; 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
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.40 = external hidden unnamed_addr constant [8 x i8], align 1
@__FUNCTION__.x509_attributes_print = external hidden unnamed_addr constant [22 x i8], align 1
@.str.41 = external hidden unnamed_addr constant [10 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 @asn1_type_from_der(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

declare i32 @format_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_attributes_print(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4, i64 noundef %5) #3 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i64, align 8
  %14 = alloca ptr, align 8
  %15 = alloca i64, align 8
  %16 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store i32 %1, ptr %9, align 4, !tbaa !9
  store i32 %2, ptr %10, align 4, !tbaa !9
  store ptr %3, ptr %11, align 8, !tbaa !5
  store ptr %4, ptr %12, align 8, !tbaa !5
  store i64 %5, ptr %13, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %17 = load ptr, ptr %11, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %19, label %27

19:                                               ; preds = %6
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  %21 = load i32, ptr %9, align 4, !tbaa !9
  %22 = load i32, ptr %10, align 4, !tbaa !9
  %23 = load ptr, ptr %11, align 8, !tbaa !5
  %24 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %20, i32 noundef %21, i32 noundef %22, ptr noundef @.str.2, ptr noundef %23)
  %25 = load i32, ptr %10, align 4, !tbaa !9
  %26 = add nsw i32 %25, 4
  store i32 %26, ptr %10, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %19, %6
  %28 = load i64, ptr %13, align 8, !tbaa !11
  %29 = icmp ne i64 %28, 0
  br i1 %29, label %35, label %30

30:                                               ; preds = %27
  %31 = load ptr, ptr %8, align 8, !tbaa !5
  %32 = load i32, ptr %9, align 4, !tbaa !9
  %33 = load i32, ptr %10, align 4, !tbaa !9
  %34 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %31, i32 noundef %32, i32 noundef %33, ptr noundef @.str.40)
  br label %35

35:                                               ; preds = %30, %27
  br label %36

36:                                               ; preds = %48, %35
  %37 = load i64, ptr %13, align 8, !tbaa !11
  %38 = icmp ne i64 %37, 0
  br i1 %38, label %39, label %55

39:                                               ; preds = %36
  %40 = call i32 @asn1_type_from_der(i32 noundef 48, ptr noundef %14, ptr noundef %15, ptr noundef %12, ptr noundef %13)
  %41 = icmp ne i32 %40, 1
  br i1 %41, label %42, label %48

42:                                               ; preds = %39
  br label %43

43:                                               ; preds = %42
  %44 = load ptr, ptr @stderr, align 8, !tbaa !5
  %45 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %44, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1980, ptr noundef @__FUNCTION__.x509_attributes_print) #4
  br label %46

46:                                               ; preds = %43
  br label %47

47:                                               ; preds = %46
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %56

48:                                               ; preds = %39
  %49 = load ptr, ptr %8, align 8, !tbaa !5
  %50 = load i32, ptr %9, align 4, !tbaa !9
  %51 = load i32, ptr %10, align 4, !tbaa !9
  %52 = load ptr, ptr %14, align 8, !tbaa !5
  %53 = load i64, ptr %15, align 8, !tbaa !11
  %54 = call i32 @x509_attribute_print(ptr noundef %49, i32 noundef %50, i32 noundef %51, ptr noundef @.str.41, ptr noundef %52, i64 noundef %53)
  br label %36, !llvm.loop !13

55:                                               ; preds = %36
  store i32 1, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %56

56:                                               ; preds = %55, %47
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  %57 = load i32, ptr %7, align 4
  ret i32 %57
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_attribute_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, i64 noundef) #3

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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.40 = external hidden unnamed_addr constant [8 x i8], align 1
@__FUNCTION__.x509_attributes_print = external hidden unnamed_addr constant [22 x i8], align 1
@.str.41 = external hidden unnamed_addr constant [10 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 @asn1_type_from_der(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @format_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ...) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @x509_attributes_print(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4, i64 noundef %5) local_unnamed_addr #3 {
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  store ptr %4, ptr %7, align 8, !tbaa !5
  store i64 %5, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %14, label %11

11:                                               ; preds = %6
  %12 = tail call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull @.str.2, ptr noundef nonnull %3) #4
  %13 = add nsw i32 %2, 4
  br label %14

14:                                               ; preds = %11, %6
  %.012 = phi i32 [ %13, %11 ], [ %2, %6 ]
  %.not14 = icmp eq i64 %5, 0
  br i1 %.not14, label %.thread, label %.lr.ph

.thread:                                          ; preds = %14
  %15 = tail call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %0, i32 noundef %1, i32 noundef %.012, ptr noundef nonnull @.str.40) #4
  br label %.loopexit

.lr.ph:                                           ; preds = %14, %20
  %16 = call i32 @asn1_type_from_der(i32 noundef 48, ptr noundef nonnull %9, ptr noundef nonnull %10, ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  %.not16 = icmp eq i32 %16, 1
  br i1 %.not16, label %20, label %17

17:                                               ; preds = %.lr.ph
  %18 = load ptr, ptr @stderr, align 8, !tbaa !5
  %19 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %18, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 1980, ptr noundef nonnull @__FUNCTION__.x509_attributes_print) #5
  br label %.loopexit

20:                                               ; preds = %.lr.ph
  %21 = load ptr, ptr %9, align 8, !tbaa !5
  %22 = load i64, ptr %10, align 8, !tbaa !9
  %23 = call i32 @x509_attribute_print(ptr noundef %0, i32 noundef %1, i32 noundef %.012, ptr noundef nonnull @.str.41, ptr noundef %21, i64 noundef %22)
  %24 = load i64, ptr %8, align 8, !tbaa !9
  %.not15 = icmp eq i64 %24, 0
  br i1 %.not15, label %.loopexit, label %.lr.ph, !llvm.loop !11

.loopexit:                                        ; preds = %20, %.thread, %17
  %.0 = phi i32 [ -1, %17 ], [ 1, %.thread ], [ 1, %20 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_attribute_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #3

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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass