; LLVM IR from guanzhi/GmSSL :: src (x509_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 [62 x i8], align 1
@__FUNCTION__.x509_exts_add_subject_key_identifier_ex = external hidden unnamed_addr constant [40 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 @sm2_public_key_digest(ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_exts_add_subject_key_identifier(ptr noundef, ptr noundef, i64 noundef, i32 noundef, ptr noundef, i64 noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_exts_add_subject_key_identifier_ex(ptr noundef %0, ptr noundef %1, i64 noundef %2, i32 noundef %3, ptr noundef %4) #3 {
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca [32 x i8], align 16
  %13 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store i64 %2, ptr %9, align 8, !tbaa !9
  store i32 %3, ptr %10, align 4, !tbaa !11
  store ptr %4, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #4
  %14 = load ptr, ptr %11, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %17, label %16

16:                                               ; preds = %5
  store i32 0, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %43

17:                                               ; preds = %5
  %18 = load ptr, ptr %11, align 8, !tbaa !5
  %19 = getelementptr inbounds [32 x i8], ptr %12, i64 0, i64 0
  %20 = call i32 @sm2_public_key_digest(ptr noundef %18, ptr noundef %19)
  %21 = icmp ne i32 %20, 1
  br i1 %21, label %22, label %28

22:                                               ; preds = %17
  br label %23

23:                                               ; preds = %22
  %24 = load ptr, ptr @stderr, align 8, !tbaa !5
  %25 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %24, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 411, ptr noundef @__FUNCTION__.x509_exts_add_subject_key_identifier_ex) #4
  br label %26

26:                                               ; preds = %23
  br label %27

27:                                               ; preds = %26
  store i32 -1, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %43

28:                                               ; preds = %17
  %29 = load ptr, ptr %7, align 8, !tbaa !5
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  %31 = load i64, ptr %9, align 8, !tbaa !9
  %32 = load i32, ptr %10, align 4, !tbaa !11
  %33 = getelementptr inbounds [32 x i8], ptr %12, i64 0, i64 0
  %34 = call i32 @x509_exts_add_subject_key_identifier(ptr noundef %29, ptr noundef %30, i64 noundef %31, i32 noundef %32, ptr noundef %33, i64 noundef 32)
  %35 = icmp ne i32 %34, 1
  br i1 %35, label %36, label %42

36:                                               ; preds = %28
  br label %37

37:                                               ; preds = %36
  %38 = load ptr, ptr @stderr, align 8, !tbaa !5
  %39 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %38, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 415, ptr noundef @__FUNCTION__.x509_exts_add_subject_key_identifier_ex) #4
  br label %40

40:                                               ; preds = %37
  br label %41

41:                                               ; preds = %40
  store i32 -1, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %43

42:                                               ; preds = %28
  store i32 1, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %43

43:                                               ; preds = %42, %41, %27, %16
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #4
  %44 = load i32, ptr %6, align 4
  ret i32 %44
}

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 = !{!"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"

@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 [62 x i8], align 1
@__FUNCTION__.x509_exts_add_subject_key_identifier_ex = external hidden unnamed_addr constant [40 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 @sm2_public_key_digest(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_exts_add_subject_key_identifier(ptr noundef, ptr noundef, i64 noundef, i32 noundef, ptr noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @x509_exts_add_subject_key_identifier_ex(ptr noundef %0, ptr noundef %1, i64 noundef %2, i32 noundef %3, ptr noundef %4) local_unnamed_addr #3 {
  %6 = alloca [32 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #4
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %13, label %7

7:                                                ; preds = %5
  %8 = call i32 @sm2_public_key_digest(ptr noundef nonnull %4, ptr noundef nonnull %6) #4
  %.not7 = icmp eq i32 %8, 1
  br i1 %.not7, label %9, label %.sink.split

9:                                                ; preds = %7
  %10 = call i32 @x509_exts_add_subject_key_identifier(ptr noundef %0, ptr noundef %1, i64 noundef %2, i32 noundef %3, ptr noundef nonnull %6, i64 noundef 32)
  %.not8 = icmp eq i32 %10, 1
  br i1 %.not8, label %13, label %.sink.split

.sink.split:                                      ; preds = %9, %7
  %.sink9 = phi i32 [ 411, %7 ], [ 415, %9 ]
  %11 = load ptr, ptr @stderr, align 8, !tbaa !5
  %12 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %11, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef %.sink9, ptr noundef nonnull @__FUNCTION__.x509_exts_add_subject_key_identifier_ex) #5
  br label %13

13:                                               ; preds = %.sink.split, %9, %5
  %.0 = phi i32 [ 0, %5 ], [ 1, %9 ], [ -1, %.sink.split ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #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 = { "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"}


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