; LLVM IR from intel/qpl :: sources/core-sw/src/filtering (qplc_pack_idx)

; 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"

@qplc_pack_bits_array = external hidden constant [70 x ptr], align 16

; Function Attrs: nounwind uwtable
define dso_local i32 @px_qplc_pack_bits_nu(ptr noundef %0, i32 noundef %1, ptr noundef %2, i32 noundef %3, ptr noundef %4) #0 {
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !5
  store i32 %3, ptr %9, align 4, !tbaa !9
  store ptr %4, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  %13 = load i32, ptr %9, align 4, !tbaa !9
  %14 = icmp ne i32 0, %13
  br i1 %14, label %15, label %19

15:                                               ; preds = %5
  %16 = load ptr, ptr %8, align 8, !tbaa !5
  %17 = load ptr, ptr %16, align 8, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %17, i64 -1
  br label %22

19:                                               ; preds = %5
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  %21 = load ptr, ptr %20, align 8, !tbaa !5
  br label %22

22:                                               ; preds = %19, %15
  %23 = phi ptr [ %18, %15 ], [ %21, %19 ]
  store ptr %23, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = call i32 @own_get_bit_width_from_index(i32 noundef %25)
  store i32 %26, ptr %12, align 4, !tbaa !9
  %27 = load ptr, ptr %10, align 8, !tbaa !5
  %28 = load i32, ptr %27, align 4, !tbaa !9
  %29 = zext i32 %28 to i64
  %30 = getelementptr inbounds [70 x ptr], ptr @qplc_pack_bits_array, i64 0, i64 %29
  %31 = load ptr, ptr %30, align 8, !tbaa !5
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = load i32, ptr %7, align 4, !tbaa !9
  %34 = load ptr, ptr %11, align 8, !tbaa !5
  %35 = load i32, ptr %9, align 4, !tbaa !9
  call void %31(ptr noundef %32, i32 noundef %33, ptr noundef %34, i32 noundef %35)
  %36 = load i32, ptr %7, align 4, !tbaa !9
  %37 = load i32, ptr %12, align 4, !tbaa !9
  %38 = mul i32 %36, %37
  %39 = load i32, ptr %9, align 4, !tbaa !9
  %40 = sub i32 8, %39
  %41 = and i32 %40, 7
  %42 = sub i32 %38, %41
  %43 = add i32 %42, 7
  %44 = lshr i32 %43, 3
  %45 = load ptr, ptr %8, align 8, !tbaa !5
  %46 = load ptr, ptr %45, align 8, !tbaa !5
  %47 = zext i32 %44 to i64
  %48 = getelementptr inbounds i8, ptr %46, i64 %47
  store ptr %48, ptr %45, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @own_get_bit_width_from_index(i32 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { inlinehint 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, !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"

@qplc_pack_bits_array = external hidden local_unnamed_addr constant [70 x ptr], align 16

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @px_qplc_pack_bits_nu(ptr noundef %0, i32 noundef %1, ptr nocapture noundef %2, i32 noundef %3, ptr nocapture noundef readonly %4) local_unnamed_addr #0 {
  %.not = icmp ne i32 %3, 0
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %.idx = sext i1 %.not to i64
  %7 = getelementptr inbounds i8, ptr %6, i64 %.idx
  %8 = load i32, ptr %4, align 4, !tbaa !9
  %9 = tail call i32 @own_get_bit_width_from_index(i32 noundef %8)
  %10 = load i32, ptr %4, align 4, !tbaa !9
  %11 = zext i32 %10 to i64
  %12 = getelementptr inbounds [70 x ptr], ptr @qplc_pack_bits_array, i64 0, i64 %11
  %13 = load ptr, ptr %12, align 8, !tbaa !5
  tail call void %13(ptr noundef %0, i32 noundef %1, ptr noundef %7, i32 noundef %3) #2
  %14 = mul i32 %9, %1
  %15 = sub i32 0, %3
  %16 = and i32 %15, 7
  %17 = xor i32 %16, 7
  %18 = add i32 %17, %14
  %19 = lshr i32 %18, 3
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = zext nneg i32 %19 to i64
  %22 = getelementptr inbounds i8, ptr %20, i64 %21
  store ptr %22, ptr %2, align 8, !tbaa !5
  ret i32 0
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @own_get_bit_width_from_index(i32 noundef) local_unnamed_addr #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 = { inlinehint 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 = { 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}


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