; LLVM IR from guanzhi/GmSSL :: src (x509_cer)

; 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.3 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [62 x i8], align 1
@__FUNCTION__.x509_name_get_value_by_type = external hidden unnamed_addr constant [28 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_nonempty_type_from_der(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_rdn_get_value_by_type(ptr noundef, i64 noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_name_get_value_by_type(ptr noundef %0, i64 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5) #3 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca ptr, align 8
  %16 = alloca i64, align 8
  %17 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store i64 %1, ptr %9, align 8, !tbaa !9
  store i32 %2, ptr %10, align 4, !tbaa !11
  store ptr %3, ptr %11, align 8, !tbaa !5
  store ptr %4, ptr %12, align 8, !tbaa !5
  store ptr %5, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  br label %18

18:                                               ; preds = %49, %6
  %19 = load i64, ptr %9, align 8, !tbaa !9
  %20 = icmp ne i64 %19, 0
  br i1 %20, label %21, label %50

21:                                               ; preds = %18
  %22 = call i32 @asn1_nonempty_type_from_der(i32 noundef 49, ptr noundef %15, ptr noundef %16, ptr noundef %8, ptr noundef %9)
  %23 = icmp ne i32 %22, 1
  br i1 %23, label %24, label %30

24:                                               ; preds = %21
  br label %25

25:                                               ; preds = %24
  %26 = load ptr, ptr @stderr, align 8, !tbaa !5
  %27 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %26, ptr noundef @.str.3, ptr noundef @.str.4, i32 noundef 841, ptr noundef @__FUNCTION__.x509_name_get_value_by_type) #4
  br label %28

28:                                               ; preds = %25
  br label %29

29:                                               ; preds = %28
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %17, align 4
  br label %51

30:                                               ; preds = %21
  %31 = load ptr, ptr %15, align 8, !tbaa !5
  %32 = load i64, ptr %16, align 8, !tbaa !9
  %33 = load i32, ptr %10, align 4, !tbaa !11
  %34 = load ptr, ptr %11, align 8, !tbaa !5
  %35 = load ptr, ptr %12, align 8, !tbaa !5
  %36 = load ptr, ptr %13, align 8, !tbaa !5
  %37 = call i32 @x509_rdn_get_value_by_type(ptr noundef %31, i64 noundef %32, i32 noundef %33, ptr noundef %34, ptr noundef %35, ptr noundef %36)
  store i32 %37, ptr %14, align 4, !tbaa !11
  %38 = icmp slt i32 %37, 0
  br i1 %38, label %39, label %45

39:                                               ; preds = %30
  br label %40

40:                                               ; preds = %39
  %41 = load ptr, ptr @stderr, align 8, !tbaa !5
  %42 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %41, ptr noundef @.str.3, ptr noundef @.str.4, i32 noundef 845, ptr noundef @__FUNCTION__.x509_name_get_value_by_type) #4
  br label %43

43:                                               ; preds = %40
  br label %44

44:                                               ; preds = %43
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %17, align 4
  br label %51

45:                                               ; preds = %30
  %46 = load i32, ptr %14, align 4, !tbaa !11
  %47 = icmp ne i32 %46, 0
  br i1 %47, label %48, label %49

48:                                               ; preds = %45
  store i32 1, ptr %7, align 4
  store i32 1, ptr %17, align 4
  br label %51

49:                                               ; preds = %45
  br label %18, !llvm.loop !13

50:                                               ; preds = %18
  store i32 0, ptr %7, align 4
  store i32 1, ptr %17, align 4
  br label %51

51:                                               ; preds = %50, %48, %44, %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  %52 = load i32, ptr %7, align 4
  ret i32 %52
}

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}
!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.3 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [62 x i8], align 1
@__FUNCTION__.x509_name_get_value_by_type = external hidden unnamed_addr constant [28 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_nonempty_type_from_der(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_rdn_get_value_by_type(ptr noundef, i64 noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @x509_name_get_value_by_type(ptr noundef %0, i64 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4, ptr 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 %0, ptr %7, align 8, !tbaa !5
  store i64 %1, 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
  %.not8 = icmp eq i64 %1, 0
  br i1 %.not8, label %.loopexit, label %.lr.ph

thread-pre-split:                                 ; preds = %17
  %.pr = load i64, ptr %8, align 8, !tbaa !9
  %.not = icmp eq i64 %.pr, 0
  br i1 %.not, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %6, %thread-pre-split
  %11 = call i32 @asn1_nonempty_type_from_der(i32 noundef 49, ptr noundef nonnull %9, ptr noundef nonnull %10, ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  %.not6 = icmp eq i32 %11, 1
  br i1 %.not6, label %12, label %.loopexit.sink.split

12:                                               ; preds = %.lr.ph
  %13 = load ptr, ptr %9, align 8, !tbaa !5
  %14 = load i64, ptr %10, align 8, !tbaa !9
  %15 = call i32 @x509_rdn_get_value_by_type(ptr noundef %13, i64 noundef %14, i32 noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5)
  %16 = icmp slt i32 %15, 0
  br i1 %16, label %.loopexit.sink.split, label %17

17:                                               ; preds = %12
  %.not7 = icmp eq i32 %15, 0
  br i1 %.not7, label %thread-pre-split, label %.loopexit, !llvm.loop !11

.loopexit.sink.split:                             ; preds = %12, %.lr.ph
  %.sink11 = phi i32 [ 841, %.lr.ph ], [ 845, %12 ]
  %18 = load ptr, ptr @stderr, align 8, !tbaa !5
  %19 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %18, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.4, i32 noundef %.sink11, ptr noundef nonnull @__FUNCTION__.x509_name_get_value_by_type) #5
  br label %.loopexit

.loopexit:                                        ; preds = %17, %thread-pre-split, %.loopexit.sink.split, %6
  %.0 = phi i32 [ 0, %6 ], [ -1, %.loopexit.sink.split ], [ 1, %17 ], [ 0, %thread-pre-split ]
  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
}

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: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass