; LLVM IR from guanzhi/GmSSL :: src (sm3_lms)

; 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.14 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [61 x i8], align 1
@__FUNCTION__.sm3_lms_type_to_height = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @sm3_lms_type_to_height(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  %6 = load i32, ptr %4, align 4, !tbaa !5
  switch i32 %6, label %17 [
    i32 5, label %7
    i32 6, label %9
    i32 7, label %11
    i32 8, label %13
    i32 9, label %15
  ]

7:                                                ; preds = %2
  %8 = load ptr, ptr %5, align 8, !tbaa !9
  store i32 5, ptr %8, align 4, !tbaa !5
  br label %22

9:                                                ; preds = %2
  %10 = load ptr, ptr %5, align 8, !tbaa !9
  store i32 10, ptr %10, align 4, !tbaa !5
  br label %22

11:                                               ; preds = %2
  %12 = load ptr, ptr %5, align 8, !tbaa !9
  store i32 15, ptr %12, align 4, !tbaa !5
  br label %22

13:                                               ; preds = %2
  %14 = load ptr, ptr %5, align 8, !tbaa !9
  store i32 20, ptr %14, align 4, !tbaa !5
  br label %22

15:                                               ; preds = %2
  %16 = load ptr, ptr %5, align 8, !tbaa !9
  store i32 25, ptr %16, align 4, !tbaa !5
  br label %22

17:                                               ; preds = %2
  br label %18

18:                                               ; preds = %17
  %19 = load ptr, ptr @stderr, align 8, !tbaa !9
  %20 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %19, ptr noundef @.str.14, ptr noundef @.str.15, i32 noundef 133, ptr noundef @__FUNCTION__.sm3_lms_type_to_height) #2
  br label %21

21:                                               ; preds = %18
  store i32 -1, ptr %3, align 4
  br label %23

22:                                               ; preds = %15, %13, %11, %9, %7
  store i32 1, ptr %3, align 4
  br label %23

23:                                               ; preds = %22, %21
  %24 = load i32, ptr %3, align 4
  ret i32 %24
}

; 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 = !{!"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}


; 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.14 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [61 x i8], align 1
@__FUNCTION__.sm3_lms_type_to_height = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local range(i32 -1, 2) i32 @sm3_lms_type_to_height(i32 noundef %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  switch i32 %0, label %8 [
    i32 5, label %3
    i32 6, label %4
    i32 7, label %5
    i32 8, label %6
    i32 9, label %7
  ]

3:                                                ; preds = %2
  store i32 5, ptr %1, align 4, !tbaa !5
  br label %11

4:                                                ; preds = %2
  store i32 10, ptr %1, align 4, !tbaa !5
  br label %11

5:                                                ; preds = %2
  store i32 15, ptr %1, align 4, !tbaa !5
  br label %11

6:                                                ; preds = %2
  store i32 20, ptr %1, align 4, !tbaa !5
  br label %11

7:                                                ; preds = %2
  store i32 25, ptr %1, align 4, !tbaa !5
  br label %11

8:                                                ; preds = %2
  %9 = load ptr, ptr @stderr, align 8, !tbaa !9
  %10 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %9, ptr noundef nonnull @.str.14, ptr noundef nonnull @.str.15, i32 noundef 133, ptr noundef nonnull @__FUNCTION__.sm3_lms_type_to_height) #2
  br label %11

11:                                               ; preds = %3, %4, %5, %6, %7, %8
  %.0 = phi i32 [ -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