; LLVM IR from imeplusplus/icpc-notebook :: geometry/lines.ll (Z15lines_intersect5pointS_S_S_)

; 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 { x86_fp80, x86_fp80 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z2eqee(x86_fp80 noundef, x86_fp80 noundef) #0

; 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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32), x86_fp80 noundef, x86_fp80 noundef) unnamed_addr #0 align 2

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5pointmiES_(ptr dead_on_unwind noalias writable sret(%struct.point) align 16, ptr noundef nonnull align 16 dereferenceable(32), ptr noundef byval(%struct.point) align 16) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5pointdvEe(ptr dead_on_unwind noalias writable sret(%struct.point) align 16, ptr noundef nonnull align 16 dereferenceable(32), x86_fp80 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z15lines_intersect5pointS_S_S_(ptr dead_on_unwind noalias writable sret(%struct.point) align 16 %0, ptr noundef byval(%struct.point) align 16 %1, ptr noundef byval(%struct.point) align 16 %2, ptr noundef byval(%struct.point) align 16 %3, ptr noundef byval(%struct.point) align 16 %4) #3 {
  %6 = alloca %struct.point, align 16
  %7 = alloca %struct.point, align 16
  %8 = alloca %struct.point, align 16
  %9 = alloca %struct.point, align 16
  %10 = alloca %struct.point, align 16
  %11 = alloca %struct.point, align 16
  %12 = alloca %struct.point, align 16
  %13 = alloca %struct.point, align 16
  %14 = alloca i32, align 4
  %15 = alloca %struct.point, align 16
  %16 = alloca %struct.point, align 16
  %17 = alloca %struct.point, align 16
  %18 = alloca %struct.point, align 16
  %19 = alloca %struct.point, align 16
  %20 = alloca %struct.point, align 16
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %7, ptr align 16 %1, i64 32, i1 false), !tbaa.struct !5
  call void @_ZN5pointmiES_(ptr dead_on_unwind writable sret(%struct.point) align 16 %6, ptr noundef nonnull align 16 dereferenceable(32) %2, ptr noundef byval(%struct.point) align 16 %7)
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %9, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  call void @_ZN5pointmiES_(ptr dead_on_unwind writable sret(%struct.point) align 16 %8, ptr noundef nonnull align 16 dereferenceable(32) %4, ptr noundef byval(%struct.point) align 16 %9)
  call void @llvm.lifetime.start.p0(i64 32, ptr %10) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %11, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  %21 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef byval(%struct.point) align 16 %11)
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %12, ptr align 16 %4, i64 32, i1 false), !tbaa.struct !5
  %22 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %3, ptr noundef byval(%struct.point) align 16 %12)
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %10, x86_fp80 noundef %21, x86_fp80 noundef %22)
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %13, ptr align 16 %8, i64 32, i1 false), !tbaa.struct !5
  %23 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %6, ptr noundef byval(%struct.point) align 16 %13)
  %24 = call noundef zeroext i1 @_Z2eqee(x86_fp80 noundef %23, x86_fp80 noundef 0xK00000000000000000000)
  br i1 %24, label %25, label %26

25:                                               ; preds = %5
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %0, x86_fp80 noundef 0xK403CFCFCFCFCFCFCFCFC, x86_fp80 noundef 0xK403CFCFCFCFCFCFCFCFC)
  store i32 1, ptr %14, align 4
  br label %38

26:                                               ; preds = %5
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %16) #4
  %27 = getelementptr inbounds %struct.point, ptr %6, i32 0, i32 0
  %28 = load x86_fp80, ptr %27, align 16, !tbaa !10
  %29 = getelementptr inbounds %struct.point, ptr %8, i32 0, i32 0
  %30 = load x86_fp80, ptr %29, align 16, !tbaa !10
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %16, x86_fp80 noundef %28, x86_fp80 noundef %30)
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %17, ptr align 16 %10, i64 32, i1 false), !tbaa.struct !5
  %31 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %16, ptr noundef byval(%struct.point) align 16 %17)
  call void @llvm.lifetime.start.p0(i64 32, ptr %18) #4
  %32 = getelementptr inbounds %struct.point, ptr %6, i32 0, i32 1
  %33 = load x86_fp80, ptr %32, align 16, !tbaa !12
  %34 = getelementptr inbounds %struct.point, ptr %8, i32 0, i32 1
  %35 = load x86_fp80, ptr %34, align 16, !tbaa !12
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %18, x86_fp80 noundef %33, x86_fp80 noundef %35)
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %19, ptr align 16 %10, i64 32, i1 false), !tbaa.struct !5
  %36 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %18, ptr noundef byval(%struct.point) align 16 %19)
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %15, x86_fp80 noundef %31, x86_fp80 noundef %36)
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %20, ptr align 16 %8, i64 32, i1 false), !tbaa.struct !5
  %37 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %6, ptr noundef byval(%struct.point) align 16 %20)
  call void @_ZN5pointdvEe(ptr dead_on_unwind writable sret(%struct.point) align 16 %0, ptr noundef nonnull align 16 dereferenceable(32) %15, x86_fp80 noundef %37)
  call void @llvm.lifetime.end.p0(i64 32, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #4
  store i32 1, ptr %14, align 4
  br label %38

38:                                               ; preds = %26, %25
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32), ptr noundef byval(%struct.point) align 16) #0 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{i64 0, i64 16, !6, i64 16, i64 16, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"long double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !7, i64 0}
!11 = !{!"_ZTS5point", !7, i64 0, !7, i64 16}
!12 = !{!11, !7, i64 16}


; 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 { x86_fp80, x86_fp80 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z2eqee(x86_fp80 noundef, x86_fp80 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32), x86_fp80 noundef, x86_fp80 noundef) unnamed_addr #0 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5pointmiES_(ptr dead_on_unwind noalias writable sret(%struct.point) align 16, ptr noundef nonnull align 16 dereferenceable(32), ptr noundef byval(%struct.point) align 16) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5pointdvEe(ptr dead_on_unwind noalias writable sret(%struct.point) align 16, ptr noundef nonnull align 16 dereferenceable(32), x86_fp80 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z15lines_intersect5pointS_S_S_(ptr dead_on_unwind noalias writable sret(%struct.point) align 16 %0, ptr noundef byval(%struct.point) align 16 %1, ptr noundef nonnull byval(%struct.point) align 16 %2, ptr noundef byval(%struct.point) align 16 %3, ptr noundef byval(%struct.point) align 16 %4) local_unnamed_addr #2 {
  %6 = alloca %struct.point, align 16
  %7 = alloca %struct.point, align 16
  %8 = alloca %struct.point, align 16
  %9 = alloca %struct.point, align 16
  %10 = alloca %struct.point, align 16
  %11 = alloca %struct.point, align 16
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #3
  call void @_ZN5pointmiES_(ptr dead_on_unwind nonnull writable sret(%struct.point) align 16 %6, ptr noundef nonnull align 16 dereferenceable(32) %2, ptr noundef nonnull byval(%struct.point) align 16 %1)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #3
  call void @_ZN5pointmiES_(ptr dead_on_unwind nonnull writable sret(%struct.point) align 16 %7, ptr noundef nonnull align 16 dereferenceable(32) %4, ptr noundef nonnull byval(%struct.point) align 16 %3)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #3
  %12 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef nonnull byval(%struct.point) align 16 %2)
  %13 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %3, ptr noundef nonnull byval(%struct.point) align 16 %4)
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %8, x86_fp80 noundef %12, x86_fp80 noundef %13)
  %14 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %6, ptr noundef nonnull byval(%struct.point) align 16 %7)
  %15 = call noundef zeroext i1 @_Z2eqee(x86_fp80 noundef %14, x86_fp80 noundef 0xK00000000000000000000)
  br i1 %15, label %16, label %17

16:                                               ; preds = %5
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %0, x86_fp80 noundef 0xK403CFCFCFCFCFCFCFCFC, x86_fp80 noundef 0xK403CFCFCFCFCFCFCFCFC)
  br label %27

17:                                               ; preds = %5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %9) #3
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %10) #3
  %18 = load x86_fp80, ptr %6, align 16, !tbaa !5
  %19 = load x86_fp80, ptr %7, align 16, !tbaa !5
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %10, x86_fp80 noundef %18, x86_fp80 noundef %19)
  %20 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %10, ptr noundef nonnull byval(%struct.point) align 16 %8)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %11) #3
  %21 = getelementptr inbounds i8, ptr %6, i64 16
  %22 = load x86_fp80, ptr %21, align 16, !tbaa !10
  %23 = getelementptr inbounds i8, ptr %7, i64 16
  %24 = load x86_fp80, ptr %23, align 16, !tbaa !10
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %11, x86_fp80 noundef %22, x86_fp80 noundef %24)
  %25 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %11, ptr noundef nonnull byval(%struct.point) align 16 %8)
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %9, x86_fp80 noundef %20, x86_fp80 noundef %25)
  %26 = call noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32) %6, ptr noundef nonnull byval(%struct.point) align 16 %7)
  call void @_ZN5pointdvEe(ptr dead_on_unwind writable sret(%struct.point) align 16 %0, ptr noundef nonnull align 16 dereferenceable(32) %9, x86_fp80 noundef %26)
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %11) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #3
  br label %27

27:                                               ; preds = %17, %16
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #3
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_ZN5pointrmES_(ptr noundef nonnull align 16 dereferenceable(32), ptr noundef byval(%struct.point) align 16) local_unnamed_addr #0 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 16}
!7 = !{!"long double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 16}


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