; LLVM IR from guanzhi/GmSSL :: src (sm2_enc)

; 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_CIPHERTEXT = type { %struct.SM2_POINT, [32 x i8], i8, [255 x i8] }
%struct.SM2_POINT = type { [32 x i8], [32 x i8] }
%struct.SM2_ENC_CTX = type { [8 x %struct.SM2_ENC_PRE_COMP], i64, [255 x i8], i64 }
%struct.SM2_ENC_PRE_COMP = type { [4 x i64], %struct.SM2_POINT }

@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [61 x i8], align 1
@__FUNCTION__.sm2_encrypt_finish = external hidden unnamed_addr constant [19 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm2_encrypt(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @sm2_encrypt_finish(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #2 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca %struct.SM2_CIPHERTEXT, align 1
  %11 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 352, ptr %10) #3
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %14, label %20

14:                                               ; preds = %4
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  %16 = icmp ne ptr %15, null
  br i1 %16, label %17, label %20

17:                                               ; preds = %14
  %18 = load ptr, ptr %9, align 8, !tbaa !5
  %19 = icmp ne ptr %18, null
  br i1 %19, label %26, label %20

20:                                               ; preds = %17, %14, %4
  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 576, ptr noundef @__FUNCTION__.sm2_encrypt_finish) #3
  br label %24

24:                                               ; preds = %21
  br label %25

25:                                               ; preds = %24
  store i32 -1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %72

26:                                               ; preds = %17
  %27 = load ptr, ptr %6, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.SM2_ENC_CTX, ptr %27, i32 0, i32 3
  %29 = load i64, ptr %28, align 8, !tbaa !9
  %30 = icmp ugt i64 %29, 255
  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 581, ptr noundef @__FUNCTION__.sm2_encrypt_finish) #3
  br label %35

35:                                               ; preds = %32
  br label %36

36:                                               ; preds = %35
  store i32 -1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %72

37:                                               ; preds = %26
  %38 = load ptr, ptr %6, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.SM2_ENC_CTX, ptr %38, i32 0, i32 3
  %40 = load i64, ptr %39, align 8, !tbaa !9
  %41 = icmp eq i64 %40, 0
  br i1 %41, label %42, label %48

42:                                               ; preds = %37
  br label %43

43:                                               ; preds = %42
  %44 = load ptr, ptr @stderr, align 8, !tbaa !5
  %45 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %44, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 585, ptr noundef @__FUNCTION__.sm2_encrypt_finish) #3
  br label %46

46:                                               ; preds = %43
  br label %47

47:                                               ; preds = %46
  store i32 -1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %72

48:                                               ; preds = %37
  %49 = load ptr, ptr %8, align 8, !tbaa !5
  %50 = icmp ne ptr %49, null
  br i1 %50, label %53, label %51

51:                                               ; preds = %48
  %52 = load ptr, ptr %9, align 8, !tbaa !5
  store i64 366, ptr %52, align 8, !tbaa !12
  store i32 1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %72

53:                                               ; preds = %48
  %54 = load ptr, ptr %7, align 8, !tbaa !5
  %55 = load ptr, ptr %6, align 8, !tbaa !5
  %56 = getelementptr inbounds %struct.SM2_ENC_CTX, ptr %55, i32 0, i32 2
  %57 = getelementptr inbounds [255 x i8], ptr %56, i64 0, i64 0
  %58 = load ptr, ptr %6, align 8, !tbaa !5
  %59 = getelementptr inbounds %struct.SM2_ENC_CTX, ptr %58, i32 0, i32 3
  %60 = load i64, ptr %59, align 8, !tbaa !9
  %61 = load ptr, ptr %8, align 8, !tbaa !5
  %62 = load ptr, ptr %9, align 8, !tbaa !5
  %63 = call i32 @sm2_encrypt(ptr noundef %54, ptr noundef %57, i64 noundef %60, ptr noundef %61, ptr noundef %62)
  %64 = icmp ne i32 %63, 1
  br i1 %64, label %65, label %71

