; LLVM IR from jianboqi/CSF :: src/Cloth.ll (ZN5Cloth8addForceE4Vec3)

; 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.Vec3 = type { [3 x double] }
%class.Cloth = type { i32, i32, double, %"class.std::vector", double, double, %class.Vec3, double, double, %"class.std::vector.0", i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<Particle, std::allocator<Particle>>::_Vector_impl" }
%"struct.std::_Vector_base<Particle, std::allocator<Particle>>::_Vector_impl" = type { %"struct.std::_Vector_base<Particle, std::allocator<Particle>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Particle, std::allocator<Particle>>::_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<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 }

; 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

; 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 noundef nonnull align 8 dereferenceable(216) ptr @_ZNSt6vectorI8ParticleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #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 i64 @_ZNKSt6vectorI8ParticleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5Cloth8addForceE4Vec3(ptr noundef nonnull align 8 dereferenceable(128) %0, ptr noundef byval(%class.Vec3) align 8 %1) #3 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca %class.Vec3, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  store i64 0, ptr %4, align 8, !tbaa !9
  br label %7

7:                                                ; preds = %17, %2
  %8 = load i64, ptr %4, align 8, !tbaa !9
  %9 = getelementptr inbounds %class.Cloth, ptr %6, i32 0, i32 3
  %10 = call noundef i64 @_ZNKSt6vectorI8ParticleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  %11 = icmp ult i64 %8, %10
  br i1 %11, label %13, label %12

12:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  br label %20

13:                                               ; preds = %7
  %14 = getelementptr inbounds %class.Cloth, ptr %6, i32 0, i32 3
  %15 = load i64, ptr %4, align 8, !tbaa !9
  %16 = call noundef nonnull align 8 dereferenceable(216) ptr @_ZNSt6vectorI8ParticleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %15) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %5, ptr align 8 %1, i64 24, i1 false), !tbaa.struct !11
  call void @_ZN8Particle8addForceE4Vec3(ptr noundef nonnull align 8 dereferenceable(216) %16, ptr noundef byval(%class.Vec3) align 8 %5)
  br label %17

17:                                               ; preds = %13
  %18 = load i64, ptr %4, align 8, !tbaa !9
  %19 = add i64 %18, 1
  store i64 %19, ptr %4, align 8, !tbaa !9
  br label %7, !llvm.loop !13

20:                                               ; preds = %12
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8Particle8addForceE4Vec3(ptr noundef nonnull align 8 dereferenceable(216), ptr noundef byval(%class.Vec3) align 8) #3 align 2

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{i64 0, i64 24, !12}
!12 = !{!7, !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.Vec3 = type { [3 x double] }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZNSt6vectorI8ParticleSaIS0_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 @_ZNKSt6vectorI8ParticleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5Cloth8addForceE4Vec3(ptr noundef nonnull align 8 dereferenceable(128) %0, ptr nocapture noundef readonly byval(%class.Vec3) align 8 %1) local_unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = tail call noundef i64 @_ZNKSt6vectorI8ParticleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %2
  ret void

.lr.ph:                                           ; preds = %2, %.lr.ph
  %.03 = phi i64 [ %6, %.lr.ph ], [ 0, %2 ]
  %5 = tail call noundef nonnull align 8 dereferenceable(216) ptr @_ZNSt6vectorI8ParticleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.03) #2
  tail call void @_ZN8Particle8addForceE4Vec3(ptr noundef nonnull align 8 dereferenceable(216) %5, ptr noundef nonnull byval(%class.Vec3) align 8 %1)
  %6 = add nuw i64 %.03, 1
  %7 = tail call noundef i64 @_ZNKSt6vectorI8ParticleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %8 = icmp ult i64 %6, %7
  br i1 %8, label %.lr.ph, label %._crit_edge, !llvm.loop !5
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8Particle8addForceE4Vec3(ptr noundef nonnull align 8 dereferenceable(216), ptr noundef byval(%class.Vec3) align 8) local_unnamed_addr #1 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 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 = { 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"}


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