; LLVM IR from guanzhi/GmSSL :: src (x509_crl)

; 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_crl_exts_check = external hidden unnamed_addr constant [20 x i8], align 1

; Function Attrs: nounwind
declare i32 @fprintf(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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_crl_ext_critical_check(i32 noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_crl_ext_from_der_ex(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_crl_exts_check(ptr noundef %0, i64 noundef %1) #2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca [32 x i32], align 16
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  %12 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 128, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  br label %13

13:                                               ; preds = %46, %2
  %14 = load i64, ptr %5, align 8, !tbaa !9
  %15 = icmp ne i64 %14, 0
  br i1 %15, label %16, label %47

16:                                               ; preds = %13
  %17 = getelementptr inbounds [32 x i32], ptr %7, i64 0, i64 0
  %18 = call i32 @x509_crl_ext_from_der_ex(ptr noundef %6, ptr noundef %17, ptr noundef %8, ptr noundef %9, ptr noundef %10, ptr noundef %11, ptr noundef %4, ptr noundef %5)
  %19 = icmp ne i32 %18, 1
  br i1 %19, label %20, label %26

20:                                               ; preds = %16
  br label %21

21:                                               ; preds = %20
  %22 = load ptr, ptr @stderr, align 8, !tbaa !5
  %23 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %22, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1215, ptr noundef @__FUNCTION__.x509_crl_exts_check) #3
  br label %24

24:                                               ; preds = %21
  br label %25

25:                                               ; preds = %24
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %12, align 4
  br label %48

26:                                               ; preds = %16
  %27 = load i32, ptr %6, align 4, !tbaa !11
  %28 = load i32, ptr %9, align 4, !tbaa !11
  %29 = call i32 @x509_crl_ext_critical_check(i32 noundef %27, i32 noundef %28)
  %30 = icmp ne i32 %29, 1
  br i1 %30, label %31, label %37

31:                                               ; preds = %26
  br label %32

32:                                               ; preds = %31
  %33 = load ptr, ptr @stderr, align 8, !tbaa !5
  %34 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %33, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1219, ptr noundef @__FUNCTION__.x509_crl_exts_check) #3
  br label %35

35:                                               ; preds = %32
  br label %36

36:                                               ; preds = %35
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %12, align 4
  br label %48

37:                                               ; preds = %26
  %38 = load i32, ptr %9, align 4, !tbaa !11
  %39 = icmp eq i32 %38, 1
  br i1 %39, label %40, label %46

40:                                               ; preds = %37
  br label %41

41:                                               ; preds = %40
  %42 = load ptr, ptr @stderr, align 8, !tbaa !5
  %43 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %42, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1223, ptr noundef @__FUNCTION__.x509_crl_exts_check) #3
  br label %44

44:                                               ; preds = %41
  br label %45

45:                                               ; preds = %44
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %12, align 4
  br label %48

46:                                               ; preds = %37
  br label %13, !llvm.loop !13

47:                                               ; preds = %13
  store i32 1, ptr %3, align 4
  store i32 1, ptr %12, align 4
  br label %48

48:                                               ; preds = %47, %45, %36, %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 128, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %49 = load i32, ptr %3, align 4
  ret i32 %49
}

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [62 x i8], align 1
@__FUNCTION__.x509_crl_exts_check = external hidden unnamed_addr constant [20 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) 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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_crl_ext_critical_check(i32 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_crl_ext_from_der_ex(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @x509_crl_exts_check(ptr noundef %0, i64 noundef %1) local_unnamed_addr #2 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  %6 = alloca [32 x i32], align 16
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #3
  call void @llvm.lifetime.start.p0(i64 128, ptr nonnull %6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #3
  br label %11

11:                                               ; preds = %19, %2
  %12 = load i64, ptr %4, align 8, !tbaa !9
  %.not = icmp eq i64 %12, 0
  br i1 %.not, label %.loopexit, label %13

13:                                               ; preds = %11
  %14 = call i32 @x509_crl_ext_from_der_ex(ptr noundef nonnull %5, ptr noundef nonnull %6, ptr noundef nonnull %7, ptr noundef nonnull %8, ptr noundef nonnull %9, ptr noundef nonnull %10, ptr noundef nonnull %3, ptr noundef nonnull %4)
  %.not1 = icmp eq i32 %14, 1
  br i1 %.not1, label %15, label %.loopexit.sink.split

15:                                               ; preds = %13
  %16 = load i32, ptr %5, align 4, !tbaa !11
  %17 = load i32, ptr %8, align 4, !tbaa !11
  %18 = call i32 @x509_crl_ext_critical_check(i32 noundef %16, i32 noundef %17)
  %.not2 = icmp eq i32 %18, 1
  br i1 %.not2, label %19, label %.loopexit.sink.split

19:                                               ; preds = %15
  %20 = load i32, ptr %8, align 4, !tbaa !11
  %21 = icmp eq i32 %20, 1
  br i1 %21, label %.loopexit.sink.split, label %11, !llvm.loop !13

.loopexit.sink.split:                             ; preds = %19, %15, %13
  %.sink3 = phi i32 [ 1215, %13 ], [ 1219, %15 ], [ 1223, %19 ]
  %22 = load ptr, ptr @stderr, align 8, !tbaa !5
  %23 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %22, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef %.sink3, ptr noundef nonnull @__FUNCTION__.x509_crl_exts_check) #4
  br label %.loopexit

.loopexit:                                        ; preds = %11, %.loopexit.sink.split
  %.0 = phi i32 [ -1, %.loopexit.sink.split ], [ 1, %11 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 128, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #3
  ret i32 %.0
}

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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