; LLVM IR from SourangshuGhosh/Fluid-Simulation-for-Computer-Graphics :: src/trianglemesh.ll (ZN12TriangleMesh15removeTrianglesERSt6vectorIiSaIiEE)

; 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.27" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.31" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<Triangle, std::allocator<Triangle>>::_Vector_impl" }
%"struct.std::_Vector_base<Triangle, std::allocator<Triangle>>::_Vector_impl" = type { %"struct.std::_Vector_base<Triangle, std::allocator<Triangle>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Triangle, std::allocator<Triangle>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.TriangleMesh = type { %"class.std::vector", %"class.std::vector", %"class.std::vector", %"class.std::vector.0", i32, i32, i32, double, %"class.std::vector.5", %"class.std::vector.10", %class.Array3d }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<vmath::vec3, std::allocator<vmath::vec3>>::_Vector_impl" }
%"struct.std::_Vector_base<vmath::vec3, std::allocator<vmath::vec3>>::_Vector_impl" = type { %"struct.std::_Vector_base<vmath::vec3, std::allocator<vmath::vec3>>::_Vector_impl_data" }
%"struct.std::_Vector_base<vmath::vec3, std::allocator<vmath::vec3>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = 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.Array3d = type <{ i32, i32, i32, [4 x i8], ptr, i8, [7 x i8], %"class.std::vector.15", i32, [4 x i8] }>
%"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 @_ZNSt6vectorI8TriangleSaIS0_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 @_ZNSt6vectorI8TriangleSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI8TriangleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #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 uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorI8TriangleSaIS0_EEaSERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI8TriangleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI8TriangleSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(12)) #2 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 uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12TriangleMesh15removeTrianglesERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::vector.27", align 8
  %6 = alloca i8, align 1
  %7 = alloca %"class.std::allocator.31", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::_Bit_reference", align 8
  %13 = alloca %"class.std::vector.0", align 8
  %14 = alloca i32, align 4
  %15 = alloca %"struct.std::_Bit_reference", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %16 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr %5) #3
  %17 = getelementptr inbounds %class.TriangleMesh, ptr %16, i32 0, i32 3
  %18 = call noundef i64 @_ZNKSt6vectorI8TriangleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #3
  store i8 0, ptr %6, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #3
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %18, ptr noundef nonnull align 1 dereferenceable(1) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %19 unwind label %27

19:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  store i32 0, ptr %10, align 4, !tbaa !11
  br label %20

20:                                               ; preds = %46, %19
  %21 = load i32, ptr %10, align 4, !tbaa !11
  %22 = zext i32 %21 to i64
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %23) #3
  %25 = icmp ult i64 %22, %24
  br i1 %25, label %31, label %26

26:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  br label %53

27:                                               ; preds = %2
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %8, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  br label %101

31:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = load i32, ptr %10, align 4, !tbaa !11
  %34 = zext i32 %33 to i64
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %32, i64 noundef %34) #3
  %36 = load i32, ptr %35, align 4, !tbaa !11
  store i32 %36, ptr %11, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #3
  %37 = load i32, ptr %11, align 4, !tbaa !11
  %38 = sext i32 %37 to i64
  %39 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %38)
          to label %40 unwind label %49

40:                                               ; preds = %31
  %41 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 0
  %42 = extractvalue { ptr, i64 } %39, 0
  store ptr %42, ptr %41, align 8
  %43 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 1
  %44 = extractvalue { ptr, i64 } %39, 1
  store i64 %44, ptr %43, align 8
  %45 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %12, i1 noundef zeroext true) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %46

46:                                               ; preds = %40
  %47 = load i32, ptr %10, align 4, !tbaa !11
  %48 = add i32 %47, 1
  store i32 %48, ptr %10, align 4, !tbaa !11
  br label %20, !llvm.loop !13

49:                                               ; preds = %31
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %8, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  br label %100

53:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 24, ptr %13) #3
  call void @_ZNSt6vectorI8TriangleSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #3
  store i32 0, ptr %14, align 4, !tbaa !11
  br label %54

54:                                               ; preds = %87, %53
  %55 = load i32, ptr %14, align 4, !tbaa !11
  %56 = zext i32 %55 to i64
  %57 = getelementptr inbounds %class.TriangleMesh, ptr %16, i32 0, i32 3
  %58 = call noundef i64 @_ZNKSt6vectorI8TriangleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %57) #3
  %59 = icmp ult i64 %56, %58
  br i1 %59, label %61, label %60

60:                                               ; preds = %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  br label %91

61:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 16, ptr %15) #3
  %62 = load i32, ptr %14, align 4, !tbaa !11
  %63 = zext i32 %62 to i64
  %64 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %63)
          to label %65 unwind label %78

65:                                               ; preds = %61
  %66 = getelementptr inbounds { ptr, i64 }, ptr %15, i32 0, i32 0
  %67 = extractvalue { ptr, i64 } %64, 0
  store ptr %67, ptr %66, align 8
  %68 = getelementptr inbounds { ptr, i64 }, ptr %15, i32 0, i32 1
  %69 = extractvalue { ptr, i64 } %64, 1
  store i64 %69, ptr %68, align 8
  %70 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %15) #3
  %71 = xor i1 %70, true
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #3
  br i1 %71, label %72, label %86

72:                                               ; preds = %65
  %73 = getelementptr inbounds %class.TriangleMesh, ptr %16, i32 0, i32 3
  %74 = load i32, ptr %14, align 4, !tbaa !11
  %75 = zext i32 %74 to i64
  %76 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI8TriangleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %73, i64 noundef %75) #3
  invoke void @_ZNSt6vectorI8TriangleSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr noundef nonnull align 4 dereferenceable(12) %76)
          to label %77 unwind label %82

77:                                               ; preds = %72
  br label %86

78:                                               ; preds = %61
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %8, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #3
  br label %90

82:                                               ; preds = %72
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %8, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %9, align 4
  br label %90

86:                                               ; preds = %77, %65
  br label %87

87:                                               ; preds = %86
  %88 = load i32, ptr %14, align 4, !tbaa !11
  %89 = add i32 %88, 1
  store i32 %89, ptr %14, align 4, !tbaa !11
  br label %54, !llvm.loop !15

90:                                               ; preds = %82, %78
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  br label %99

91:                                               ; preds = %60
  %92 = getelementptr inbounds %class.TriangleMesh, ptr %16, i32 0, i32 3
  %93 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorI8TriangleSaIS0_EEaSERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %92, ptr noundef nonnull align 8 dereferenceable(24) %13)
          to label %94 unwind label %95

94:                                               ; preds = %91
  call void @_ZNSt6vectorI8TriangleSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #3
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #3
  call void @llvm.lifetime.end.p0(i64 40, ptr %5) #3
  ret void

95:                                               ; preds = %91
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %8, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %9, align 4
  br label %99

99:                                               ; preds = %95, %90
  call void @_ZNSt6vectorI8TriangleSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #3
  br label %100

100:                                              ; preds = %99, %49
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #3
  br label %101

101:                                              ; preds = %100, %27
  call void @llvm.lifetime.end.p0(i64 40, ptr %5) #3
  br label %102

102:                                              ; preds = %101
  %103 = load ptr, ptr %8, align 8
  %104 = load i32, ptr %9, align 4
  %105 = insertvalue { ptr, i32 } poison, ptr %103, 0
  %106 = insertvalue { ptr, i32 } %105, i32 %104, 1
  resume { ptr, i32 } %106
}

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 = !{!"bool", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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.27" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.31" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<Triangle, std::allocator<Triangle>>::_Vector_impl" }
%"struct.std::_Vector_base<Triangle, std::allocator<Triangle>>::_Vector_impl" = type { %"struct.std::_Vector_base<Triangle, std::allocator<Triangle>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Triangle, std::allocator<Triangle>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI8TriangleSaIS0_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 @_ZNSt6vectorI8TriangleSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI8TriangleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_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 uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorI8TriangleSaIS0_EEaSERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI8TriangleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI8TriangleSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2 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 uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12TriangleMesh15removeTrianglesERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::vector.27", align 8
  %4 = alloca i8, align 1
  %5 = alloca %"class.std::allocator.31", align 1
  %6 = alloca %"struct.std::_Bit_reference", align 8
  %7 = alloca %"class.std::vector.0", align 8
  %8 = alloca %"struct.std::_Bit_reference", align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %3) #3
  %9 = getelementptr inbounds i8, ptr %0, i64 72
  %10 = tail call noundef i64 @_ZNKSt6vectorI8TriangleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #3
  store i8 0, ptr %4, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #3
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %10, ptr noundef nonnull align 1 dereferenceable(1) %4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %11 unwind label %16

11:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  %12 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #3
  %.not = icmp eq i64 %12, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %11
  %13 = getelementptr inbounds i8, ptr %6, i64 8
  br label %18

._crit_edge:                                      ; preds = %24, %11
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #3
  call void @_ZNSt6vectorI8TriangleSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  %14 = call noundef i64 @_ZNKSt6vectorI8TriangleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  %.not30 = icmp eq i64 %14, 0
  br i1 %.not30, label %._crit_edge29, label %.lr.ph28

.lr.ph28:                                         ; preds = %._crit_edge
  %15 = getelementptr inbounds i8, ptr %8, i64 8
  br label %35

16:                                               ; preds = %2
  %17 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  br label %58

18:                                               ; preds = %.lr.ph, %24
  %19 = phi i64 [ 0, %.lr.ph ], [ %29, %24 ]
  %.01325 = phi i32 [ 0, %.lr.ph ], [ %28, %24 ]
  %20 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %19) #3
  %21 = load i32, ptr %20, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #3
  %22 = sext i32 %21 to i64
  %23 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %22)
          to label %24 unwind label %32

24:                                               ; preds = %18
  %25 = extractvalue { ptr, i64 } %23, 0
  store ptr %25, ptr %6, align 8
  %26 = extractvalue { ptr, i64 } %23, 1
  store i64 %26, ptr %13, align 8
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %6, i1 noundef zeroext true) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #3
  %28 = add i32 %.01325, 1
  %29 = zext i32 %28 to i64
  %30 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #3
  %31 = icmp ugt i64 %30, %29
  br i1 %31, label %18, label %._crit_edge, !llvm.loop !11

32:                                               ; preds = %18
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #3
  br label %57

._crit_edge29:                                    ; preds = %48, %._crit_edge
  %34 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorI8TriangleSaIS0_EEaSERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(24) %7)
          to label %53 unwind label %54

35:                                               ; preds = %.lr.ph28, %48
  %36 = phi i64 [ 0, %.lr.ph28 ], [ %50, %48 ]
  %.026 = phi i32 [ 0, %.lr.ph28 ], [ %49, %48 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #3
  %37 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %36)
          to label %38 unwind label %44

38:                                               ; preds = %35
  %39 = extractvalue { ptr, i64 } %37, 0
  store ptr %39, ptr %8, align 8
  %40 = extractvalue { ptr, i64 } %37, 1
  store i64 %40, ptr %15, align 8
  %41 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %8) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #3
  br i1 %41, label %48, label %42

42:                                               ; preds = %38
  %43 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI8TriangleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %36) #3
  invoke void @_ZNSt6vectorI8TriangleSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(12) %43)
          to label %48 unwind label %46

44:                                               ; preds = %35
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #3
  br label %56

46:                                               ; preds = %42
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %56

48:                                               ; preds = %38, %42
  %49 = add i32 %.026, 1
  %50 = zext i32 %49 to i64
  %51 = call noundef i64 @_ZNKSt6vectorI8TriangleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  %52 = icmp ugt i64 %51, %50
  br i1 %52, label %35, label %._crit_edge29, !llvm.loop !13

53:                                               ; preds = %._crit_edge29
  call void @_ZNSt6vectorI8TriangleSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #3
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #3
  ret void

54:                                               ; preds = %._crit_edge29
  %55 = landingpad { ptr, i32 }
          cleanup
  br label %56

56:                                               ; preds = %44, %46, %54
  %.pn.pn = phi { ptr, i32 } [ %55, %54 ], [ %47, %46 ], [ %45, %44 ]
  call void @_ZNSt6vectorI8TriangleSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  br label %57

57:                                               ; preds = %56, %32
  %.pn22 = phi { ptr, i32 } [ %33, %32 ], [ %.pn.pn, %56 ]
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #3
  br label %58

58:                                               ; preds = %57, %16
  %.pn22.pn = phi { ptr, i32 } [ %.pn22, %57 ], [ %17, %16 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #3
  resume { ptr, i32 } %.pn22.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 = !{!6, !6, i64 0}
!6 = !{!"bool", !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}


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