  %45 = load ptr, ptr %19, align 8, !tbaa !5
  %46 = load ptr, ptr %14, align 8, !tbaa !5
  %47 = call i32 @sm9_do_decrypt(ptr noundef %40, ptr noundef %41, i64 noundef %42, ptr noundef %16, ptr noundef %43, i64 noundef %44, ptr noundef %45, ptr noundef %46)
  %48 = icmp ne i32 %47, 1
  br i1 %48, label %49, label %55

49:                                               ; preds = %39
  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 283, ptr noundef @__FUNCTION__.sm9_decrypt) #4
  br label %53

53:                                               ; preds = %50
  br label %54

54:                                               ; preds = %53
  store i32 -1, ptr %8, align 4
  store i32 1, ptr %20, align 4
  br label %56

55:                                               ; preds = %39
  store i32 1, ptr %8, align 4
  store i32 1, ptr %20, align 4
  br label %56

56:                                               ; preds = %55, %54, %38, %32
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 96, ptr %16) #4
  %57 = load i32, ptr %8, align 4
  ret i32 %57
}

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 = { 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 #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 = { 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}


; 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.SM9_Z256_POINT = type { [4 x i64], [4 x i64], [4 x i64] }

@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__.sm9_decrypt = external hidden unnamed_addr constant [12 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

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_do_decrypt(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_ciphertext_from_der(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @asn1_length_is_zero(i64 noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @sm9_decrypt(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, i64 noundef %4, ptr noundef %5, ptr nocapture noundef writeonly %6) local_unnamed_addr #2 {
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca %struct.SM9_Z256_POINT, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i64, align 8
  %13 = alloca ptr, align 8
  store ptr %3, ptr %8, align 8, !tbaa !5
  store i64 %4, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 96, ptr nonnull %10) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #4
  %14 = call i32 @sm9_ciphertext_from_der(ptr noundef nonnull %10, ptr noundef nonnull %11, ptr noundef nonnull %12, ptr noundef nonnull %13, ptr noundef nonnull %8, ptr noundef nonnull %9)
  %.not = icmp eq i32 %14, 1
  br i1 %.not, label %15, label %.sink.split

15:                                               ; preds = %7
  %16 = load i64, ptr %9, align 8, !tbaa !9
  %17 = call i32 @asn1_length_is_zero(i64 noundef %16) #4
  %.not7 = icmp eq i32 %17, 1
  br i1 %.not7, label %18, label %.sink.split

18:                                               ; preds = %15
  %19 = load i64, ptr %12, align 8, !tbaa !9
  store i64 %19, ptr %6, align 8, !tbaa !9
  %.not8 = icmp eq ptr %5, null
  br i1 %.not8, label %26, label %20

20:                                               ; preds = %18
  %21 = load ptr, ptr %11, align 8, !tbaa !5
  %22 = load ptr, ptr %13, align 8, !tbaa !5
  %23 = call i32 @sm9_do_decrypt(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef nonnull %10, ptr noundef %21, i64 noundef %19, ptr noundef %22, ptr noundef nonnull %5)
  %.not9 = icmp eq i32 %23, 1
  br i1 %.not9, label %26, label %.sink.split

.sink.split:                                      ; preds = %20, %15, %7
  %.sink10 = phi i32 [ 275, %7 ], [ 275, %15 ], [ 283, %20 ]
  %24 = load ptr, ptr @stderr, align 8, !tbaa !5
  %25 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %24, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef %.sink10, ptr noundef nonnull @__FUNCTION__.sm9_decrypt) #5
  br label %26

26:                                               ; preds = %.sink.split, %20, %18
  %.0 = phi i32 [ 1, %18 ], [ 1, %20 ], [ -1, %.sink.split ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %10) #4
  ret i32 %.0
}

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 = { 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 #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 = { 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}


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