65:                                               ; preds = %53
  br label %66

66:                                               ; preds = %65
  %67 = load ptr, ptr @stderr, align 8, !tbaa !5
  %68 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %67, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 616, ptr noundef @__FUNCTION__.sm2_encrypt_finish) #3
  br label %69

69:                                               ; preds = %66
  br label %70

70:                                               ; preds = %69
  store i32 -1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %72

71:                                               ; preds = %53
  store i32 1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %72

72:                                               ; preds = %71, %70, %51, %47, %36, %25
  call void @llvm.lifetime.end.p0(i64 352, ptr %10) #3
  %73 = load i32, ptr %5, align 4
  ret i32 %73
}

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, !11, i64 1032}
!10 = !{!"", !7, i64 0, !11, i64 768, !7, i64 776, !11, i64 1032}
!11 = !{!"long", !7, i64 0}
!12 = !{!11, !11, 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 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [61 x i8], align 1
@__FUNCTION__.sm2_encrypt_finish = external hidden unnamed_addr constant [19 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: nounwind uwtable
declare dso_local i32 @sm2_encrypt(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @sm2_encrypt_finish(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #1 {
  %5 = icmp ne ptr %0, null
  %6 = icmp ne ptr %1, null
  %or.cond = and i1 %5, %6
  %7 = icmp ne ptr %3, null
  %or.cond3 = and i1 %or.cond, %7
  br i1 %or.cond3, label %11, label %8

8:                                                ; preds = %4
  %9 = load ptr, ptr @stderr, align 8, !tbaa !5
  %10 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %9, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 576, ptr noundef nonnull @__FUNCTION__.sm2_encrypt_finish) #2
  br label %31

11:                                               ; preds = %4
  %12 = getelementptr inbounds i8, ptr %0, i64 1032
  %13 = load i64, ptr %12, align 8, !tbaa !9
  %14 = icmp ugt i64 %13, 255
  br i1 %14, label %15, label %18

15:                                               ; preds = %11
  %16 = load ptr, ptr @stderr, align 8, !tbaa !5
  %17 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %16, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 581, ptr noundef nonnull @__FUNCTION__.sm2_encrypt_finish) #2
  br label %31

18:                                               ; preds = %11
  %19 = icmp eq i64 %13, 0
  br i1 %19, label %20, label %23

20:                                               ; preds = %18
  %21 = load ptr, ptr @stderr, align 8, !tbaa !5
  %22 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %21, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 585, ptr noundef nonnull @__FUNCTION__.sm2_encrypt_finish) #2
  br label %31

23:                                               ; preds = %18
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %24, label %25

24:                                               ; preds = %23
  store i64 366, ptr %3, align 8, !tbaa !12
  br label %31

25:                                               ; preds = %23
  %26 = getelementptr inbounds i8, ptr %0, i64 776
  %27 = tail call i32 @sm2_encrypt(ptr noundef nonnull %1, ptr noundef nonnull %26, i64 noundef %13, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %.not20 = icmp eq i32 %27, 1
  br i1 %.not20, label %31, label %28

28:                                               ; preds = %25
  %29 = load ptr, ptr @stderr, align 8, !tbaa !5
  %30 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %29, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 616, ptr noundef nonnull @__FUNCTION__.sm2_encrypt_finish) #2
  br label %31

31:                                               ; preds = %25, %28, %24, %20, %15, %8
  %.0 = phi i32 [ -1, %15 ], [ -1, %20 ], [ -1, %28 ], [ 1, %24 ], [ -1, %8 ], [ 1, %25 ]
  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 = { 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 #2 = { 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, !11, i64 1032}
!10 = !{!"", !7, i64 0, !11, i64 768, !7, i64 776, !11, i64 1032}
!11 = !{!"long", !7, i64 0}
!12 = !{!11, !11, i64 0}


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