; LLVM IR from QiaoLiuHit/LSOTB-TIR :: vlfeat-0.9.19/vl (ikmeans)

; 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._VlIKMFilt = type { i64, i64, i64, i32, i32, ptr, ptr }

; Function Attrs: noreturn nounwind
declare void @abort() #0

; Function Attrs: nounwind uwtable
define dso_local void @vl_ikm_push(ptr noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store i64 %3, ptr %8, align 8, !tbaa !9
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct._VlIKMFilt, ptr %9, i32 0, i32 3
  %11 = load i32, ptr %10, align 8, !tbaa !11
  switch i32 %11, label %22 [
    i32 0, label %12
    i32 1, label %17
  ]

12:                                               ; preds = %4
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  %16 = load i64, ptr %8, align 8, !tbaa !9
  call void @vl_ikm_push_lloyd(ptr noundef %13, ptr noundef %14, ptr noundef %15, i64 noundef %16)
  br label %23

17:                                               ; preds = %4
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  %21 = load i64, ptr %8, align 8, !tbaa !9
  call void @vl_ikm_push_elkan(ptr noundef %18, ptr noundef %19, ptr noundef %20, i64 noundef %21)
  br label %23

22:                                               ; preds = %4
  call void @abort() #2
  unreachable

23:                                               ; preds = %17, %12
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @vl_ikm_push_lloyd(ptr noundef, ptr noundef, ptr noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @vl_ikm_push_elkan(ptr noundef, ptr noundef, ptr noundef, i64 noundef) #1

attributes #0 = { noreturn 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 = { noreturn 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 = !{!"long long", !7, i64 0}
!11 = !{!12, !13, i64 24}
!12 = !{!"_VlIKMFilt", !10, i64 0, !10, i64 8, !10, i64 16, !13, i64 24, !13, i64 28, !6, i64 32, !6, i64 40}
!13 = !{!"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"

; Function Attrs: noreturn nounwind
declare void @abort() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @vl_ikm_push(ptr noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3) local_unnamed_addr #1 {
  %5 = getelementptr inbounds i8, ptr %0, i64 24
  %6 = load i32, ptr %5, align 8, !tbaa !5
  switch i32 %6, label %9 [
    i32 0, label %7
    i32 1, label %8
  ]

7:                                                ; preds = %4
  tail call void @vl_ikm_push_lloyd(ptr noundef nonnull %0, ptr noundef %1, ptr noundef %2, i64 noundef %3)
  br label %10

8:                                                ; preds = %4
  tail call void @vl_ikm_push_elkan(ptr noundef nonnull %0, ptr noundef %1, ptr noundef %2, i64 noundef %3)
  br label %10

9:                                                ; preds = %4
  tail call void @abort() #2
  unreachable

10:                                               ; preds = %8, %7
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @vl_ikm_push_lloyd(ptr noundef, ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @vl_ikm_push_elkan(ptr noundef, ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #1

attributes #0 = { noreturn 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 = { noreturn 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, !10, i64 24}
!6 = !{!"_VlIKMFilt", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24, !10, i64 28, !11, i64 32, !11, i64 40}
!7 = !{!"long long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InstCombinePass,SROAPass,TailCallElimPass