; LLVM IR from mickypaganini/SSI2016-jet-clustering :: spartyjet-4.0.2_mac/External/fastjet-3.0.0/src (Voronoi)

; 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.fastjet::Site" = type { %"class.fastjet::VPoint", i32, i32 }
%"class.fastjet::VPoint" = type { double, double }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind
declare double @sqrt(double noundef) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_ZN7fastjet23VoronoiDiagramGenerator4distEPNS_4SiteES2_(ptr noundef nonnull align 8 dereferenceable(352) %0, ptr noundef %1, ptr noundef %2) #3 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca double, align 8
  %8 = alloca double, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %"class.fastjet::Site", ptr %10, i32 0, i32 0
  %12 = getelementptr inbounds %"class.fastjet::VPoint", ptr %11, i32 0, i32 0
  %13 = load double, ptr %12, align 8, !tbaa !9
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = getelementptr inbounds %"class.fastjet::Site", ptr %14, i32 0, i32 0
  %16 = getelementptr inbounds %"class.fastjet::VPoint", ptr %15, i32 0, i32 0
  %17 = load double, ptr %16, align 8, !tbaa !9
  %18 = fsub double %13, %17
  store double %18, ptr %7, align 8, !tbaa !14
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %"class.fastjet::Site", ptr %19, i32 0, i32 0
  %21 = getelementptr inbounds %"class.fastjet::VPoint", ptr %20, i32 0, i32 1
  %22 = load double, ptr %21, align 8, !tbaa !15
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = getelementptr inbounds %"class.fastjet::Site", ptr %23, i32 0, i32 0
  %25 = getelementptr inbounds %"class.fastjet::VPoint", ptr %24, i32 0, i32 1
  %26 = load double, ptr %25, align 8, !tbaa !15
  %27 = fsub double %22, %26
  store double %27, ptr %8, align 8, !tbaa !14
  %28 = load double, ptr %7, align 8, !tbaa !14
  %29 = load double, ptr %7, align 8, !tbaa !14
  %30 = load double, ptr %8, align 8, !tbaa !14
  %31 = load double, ptr %8, align 8, !tbaa !14
  %32 = fmul double %30, %31
  %33 = call double @llvm.fmuladd.f64(double %28, double %29, double %32)
  %34 = call double @sqrt(double noundef %33) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret double %34
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind "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 speculatable willreturn memory(none) }
attributes #3 = { 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 = { 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, !12, i64 0}
!10 = !{!"_ZTSN7fastjet4SiteE", !11, i64 0, !13, i64 16, !13, i64 20}
!11 = !{!"_ZTSN7fastjet6VPointE", !12, i64 0, !12, i64 8}
!12 = !{!"double", !7, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !12, i64 0}
!15 = !{!10, !12, i64 8}


; 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"

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef double @_ZN7fastjet23VoronoiDiagramGenerator4distEPNS_4SiteES2_(ptr nocapture noundef nonnull readnone align 8 dereferenceable(352) %0, ptr nocapture noundef readonly %1, ptr nocapture noundef readonly %2) local_unnamed_addr #1 align 2 {
  %4 = load double, ptr %1, align 8, !tbaa !5
  %5 = load double, ptr %2, align 8, !tbaa !5
  %6 = fsub double %4, %5
  %7 = getelementptr inbounds i8, ptr %1, i64 8
  %8 = load double, ptr %7, align 8, !tbaa !12
  %9 = getelementptr inbounds i8, ptr %2, i64 8
  %10 = load double, ptr %9, align 8, !tbaa !12
  %11 = fsub double %8, %10
  %12 = fmul double %11, %11
  %13 = tail call double @llvm.fmuladd.f64(double %6, double %6, double %12)
  %sqrt = tail call double @llvm.sqrt.f64(double %13)
  ret double %sqrt
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.sqrt.f64(double) #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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 speculatable willreturn memory(none) }

!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, !8, i64 0}
!6 = !{!"_ZTSN7fastjet4SiteE", !7, i64 0, !11, i64 16, !11, i64 20}
!7 = !{!"_ZTSN7fastjet6VPointE", !8, i64 0, !8, i64 8}
!8 = !{!"double", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!6, !8, i64 8}


; Effective O3 passes: AggressiveInstCombinePass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass