; LLVM IR from SourangshuGhosh/Fluid-Simulation-for-Computer-Graphics :: src/trianglemesh.ll (ZN12TriangleMesh11removeHolesEv)

; 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::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.15" = type { %"struct.std::_Vector_base.16" }
%"struct.std::_Vector_base.16" = 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; 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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12TriangleMesh13_getPolyhedraERSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 8 dereferenceable(232), ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12TriangleMesh24removeExtraneousVerticesEv(ptr noundef nonnull align 8 dereferenceable(232)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12TriangleMesh15removeTrianglesERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232), ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN12TriangleMesh17_isPolyhedronHoleERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232), ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12TriangleMesh11removeHolesEv(ptr noundef nonnull align 8 dereferenceable(232) %0) #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::vector.5", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector.15", align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %10 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #3
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  invoke void @_ZN12TriangleMesh13_getPolyhedraERSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 8 dereferenceable(232) %10, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %11 unwind label %18

11:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %59, %11
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = zext i32 %13 to i64
  %15 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  %16 = icmp ult i64 %14, %15
  br i1 %16, label %22, label %17

17:                                               ; preds = %12
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %63

18:                                               ; preds = %1
  %19 = landingpad { ptr, i32 }
          cleanup
  %20 = extractvalue { ptr, i32 } %19, 0
  store ptr %20, ptr %4, align 8
  %21 = extractvalue { ptr, i32 } %19, 1
  store i32 %21, ptr %5, align 4
  br label %78

22:                                               ; preds = %12
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = zext i32 %23 to i64
  %25 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %24) #3
  %26 = invoke noundef zeroext i1 @_ZN12TriangleMesh17_isPolyhedronHoleERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232) %10, ptr noundef nonnull align 8 dereferenceable(24) %25)
          to label %27 unwind label %38

27:                                               ; preds = %22
  br i1 %26, label %28, label %58

28:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %29

29:                                               ; preds = %50, %28
  %30 = load i32, ptr %9, align 4, !tbaa !9
  %31 = zext i32 %30 to i64
  %32 = load i32, ptr %7, align 4, !tbaa !9
  %33 = zext i32 %32 to i64
  %34 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %33) #3
  %35 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %34) #3
  %36 = icmp ult i64 %31, %35
  br i1 %36, label %42, label %37

37:                                               ; preds = %29
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %57

38:                                               ; preds = %22
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %4, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %5, align 4
  br label %62

42:                                               ; preds = %29
  %43 = load i32, ptr %7, align 4, !tbaa !9
  %44 = zext i32 %43 to i64
  %45 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %44) #3
  %46 = load i32, ptr %9, align 4, !tbaa !9
  %47 = zext i32 %46 to i64
  %48 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %45, i64 noundef %47) #3
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 4 dereferenceable(4) %48)
          to label %49 unwind label %53

49:                                               ; preds = %42
  br label %50

50:                                               ; preds = %49
  %51 = load i32, ptr %9, align 4, !tbaa !9
  %52 = add i32 %51, 1
  store i32 %52, ptr %9, align 4, !tbaa !9
  br label %29, !llvm.loop !11

53:                                               ; preds = %42
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %4, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %62

57:                                               ; preds = %37
  br label %58

58:                                               ; preds = %57, %27
  br label %59

59:                                               ; preds = %58
  %60 = load i32, ptr %7, align 4, !tbaa !9
  %61 = add i32 %60, 1
  store i32 %61, ptr %7, align 4, !tbaa !9
  br label %12, !llvm.loop !13

62:                                               ; preds = %53, %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %77

63:                                               ; preds = %17
  %64 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  %65 = icmp eq i64 %64, 0
  br i1 %65, label %66, label %67

66:                                               ; preds = %63
  store i32 1, ptr %8, align 4
  br label %70

67:                                               ; preds = %63
  invoke void @_ZN12TriangleMesh15removeTrianglesERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232) %10, ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %68 unwind label %73

68:                                               ; preds = %67
  invoke void @_ZN12TriangleMesh24removeExtraneousVerticesEv(ptr noundef nonnull align 8 dereferenceable(232) %10)
          to label %69 unwind label %73

69:                                               ; preds = %68
  store i32 0, ptr %8, align 4
  br label %70

70:                                               ; preds = %69, %66
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #3
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #3
  %71 = load i32, ptr %8, align 4
  switch i32 %71, label %84 [
    i32 0, label %72
    i32 1, label %72
  ]

72:                                               ; preds = %70, %70
  ret void

73:                                               ; preds = %68, %67
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %4, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %5, align 4
  br label %77

77:                                               ; preds = %73, %62
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #3
  br label %78

78:                                               ; preds = %77, %18
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #3
  br label %79

79:                                               ; preds = %78
  %80 = load ptr, ptr %4, align 8
  %81 = load i32, ptr %5, align 4
  %82 = insertvalue { ptr, i32 } poison, ptr %80, 0
  %83 = insertvalue { ptr, i32 } %82, i32 %81, 1
  resume { ptr, i32 } %83

84:                                               ; preds = %70
  unreachable
}

attributes #0 = { 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 #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 = { 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::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.15" = type { %"struct.std::_Vector_base.16" }
%"struct.std::_Vector_base.16" = 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12TriangleMesh13_getPolyhedraERSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 8 dereferenceable(232), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12TriangleMesh24removeExtraneousVerticesEv(ptr noundef nonnull align 8 dereferenceable(232)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12TriangleMesh15removeTrianglesERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN12TriangleMesh17_isPolyhedronHoleERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12TriangleMesh11removeHolesEv(ptr noundef nonnull align 8 dereferenceable(232) %0) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::vector.5", align 8
  %3 = alloca %"class.std::vector.15", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #3
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  invoke void @_ZN12TriangleMesh13_getPolyhedraERSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 8 dereferenceable(232) %0, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %4 unwind label %8

4:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  %5 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  %.not = icmp eq i64 %5, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph22

._crit_edge:                                      ; preds = %.loopexit, %4
  %6 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  %7 = icmp eq i64 %6, 0
  br i1 %7, label %35, label %33

8:                                                ; preds = %1
  %9 = landingpad { ptr, i32 }
          cleanup
  br label %39

.lr.ph22:                                         ; preds = %4, %.loopexit
  %10 = phi i64 [ %30, %.loopexit ], [ 0, %4 ]
  %.01021 = phi i32 [ %29, %.loopexit ], [ 0, %4 ]
  %11 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %10) #3
  %12 = invoke noundef zeroext i1 @_ZN12TriangleMesh17_isPolyhedronHoleERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232) %0, ptr noundef nonnull align 8 dereferenceable(24) %11)
          to label %13 unwind label %16

13:                                               ; preds = %.lr.ph22
  br i1 %12, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %13
  %14 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %10) #3
  %15 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #3
  %.not23 = icmp eq i64 %15, 0
  br i1 %.not23, label %.loopexit, label %.lr.ph

16:                                               ; preds = %.lr.ph22
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %38

.lr.ph:                                           ; preds = %.preheader, %21
  %18 = phi i64 [ %23, %21 ], [ 0, %.preheader ]
  %.020 = phi i32 [ %22, %21 ], [ 0, %.preheader ]
  %19 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %10) #3
  %20 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %18) #3
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %20)
          to label %21 unwind label %27

21:                                               ; preds = %.lr.ph
  %22 = add i32 %.020, 1
  %23 = zext i32 %22 to i64
  %24 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %10) #3
  %25 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %24) #3
  %26 = icmp ugt i64 %25, %23
  br i1 %26, label %.lr.ph, label %.loopexit, !llvm.loop !5

27:                                               ; preds = %.lr.ph
  %28 = landingpad { ptr, i32 }
          cleanup
  br label %38

.loopexit:                                        ; preds = %21, %.preheader, %13
  %29 = add i32 %.01021, 1
  %30 = zext i32 %29 to i64
  %31 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  %32 = icmp ugt i64 %31, %30
  br i1 %32, label %.lr.ph22, label %._crit_edge, !llvm.loop !7

33:                                               ; preds = %._crit_edge
  invoke void @_ZN12TriangleMesh15removeTrianglesERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232) %0, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %34 unwind label %36

34:                                               ; preds = %33
  invoke void @_ZN12TriangleMesh24removeExtraneousVerticesEv(ptr noundef nonnull align 8 dereferenceable(232) %0)
          to label %35 unwind label %36

35:                                               ; preds = %34, %._crit_edge
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #3
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #3
  ret void

36:                                               ; preds = %34, %33
  %37 = landingpad { ptr, i32 }
          cleanup
  br label %38

38:                                               ; preds = %16, %27, %36
  %.pn.pn = phi { ptr, i32 } [ %37, %36 ], [ %28, %27 ], [ %17, %16 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #3
  br label %39

39:                                               ; preds = %38, %8
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %38 ], [ %9, %8 ]
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #3
  resume { ptr, i32 } %.pn.pn.pn
}

attributes #0 = { 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 #1 = { mustprogress 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 = { 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"}
!7 = distinct !{!7, !6}


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