; LLVM IR from mackorone/mms :: old/v1/src/algo/FloodFill (FloodFill)

; 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.FloodFill = type <{ %class.IAlgorithm, ptr, [16 x [16 x %class.Cell]], i32, i32, i32, i32, i8, i8, [6 x i8], %class.History, i8, [7 x i8] }>
%class.IAlgorithm = type { ptr }
%class.Cell = type { i32, i32, i32, i8, i8, [4 x i8], [4 x i8], ptr }
%class.History = type { i32, i32, ptr, %"class.std::stack", %"class.std::queue", %"class.std::__cxx11::list", %"class.std::__cxx11::list.9" }
%"class.std::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<Cell *, std::allocator<Cell *>>::_Deque_impl" }
%"struct.std::_Deque_base<Cell *, std::allocator<Cell *>>::_Deque_impl" = type { %"struct.std::_Deque_base<Cell *, std::allocator<Cell *>>::_Deque_impl_data" }
%"struct.std::_Deque_base<Cell *, std::allocator<Cell *>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.std::queue" = type { %"class.std::deque.0" }
%"class.std::deque.0" = type { %"class.std::_Deque_base.1" }
%"class.std::_Deque_base.1" = type { %"struct.std::_Deque_base<std::stack<Cell *>, std::allocator<std::stack<Cell *>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::stack<Cell *>, std::allocator<std::stack<Cell *>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::stack<Cell *>, std::allocator<std::stack<Cell *>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::stack<Cell *>, std::allocator<std::stack<Cell *>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator.5", %"struct.std::_Deque_iterator.5" }
%"struct.std::_Deque_iterator.5" = type { ptr, ptr, ptr, ptr }
%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_List_impl" }
%"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_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 }
%"class.std::__cxx11::list.9" = type { %"class.std::__cxx11::_List_base.10" }
%"class.std::__cxx11::_List_base.10" = type { %"struct.std::__cxx11::_List_base<std::__cxx11::list<Cellmod>, std::allocator<std::__cxx11::list<Cellmod>>>::_List_impl" }
%"struct.std::__cxx11::_List_base<std::__cxx11::list<Cellmod>, std::allocator<std::__cxx11::list<Cellmod>>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }

; 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 zeroext i1 @_ZN3sim14MouseInterface13undoRequestedEv(ptr noundef nonnull align 8 dereferenceable(40)) #1

declare noundef zeroext i1 @_ZN3sim14MouseInterface14resetRequestedEv(ptr noundef nonnull align 8 dereferenceable(40)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIP4CellSt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIP4CellSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9FloodFill11moveOneCellEP4Cell(ptr noundef nonnull align 8 dereferenceable(8457), ptr noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIP4CellSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN9FloodFill19proceedToCheckpointESt5stackIP4CellSt5dequeIS2_SaIS2_EEE(ptr noundef nonnull align 8 dereferenceable(8457) %0, ptr noundef %1) #3 align 2 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8
  br label %8

8:                                                ; preds = %20, %2
  %9 = call noundef zeroext i1 @_ZNKSt5stackIP4CellSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %10 = xor i1 %9, true
  br i1 %10, label %11, label %24

11:                                               ; preds = %8
  %12 = getelementptr inbounds %class.FloodFill, ptr %7, i32 0, i32 1
  %13 = load ptr, ptr %12, align 8, !tbaa !9
  %14 = call noundef zeroext i1 @_ZN3sim14MouseInterface14resetRequestedEv(ptr noundef nonnull align 8 dereferenceable(40) %13)
  br i1 %14, label %19, label %15

15:                                               ; preds = %11
  %16 = getelementptr inbounds %class.FloodFill, ptr %7, i32 0, i32 1
  %17 = load ptr, ptr %16, align 8, !tbaa !9
  %18 = call noundef zeroext i1 @_ZN3sim14MouseInterface13undoRequestedEv(ptr noundef nonnull align 8 dereferenceable(40) %17)
  br i1 %18, label %19, label %20

19:                                               ; preds = %15, %11
  store i1 true, ptr %3, align 1
  br label %25

20:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIP4CellSt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  store ptr %22, ptr %6, align 8, !tbaa !5
  call void @_ZNSt5stackIP4CellSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN9FloodFill11moveOneCellEP4Cell(ptr noundef nonnull align 8 dereferenceable(8457) %7, ptr noundef %23)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %8, !llvm.loop !36

24:                                               ; preds = %8
  store i1 false, ptr %3, align 1
  br label %25

25:                                               ; preds = %24, %19
  %26 = load i1, ptr %3, align 1
  ret i1 %26
}

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, !6, i64 8}
!10 = !{!"_ZTS9FloodFill", !11, i64 0, !6, i64 8, !7, i64 16, !12, i64 8208, !12, i64 8212, !12, i64 8216, !12, i64 8220, !13, i64 8224, !13, i64 8225, !14, i64 8232, !13, i64 8456}
!11 = !{!"_ZTS10IAlgorithm"}
!12 = !{!"int", !7, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = !{!"_ZTS7History", !12, i64 0, !12, i64 4, !6, i64 8, !15, i64 16, !22, i64 96, !28, i64 176, !33, i64 200}
!15 = !{!"_ZTSSt5stackIP4CellSt5dequeIS1_SaIS1_EEE", !16, i64 0}
!16 = !{!"_ZTSSt5dequeIP4CellSaIS1_EE", !17, i64 0}
!17 = !{!"_ZTSSt11_Deque_baseIP4CellSaIS1_EE", !18, i64 0}
!18 = !{!"_ZTSNSt11_Deque_baseIP4CellSaIS1_EE11_Deque_implE", !19, i64 0}
!19 = !{!"_ZTSNSt11_Deque_baseIP4CellSaIS1_EE16_Deque_impl_dataE", !6, i64 0, !20, i64 8, !21, i64 16, !21, i64 48}
!20 = !{!"long", !7, i64 0}
!21 = !{!"_ZTSSt15_Deque_iteratorIP4CellRS1_PS1_E", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!22 = !{!"_ZTSSt5queueISt5stackIP4CellSt5dequeIS2_SaIS2_EEES3_IS6_SaIS6_EEE", !23, i64 0}
!23 = !{!"_ZTSSt5dequeISt5stackIP4CellS_IS2_SaIS2_EEESaIS5_EE", !24, i64 0}
!24 = !{!"_ZTSSt11_Deque_baseISt5stackIP4CellSt5dequeIS2_SaIS2_EEESaIS6_EE", !25, i64 0}
!25 = !{!"_ZTSNSt11_Deque_baseISt5stackIP4CellSt5dequeIS2_SaIS2_EEESaIS6_EE11_Deque_implE", !26, i64 0}
!26 = !{!"_ZTSNSt11_Deque_baseISt5stackIP4CellSt5dequeIS2_SaIS2_EEESaIS6_EE16_Deque_impl_dataE", !6, i64 0, !20, i64 8, !27, i64 16, !27, i64 48}
!27 = !{!"_ZTSSt15_Deque_iteratorISt5stackIP4CellSt5dequeIS2_SaIS2_EEERS6_PS6_E", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!28 = !{!"_ZTSNSt7__cxx114listIiSaIiEEE", !29, i64 0}
!29 = !{!"_ZTSNSt7__cxx1110_List_baseIiSaIiEEE", !30, i64 0}
!30 = !{!"_ZTSNSt7__cxx1110_List_baseIiSaIiEE10_List_implE", !31, i64 0}
!31 = !{!"_ZTSNSt8__detail17_List_node_headerE", !32, i64 0, !20, i64 16}
!32 = !{!"_ZTSNSt8__detail15_List_node_baseE", !6, i64 0, !6, i64 8}
!33 = !{!"_ZTSNSt7__cxx114listINS0_I7CellmodSaIS1_EEESaIS3_EEE", !34, i64 0}
!34 = !{!"_ZTSNSt7__cxx1110_List_baseINS_4listI7CellmodSaIS2_EEESaIS4_EEE", !35, i64 0}
!35 = !{!"_ZTSNSt7__cxx1110_List_baseINS_4listI7CellmodSaIS2_EEESaIS4_EE10_List_implE", !31, i64 0}
!36 = distinct !{!36, !37}
!37 = !{!"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"

declare noundef zeroext i1 @_ZN3sim14MouseInterface13undoRequestedEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0

declare noundef zeroext i1 @_ZN3sim14MouseInterface14resetRequestedEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIP4CellSt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIP4CellSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9FloodFill11moveOneCellEP4Cell(ptr noundef nonnull align 8 dereferenceable(8457), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIP4CellSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN9FloodFill19proceedToCheckpointESt5stackIP4CellSt5dequeIS2_SaIS2_EEE(ptr noundef nonnull align 8 dereferenceable(8457) %0, ptr noundef nonnull %1) local_unnamed_addr #2 align 2 {
  %3 = tail call noundef zeroext i1 @_ZNKSt5stackIP4CellSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  br i1 %3, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  br label %5

5:                                                ; preds = %.lr.ph, %11
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = tail call noundef zeroext i1 @_ZN3sim14MouseInterface14resetRequestedEv(ptr noundef nonnull align 8 dereferenceable(40) %6)
  br i1 %7, label %._crit_edge, label %8

8:                                                ; preds = %5
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = tail call noundef zeroext i1 @_ZN3sim14MouseInterface13undoRequestedEv(ptr noundef nonnull align 8 dereferenceable(40) %9)
  br i1 %10, label %._crit_edge, label %11

11:                                               ; preds = %8
  %12 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIP4CellSt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %13 = load ptr, ptr %12, align 8, !tbaa !35
  tail call void @_ZNSt5stackIP4CellSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  tail call void @_ZN9FloodFill11moveOneCellEP4Cell(ptr noundef nonnull align 8 dereferenceable(8457) %0, ptr noundef %13)
  %14 = tail call noundef zeroext i1 @_ZNKSt5stackIP4CellSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  br i1 %14, label %._crit_edge, label %5, !llvm.loop !36

._crit_edge:                                      ; preds = %8, %5, %11, %2
  %.lcssa = phi i1 [ false, %2 ], [ false, %11 ], [ true, %5 ], [ true, %8 ]
  ret i1 %.lcssa
}

attributes #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 = { 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" }

!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, !8, i64 8}
!6 = !{!"_ZTS9FloodFill", !7, i64 0, !8, i64 8, !9, i64 16, !11, i64 8208, !11, i64 8212, !11, i64 8216, !11, i64 8220, !12, i64 8224, !12, i64 8225, !13, i64 8232, !12, i64 8456}
!7 = !{!"_ZTS10IAlgorithm"}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!"bool", !9, i64 0}
!13 = !{!"_ZTS7History", !11, i64 0, !11, i64 4, !8, i64 8, !14, i64 16, !21, i64 96, !27, i64 176, !32, i64 200}
!14 = !{!"_ZTSSt5stackIP4CellSt5dequeIS1_SaIS1_EEE", !15, i64 0}
!15 = !{!"_ZTSSt5dequeIP4CellSaIS1_EE", !16, i64 0}
!16 = !{!"_ZTSSt11_Deque_baseIP4CellSaIS1_EE", !17, i64 0}
!17 = !{!"_ZTSNSt11_Deque_baseIP4CellSaIS1_EE11_Deque_implE", !18, i64 0}
!18 = !{!"_ZTSNSt11_Deque_baseIP4CellSaIS1_EE16_Deque_impl_dataE", !8, i64 0, !19, i64 8, !20, i64 16, !20, i64 48}
!19 = !{!"long", !9, i64 0}
!20 = !{!"_ZTSSt15_Deque_iteratorIP4CellRS1_PS1_E", !8, i64 0, !8, i64 8, !8, i64 16, !8, i64 24}
!21 = !{!"_ZTSSt5queueISt5stackIP4CellSt5dequeIS2_SaIS2_EEES3_IS6_SaIS6_EEE", !22, i64 0}
!22 = !{!"_ZTSSt5dequeISt5stackIP4CellS_IS2_SaIS2_EEESaIS5_EE", !23, i64 0}
!23 = !{!"_ZTSSt11_Deque_baseISt5stackIP4CellSt5dequeIS2_SaIS2_EEESaIS6_EE", !24, i64 0}
!24 = !{!"_ZTSNSt11_Deque_baseISt5stackIP4CellSt5dequeIS2_SaIS2_EEESaIS6_EE11_Deque_implE", !25, i64 0}
!25 = !{!"_ZTSNSt11_Deque_baseISt5stackIP4CellSt5dequeIS2_SaIS2_EEESaIS6_EE16_Deque_impl_dataE", !8, i64 0, !19, i64 8, !26, i64 16, !26, i64 48}
!26 = !{!"_ZTSSt15_Deque_iteratorISt5stackIP4CellSt5dequeIS2_SaIS2_EEERS6_PS6_E", !8, i64 0, !8, i64 8, !8, i64 16, !8, i64 24}
!27 = !{!"_ZTSNSt7__cxx114listIiSaIiEEE", !28, i64 0}
!28 = !{!"_ZTSNSt7__cxx1110_List_baseIiSaIiEEE", !29, i64 0}
!29 = !{!"_ZTSNSt7__cxx1110_List_baseIiSaIiEE10_List_implE", !30, i64 0}
!30 = !{!"_ZTSNSt8__detail17_List_node_headerE", !31, i64 0, !19, i64 16}
!31 = !{!"_ZTSNSt8__detail15_List_node_baseE", !8, i64 0, !8, i64 8}
!32 = !{!"_ZTSNSt7__cxx114listINS0_I7CellmodSaIS1_EEESaIS3_EEE", !33, i64 0}
!33 = !{!"_ZTSNSt7__cxx1110_List_baseINS_4listI7CellmodSaIS2_EEESaIS4_EEE", !34, i64 0}
!34 = !{!"_ZTSNSt7__cxx1110_List_baseINS_4listI7CellmodSaIS2_EEESaIS4_EE10_List_implE", !30, i64 0}
!35 = !{!8, !8, i64 0}
!36 = distinct !{!36, !37}
!37 = !{!"llvm.loop.mustprogress"}


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