; LLVM IR from SourangshuGhosh/Fluid-Simulation-for-Computer-Graphics :: src/trianglemesh.ll (ZN12TriangleMesh6smoothEdi)

; 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.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 }
%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.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.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] }>

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN5vmath4vec3ESaIS1_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 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 @_ZNSt6vectorIiSaIiEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12TriangleMesh6smoothEdi(ptr noundef nonnull align 8 dereferenceable(232) %0, double noundef %1, i32 noundef %2) #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca double, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector.15", align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store double %1, ptr %5, align 8, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !11
  %12 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  %13 = getelementptr inbounds %class.TriangleMesh, ptr %12, i32 0, i32 0
  %14 = call noundef i64 @_ZNKSt6vectorIN5vmath4vec3ESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  invoke void @_ZNSt6vectorIiSaIiEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %14)
          to label %15 unwind label %23

15:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  store i32 0, ptr %10, align 4, !tbaa !11
  br label %16

16:                                               ; preds = %30, %15
  %17 = load i32, ptr %10, align 4, !tbaa !11
  %18 = zext i32 %17 to i64
  %19 = getelementptr inbounds %class.TriangleMesh, ptr %12, i32 0, i32 0
  %20 = call noundef i64 @_ZNKSt6vectorIN5vmath4vec3ESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #3
  %21 = icmp ult i64 %18, %20
  br i1 %21, label %27, label %22

22:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  br label %37

23:                                               ; preds = %37, %3
  %24 = landingpad { ptr, i32 }
          cleanup
  %25 = extractvalue { ptr, i32 } %24, 0
  store ptr %25, ptr %8, align 8
  %26 = extractvalue { ptr, i32 } %24, 1
  store i32 %26, ptr %9, align 4
  br label %41

27:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  %28 = load i32, ptr %10, align 4, !tbaa !11
  store i32 %28, ptr %11, align 4, !tbaa !11
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %29 unwind label %33

29:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %30

30:                                               ; preds = %29
  %31 = load i32, ptr %10, align 4, !tbaa !11
  %32 = add i32 %31, 1
  store i32 %32, ptr %10, align 4, !tbaa !11
  br label %16, !llvm.loop !13

33:                                               ; preds = %27
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %8, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  br label %41

37:                                               ; preds = %22
  %38 = load double, ptr %5, align 8, !tbaa !9
  %39 = load i32, ptr %6, align 4, !tbaa !11
  invoke void @_ZN12TriangleMesh6smoothEdiRSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232) %12, double noundef %38, i32 noundef %39, ptr noundef nonnull align 8 dereferenceable(24) %7)
          to label %40 unwind label %23

40:                                               ; preds = %37
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #3
  ret void

41:                                               ; preds = %33, %23
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #3
  br label %42

42:                                               ; preds = %41
  %43 = load ptr, ptr %8, align 8
  %44 = load i32, ptr %9, align 4
  %45 = insertvalue { ptr, i32 } poison, ptr %43, 0
  %46 = insertvalue { ptr, i32 } %45, i32 %44, 1
  resume { ptr, i32 } %46
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12TriangleMesh6smoothEdiRSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232), double noundef, i32 noundef, ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

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 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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::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 }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN5vmath4vec3ESaIS1_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 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 @_ZNSt6vectorIiSaIiEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12TriangleMesh6smoothEdi(ptr noundef nonnull align 8 dereferenceable(232) %0, double noundef %1, i32 noundef %2) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::vector.15", align 8
  %5 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  %6 = call noundef i64 @_ZNKSt6vectorIN5vmath4vec3ESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  invoke void @_ZNSt6vectorIiSaIiEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %6)
          to label %.preheader unwind label %8

.preheader:                                       ; preds = %3
  %7 = call noundef i64 @_ZNKSt6vectorIN5vmath4vec3ESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %.not = icmp eq i64 %7, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %10, %.preheader
  invoke void @_ZN12TriangleMesh6smoothEdiRSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232) %0, double noundef %1, i32 noundef %2, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %17 unwind label %8

8:                                                ; preds = %._crit_edge, %3
  %9 = landingpad { ptr, i32 }
          cleanup
  br label %18

.lr.ph:                                           ; preds = %.preheader, %10
  %.010 = phi i32 [ %11, %10 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #3
  store i32 %.010, ptr %5, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %10 unwind label %15

10:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #3
  %11 = add i32 %.010, 1
  %12 = zext i32 %11 to i64
  %13 = call noundef i64 @_ZNKSt6vectorIN5vmath4vec3ESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %14 = icmp ugt i64 %13, %12
  br i1 %14, label %.lr.ph, label %._crit_edge, !llvm.loop !9

15:                                               ; preds = %.lr.ph
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #3
  br label %18

17:                                               ; preds = %._crit_edge
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  ret void

18:                                               ; preds = %15, %8
  %.pn = phi { ptr, i32 } [ %16, %15 ], [ %9, %8 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12TriangleMesh6smoothEdiRSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(232), double noundef, i32 noundef, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

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 = !{!"int", !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,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass