; LLVM IR from ADJA/algos :: Geometry/ClosestPairOfPoints.ll (Z4dist5pointS_)

; 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.point = type { double, double, i32 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_Z4dist5pointS_(ptr noundef byval(%struct.point) align 8 %0, ptr noundef byval(%struct.point) align 8 %1) #0 {
  %3 = getelementptr inbounds %struct.point, ptr %0, i32 0, i32 0
  %4 = load double, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.point, ptr %1, i32 0, i32 0
  %6 = load double, ptr %5, align 8, !tbaa !5
  %7 = fsub double %4, %6
  %8 = getelementptr inbounds %struct.point, ptr %0, i32 0, i32 0
  %9 = load double, ptr %8, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.point, ptr %1, i32 0, i32 0
  %11 = load double, ptr %10, align 8, !tbaa !5
  %12 = fsub double %9, %11
  %13 = getelementptr inbounds %struct.point, ptr %0, i32 0, i32 1
  %14 = load double, ptr %13, align 8, !tbaa !11
  %15 = getelementptr inbounds %struct.point, ptr %1, i32 0, i32 1
  %16 = load double, ptr %15, align 8, !tbaa !11
  %17 = fsub double %14, %16
  %18 = getelementptr inbounds %struct.point, ptr %0, i32 0, i32 1
  %19 = load double, ptr %18, align 8, !tbaa !11
  %20 = getelementptr inbounds %struct.point, ptr %1, i32 0, i32 1
  %21 = load double, ptr %20, align 8, !tbaa !11
  %22 = fsub double %19, %21
  %23 = fmul double %17, %22
  %24 = call double @llvm.fmuladd.f64(double %7, double %12, double %23)
  %25 = call double @sqrt(double noundef %24) #3
  ret double %25
}

; 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

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 = { 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 = { 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, !7, i64 0}
!6 = !{!"_ZTS5point", !7, i64 0, !7, i64 8, !10, i64 16}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, 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"

%struct.point = type { double, double, i32 }

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef double @_Z4dist5pointS_(ptr nocapture noundef readonly byval(%struct.point) align 8 %0, ptr nocapture noundef readonly byval(%struct.point) align 8 %1) local_unnamed_addr #0 {
  %3 = load double, ptr %0, align 8, !tbaa !5
  %4 = load double, ptr %1, align 8, !tbaa !5
  %5 = fsub double %3, %4
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = load double, ptr %6, align 8, !tbaa !11
  %8 = getelementptr inbounds i8, ptr %1, i64 8
  %9 = load double, ptr %8, align 8, !tbaa !11
  %10 = fsub double %7, %9
  %11 = fmul double %10, %10
  %12 = tail call double @llvm.fmuladd.f64(double %5, double %5, double %11)
  %sqrt = tail call double @llvm.sqrt.f64(double %12)
  ret double %sqrt
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #1

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

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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, !7, i64 0}
!6 = !{!"_ZTS5point", !7, i64 0, !7, i64 8, !10, i64 16}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 8}


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