; LLVM IR from guanzhi/GmSSL :: src (sm2_z256)

; 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__.sm2_z256_point_equ_hex = external hidden unnamed_addr constant [23 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 @hex_to_bytes(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm2_z256_point_to_bytes(ptr noundef, ptr noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @sm2_z256_point_equ_hex(ptr noundef %0, ptr noundef %1) #3 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca [64 x i8], align 16
  %7 = alloca [64 x i8], align 16
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 64, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 64, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds [64 x i8], ptr %6, i64 0, i64 0
  %12 = call i32 @sm2_z256_point_to_bytes(ptr noundef %10, ptr noundef %11)
  %13 = icmp slt i32 %12, 0
  br i1 %13, label %14, label %20

14:                                               ; preds = %2
  br label %15

15:                                               ; preds = %14
  %16 = load ptr, ptr @stderr, align 8, !tbaa !5
  %17 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %16, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1746, ptr noundef @__FUNCTION__.sm2_z256_point_equ_hex) #5
  br label %18

18:                                               ; preds = %15
  br label %19

19:                                               ; preds = %18
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %30

20:                                               ; preds = %2
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds [64 x i8], ptr %7, i64 0, i64 0
  %23 = call i32 @hex_to_bytes(ptr noundef %21, i64 noundef 128, ptr noundef %22, ptr noundef %8)
  %24 = getelementptr inbounds [64 x i8], ptr %6, i64 0, i64 0
  %25 = getelementptr inbounds [64 x i8], ptr %7, i64 0, i64 0
  %26 = call i32 @memcmp(ptr noundef %24, ptr noundef %25, i64 noundef 64) #6
  %27 = icmp ne i32 %26, 0
  br i1 %27, label %28, label %29

28:                                               ; preds = %20
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %30

29:                                               ; preds = %20
  store i32 1, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %30

30:                                               ; preds = %29, %28, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 64, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 64, ptr %6) #5
  %31 = load i32, ptr %3, align 4
  ret i32 %31
}

; Function Attrs: nounwind willreturn memory(read)
declare i32 @memcmp(ptr noundef, ptr noundef, i64 noundef) #4

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 willreturn memory(read) "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 #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(read) }

!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"}


; 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__.sm2_z256_point_equ_hex = external hidden unnamed_addr constant [23 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 @hex_to_bytes(ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm2_z256_point_to_bytes(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @sm2_z256_point_equ_hex(ptr noundef %0, ptr noundef %1) local_unnamed_addr #3 {
  %3 = alloca [64 x i8], align 16
  %4 = alloca [64 x i8], align 16
  %5 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %6 = call i32 @sm2_z256_point_to_bytes(ptr noundef %0, ptr noundef nonnull %3)
  %7 = icmp slt i32 %6, 0
  br i1 %7, label %8, label %11

8:                                                ; preds = %2
  %9 = load ptr, ptr @stderr, align 8, !tbaa !5
  %10 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %9, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 1746, ptr noundef nonnull @__FUNCTION__.sm2_z256_point_equ_hex) #6
  br label %13

11:                                               ; preds = %2
  %12 = call i32 @hex_to_bytes(ptr noundef %1, i64 noundef 128, ptr noundef nonnull %4, ptr noundef nonnull %5) #5
  %bcmp = call i32 @bcmp(ptr noundef nonnull dereferenceable(64) %3, ptr noundef nonnull dereferenceable(64) %4, i64 64)
  %.not = icmp eq i32 %bcmp, 0
  %. = zext i1 %.not to i32
  br label %13

13:                                               ; preds = %11, %8
  %.0 = phi i32 [ 0, %8 ], [ %., %11 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %3) #5
  ret i32 %.0
}

; Function Attrs: nofree nounwind willreturn memory(argmem: read)
declare i32 @bcmp(ptr nocapture, ptr nocapture, i64) local_unnamed_addr #4

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 = { nofree nounwind willreturn memory(argmem: read) }
attributes #5 = { nounwind }
attributes #6 = { 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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass