; 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"

%struct.SM2_KEY = type { %struct.SM2_Z256_POINT, [4 x i64] }
%struct.SM2_Z256_POINT = type { [4 x i64], [4 x i64], [4 x i64] }

@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_signed_verify_by_ca_cert = 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_signed_verify(ptr noundef, i64 noundef, ptr noundef, ptr noundef, i64 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_signed_verify_by_ca_cert(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3, ptr noundef %4, i64 noundef %5) #2 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i64, align 8
  %14 = alloca i32, align 4
  %15 = alloca %struct.SM2_KEY, align 8
  %16 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store i64 %1, ptr %9, align 8, !tbaa !9
  store ptr %2, ptr %10, align 8, !tbaa !5
  store i64 %3, ptr %11, align 8, !tbaa !9
  store ptr %4, ptr %12, align 8, !tbaa !5
  store i64 %5, ptr %13, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #3
  call void @llvm.lifetime.start.p0(i64 128, ptr %15) #3
  %17 = load ptr, ptr %10, align 8, !tbaa !5
  %18 = load i64, ptr %11, align 8, !tbaa !9
  %19 = call i32 @x509_cert_get_subject_public_key(ptr noundef %17, i64 noundef %18, ptr noundef %15)
  %20 = icmp ne i32 %19, 1
  br i1 %20, label %28, label %21

21:                                               ; preds = %6
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  %23 = load i64, ptr %9, align 8, !tbaa !9
  %24 = load ptr, ptr %12, align 8, !tbaa !5
  %25 = load i64, ptr %13, align 8, !tbaa !9
  %26 = call i32 @x509_signed_verify(ptr noundef %22, i64 noundef %23, ptr noundef %15, ptr noundef %24, i64 noundef %25)
  store i32 %26, ptr %14, align 4, !tbaa !11
  %27 = icmp slt i32 %26, 0
  br i1 %27, label %28, label %34

28:                                               ; preds = %21, %6
  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 1236, ptr noundef @__FUNCTION__.x509_signed_verify_by_ca_cert) #3
  br label %32

32:                                               ; preds = %29
  br label %33

33:                                               ; preds = %32
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %45

34:                                               ; preds = %21
  %35 = load i32, ptr %14, align 4, !tbaa !11
  %36 = icmp ne i32 %35, 0
  br i1 %36, label %43, label %37

37:                                               ; preds = %34
  br label %38

38:                                               ; preds = %37
  %39 = load ptr, ptr @stderr, align 8, !tbaa !5
  %40 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %39, ptr noundef @.str.3, ptr noundef @.str.4, i32 noundef 1239, ptr noundef @__FUNCTION__.x509_signed_verify_by_ca_cert) #3
  br label %41

41:                                               ; preds = %38
  br label %42

42:                                               ; preds = %41
  br label %43

43:                                               ; preds = %42, %34
  %44 = load i32, ptr %14, align 4, !tbaa !11
  store i32 %44, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %45

45:                                               ; preds = %43, %33
  call void @llvm.lifetime.end.p0(i64 128, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  %46 = load i32, ptr %7, align 4
  ret i32 %46
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_cert_get_subject_public_key(ptr noundef, i64 noundef, ptr noundef) #2

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"

%struct.SM2_KEY = type { %struct.SM2_Z256_POINT, [4 x i64] }
%struct.SM2_Z256_POINT = type { [4 x i64], [4 x i64], [4 x i64] }

@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_signed_verify_by_ca_cert = 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_signed_verify(ptr noundef, i64 noundef, ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, -2147483648) i32 @x509_signed_verify_by_ca_cert(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3, ptr noundef %4, i64 noundef %5) local_unnamed_addr #2 {
  %7 = alloca %struct.SM2_KEY, align 8
  call void @llvm.lifetime.start.p0(i64 128, ptr nonnull %7) #3
  %8 = call i32 @x509_cert_get_subject_public_key(ptr noundef %2, i64 noundef %3, ptr noundef nonnull %7)
  %.not = icmp eq i32 %8, 1
  br i1 %.not, label %9, label %.sink.split

9:                                                ; preds = %6
  %10 = call i32 @x509_signed_verify(ptr noundef %0, i64 noundef %1, ptr noundef nonnull %7, ptr noundef %4, i64 noundef %5)
  %11 = icmp slt i32 %10, 0
  br i1 %11, label %.sink.split, label %12

12:                                               ; preds = %9
  %.not9 = icmp eq i32 %10, 0
  br i1 %.not9, label %.sink.split, label %15

.sink.split:                                      ; preds = %12, %9, %6
  %.sink10 = phi i32 [ 1236, %6 ], [ 1236, %9 ], [ 1239, %12 ]
  %.0.ph = phi i32 [ -1, %6 ], [ -1, %9 ], [ 0, %12 ]
  %13 = load ptr, ptr @stderr, align 8, !tbaa !5
  %14 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %13, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.4, i32 noundef %.sink10, ptr noundef nonnull @__FUNCTION__.x509_signed_verify_by_ca_cert) #4
  br label %15

15:                                               ; preds = %.sink.split, %12
  %.0 = phi i32 [ %10, %12 ], [ %.0.ph, %.sink.split ]
  call void @llvm.lifetime.end.p0(i64 128, ptr nonnull %7) #3
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_cert_get_subject_public_key(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #2

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"}


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