; LLVM IR from erayzesen/QuarkPhysics :: QuarkPhysics/polypartition (polypartition)

; 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::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<TPPLPoly, std::allocator<TPPLPoly>>::_List_impl" }
%"struct.std::__cxx11::_List_base<TPPLPoly, std::allocator<TPPLPoly>>::_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 }
%"struct.std::_List_iterator" = type { ptr }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

declare i32 @__gxx_personality_v0(...)

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

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN13TPPLPartition11RemoveHolesEPNSt7__cxx114listI8TPPLPolySaIS2_EEES5_(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef, ptr noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listI8TPPLPolySaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_List_iteratorI8TPPLPolyEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listI8TPPLPolySaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt14_List_iteratorI8TPPLPolyES3_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listI8TPPLPolySaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt14_List_iteratorI8TPPLPolyEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(17) ptr @_ZNKSt14_List_iteratorI8TPPLPolyEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1110_List_baseI8TPPLPolySaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN13TPPLPartition14Triangulate_ECEP8TPPLPolyPNSt7__cxx114listIS0_SaIS0_EEE(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef, ptr noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN13TPPLPartition14Triangulate_ECEPNSt7__cxx114listI8TPPLPolySaIS2_EEES5_(ptr noundef nonnull align 1 dereferenceable(1) %0, ptr noundef %1, ptr noundef %2) #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca %"class.std::__cxx11::list", align 8
  %9 = alloca %"struct.std::_List_iterator", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::_List_iterator", align 8
  %14 = alloca %"struct.std::_List_iterator", align 8
  %15 = alloca %"struct.std::_List_iterator", align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  %16 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #4
  call void @_ZNSt7__cxx114listI8TPPLPolySaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  call void @_ZNSt14_List_iteratorI8TPPLPolyEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = invoke noundef i32 @_ZN13TPPLPartition11RemoveHolesEPNSt7__cxx114listI8TPPLPolySaIS2_EEES5_(ptr noundef nonnull align 1 dereferenceable(1) %16, ptr noundef %17, ptr noundef %8)
          to label %19 unwind label %22

19:                                               ; preds = %3
  %20 = icmp ne i32 %18, 0
  br i1 %20, label %26, label %21

21:                                               ; preds = %19
  store i32 0, ptr %4, align 4
  store i32 1, ptr %12, align 4
  br label %45

22:                                               ; preds = %33, %3
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %10, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @_ZNSt7__cxx1110_List_baseI8TPPLPolySaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #4
  br label %47

26:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %27 = call ptr @_ZNSt7__cxx114listI8TPPLPolySaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  %28 = getelementptr inbounds %"struct.std::_List_iterator", ptr %13, i32 0, i32 0
  store ptr %27, ptr %28, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %13, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br label %29

29:                                               ; preds = %41, %26
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %30 = call ptr @_ZNSt7__cxx114listI8TPPLPolySaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  %31 = getelementptr inbounds %"struct.std::_List_iterator", ptr %14, i32 0, i32 0
  store ptr %30, ptr %31, align 8
  %32 = call noundef zeroext i1 @_ZStneRKSt14_List_iteratorI8TPPLPolyES3_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  br i1 %32, label %33, label %44

33:                                               ; preds = %29
  %34 = call noundef nonnull align 8 dereferenceable(17) ptr @_ZNKSt14_List_iteratorI8TPPLPolyEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  %35 = load ptr, ptr %7, align 8, !tbaa !5
  %36 = invoke noundef i32 @_ZN13TPPLPartition14Triangulate_ECEP8TPPLPolyPNSt7__cxx114listIS0_SaIS0_EEE(ptr noundef nonnull align 1 dereferenceable(1) %16, ptr noundef %34, ptr noundef %35)
          to label %37 unwind label %22

37:                                               ; preds = %33
  %38 = icmp ne i32 %36, 0
  br i1 %38, label %40, label %39

39:                                               ; preds = %37
  store i32 0, ptr %4, align 4
  store i32 1, ptr %12, align 4
  br label %45

40:                                               ; preds = %37
  br label %41

41:                                               ; preds = %40
  %42 = call ptr @_ZNSt14_List_iteratorI8TPPLPolyEppEi(ptr noundef nonnull align 8 dereferenceable(8) %9, i32 noundef 0) #4
  %43 = getelementptr inbounds %"struct.std::_List_iterator", ptr %15, i32 0, i32 0
  store ptr %42, ptr %43, align 8
  br label %29, !llvm.loop !10

44:                                               ; preds = %29
  store i32 1, ptr %4, align 4
  store i32 1, ptr %12, align 4
  br label %45

45:                                               ; preds = %44, %39, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @_ZNSt7__cxx1110_List_baseI8TPPLPolySaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #4
  %46 = load i32, ptr %4, align 4
  ret i32 %46

47:                                               ; preds = %22
  %48 = load ptr, ptr %10, align 8
  %49 = load i32, ptr %11, align 4
  %50 = insertvalue { ptr, i32 } poison, ptr %48, 0
  %51 = insertvalue { ptr, i32 } %50, i32 %49, 1
  resume { ptr, i32 } %51
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #3 = { 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 #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 = !{i64 0, i64 8, !5}
!10 = distinct !{!10, !11}
!11 = !{!"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"

%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<TPPLPoly, std::allocator<TPPLPoly>>::_List_impl" }
%"struct.std::__cxx11::_List_base<TPPLPoly, std::allocator<TPPLPoly>>::_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 }
%"struct.std::_List_iterator" = type { ptr }

declare i32 @__gxx_personality_v0(...)

; 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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN13TPPLPartition11RemoveHolesEPNSt7__cxx114listI8TPPLPolySaIS2_EEES5_(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef, ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listI8TPPLPolySaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_List_iteratorI8TPPLPolyEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listI8TPPLPolySaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt14_List_iteratorI8TPPLPolyES3_(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 @_ZNSt7__cxx114listI8TPPLPolySaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt14_List_iteratorI8TPPLPolyEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(17) ptr @_ZNKSt14_List_iteratorI8TPPLPolyEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1110_List_baseI8TPPLPolySaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN13TPPLPartition14Triangulate_ECEP8TPPLPolyPNSt7__cxx114listIS0_SaIS0_EEE(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef, ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef range(i32 0, 2) i32 @_ZN13TPPLPartition14Triangulate_ECEPNSt7__cxx114listI8TPPLPolySaIS2_EEES5_(ptr noundef nonnull align 1 dereferenceable(1) %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::__cxx11::list", align 8
  %5 = alloca %"struct.std::_List_iterator", align 8
  %6 = alloca %"struct.std::_List_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #3
  call void @_ZNSt7__cxx114listI8TPPLPolySaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  call void @_ZNSt14_List_iteratorI8TPPLPolyEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %5) #3
  %7 = invoke noundef i32 @_ZN13TPPLPartition11RemoveHolesEPNSt7__cxx114listI8TPPLPolySaIS2_EEES5_(ptr noundef nonnull align 1 dereferenceable(1) %0, ptr noundef %1, ptr noundef nonnull %4)
          to label %8 unwind label %.loopexit.split-lp

8:                                                ; preds = %3
  %.not = icmp eq i32 %7, 0
  br i1 %.not, label %.loopexit, label %10

.loopexit7:                                       ; preds = %.lr.ph
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %9

.loopexit.split-lp:                               ; preds = %3
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %9

9:                                                ; preds = %.loopexit.split-lp, %.loopexit7
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit7 ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @_ZNSt7__cxx1110_List_baseI8TPPLPolySaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  resume { ptr, i32 } %lpad.phi

10:                                               ; preds = %8
  %11 = call ptr @_ZNSt7__cxx114listI8TPPLPolySaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  store ptr %11, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  %12 = call ptr @_ZNSt7__cxx114listI8TPPLPolySaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  store ptr %12, ptr %6, align 8
  %13 = call noundef zeroext i1 @_ZStneRKSt14_List_iteratorI8TPPLPolyES3_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  br i1 %13, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %10, %17
  %14 = call noundef nonnull align 8 dereferenceable(17) ptr @_ZNKSt14_List_iteratorI8TPPLPolyEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #3
  %15 = invoke noundef i32 @_ZN13TPPLPartition14Triangulate_ECEP8TPPLPolyPNSt7__cxx114listIS0_SaIS0_EEE(ptr noundef nonnull align 1 dereferenceable(1) %0, ptr noundef nonnull %14, ptr noundef %2)
          to label %16 unwind label %.loopexit7

16:                                               ; preds = %.lr.ph
  %.not6 = icmp eq i32 %15, 0
  br i1 %.not6, label %.loopexit, label %17

17:                                               ; preds = %16
  %18 = call ptr @_ZNSt14_List_iteratorI8TPPLPolyEppEi(ptr noundef nonnull align 8 dereferenceable(8) %5, i32 noundef 0) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  %19 = call ptr @_ZNSt7__cxx114listI8TPPLPolySaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  store ptr %19, ptr %6, align 8
  %20 = call noundef zeroext i1 @_ZStneRKSt14_List_iteratorI8TPPLPolyES3_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  br i1 %20, label %.lr.ph, label %.loopexit, !llvm.loop !9

.loopexit:                                        ; preds = %16, %17, %10, %8
  %.0 = phi i32 [ 0, %8 ], [ 1, %10 ], [ 0, %16 ], [ 1, %17 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @_ZNSt7__cxx1110_List_baseI8TPPLPolySaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  ret i32 %.0
}

attributes #0 = { mustprogress 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 = { 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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass