; 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_cert_from_pem_by_subject = external hidden unnamed_addr constant [30 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

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_name_equ(ptr noundef, i64 noundef, ptr noundef, i64 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_cert_get_subject(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_cert_from_pem(ptr noundef, ptr noundef, i64 noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_cert_from_pem_by_subject(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, i64 noundef %4, ptr noundef %5) #2 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i64, 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 ptr %1, ptr %9, align 8, !tbaa !5
  store i64 %2, ptr %10, align 8, !tbaa !9
  store ptr %3, ptr %11, align 8, !tbaa !5
  store i64 %4, ptr %12, align 8, !tbaa !9
  store ptr %5, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #3
  br label %18

18:                                               ; preds = %58, %6
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = load ptr, ptr %9, align 8, !tbaa !5
  %21 = load i64, ptr %10, align 8, !tbaa !9
  %22 = load ptr, ptr %13, align 8, !tbaa !5
  %23 = call i32 @x509_cert_from_pem(ptr noundef %19, ptr noundef %20, i64 noundef %21, ptr noundef %22)
  store i32 %23, ptr %14, align 4, !tbaa !11
  %24 = icmp ne i32 %23, 1
  br i1 %24, label %25, label %38

25:                                               ; preds = %18
  %26 = load i32, ptr %14, align 4, !tbaa !11
  %27 = icmp slt i32 %26, 0
  br i1 %27, label %28, label %34

28:                                               ; preds = %25
  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.3, ptr noundef @.str.4, i32 noundef 1329, ptr noundef @__FUNCTION__.x509_cert_from_pem_by_subject) #3
  br label %32

32:                                               ; preds = %29
  br label %33

33:                                               ; preds = %32
  br label %36

34:                                               ; preds = %25
  %35 = load ptr, ptr %9, align 8, !tbaa !5
  store i64 0, ptr %35, align 8, !tbaa !9
  br label %36

36:                                               ; preds = %34, %33
  %37 = load i32, ptr %14, align 4, !tbaa !11
  store i32 %37, ptr %7, align 4
  store i32 1, ptr %17, align 4
  br label %59

38:                                               ; preds = %18
  %39 = load ptr, ptr %8, align 8, !tbaa !5
  %40 = load ptr, ptr %9, align 8, !tbaa !5
  %41 = load i64, ptr %40, align 8, !tbaa !9
  %42 = call i32 @x509_cert_get_subject(ptr noundef %39, i64 noundef %41, ptr noundef %15, ptr noundef %16)
  %43 = icmp ne i32 %42, 1
  br i1 %43, label %44, label %50

44:                                               ; preds = %38
  br label %45

45:                                               ; preds = %44
  %46 = load ptr, ptr @stderr, align 8, !tbaa !5
  %47 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %46, ptr noundef @.str.3, ptr noundef @.str.4, i32 noundef 1334, ptr noundef @__FUNCTION__.x509_cert_from_pem_by_subject) #3
  br label %48

48:                                               ; preds = %45
  br label %49

49:                                               ; preds = %48
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %17, align 4
  br label %59

50:                                               ; preds = %38
  %51 = load ptr, ptr %15, align 8, !tbaa !5
  %52 = load i64, ptr %16, align 8, !tbaa !9
  %53 = load ptr, ptr %11, align 8, !tbaa !5
  %54 = load i64, ptr %12, align 8, !tbaa !9
  %55 = call i32 @x509_name_equ(ptr noundef %51, i64 noundef %52, ptr noundef %53, i64 noundef %54)
  %56 = icmp eq i32 %55, 1
  br i1 %56, label %57, label %58

57:                                               ; preds = %50
  store i32 1, ptr %7, align 4
  store i32 1, ptr %17, align 4
  br label %59

58:                                               ; preds = %50
  br label %18

59:                                               ; preds = %57, %49, %36
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  %60 = load i32, ptr %7, align 4
  ret i32 %60
}

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 = { 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}


; 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_cert_from_pem_by_subject = external hidden unnamed_addr constant [30 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

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_name_equ(ptr noundef, i64 noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_cert_get_subject(ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_cert_from_pem(ptr noundef, ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_cert_from_pem_by_subject(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, i64 noundef %4, ptr noundef %5) local_unnamed_addr #2 {
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #3
  br label %9

9:                                                ; preds = %23, %6
  %10 = call i32 @x509_cert_from_pem(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %5)
  %.not = icmp eq i32 %10, 1
  br i1 %.not, label %17, label %11

11:                                               ; preds = %9
  %12 = icmp slt i32 %10, 0
  br i1 %12, label %13, label %16

13:                                               ; preds = %11
  %14 = load ptr, ptr @stderr, align 8, !tbaa !5
  %15 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %14, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.4, i32 noundef 1329, ptr noundef nonnull @__FUNCTION__.x509_cert_from_pem_by_subject) #4
  br label %.loopexit

16:                                               ; preds = %11
  store i64 0, ptr %1, align 8, !tbaa !9
  br label %.loopexit

17:                                               ; preds = %9
  %18 = load i64, ptr %1, align 8, !tbaa !9
  %19 = call i32 @x509_cert_get_subject(ptr noundef %0, i64 noundef %18, ptr noundef nonnull %7, ptr noundef nonnull %8)
  %.not12 = icmp eq i32 %19, 1
  br i1 %.not12, label %23, label %20

20:                                               ; preds = %17
  %21 = load ptr, ptr @stderr, align 8, !tbaa !5
  %22 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %21, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.4, i32 noundef 1334, ptr noundef nonnull @__FUNCTION__.x509_cert_from_pem_by_subject) #4
  br label %.loopexit

23:                                               ; preds = %17
  %24 = load ptr, ptr %7, align 8, !tbaa !5
  %25 = load i64, ptr %8, align 8, !tbaa !9
  %26 = call i32 @x509_name_equ(ptr noundef %24, i64 noundef %25, ptr noundef %3, i64 noundef %4)
  %27 = icmp eq i32 %26, 1
  br i1 %27, label %.loopexit, label %9

.loopexit:                                        ; preds = %23, %13, %16, %20
  %.0 = phi i32 [ -1, %20 ], [ %10, %16 ], [ %10, %13 ], [ 1, %23 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #3
  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 = { 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}


; Effective O3 passes: GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass