; LLVM IR from epicf/ef :: particle.ll (ZN8Particle15update_positionEd)

; 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"

%struct.Vec3d = type { [3 x double] }
%class.Particle = type <{ ptr, i32, [4 x i8], double, double, %struct.Vec3d, %struct.Vec3d, i8, [7 x i8] }>

; 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: mustprogress uwtable
define dso_local void @_ZN8Particle15update_positionEd(ptr noundef nonnull align 8 dereferenceable(81) %0, double noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca double, align 8
  %5 = alloca %struct.Vec3d, align 8
  %6 = alloca %struct.Vec3d, align 8
  %7 = alloca %struct.Vec3d, align 8
  %8 = alloca %struct.Vec3d, align 8
  %9 = alloca %struct.Vec3d, align 8
  %10 = alloca %struct.Vec3d, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store double %1, ptr %4, align 8, !tbaa !9
  %11 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #4
  %12 = getelementptr inbounds %class.Particle, ptr %11, i32 0, i32 6
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %7, ptr align 8 %12, i64 24, i1 false), !tbaa.struct !11
  %13 = load double, ptr %4, align 8, !tbaa !9
  %14 = getelementptr inbounds %class.Particle, ptr %11, i32 0, i32 4
  %15 = load double, ptr %14, align 8, !tbaa !13
  %16 = fdiv double %13, %15
  call void @_Z18vec3d_times_scalar5Vec3dd(ptr dead_on_unwind writable sret(%struct.Vec3d) align 8 %6, ptr noundef byval(%struct.Vec3d) align 8 %7, double noundef %16)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %5, ptr align 8 %6, i64 24, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #4
  %17 = getelementptr inbounds %class.Particle, ptr %11, i32 0, i32 5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %17, i64 24, i1 false), !tbaa.struct !11
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %10, ptr align 8 %5, i64 24, i1 false), !tbaa.struct !11
  call void @_Z9vec3d_add5Vec3dS_(ptr dead_on_unwind writable sret(%struct.Vec3d) align 8 %8, ptr noundef byval(%struct.Vec3d) align 8 %9, ptr noundef byval(%struct.Vec3d) align 8 %10)
  %18 = getelementptr inbounds %class.Particle, ptr %11, i32 0, i32 5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %18, ptr align 8 %8, i64 24, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #4
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare void @_Z18vec3d_times_scalar5Vec3dd(ptr dead_on_unwind writable sret(%struct.Vec3d) align 8, ptr noundef byval(%struct.Vec3d) align 8, double noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

declare void @_Z9vec3d_add5Vec3dS_(ptr dead_on_unwind writable sret(%struct.Vec3d) align 8, ptr noundef byval(%struct.Vec3d) align 8, ptr noundef byval(%struct.Vec3d) align 8) #3

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 = !{!"double", !7, i64 0}
!11 = !{i64 0, i64 24, !12}
!12 = !{!7, !7, i64 0}
!13 = !{!14, !10, i64 24}
!14 = !{!"_ZTS8Particle", !15, i64 8, !10, i64 16, !10, i64 24, !16, i64 32, !16, i64 56, !17, i64 80}
!15 = !{!"int", !7, i64 0}
!16 = !{!"_ZTS5Vec3d", !7, i64 0}
!17 = !{!"bool", !7, i64 0}


; 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"

%struct.Vec3d = type { [3 x double] }

; Function Attrs: mustprogress 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: mustprogress uwtable
define dso_local void @_ZN8Particle15update_positionEd(ptr nocapture noundef nonnull align 8 dereferenceable(81) %0, double noundef %1) local_unnamed_addr #1 align 2 {
  %.sroa.0 = alloca [3 x double], align 8
  %3 = alloca %struct.Vec3d, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %.sroa.0)
  %4 = getelementptr inbounds i8, ptr %0, i64 56
  %5 = getelementptr inbounds i8, ptr %0, i64 24
  %6 = load double, ptr %5, align 8, !tbaa !5
  %7 = fdiv double %1, %6
  call void @_Z18vec3d_times_scalar5Vec3dd(ptr dead_on_unwind nonnull writable sret(%struct.Vec3d) align 8 %.sroa.0, ptr noundef nonnull byval(%struct.Vec3d) align 8 %4, double noundef %7)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  call void @_Z9vec3d_add5Vec3dS_(ptr dead_on_unwind nonnull writable sret(%struct.Vec3d) align 8 %3, ptr noundef nonnull byval(%struct.Vec3d) align 8 %8, ptr noundef nonnull byval(%struct.Vec3d) align 8 %.sroa.0)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(24) %3, i64 24, i1 false), !tbaa.struct !13
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %.sroa.0)
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare void @_Z18vec3d_times_scalar5Vec3dd(ptr dead_on_unwind writable sret(%struct.Vec3d) align 8, ptr noundef byval(%struct.Vec3d) align 8, double noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

declare void @_Z9vec3d_add5Vec3dS_(ptr dead_on_unwind writable sret(%struct.Vec3d) align 8, ptr noundef byval(%struct.Vec3d) align 8, ptr noundef byval(%struct.Vec3d) align 8) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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, !10, i64 24}
!6 = !{!"_ZTS8Particle", !7, i64 8, !10, i64 16, !10, i64 24, !11, i64 32, !11, i64 56, !12, i64 80}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"double", !8, i64 0}
!11 = !{!"_ZTS5Vec3d", !8, i64 0}
!12 = !{!"bool", !8, i64 0}
!13 = !{i64 0, i64 24, !14}
!14 = !{!8, !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,DSEPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass