; LLVM IR from guanzhi/GmSSL :: src (sm9_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"

%struct.SM9_Z256_TWIST_POINT = type { [2 x [4 x i64]], [2 x [4 x i64]], [2 x [4 x i64]] }

; Function Attrs: nounwind uwtable
declare dso_local void @sm9_z256_to_bits(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: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nounwind uwtable
declare dso_local void @sm9_z256_twist_point_set_infinity(ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @sm9_z256_twist_point_dbl(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @sm9_z256_twist_point_add_full(ptr noundef, ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local void @sm9_z256_twist_point_mul(ptr noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %struct.SM9_Z256_TWIST_POINT, align 8
  %8 = alloca ptr, align 8
  %9 = alloca [256 x i8], align 16
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 192, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  store ptr %7, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 256, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = getelementptr inbounds [256 x i8], ptr %9, i64 0, i64 0
  call void @sm9_z256_to_bits(ptr noundef %11, ptr noundef %12)
  %13 = load ptr, ptr %8, align 8, !tbaa !5
  call void @sm9_z256_twist_point_set_infinity(ptr noundef %13)
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %14

14:                                               ; preds = %31, %3
  %15 = load i32, ptr %10, align 4, !tbaa !9
  %16 = icmp slt i32 %15, 256
  br i1 %16, label %17, label %34

17:                                               ; preds = %14
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  call void @sm9_z256_twist_point_dbl(ptr noundef %18, ptr noundef %19)
  %20 = load i32, ptr %10, align 4, !tbaa !9
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [256 x i8], ptr %9, i64 0, i64 %21
  %23 = load i8, ptr %22, align 1, !tbaa !11
  %24 = sext i8 %23 to i32
  %25 = icmp eq i32 %24, 49
  br i1 %25, label %26, label %30

26:                                               ; preds = %17
  %27 = load ptr, ptr %8, align 8, !tbaa !5
  %28 = load ptr, ptr %8, align 8, !tbaa !5
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  call void @sm9_z256_twist_point_add_full(ptr noundef %27, ptr noundef %28, ptr noundef %29)
  br label %30

30:                                               ; preds = %26, %17
  br label %31

31:                                               ; preds = %30
  %32 = load i32, ptr %10, align 4, !tbaa !9
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %10, align 4, !tbaa !9
  br label %14, !llvm.loop !12

34:                                               ; preds = %14
  %35 = load ptr, ptr %4, align 8, !tbaa !5
  %36 = load ptr, ptr %8, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %35, ptr align 8 %36, i64 192, i1 false), !tbaa.struct !14
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 256, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 192, ptr %7) #3
  ret void
}

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{i64 0, i64 64, !11, i64 64, i64 64, !11, i64 128, i64 64, !11}


; 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.SM9_Z256_TWIST_POINT = type { [2 x [4 x i64]], [2 x [4 x i64]], [2 x [4 x i64]] }

; Function Attrs: nounwind uwtable
declare dso_local void @sm9_z256_to_bits(ptr noundef, ptr noundef) 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: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nounwind uwtable
declare dso_local void @sm9_z256_twist_point_set_infinity(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @sm9_z256_twist_point_dbl(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @sm9_z256_twist_point_add_full(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @sm9_z256_twist_point_mul(ptr nocapture noundef writeonly %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = alloca %struct.SM9_Z256_TWIST_POINT, align 8
  %5 = alloca [256 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 192, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 256, ptr nonnull %5) #3
  call void @sm9_z256_to_bits(ptr noundef %1, ptr noundef nonnull %5)
  call void @sm9_z256_twist_point_set_infinity(ptr noundef nonnull %4)
  br label %6

6:                                                ; preds = %3, %11
  %indvars.iv = phi i64 [ 0, %3 ], [ %indvars.iv.next, %11 ]
  call void @sm9_z256_twist_point_dbl(ptr noundef nonnull %4, ptr noundef nonnull %4)
  %7 = getelementptr inbounds [256 x i8], ptr %5, i64 0, i64 %indvars.iv
  %8 = load i8, ptr %7, align 1, !tbaa !5
  %9 = icmp eq i8 %8, 49
  br i1 %9, label %10, label %11

10:                                               ; preds = %6
  call void @sm9_z256_twist_point_add_full(ptr noundef nonnull %4, ptr noundef nonnull %4, ptr noundef %2)
  br label %11

11:                                               ; preds = %6, %10
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 256
  br i1 %exitcond.not, label %12, label %6, !llvm.loop !8

12:                                               ; preds = %11
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(192) %0, ptr noundef nonnull align 8 dereferenceable(192) %4, i64 192, i1 false), !tbaa.struct !10
  call void @llvm.lifetime.end.p0(i64 256, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 192, ptr nonnull %4) #3
  ret void
}

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = !{i64 0, i64 64, !5, i64 64, i64 64, !5, i64 128, i64 64, !5}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass