; LLVM IR from guanzhi/GmSSL :: src (sm9_lib)

; 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_SIGNATURE = type { [4 x i64], %struct.SM9_Z256_POINT }
%struct.SM9_Z256_POINT = type { [4 x i64], [4 x i64], [4 x i64] }
%struct.SM9_SIGN_CTX = type { %struct.SM3_CTX }
%struct.SM3_CTX = type { [8 x i32], i64, [64 x i8], 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_sign_finish = external hidden unnamed_addr constant [16 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_signature_to_der(ptr noundef, ptr noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @sm9_sign_finish(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca %struct.SM9_SIGNATURE, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 128, ptr %10) #3
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.SM9_SIGN_CTX, ptr %13, i32 0, i32 0
  %15 = call i32 @sm9_do_sign(ptr noundef %12, ptr noundef %14, ptr noundef %10)
  %16 = icmp ne i32 %15, 1
  br i1 %16, label %17, label %23

17:                                               ; preds = %4
  br label %18

18:                                               ; preds = %17
  %19 = load ptr, ptr @stderr, align 8, !tbaa !5
  %20 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %19, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 97, ptr noundef @__FUNCTION__.sm9_sign_finish) #3
  br label %21

21:                                               ; preds = %18
  br label %22

22:                                               ; preds = %21
  store i32 -1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %35

23:                                               ; preds = %4
  %24 = load ptr, ptr %9, align 8, !tbaa !5
  store i64 0, ptr %24, align 8, !tbaa !9
  %25 = load ptr, ptr %9, align 8, !tbaa !5
  %26 = call i32 @sm9_signature_to_der(ptr noundef %10, ptr noundef %8, ptr noundef %25)
  %27 = icmp ne i32 %26, 1
  br i1 %27, label %28, label %34

28:                                               ; preds = %23
  br label %29

29:                                               ; preds = %28
  %30 = load ptr, ptr @stderr, align 8, !tbaa !5
  %31 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %30, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 102, ptr noundef @__FUNCTION__.sm9_sign_finish) #3
  br label %32

32:                                               ; preds = %29
  br label %33

33:                                               ; preds = %32
  store i32 -1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %35

34:                                               ; preds = %23
  store i32 1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %35

35:                                               ; preds = %34, %33, %22
  call void @llvm.lifetime.end.p0(i64 128, ptr %10) #3
  %36 = load i32, ptr %5, align 4
  ret i32 %36
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_do_sign(ptr noundef, ptr noundef, ptr noundef) #0

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 willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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_SIGNATURE = type { [4 x i64], %struct.SM9_Z256_POINT }
%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_sign_finish = external hidden unnamed_addr constant [16 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_signature_to_der(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @sm9_sign_finish(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #0 {
  %5 = alloca ptr, align 8
  %6 = alloca %struct.SM9_SIGNATURE, align 8
  store ptr %2, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 128, ptr nonnull %6) #3
  %7 = call i32 @sm9_do_sign(ptr noundef %1, ptr noundef %0, ptr noundef nonnull %6)
  %.not = icmp eq i32 %7, 1
  br i1 %.not, label %8, label %.sink.split

8:                                                ; preds = %4
  store i64 0, ptr %3, align 8, !tbaa !9
  %9 = call i32 @sm9_signature_to_der(ptr noundef nonnull %6, ptr noundef nonnull %5, ptr noundef nonnull %3)
  %.not4 = icmp eq i32 %9, 1
  br i1 %.not4, label %12, label %.sink.split

.sink.split:                                      ; preds = %8, %4
  %.sink5 = phi i32 [ 97, %4 ], [ 102, %8 ]
  %10 = load ptr, ptr @stderr, align 8, !tbaa !5
  %11 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %10, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef %.sink5, ptr noundef nonnull @__FUNCTION__.sm9_sign_finish) #4
  br label %12

12:                                               ; preds = %.sink.split, %8
  %.0 = phi i32 [ 1, %8 ], [ -1, %.sink.split ]
  call void @llvm.lifetime.end.p0(i64 128, ptr nonnull %6) #3
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_do_sign(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

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 willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nounwind }
attributes #4 = { 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,SROAPass,SimplifyCFGPass