; LLVM IR from artvns/SimpleFvm :: simplefvm/src/MeshLoader/StaggeredMeshPart/CellsInteriorNumbering/AbstractCellsI_f5da7cd9 (ZN10meshloader30AbstractCellsInteriorNumbering11combineNumsEv)

; 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"

%"class.meshloader::AbstractCellsInteriorNumbering" = type { ptr, ptr, ptr, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10meshloader30AbstractCellsInteriorNumbering11combineNumsEv(ptr noundef nonnull align 8 dereferenceable(48) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %5 = alloca i8, align 1
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %8 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  store i64 0, ptr %3, align 8, !tbaa !9
  br label %9

9:                                                ; preds = %45, %1
  %10 = load i64, ptr %3, align 8, !tbaa !9
  %11 = getelementptr inbounds %"class.meshloader::AbstractCellsInteriorNumbering", ptr %8, i32 0, i32 2
  %12 = load ptr, ptr %11, align 8, !tbaa !11
  %13 = call noundef i64 @_ZN10meshloader8NumsSets13getSetsAmountEv(ptr noundef nonnull align 8 dereferenceable(80) %12)
  %14 = icmp ult i64 %10, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %9
  store i32 2, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %48

16:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #4
  %17 = getelementptr inbounds %"class.meshloader::AbstractCellsInteriorNumbering", ptr %8, i32 0, i32 2
  %18 = load ptr, ptr %17, align 8, !tbaa !11
  %19 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZN10meshloader8NumsSets15getPartNamesSetEv(ptr noundef nonnull align 8 dereferenceable(80) %18)
  %20 = load i64, ptr %3, align 8, !tbaa !9
  %21 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %20)
  %22 = load i8, ptr %21, align 1, !tbaa !17
  store i8 %22, ptr %5, align 1, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %23 = getelementptr inbounds %"class.meshloader::AbstractCellsInteriorNumbering", ptr %8, i32 0, i32 2
  %24 = load ptr, ptr %23, align 8, !tbaa !11
  %25 = load i8, ptr %5, align 1, !tbaa !17
  %26 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZN10meshloader8NumsSets10getNumsSetEc(ptr noundef nonnull align 8 dereferenceable(80) %24, i8 noundef signext %25)
  %27 = call noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %26) #4
  store i64 %27, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %28

28:                                               ; preds = %41, %16
  %29 = load i64, ptr %7, align 8, !tbaa !9
  %30 = load i64, ptr %6, align 8, !tbaa !9
  %31 = icmp ult i64 %29, %30
  br i1 %31, label %33, label %32

32:                                               ; preds = %28
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  br label %44

33:                                               ; preds = %28
  %34 = getelementptr inbounds %"class.meshloader::AbstractCellsInteriorNumbering", ptr %8, i32 0, i32 3
  %35 = getelementptr inbounds %"class.meshloader::AbstractCellsInteriorNumbering", ptr %8, i32 0, i32 2
  %36 = load ptr, ptr %35, align 8, !tbaa !11
  %37 = load i8, ptr %5, align 1, !tbaa !17
  %38 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZN10meshloader8NumsSets10getNumsSetEc(ptr noundef nonnull align 8 dereferenceable(80) %36, i8 noundef signext %37)
  %39 = load i64, ptr %7, align 8, !tbaa !9
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorImSaImEE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %38, i64 noundef %39)
  call void @_ZNSt6vectorImSaImEE9push_backERKm(ptr noundef nonnull align 8 dereferenceable(24) %34, ptr noundef nonnull align 8 dereferenceable(8) %40)
  br label %41

41:                                               ; preds = %33
  %42 = load i64, ptr %7, align 8, !tbaa !9
  %43 = add i64 %42, 1
  store i64 %43, ptr %7, align 8, !tbaa !9
  br label %28, !llvm.loop !18

44:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #4
  br label %45

45:                                               ; preds = %44
  %46 = load i64, ptr %3, align 8, !tbaa !9
  %47 = add i64 %46, 1
  store i64 %47, ptr %3, align 8, !tbaa !9
  br label %9, !llvm.loop !20

48:                                               ; preds = %15
  ret void
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorImSaImEE2atEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

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

declare noundef i64 @_ZN10meshloader8NumsSets13getSetsAmountEv(ptr noundef nonnull align 8 dereferenceable(80)) #3

declare noundef nonnull align 8 dereferenceable(24) ptr @_ZN10meshloader8NumsSets15getPartNamesSetEv(ptr noundef nonnull align 8 dereferenceable(80)) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEE2atEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

declare noundef nonnull align 8 dereferenceable(24) ptr @_ZN10meshloader8NumsSets10getNumsSetEc(ptr noundef nonnull align 8 dereferenceable(80), i8 noundef signext) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorImSaImEE9push_backERKm(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

attributes #0 = { mustprogress 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 = { mustprogress 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 = { "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 #4 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !6, i64 16}
!12 = !{!"_ZTSN10meshloader30AbstractCellsInteriorNumberingE", !6, i64 8, !6, i64 16, !13, i64 24}
!13 = !{!"_ZTSSt6vectorImSaImEE", !14, i64 0}
!14 = !{!"_ZTSSt12_Vector_baseImSaImEE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseImSaImEE12_Vector_implE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseImSaImEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!17 = !{!7, !7, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}
!20 = distinct !{!20, !19}


; 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: mustprogress uwtable
define dso_local void @_ZN10meshloader30AbstractCellsInteriorNumbering11combineNumsEv(ptr noundef nonnull align 8 dereferenceable(48) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = tail call noundef i64 @_ZN10meshloader8NumsSets13getSetsAmountEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge14, label %.lr.ph13

.lr.ph13:                                         ; preds = %1
  %5 = getelementptr inbounds i8, ptr %0, i64 24
  br label %6

._crit_edge14:                                    ; preds = %._crit_edge, %1
  ret void

6:                                                ; preds = %.lr.ph13, %._crit_edge
  %.0911 = phi i64 [ 0, %.lr.ph13 ], [ %14, %._crit_edge ]
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZN10meshloader8NumsSets15getPartNamesSetEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  %9 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %.0911)
  %10 = load i8, ptr %9, align 1, !tbaa !14
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZN10meshloader8NumsSets10getNumsSetEc(ptr noundef nonnull align 8 dereferenceable(80) %11, i8 noundef signext %10)
  %13 = tail call noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #3
  %.not15 = icmp eq i64 %13, 0
  br i1 %.not15, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %6
  %14 = add nuw i64 %.0911, 1
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = tail call noundef i64 @_ZN10meshloader8NumsSets13getSetsAmountEv(ptr noundef nonnull align 8 dereferenceable(80) %15)
  %17 = icmp ult i64 %14, %16
  br i1 %17, label %6, label %._crit_edge14, !llvm.loop !15

.lr.ph:                                           ; preds = %6, %.lr.ph
  %.010 = phi i64 [ %21, %.lr.ph ], [ 0, %6 ]
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZN10meshloader8NumsSets10getNumsSetEc(ptr noundef nonnull align 8 dereferenceable(80) %18, i8 noundef signext %10)
  %20 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorImSaImEE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %.010)
  tail call void @_ZNSt6vectorImSaImEE9push_backERKm(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(8) %20)
  %21 = add nuw i64 %.010, 1
  %exitcond.not = icmp eq i64 %21, %13
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !17
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorImSaImEE2atEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

declare noundef i64 @_ZN10meshloader8NumsSets13getSetsAmountEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2

declare noundef nonnull align 8 dereferenceable(24) ptr @_ZN10meshloader8NumsSets15getPartNamesSetEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEE2atEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(24) ptr @_ZN10meshloader8NumsSets10getNumsSetEc(ptr noundef nonnull align 8 dereferenceable(80), i8 noundef signext) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorImSaImEE9push_backERKm(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

attributes #0 = { mustprogress 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 = { mustprogress 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 = { "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, !7, i64 16}
!6 = !{!"_ZTSN10meshloader30AbstractCellsInteriorNumberingE", !7, i64 8, !7, i64 16, !10, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6vectorImSaImEE", !11, i64 0}
!11 = !{!"_ZTSSt12_Vector_baseImSaImEE", !12, i64 0}
!12 = !{!"_ZTSNSt12_Vector_baseImSaImEE12_Vector_implE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseImSaImEE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!14 = !{!8, !8, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass