; LLVM IR from mackorone/mms :: old/v1/src/algo/FloodFill/FloodFill.ll (ZN9FloodFill14printDistancesEv)

; 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.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%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" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; 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: mustprogress uwtable
define dso_local void @_ZN9FloodFill14printDistancesEv(ptr noundef nonnull align 8 dereferenceable(8457) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  %7 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 15, ptr %3, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %57, %1
  %9 = load i32, ptr %3, align 4, !tbaa !9
  %10 = icmp sge i32 %9, 0
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  store i32 2, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %60

12:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %52, %12
  %14 = load i32, ptr %5, align 4, !tbaa !9
  %15 = icmp slt i32 %14, 16
  br i1 %15, label %17, label %16

16:                                               ; preds = %13
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %55

17:                                               ; preds = %13
  %18 = getelementptr inbounds %class.FloodFill, ptr %6, i32 0, i32 2
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [16 x [16 x %class.Cell]], ptr %18, i64 0, i64 %20
  %22 = load i32, ptr %3, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [16 x %class.Cell], ptr %21, i64 0, i64 %23
  %25 = call noundef i32 @_ZN4Cell11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(32) %24)
  %26 = icmp slt i32 %25, 100
  br i1 %26, label %27, label %41

27:                                               ; preds = %17
  %28 = getelementptr inbounds %class.FloodFill, ptr %6, i32 0, i32 2
  %29 = load i32, ptr %5, align 4, !tbaa !9
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [16 x [16 x %class.Cell]], ptr %28, i64 0, i64 %30
  %32 = load i32, ptr %3, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [16 x %class.Cell], ptr %31, i64 0, i64 %33
  %35 = call noundef i32 @_ZN4Cell11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(32) %34)
  %36 = icmp slt i32 %35, 10
  br i1 %36, label %37, label %39

37:                                               ; preds = %27
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  br label %39

39:                                               ; preds = %37, %27
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  br label %41

41:                                               ; preds = %39, %17
  %42 = getelementptr inbounds %class.FloodFill, ptr %6, i32 0, i32 2
  %43 = load i32, ptr %5, align 4, !tbaa !9
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [16 x [16 x %class.Cell]], ptr %42, i64 0, i64 %44
  %46 = load i32, ptr %3, align 4, !tbaa !9
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [16 x %class.Cell], ptr %45, i64 0, i64 %47
  %49 = call noundef i32 @_ZN4Cell11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(32) %48)
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %49)
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %50, ptr noundef @.str)
  br label %52

52:                                               ; preds = %41
  %53 = load i32, ptr %5, align 4, !tbaa !9
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %5, align 4, !tbaa !9
  br label %13, !llvm.loop !11

55:                                               ; preds = %16
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %57

57:                                               ; preds = %55
  %58 = load i32, ptr %3, align 4, !tbaa !9
  %59 = sub nsw i32 %58, 1
  store i32 %59, ptr %3, align 4, !tbaa !9
  br label %8, !llvm.loop !13

60:                                               ; preds = %11
  ret void
}

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

declare noundef i32 @_ZN4Cell11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 #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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%class.Cell = type { i32, i32, i32, i8, i8, [4 x i8], [4 x i8], ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9FloodFill14printDistancesEv(ptr noundef nonnull align 8 dereferenceable(8457) %0) local_unnamed_addr #0 align 2 {
  %2 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  br label %.preheader

.preheader:                                       ; preds = %1, %5
  %indvars.iv14 = phi i64 [ 15, %1 ], [ %indvars.iv.next15, %5 ]
  br label %7

4:                                                ; preds = %5
  ret void

5:                                                ; preds = %18
  %6 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %indvars.iv.next15 = add nsw i64 %indvars.iv14, -1
  %.not = icmp eq i64 %indvars.iv14, 0
  br i1 %.not, label %4, label %.preheader, !llvm.loop !5

7:                                                ; preds = %.preheader, %18
  %indvars.iv = phi i64 [ 0, %.preheader ], [ %indvars.iv.next, %18 ]
  %8 = getelementptr inbounds [16 x [16 x %class.Cell]], ptr %3, i64 0, i64 %indvars.iv, i64 %indvars.iv14
  %9 = tail call noundef i32 @_ZN4Cell11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(32) %8)
  %10 = icmp slt i32 %9, 100
  br i1 %10, label %11, label %18

11:                                               ; preds = %7
  %12 = tail call noundef i32 @_ZN4Cell11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(32) %8)
  %13 = icmp slt i32 %12, 10
  br i1 %13, label %14, label %16

14:                                               ; preds = %11
  %15 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  br label %16

16:                                               ; preds = %14, %11
  %17 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  br label %18

18:                                               ; preds = %16, %7
  %19 = tail call noundef i32 @_ZN4Cell11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(32) %8)
  %20 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %19)
  %21 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull @.str)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 16
  br i1 %exitcond.not, label %5, label %7, !llvm.loop !7
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

declare noundef i32 @_ZN4Cell11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #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 = { inlinehint 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 #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" }

!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"}
!7 = distinct !{!7, !6}


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