; LLVM IR from imeplusplus/icpc-notebook :: geometry/lines.ll (Z25segment_segment_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 uwtable
declare dso_local noundef i32 @_Z9direction5pointS_S_(ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) #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: 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 noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32), ptr noundef byval(%struct.point) align 16) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z25segment_segment_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) #0 {
  %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 i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %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 %struct.point, align 16
  %24 = alloca %struct.point, align 16
  %25 = alloca %struct.point, align 16
  %26 = alloca i32, align 4
  %27 = alloca %struct.point, align 16
  %28 = alloca %struct.point, align 16
  %29 = alloca %struct.point, align 16
  %30 = alloca %struct.point, align 16
  %31 = alloca %struct.point, align 16
  %32 = alloca %struct.point, align 16
  %33 = alloca %struct.point, align 16
  %34 = 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
  %35 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef byval(%struct.point) align 16 %6)
  %36 = fcmp olt x86_fp80 %35, 0xK3FE189705F4136B4A800
  br i1 %36, label %46, label %37

37:                                               ; preds = %4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %7, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  %38 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef byval(%struct.point) align 16 %7)
  %39 = fcmp olt x86_fp80 %38, 0xK3FE189705F4136B4A800
  br i1 %39, label %46, label %40

40:                                               ; preds = %37
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %8, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  %41 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef byval(%struct.point) align 16 %8)
  %42 = fcmp olt x86_fp80 %41, 0xK3FE189705F4136B4A800
  br i1 %42, label %46, label %43

43:                                               ; preds = %40
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %9, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  %44 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef byval(%struct.point) align 16 %9)
  %45 = fcmp olt x86_fp80 %44, 0xK3FE189705F4136B4A800
  br i1 %45, label %46, label %47

46:                                               ; preds = %43, %40, %37, %4
  store i1 true, ptr %5, align 1
  br label %73

47:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %14, ptr align 16 %0, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %15, ptr align 16 %1, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %16, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  %48 = call noundef i32 @_Z9direction5pointS_S_(ptr noundef byval(%struct.point) align 16 %14, ptr noundef byval(%struct.point) align 16 %15, ptr noundef byval(%struct.point) align 16 %16)
  store i32 %48, ptr %10, align 4, !tbaa !10
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %17, ptr align 16 %0, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %18, ptr align 16 %1, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %19, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  %49 = call noundef i32 @_Z9direction5pointS_S_(ptr noundef byval(%struct.point) align 16 %17, ptr noundef byval(%struct.point) align 16 %18, ptr noundef byval(%struct.point) align 16 %19)
  store i32 %49, ptr %11, align 4, !tbaa !10
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %20, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %21, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %22, ptr align 16 %0, i64 32, i1 false), !tbaa.struct !5
  %50 = call noundef i32 @_Z9direction5pointS_S_(ptr noundef byval(%struct.point) align 16 %20, ptr noundef byval(%struct.point) align 16 %21, ptr noundef byval(%struct.point) align 16 %22)
  store i32 %50, ptr %12, align 4, !tbaa !10
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %23, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %24, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %25, ptr align 16 %1, i64 32, i1 false), !tbaa.struct !5
  %51 = call noundef i32 @_Z9direction5pointS_S_(ptr noundef byval(%struct.point) align 16 %23, ptr noundef byval(%struct.point) align 16 %24, ptr noundef byval(%struct.point) align 16 %25)
  store i32 %51, ptr %13, align 4, !tbaa !10
  %52 = load i32, ptr %10, align 4, !tbaa !10
  %53 = load i32, ptr %11, align 4, !tbaa !10
  %54 = mul nsw i32 %52, %53
  %55 = icmp slt i32 %54, 0
  br i1 %55, label %56, label %62

56:                                               ; preds = %47
  %57 = load i32, ptr %12, align 4, !tbaa !10
  %58 = load i32, ptr %13, align 4, !tbaa !10
  %59 = mul nsw i32 %57, %58
  %60 = icmp slt i32 %59, 0
  br i1 %60, label %61, label %62

61:                                               ; preds = %56
  store i1 true, ptr %5, align 1
  store i32 1, ptr %26, align 4
  br label %72

62:                                               ; preds = %56, %47
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %27, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %28, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  %63 = call noundef zeroext i1 @_ZN5point6on_segES_S_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef byval(%struct.point) align 16 %27, ptr noundef byval(%struct.point) align 16 %28)
  br i1 %63, label %70, label %64

64:                                               ; preds = %62
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %29, ptr align 16 %2, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %30, ptr align 16 %3, i64 32, i1 false), !tbaa.struct !5
  %65 = call noundef zeroext i1 @_ZN5point6on_segES_S_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef byval(%struct.point) align 16 %29, ptr noundef byval(%struct.point) align 16 %30)
  br i1 %65, label %70, label %66

66:                                               ; preds = %64
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %31, ptr align 16 %0, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %32, ptr align 16 %1, i64 32, i1 false), !tbaa.struct !5
  %67 = call noundef zeroext i1 @_ZN5point6on_segES_S_(ptr noundef nonnull align 16 dereferenceable(32) %2, ptr noundef byval(%struct.point) align 16 %31, ptr noundef byval(%struct.point) align 16 %32)
  br i1 %67, label %70, label %68

68:                                               ; preds = %66
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %33, ptr align 16 %0, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %34, ptr align 16 %1, i64 32, i1 false), !tbaa.struct !5
  %69 = call noundef zeroext i1 @_ZN5point6on_segES_S_(ptr noundef nonnull align 16 dereferenceable(32) %3, ptr noundef byval(%struct.point) align 16 %33, ptr noundef byval(%struct.point) align 16 %34)
  br label %70

70:                                               ; preds = %68, %66, %64, %62
  %71 = phi i1 [ true, %66 ], [ true, %64 ], [ true, %62 ], [ %69, %68 ]
  store i1 %71, ptr %5, align 1
  store i32 1, ptr %26, align 4
  br label %72

72:                                               ; preds = %70, %61
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  br label %73

73:                                               ; preds = %72, %46
  %74 = load i1, ptr %5, align 1
  ret i1 %74
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5point6on_segES_S_(ptr noundef nonnull align 16 dereferenceable(32), ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) #0 align 2

attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{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, !11, i64 0}
!11 = !{!"int", !8, 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.point = type { x86_fp80, x86_fp80 }

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z9direction5pointS_S_(ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) local_unnamed_addr #0

; 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 #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z25segment_segment_intersect5pointS_S_S_(ptr noundef nonnull 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) local_unnamed_addr #0 {
  %5 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef nonnull byval(%struct.point) align 16 %2)
  %6 = fcmp olt x86_fp80 %5, 0xK3FE189705F4136B4A800
  br i1 %6, label %33, label %7

7:                                                ; preds = %4
  %8 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef nonnull byval(%struct.point) align 16 %3)
  %9 = fcmp olt x86_fp80 %8, 0xK3FE189705F4136B4A800
  br i1 %9, label %33, label %10

10:                                               ; preds = %7
  %11 = call noundef x86_fp80 @_ZN5point5dist2ES_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef nonnull byval(%struct.point) align 16 %2)
  %12 = fcmp olt x86_fp80 %11, 0xK3FE189705F4136B4A800
  br i1 %12, label %33, 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 %3)
  %15 = fcmp olt x86_fp80 %14, 0xK3FE189705F4136B4A800
  br i1 %15, label %33, label %16

16:                                               ; preds = %13
  %17 = call noundef i32 @_Z9direction5pointS_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)
  %18 = call noundef i32 @_Z9direction5pointS_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 %3)
  %19 = call noundef i32 @_Z9direction5pointS_S_(ptr noundef nonnull byval(%struct.point) align 16 %2, ptr noundef nonnull byval(%struct.point) align 16 %3, ptr noundef nonnull byval(%struct.point) align 16 %0)
  %20 = call noundef i32 @_Z9direction5pointS_S_(ptr noundef nonnull byval(%struct.point) align 16 %2, ptr noundef nonnull byval(%struct.point) align 16 %3, ptr noundef nonnull byval(%struct.point) align 16 %1)
  %21 = mul nsw i32 %18, %17
  %22 = icmp slt i32 %21, 0
  %23 = mul nsw i32 %20, %19
  %24 = icmp slt i32 %23, 0
  %or.cond = select i1 %22, i1 %24, i1 false
  br i1 %or.cond, label %33, label %25

25:                                               ; preds = %16
  %26 = call noundef zeroext i1 @_ZN5point6on_segES_S_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef nonnull byval(%struct.point) align 16 %2, ptr noundef nonnull byval(%struct.point) align 16 %3)
  br i1 %26, label %33, label %27

27:                                               ; preds = %25
  %28 = call noundef zeroext i1 @_ZN5point6on_segES_S_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef nonnull byval(%struct.point) align 16 %2, ptr noundef nonnull byval(%struct.point) align 16 %3)
  br i1 %28, label %33, label %29

29:                                               ; preds = %27
  %30 = call noundef zeroext i1 @_ZN5point6on_segES_S_(ptr noundef nonnull align 16 dereferenceable(32) %2, ptr noundef nonnull byval(%struct.point) align 16 %0, ptr noundef nonnull byval(%struct.point) align 16 %1)
  br i1 %30, label %33, label %31

31:                                               ; preds = %29
  %32 = call noundef zeroext i1 @_ZN5point6on_segES_S_(ptr noundef nonnull align 16 dereferenceable(32) %3, ptr noundef nonnull byval(%struct.point) align 16 %0, ptr noundef nonnull byval(%struct.point) align 16 %1)
  br label %33

33:                                               ; preds = %16, %31, %29, %27, %25, %4, %7, %10, %13
  %.1 = phi i1 [ true, %13 ], [ true, %10 ], [ true, %7 ], [ true, %4 ], [ true, %16 ], [ true, %29 ], [ true, %27 ], [ true, %25 ], [ %32, %31 ]
  ret i1 %.1
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5point6on_segES_S_(ptr noundef nonnull align 16 dereferenceable(32), ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) local_unnamed_addr #0 align 2

attributes #0 = { 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" }

!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,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass