; LLVM IR from Softmotions/iowow :: src/utils (iwarr)

; 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.iwlist = type { ptr, i64, i64, i64 }
%struct.iwlistitem = type { ptr, i64 }

; 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: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memmove.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @iwlist_remove(ptr noundef %0, i64 noundef %1, ptr noundef %2, ptr noundef %3) #2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i64 %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  %11 = load ptr, ptr %9, align 8, !tbaa !5
  store i64 0, ptr %11, align 8, !tbaa !9
  %12 = load i64, ptr %7, align 8, !tbaa !9
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.iwlist, ptr %13, i32 0, i32 3
  %15 = load i64, ptr %14, align 8, !tbaa !11
  %16 = icmp uge i64 %12, %15
  br i1 %16, label %17, label %19

17:                                               ; preds = %4
  %18 = load ptr, ptr %9, align 8, !tbaa !5
  store i64 70011, ptr %18, align 8, !tbaa !9
  store ptr null, ptr %5, align 8
  br label %66

19:                                               ; preds = %4
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.iwlist, ptr %20, i32 0, i32 2
  %22 = load i64, ptr %21, align 8, !tbaa !13
  %23 = load i64, ptr %7, align 8, !tbaa !9
  %24 = add i64 %23, %22
  store i64 %24, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.iwlist, ptr %25, i32 0, i32 0
  %27 = load ptr, ptr %26, align 8, !tbaa !14
  %28 = load i64, ptr %7, align 8, !tbaa !9
  %29 = getelementptr inbounds %struct.iwlistitem, ptr %27, i64 %28
  %30 = getelementptr inbounds %struct.iwlistitem, ptr %29, i32 0, i32 0
  %31 = load ptr, ptr %30, align 8, !tbaa !15
  store ptr %31, ptr %10, align 8, !tbaa !5
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.iwlist, ptr %32, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8, !tbaa !14
  %35 = load i64, ptr %7, align 8, !tbaa !9
  %36 = getelementptr inbounds %struct.iwlistitem, ptr %34, i64 %35
  %37 = getelementptr inbounds %struct.iwlistitem, ptr %36, i32 0, i32 1
  %38 = load i64, ptr %37, align 8, !tbaa !17
  %39 = load ptr, ptr %8, align 8, !tbaa !5
  store i64 %38, ptr %39, align 8, !tbaa !9
  %40 = load ptr, ptr %6, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.iwlist, ptr %40, i32 0, i32 3
  %42 = load i64, ptr %41, align 8, !tbaa !11
  %43 = add i64 %42, -1
  store i64 %43, ptr %41, align 8, !tbaa !11
  %44 = load ptr, ptr %6, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.iwlist, ptr %44, i32 0, i32 0
  %46 = load ptr, ptr %45, align 8, !tbaa !14
  %47 = load i64, ptr %7, align 8, !tbaa !9
  %48 = getelementptr inbounds %struct.iwlistitem, ptr %46, i64 %47
  %49 = load ptr, ptr %6, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.iwlist, ptr %49, i32 0, i32 0
  %51 = load ptr, ptr %50, align 8, !tbaa !14
  %52 = load i64, ptr %7, align 8, !tbaa !9
  %53 = getelementptr inbounds %struct.iwlistitem, ptr %51, i64 %52
  %54 = getelementptr inbounds %struct.iwlistitem, ptr %53, i64 1
  %55 = load ptr, ptr %6, align 8, !tbaa !5
  %56 = getelementptr inbounds %struct.iwlist, ptr %55, i32 0, i32 2
  %57 = load i64, ptr %56, align 8, !tbaa !13
  %58 = load ptr, ptr %6, align 8, !tbaa !5
  %59 = getelementptr inbounds %struct.iwlist, ptr %58, i32 0, i32 3
  %60 = load i64, ptr %59, align 8, !tbaa !11
  %61 = add i64 %57, %60
  %62 = load i64, ptr %7, align 8, !tbaa !9
  %63 = sub i64 %61, %62
  %64 = mul i64 16, %63
  call void @llvm.memmove.p0.p0.i64(ptr align 8 %48, ptr align 8 %54, i64 %64, i1 false)
  %65 = load ptr, ptr %10, align 8, !tbaa !5
  store ptr %65, ptr %5, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  br label %66

66:                                               ; preds = %19, %17
  %67 = load ptr, ptr %5, align 8
  ret ptr %67
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 24}
!12 = !{!"iwlist", !6, i64 0, !10, i64 8, !10, i64 16, !10, i64 24}
!13 = !{!12, !10, i64 16}
!14 = !{!12, !6, i64 0}
!15 = !{!16, !6, i64 0}
!16 = !{!"iwlistitem", !6, i64 0, !10, i64 8}
!17 = !{!16, !10, i64 8}


; 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"

%struct.iwlistitem = type { ptr, i64 }

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memmove.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: none) uwtable
define dso_local ptr @iwlist_remove(ptr nocapture noundef %0, i64 noundef %1, ptr nocapture noundef writeonly %2, ptr nocapture noundef writeonly %3) local_unnamed_addr #1 {
  store i64 0, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 24
  %6 = load i64, ptr %5, align 8, !tbaa !9
  %.not = icmp ugt i64 %6, %1
  br i1 %.not, label %8, label %7

7:                                                ; preds = %4
  store i64 70011, ptr %3, align 8, !tbaa !5
  br label %24

8:                                                ; preds = %4
  %9 = getelementptr inbounds i8, ptr %0, i64 16
  %10 = load i64, ptr %9, align 8, !tbaa !12
  %11 = add i64 %10, %1
  %12 = load ptr, ptr %0, align 8, !tbaa !13
  %13 = getelementptr inbounds %struct.iwlistitem, ptr %12, i64 %11
  %14 = load ptr, ptr %13, align 8, !tbaa !14
  %15 = getelementptr inbounds i8, ptr %13, i64 8
  %16 = load i64, ptr %15, align 8, !tbaa !16
  store i64 %16, ptr %2, align 8, !tbaa !5
  %17 = load i64, ptr %5, align 8, !tbaa !9
  %18 = add i64 %17, -1
  store i64 %18, ptr %5, align 8, !tbaa !9
  %19 = getelementptr inbounds i8, ptr %13, i64 16
  %20 = load i64, ptr %9, align 8, !tbaa !12
  %21 = sub i64 %18, %11
  %22 = add i64 %21, %20
  %23 = shl i64 %22, 4
  tail call void @llvm.memmove.p0.p0.i64(ptr nonnull align 8 %13, ptr nonnull align 8 %19, i64 %23, i1 false)
  br label %24

24:                                               ; preds = %8, %7
  %.0 = phi ptr [ null, %7 ], [ %14, %8 ]
  ret ptr %.0
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: none) 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" }

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 24}
!10 = !{!"iwlist", !11, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!10, !6, i64 16}
!13 = !{!10, !11, i64 0}
!14 = !{!15, !11, i64 0}
!15 = !{!"iwlistitem", !11, i64 0, !6, i64 8}
!16 = !{!15, !6, i64 8}


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