; LLVM IR from guanzhi/GmSSL :: src (sm3_xmss)

; 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__.sm3_xmss_height_from_oid = external hidden unnamed_addr constant [25 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @sm3_xmss_height_from_oid(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %6 = load i32, ptr %5, align 4, !tbaa !9
  switch i32 %6, label %19 [
    i32 268435457, label %7
    i32 268435458, label %9
    i32 268435459, label %11
    i32 1, label %13
    i32 2, label %15
    i32 3, label %17
  ]

7:                                                ; preds = %2
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 10, ptr %8, align 4, !tbaa !9
  br label %24

9:                                                ; preds = %2
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 16, ptr %10, align 4, !tbaa !9
  br label %24

11:                                               ; preds = %2
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 20, ptr %12, align 4, !tbaa !9
  br label %24

13:                                               ; preds = %2
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 10, ptr %14, align 4, !tbaa !9
  br label %24

15:                                               ; preds = %2
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 16, ptr %16, align 4, !tbaa !9
  br label %24

17:                                               ; preds = %2
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 20, ptr %18, align 4, !tbaa !9
  br label %24

19:                                               ; preds = %2
  br label %20

20:                                               ; preds = %19
  %21 = load ptr, ptr @stderr, align 8, !tbaa !5
  %22 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %21, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 488, ptr noundef @__FUNCTION__.sm3_xmss_height_from_oid) #2
  br label %23

23:                                               ; preds = %20
  store i32 -1, ptr %3, align 4
  br label %25

24:                                               ; preds = %17, %15, %13, %11, %9, %7
  store i32 1, ptr %3, align 4
  br label %25

25:                                               ; preds = %24, %23
  %26 = load i32, ptr %3, align 4
  ret i32 %26
}

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

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 = { 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 }

!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}


; 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__.sm3_xmss_height_from_oid = external hidden unnamed_addr constant [25 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local range(i32 -1, 2) i32 @sm3_xmss_height_from_oid(ptr nocapture noundef writeonly %0, i32 noundef %1) local_unnamed_addr #0 {
  switch i32 %1, label %9 [
    i32 268435457, label %3
    i32 268435458, label %4
    i32 268435459, label %5
    i32 1, label %6
    i32 2, label %7
    i32 3, label %8
  ]

3:                                                ; preds = %2
  store i32 10, ptr %0, align 4, !tbaa !5
  br label %12

4:                                                ; preds = %2
  store i32 16, ptr %0, align 4, !tbaa !5
  br label %12

5:                                                ; preds = %2
  store i32 20, ptr %0, align 4, !tbaa !5
  br label %12

6:                                                ; preds = %2
  store i32 10, ptr %0, align 4, !tbaa !5
  br label %12

7:                                                ; preds = %2
  store i32 16, ptr %0, align 4, !tbaa !5
  br label %12

8:                                                ; preds = %2
  store i32 20, ptr %0, align 4, !tbaa !5
  br label %12

9:                                                ; preds = %2
  %10 = load ptr, ptr @stderr, align 8, !tbaa !9
  %11 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %10, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 488, ptr noundef nonnull @__FUNCTION__.sm3_xmss_height_from_oid) #2
  br label %12

12:                                               ; preds = %3, %4, %5, %6, %7, %8, %9
  %.0 = phi i32 [ -1, %9 ], [ 1, %8 ], [ 1, %7 ], [ 1, %6 ], [ 1, %5 ], [ 1, %4 ], [ 1, %3 ]
  ret i32 %.0
}

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

attributes #0 = { nofree 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 = { 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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


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