; LLVM IR from imeplusplus/icpc-notebook :: geometry/lines.ll (Z18ray_line_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 @_Z2geee(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 noundef x86_fp80 @_Z3dot5pointS_(ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) #0

; 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 noundef x86_fp80 @_ZN5point5dist2ES_(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 @_Z15lines_intersect5pointS_S_S_(ptr dead_on_unwind noalias writable sret(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z19line_line_intersect5pointS_S_S_(ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) #3

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z18ray_line_intersect5pointS_S_S_(ptr noundef byval(%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) #3 {
  %5 = alloca i1, align 1
  %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 %struct.point, align 16
  %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
  %21 = alloca %struct.point, align 16
  %22 = alloca %struct.point, align 16
  %23 = alloca i32, align 4
  %24 = alloca %struct.point, align 16
  %25 = alloca %struct.point, align 16
  %26 = alloca %struct.point, align 16
  %27 = alloca %struct.point, align 16
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %6, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  %28 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef byval(%struct.point) align 16 %6)
  %29 = fcmp olt x86_fp80 %28, 0xK3FE189705F4136B4A800
  br i1 %29, label %39, label %30

30:                                               ; preds = %4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %7, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  %31 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef byval(%struct.point) align 16 %7)
  %32 = fcmp olt x86_fp80 %31, 0xK3FE189705F4136B4A800
  br i1 %32, label %39, label %33

33:                                               ; preds = %30
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %8, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  %34 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef byval(%struct.point) align 16 %8)
  %35 = fcmp olt x86_fp80 %34, 0xK3FE189705F4136B4A800
  br i1 %35, label %39, label %36

36:                                               ; preds = %33
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %9, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  %37 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef byval(%struct.point) align 16 %9)
  %38 = fcmp olt x86_fp80 %37, 0xK3FE189705F4136B4A800
  br i1 %38, label %39, label %40

39:                                               ; preds = %36, %33, %30, %4
  store i1 true, ptr %5, align 1
  br label %52

40:                                               ; preds = %36
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %10, ptr align 16 %0, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %11, ptr align 16 %1, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %12, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %13, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  %41 = call noundef zeroext i1 @_Z19line_line_intersect5pointS_S_S_(ptr noundef byval(%struct.point) align 16 %10, ptr noundef byval(%struct.point) align 16 %11, ptr noundef byval(%struct.point) align 16 %12, ptr noundef byval(%struct.point) align 16 %13)
  br i1 %41, label %43, label %42

42:                                               ; preds = %40
  store i1 false, ptr %5, align 1
  br label %52

43:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %15, ptr align 16 %0, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %16, ptr align 16 %1, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %17, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %18, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  call void @_Z15lines_intersect5pointS_S_S_(ptr dead_on_unwind writable sret(%struct.point) align 16 %14, ptr noundef byval(%struct.point) align 16 %15, ptr noundef byval(%struct.point) align 16 %16, ptr noundef byval(%struct.point) align 16 %17, ptr noundef byval(%struct.point) align 16 %18)
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %19, ptr align 16 %0, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %20, ptr align 16 %1, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %21, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %22, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  %44 = call noundef zeroext i1 @_Z19line_line_intersect5pointS_S_S_(ptr noundef byval(%struct.point) align 16 %19, ptr noundef byval(%struct.point) align 16 %20, ptr noundef byval(%struct.point) align 16 %21, ptr noundef byval(%struct.point) align 16 %22)
  br i1 %44, label %46, label %45

45:                                               ; preds = %43
  store i1 false, ptr %5, align 1
  store i32 1, ptr %23, align 4
  br label %51

46:                                               ; preds = %43
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %25, ptr align 16 %0, i64 32, i1 false), !tbaa.struct !5
  call void @_ZN5pointmiES_(ptr dead_on_unwind writable sret(%struct.point) align 16 %24, ptr noundef nonnull align 16 dereferenceable(32) %14, ptr noundef byval(%struct.point) align 16 %25)
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %27, ptr align 16 %0, i64 32, i1 false), !tbaa.struct !5
  call void @_ZN5pointmiES_(ptr dead_on_unwind writable sret(%struct.point) align 16 %26, ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef byval(%struct.point) align 16 %27)
  %47 = call noundef x86_fp80 @_Z3dot5pointS_(ptr noundef byval(%struct.point) align 16 %24, ptr noundef byval(%struct.point) align 16 %26)
  %48 = call noundef zeroext i1 @_Z2geee(x86_fp80 noundef %47, x86_fp80 noundef 0xK00000000000000000000)
  br i1 %48, label %49, label %50

49:                                               ; preds = %46
  store i1 true, ptr %5, align 1
  store i32 1, ptr %23, align 4
  br label %51

50:                                               ; preds = %46
  store i1 false, ptr %5, align 1
  store i32 1, ptr %23, align 4
  br label %51

51:                                               ; preds = %50, %49, %45
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #4
  br label %52

52:                                               ; preds = %51, %42, %39
  %53 = load i1, ptr %5, align 1
  ret i1 %53
}

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"}


; 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 @_Z2geee(x86_fp80 noundef, x86_fp80 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_Z3dot5pointS_(ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) local_unnamed_addr #0

; 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 noundef x86_fp80 @_ZN5point5dist2ES_(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 @_Z15lines_intersect5pointS_S_S_(ptr dead_on_unwind noalias writable sret(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z19line_line_intersect5pointS_S_S_(ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z18ray_line_intersect5pointS_S_S_(ptr noundef nonnull byval(%struct.point) align 16 %0, ptr noundef byval(%struct.point) align 16 %1, ptr nocapture noundef readonly byval(%struct.point) align 16 %2, ptr nocapture noundef readonly byval(%struct.point) align 16 %3) local_unnamed_addr #2 {
  %5 = alloca %struct.point, align 16
  %6 = alloca %struct.point, align 16
  %7 = alloca %struct.point, align 16
  %8 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef nonnull byval(%struct.point) align 16 %2)
  %9 = fcmp olt x86_fp80 %8, 0xK3FE189705F4136B4A800
  br i1 %9, label %27, label %10

10:                                               ; preds = %4
  %11 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef nonnull byval(%struct.point) align 16 %3)
  %12 = fcmp olt x86_fp80 %11, 0xK3FE189705F4136B4A800
  br i1 %12, label %27, label %13

13:                                               ; preds = %10
  %14 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef nonnull byval(%struct.point) align 16 %2)
  %15 = fcmp olt x86_fp80 %14, 0xK3FE189705F4136B4A800
  br i1 %15, label %27, label %16

16:                                               ; preds = %13
  %17 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef nonnull byval(%struct.point) align 16 %3)
  %18 = fcmp olt x86_fp80 %17, 0xK3FE189705F4136B4A800
  br i1 %18, label %27, label %19

19:                                               ; preds = %16
  %20 = call noundef zeroext i1 @_Z19line_line_intersect5pointS_S_S_(ptr noundef nonnull byval(%struct.point) align 16 %0, ptr noundef nonnull byval(%struct.point) align 16 %1, ptr noundef nonnull byval(%struct.point) align 16 %2, ptr noundef nonnull byval(%struct.point) align 16 %3)
  br i1 %20, label %21, label %27

21:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #3
  call void @_Z15lines_intersect5pointS_S_S_(ptr dead_on_unwind nonnull writable sret(%struct.point) align 16 %5, ptr noundef nonnull byval(%struct.point) align 16 %0, ptr noundef nonnull byval(%struct.point) align 16 %1, ptr noundef nonnull byval(%struct.point) align 16 %2, ptr noundef nonnull byval(%struct.point) align 16 %3)
  %22 = call noundef zeroext i1 @_Z19line_line_intersect5pointS_S_S_(ptr noundef nonnull byval(%struct.point) align 16 %0, ptr noundef nonnull byval(%struct.point) align 16 %1, ptr noundef nonnull byval(%struct.point) align 16 %2, ptr noundef nonnull byval(%struct.point) align 16 %3)
  br i1 %22, label %23, label %26

23:                                               ; preds = %21
  call void @_ZN5pointmiES_(ptr dead_on_unwind nonnull writable sret(%struct.point) align 16 %6, ptr noundef nonnull align 16 dereferenceable(32) %5, ptr noundef nonnull byval(%struct.point) align 16 %0)
  call void @_ZN5pointmiES_(ptr dead_on_unwind nonnull writable sret(%struct.point) align 16 %7, ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef nonnull byval(%struct.point) align 16 %0)
  %24 = call noundef x86_fp80 @_Z3dot5pointS_(ptr noundef nonnull byval(%struct.point) align 16 %6, ptr noundef nonnull byval(%struct.point) align 16 %7)
  %25 = call noundef zeroext i1 @_Z2geee(x86_fp80 noundef %24, x86_fp80 noundef 0xK00000000000000000000)
  br label %26

26:                                               ; preds = %23, %21
  %.0 = phi i1 [ false, %21 ], [ %25, %23 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  br label %27

27:                                               ; preds = %19, %4, %10, %13, %16, %26
  %.1 = phi i1 [ %.0, %26 ], [ true, %16 ], [ true, %13 ], [ true, %10 ], [ true, %4 ], [ false, %19 ]
  ret i1 %.1
}

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)"}


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