; LLVM IR from VeloxChem/VeloxChem :: src/dft_func/DensityGrid.ll (ZN12CDensityGridaSEOS_)

; 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.CDensityGrid = type { i32, i32, %class.CDensityGridData2D }
%class.CDensityGridData2D = type <{ %"class.std::vector", %"class.std::vector.0", %"class.std::vector.0", %"class.std::vector.0", i32, [4 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: nounwind
declare noundef nonnull align 8 dereferenceable(100) ptr @_ZN18CDensityGridData2DaSEOS_(ptr noundef nonnull align 8 dereferenceable(100), ptr noundef nonnull align 8 dereferenceable(100)) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(112) ptr @_ZN12CDensityGridaSEOS_(ptr noundef nonnull align 8 dereferenceable(112) %0, ptr noundef nonnull align 8 dereferenceable(112) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8
  %7 = load ptr, ptr %5, align 8, !tbaa !5
  %8 = icmp eq ptr %6, %7
  br i1 %8, label %9, label %10

9:                                                ; preds = %2
  store ptr %6, ptr %3, align 8
  br label %23

10:                                               ; preds = %2
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = getelementptr inbounds %class.CDensityGrid, ptr %11, i32 0, i32 0
  %13 = load i32, ptr %12, align 4, !tbaa !9
  %14 = getelementptr inbounds %class.CDensityGrid, ptr %6, i32 0, i32 0
  store i32 %13, ptr %14, align 8, !tbaa !11
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds %class.CDensityGrid, ptr %15, i32 0, i32 1
  %17 = load i32, ptr %16, align 4, !tbaa !23
  %18 = getelementptr inbounds %class.CDensityGrid, ptr %6, i32 0, i32 1
  store i32 %17, ptr %18, align 4, !tbaa !24
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %class.CDensityGrid, ptr %19, i32 0, i32 2
  %21 = getelementptr inbounds %class.CDensityGrid, ptr %6, i32 0, i32 2
  %22 = call noundef nonnull align 8 dereferenceable(100) ptr @_ZN18CDensityGridData2DaSEOS_(ptr noundef nonnull align 8 dereferenceable(100) %21, ptr noundef nonnull align 8 dereferenceable(100) %20) #2
  store ptr %6, ptr %3, align 8
  br label %23

23:                                               ; preds = %10, %9
  %24 = load ptr, ptr %3, align 8
  ret ptr %24
}

attributes #0 = { 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 = { 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 = { 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 = !{!"_ZTS7dengrid", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_ZTS12CDensityGrid", !10, i64 0, !13, i64 4, !14, i64 8}
!13 = !{!"int", !7, i64 0}
!14 = !{!"_ZTS18CDensityGridData2D", !15, i64 0, !19, i64 24, !19, i64 48, !19, i64 72, !13, i64 96}
!15 = !{!"_ZTSSt6vectorIdSaIdEE", !16, i64 0}
!16 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !17, i64 0}
!17 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!19 = !{!"_ZTSSt6vectorIiSaIiEE", !20, i64 0}
!20 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !21, i64 0}
!21 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !22, i64 0}
!22 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!23 = !{!13, !13, i64 0}
!24 = !{!12, !13, i64 4}


; 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: nounwind
declare noundef nonnull align 8 dereferenceable(100) ptr @_ZN18CDensityGridData2DaSEOS_(ptr noundef nonnull align 8 dereferenceable(100), ptr noundef nonnull align 8 dereferenceable(100)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(112) ptr @_ZN12CDensityGridaSEOS_(ptr noundef nonnull returned align 8 dereferenceable(112) %0, ptr noundef nonnull align 8 dereferenceable(112) %1) local_unnamed_addr #1 align 2 {
  %3 = icmp eq ptr %0, %1
  br i1 %3, label %9, label %4

4:                                                ; preds = %2
  %5 = load <2 x i32>, ptr %1, align 8, !tbaa !5
  store <2 x i32> %5, ptr %0, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %1, i64 8
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = tail call noundef nonnull align 8 dereferenceable(100) ptr @_ZN18CDensityGridData2DaSEOS_(ptr noundef nonnull align 8 dereferenceable(100) %7, ptr noundef nonnull align 8 dereferenceable(100) %6) #2
  br label %9

9:                                                ; preds = %2, %4
  ret ptr %0
}

attributes #0 = { 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 = { 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass