; LLVM IR from VeloxChem/VeloxChem :: src/dft_func/GridPartitioner.ll (ZNK16CGridPartitioner26getTotalNumberOfGridPointsEv)

; 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.std::_List_const_iterator" = type { ptr }
%class.CGridPartitioner = type <{ %"class.std::__cxx11::list", i32, [4 x i8] }>
%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<CGridBox, std::allocator<CGridBox>>::_List_impl" }
%"struct.std::__cxx11::_List_base<CGridBox, std::allocator<CGridBox>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }

; 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

declare noundef i32 @_ZNK8CGridBox21getNumberOfGridPointsEv(ptr noundef nonnull align 8 dereferenceable(80)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt7__cxx114listI8CGridBoxSaIS1_EE6cbeginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt20_List_const_iteratorI8CGridBoxES3_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt7__cxx114listI8CGridBoxSaIS1_EE4cendEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt20_List_const_iteratorI8CGridBoxEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt20_List_const_iteratorI8CGridBoxEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK16CGridPartitioner26getTotalNumberOfGridPointsEv(ptr noundef nonnull align 8 dereferenceable(28) %0) #3 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca %"struct.std::_List_const_iterator", align 8
  %5 = alloca %"struct.std::_List_const_iterator", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 0, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %7 = getelementptr inbounds %class.CGridPartitioner, ptr %6, i32 0, i32 0
  %8 = call ptr @_ZNKSt7__cxx114listI8CGridBoxSaIS1_EE6cbeginEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  %9 = getelementptr inbounds %"struct.std::_List_const_iterator", ptr %4, i32 0, i32 0
  store ptr %8, ptr %9, align 8
  br label %10

10:                                               ; preds = %21, %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %11 = getelementptr inbounds %class.CGridPartitioner, ptr %6, i32 0, i32 0
  %12 = call ptr @_ZNKSt7__cxx114listI8CGridBoxSaIS1_EE4cendEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  %13 = getelementptr inbounds %"struct.std::_List_const_iterator", ptr %5, i32 0, i32 0
  store ptr %12, ptr %13, align 8
  %14 = call noundef zeroext i1 @_ZStneRKSt20_List_const_iteratorI8CGridBoxES3_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br i1 %14, label %16, label %15

15:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  br label %23

16:                                               ; preds = %10
  %17 = call noundef ptr @_ZNKSt20_List_const_iteratorI8CGridBoxEptEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %18 = call noundef i32 @_ZNK8CGridBox21getNumberOfGridPointsEv(ptr noundef nonnull align 8 dereferenceable(80) %17)
  %19 = load i32, ptr %3, align 4, !tbaa !9
  %20 = add nsw i32 %19, %18
  store i32 %20, ptr %3, align 4, !tbaa !9
  br label %21

21:                                               ; preds = %16
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt20_List_const_iteratorI8CGridBoxEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br label %10, !llvm.loop !11

23:                                               ; preds = %15
  %24 = load i32, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret i32 %24
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 = { 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 #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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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.std::_List_const_iterator" = type { ptr }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare noundef i32 @_ZNK8CGridBox21getNumberOfGridPointsEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt7__cxx114listI8CGridBoxSaIS1_EE6cbeginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt20_List_const_iteratorI8CGridBoxES3_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt7__cxx114listI8CGridBoxSaIS1_EE4cendEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt20_List_const_iteratorI8CGridBoxEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt20_List_const_iteratorI8CGridBoxEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK16CGridPartitioner26getTotalNumberOfGridPointsEv(ptr noundef nonnull align 8 dereferenceable(28) %0) local_unnamed_addr #3 align 2 {
  %2 = alloca %"struct.std::_List_const_iterator", align 8
  %3 = alloca %"struct.std::_List_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %4 = tail call ptr @_ZNKSt7__cxx114listI8CGridBoxSaIS1_EE6cbeginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  store ptr %4, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %5 = tail call ptr @_ZNKSt7__cxx114listI8CGridBoxSaIS1_EE4cendEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  store ptr %5, ptr %3, align 8
  %6 = call noundef zeroext i1 @_ZStneRKSt20_List_const_iteratorI8CGridBoxES3_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  %.0.lcssa = phi i32 [ 0, %1 ], [ %9, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  ret i32 %.0.lcssa

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.02 = phi i32 [ %9, %.lr.ph ], [ 0, %1 ]
  %7 = call noundef ptr @_ZNKSt20_List_const_iteratorI8CGridBoxEptEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %8 = call noundef i32 @_ZNK8CGridBox21getNumberOfGridPointsEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  %9 = add nsw i32 %8, %.02
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt20_List_const_iteratorI8CGridBoxEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %11 = call ptr @_ZNKSt7__cxx114listI8CGridBoxSaIS1_EE4cendEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  store ptr %11, ptr %3, align 8
  %12 = call noundef zeroext i1 @_ZStneRKSt20_List_const_iteratorI8CGridBoxES3_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !5
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 = { 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 #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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass