; LLVM IR from idmillington/cyclone-physics :: src/pworld.ll (ZN7cyclone13ParticleWorld10startFrameEv)

; 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.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.cyclone::ParticleWorld" = type <{ %"class.std::vector", i8, [7 x i8], %"class.cyclone::ParticleForceRegistry", %"class.cyclone::ParticleContactResolver", %"class.std::vector.5", ptr, i32, [4 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<cyclone::Particle *, std::allocator<cyclone::Particle *>>::_Vector_impl" }
%"struct.std::_Vector_base<cyclone::Particle *, std::allocator<cyclone::Particle *>>::_Vector_impl" = type { %"struct.std::_Vector_base<cyclone::Particle *, std::allocator<cyclone::Particle *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<cyclone::Particle *, std::allocator<cyclone::Particle *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.cyclone::ParticleForceRegistry" = type { %"class.std::vector.0" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<cyclone::ParticleForceRegistry::ParticleForceRegistration, std::allocator<cyclone::ParticleForceRegistry::ParticleForceRegistration>>::_Vector_impl" }
%"struct.std::_Vector_base<cyclone::ParticleForceRegistry::ParticleForceRegistration, std::allocator<cyclone::ParticleForceRegistry::ParticleForceRegistration>>::_Vector_impl" = type { %"struct.std::_Vector_base<cyclone::ParticleForceRegistry::ParticleForceRegistration, std::allocator<cyclone::ParticleForceRegistry::ParticleForceRegistration>>::_Vector_impl_data" }
%"struct.std::_Vector_base<cyclone::ParticleForceRegistry::ParticleForceRegistration, std::allocator<cyclone::ParticleForceRegistry::ParticleForceRegistration>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.cyclone::ParticleContactResolver" = type { i32, i32 }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<cyclone::ParticleContactGenerator *, std::allocator<cyclone::ParticleContactGenerator *>>::_Vector_impl" }
%"struct.std::_Vector_base<cyclone::ParticleContactGenerator *, std::allocator<cyclone::ParticleContactGenerator *>>::_Vector_impl" = type { %"struct.std::_Vector_base<cyclone::ParticleContactGenerator *, std::allocator<cyclone::ParticleContactGenerator *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<cyclone::ParticleContactGenerator *, std::allocator<cyclone::ParticleContactGenerator *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7cyclone13ParticleWorld10startFrameEv(ptr noundef nonnull align 8 dereferenceable(100) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %7 = getelementptr inbounds %"class.cyclone::ParticleWorld", ptr %6, i32 0, i32 0
  %8 = call ptr @_ZNSt6vectorIPN7cyclone8ParticleESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  %9 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  store ptr %8, ptr %9, align 8
  br label %10

10:                                               ; preds = %19, %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %11 = getelementptr inbounds %"class.cyclone::ParticleWorld", ptr %6, i32 0, i32 0
  %12 = call ptr @_ZNSt6vectorIPN7cyclone8ParticleESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  %13 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %12, ptr %13, align 8
  %14 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br i1 %14, label %16, label %15

15:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  br label %22

16:                                               ; preds = %10
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  %18 = load ptr, ptr %17, align 8, !tbaa !5
  call void @_ZN7cyclone8Particle16clearAccumulatorEv(ptr noundef nonnull align 8 dereferenceable(144) %18)
  br label %19

19:                                               ; preds = %16
  %20 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef 0) #5
  %21 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  store ptr %20, ptr %21, align 8
  br label %10, !llvm.loop !9

22:                                               ; preds = %15
  ret void
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN7cyclone8ParticleESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN7cyclone8ParticleESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; 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 nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

declare void @_ZN7cyclone8Particle16clearAccumulatorEv(ptr noundef nonnull align 8 dereferenceable(144)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint 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 = { "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 #5 = { 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"}


; 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.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7cyclone13ParticleWorld10startFrameEv(ptr noundef nonnull align 8 dereferenceable(100) %0) local_unnamed_addr #0 align 2 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %4 = tail call ptr @_ZNSt6vectorIPN7cyclone8ParticleESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %4, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %5 = tail call ptr @_ZNSt6vectorIPN7cyclone8ParticleESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %5, ptr %3, align 8
  %6 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  ret void

.lr.ph:                                           ; preds = %1, %.lr.ph
  %7 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  call void @_ZN7cyclone8Particle16clearAccumulatorEv(ptr noundef nonnull align 8 dereferenceable(144) %8)
  %9 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef 0) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %10 = call ptr @_ZNSt6vectorIPN7cyclone8ParticleESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %10, ptr %3, align 8
  %11 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br i1 %11, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN7cyclone8ParticleESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN7cyclone8ParticleESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; 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 nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

declare void @_ZN7cyclone8Particle16clearAccumulatorEv(ptr noundef nonnull align 8 dereferenceable(144)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN7cyclone8ParticleESt6vectorIS3_SaIS3_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint 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 = { "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 #5 = { 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,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass