; LLVM IR from imeplusplus/icpc-notebook :: geometry/basics.ll (Z10angle_lessRK5pointS1_S1_S1_)

; 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: 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) #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 #1 align 2

; 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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_Z5cross5pointS_(ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z10angle_lessRK5pointS1_S1_S1_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef nonnull align 16 dereferenceable(32) %2, ptr noundef nonnull align 16 dereferenceable(32) %3) #2 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %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 i32, align 4
  %23 = alloca %struct.point, align 16
  %24 = alloca %struct.point, align 16
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %10) #5
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %11, ptr align 16 %25, i64 32, i1 false), !tbaa.struct !9
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %12, ptr align 16 %26, i64 32, i1 false), !tbaa.struct !9
  %27 = call noundef x86_fp80 @_Z3dot5pointS_(ptr noundef byval(%struct.point) align 16 %11, ptr noundef byval(%struct.point) align 16 %12)
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %13, ptr align 16 %28, i64 32, i1 false), !tbaa.struct !9
  %29 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %14, ptr align 16 %29, i64 32, i1 false), !tbaa.struct !9
  %30 = call noundef x86_fp80 @_Z5cross5pointS_(ptr noundef byval(%struct.point) align 16 %13, ptr noundef byval(%struct.point) align 16 %14)
  %31 = call noundef x86_fp80 @_ZSt3abse(x86_fp80 noundef %30)
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %10, x86_fp80 noundef %27, x86_fp80 noundef %31)
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #5
  %32 = load ptr, ptr %8, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %16, ptr align 16 %32, i64 32, i1 false), !tbaa.struct !9
  %33 = load ptr, ptr %9, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %17, ptr align 16 %33, i64 32, i1 false), !tbaa.struct !9
  %34 = call noundef x86_fp80 @_Z3dot5pointS_(ptr noundef byval(%struct.point) align 16 %16, ptr noundef byval(%struct.point) align 16 %17)
  %35 = load ptr, ptr %8, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %18, ptr align 16 %35, i64 32, i1 false), !tbaa.struct !9
  %36 = load ptr, ptr %9, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %19, ptr align 16 %36, i64 32, i1 false), !tbaa.struct !9
  %37 = call noundef x86_fp80 @_Z5cross5pointS_(ptr noundef byval(%struct.point) align 16 %18, ptr noundef byval(%struct.point) align 16 %19)
  %38 = call noundef x86_fp80 @_ZSt3abse(x86_fp80 noundef %37)
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %15, x86_fp80 noundef %34, x86_fp80 noundef %38)
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %20, ptr align 16 %10, i64 32, i1 false), !tbaa.struct !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %21, ptr align 16 %15, i64 32, i1 false), !tbaa.struct !9
  %39 = call noundef x86_fp80 @_Z5cross5pointS_(ptr noundef byval(%struct.point) align 16 %20, ptr noundef byval(%struct.point) align 16 %21)
  %40 = fcmp olt x86_fp80 %39, 0xK00000000000000000000
  br i1 %40, label %41, label %42

41:                                               ; preds = %4
  store i32 1, ptr %5, align 4
  store i32 1, ptr %22, align 4
  br label %47

42:                                               ; preds = %4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %23, ptr align 16 %10, i64 32, i1 false), !tbaa.struct !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %24, ptr align 16 %15, i64 32, i1 false), !tbaa.struct !9
  %43 = call noundef x86_fp80 @_Z5cross5pointS_(ptr noundef byval(%struct.point) align 16 %23, ptr noundef byval(%struct.point) align 16 %24)
  %44 = fcmp ogt x86_fp80 %43, 0xK00000000000000000000
  br i1 %44, label %45, label %46

45:                                               ; preds = %42
  store i32 -1, ptr %5, align 4
  store i32 1, ptr %22, align 4
  br label %47

46:                                               ; preds = %42
  store i32 0, ptr %5, align 4
  store i32 1, ptr %22, align 4
  br label %47

47:                                               ; preds = %46, %45, %41
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #5
  %48 = load i32, ptr %5, align 4
  ret i32 %48
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_ZSt3abse(x86_fp80 noundef) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { inlinehint 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 #5 = { 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 = !{i64 0, i64 16, !10, i64 16, i64 16, !10}
!10 = !{!11, !11, i64 0}
!11 = !{!"long double", !7, 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 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 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 nounwind uwtable
declare dso_local noundef x86_fp80 @_Z5cross5pointS_(ptr noundef byval(%struct.point) align 16, ptr noundef byval(%struct.point) align 16) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef range(i32 -1, 2) i32 @_Z10angle_lessRK5pointS1_S1_S1_(ptr nocapture noundef nonnull readonly align 16 dereferenceable(32) %0, ptr nocapture noundef nonnull readonly align 16 dereferenceable(32) %1, ptr nocapture noundef nonnull readonly align 16 dereferenceable(32) %2, ptr nocapture noundef nonnull readonly align 16 dereferenceable(32) %3) local_unnamed_addr #0 {
  %5 = alloca %struct.point, align 16
  %6 = alloca %struct.point, align 16
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #3
  %7 = tail call noundef x86_fp80 @_Z3dot5pointS_(ptr noundef nonnull byval(%struct.point) align 16 %0, ptr noundef nonnull byval(%struct.point) align 16 %1)
  %8 = tail call noundef x86_fp80 @_Z5cross5pointS_(ptr noundef nonnull byval(%struct.point) align 16 %0, ptr noundef nonnull byval(%struct.point) align 16 %1)
  %9 = tail call noundef x86_fp80 @_ZSt3abse(x86_fp80 noundef %8)
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %5, x86_fp80 noundef %7, x86_fp80 noundef %9)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #3
  %10 = call noundef x86_fp80 @_Z3dot5pointS_(ptr noundef nonnull byval(%struct.point) align 16 %2, ptr noundef nonnull byval(%struct.point) align 16 %3)
  %11 = call noundef x86_fp80 @_Z5cross5pointS_(ptr noundef nonnull byval(%struct.point) align 16 %2, ptr noundef nonnull byval(%struct.point) align 16 %3)
  %12 = call noundef x86_fp80 @_ZSt3abse(x86_fp80 noundef %11)
  call void @_ZN5pointC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %6, x86_fp80 noundef %10, x86_fp80 noundef %12)
  %13 = call noundef x86_fp80 @_Z5cross5pointS_(ptr noundef nonnull byval(%struct.point) align 16 %5, ptr noundef nonnull byval(%struct.point) align 16 %6)
  %14 = fcmp olt x86_fp80 %13, 0xK00000000000000000000
  br i1 %14, label %18, label %15

15:                                               ; preds = %4
  %16 = call noundef x86_fp80 @_Z5cross5pointS_(ptr noundef nonnull byval(%struct.point) align 16 %5, ptr noundef nonnull byval(%struct.point) align 16 %6)
  %17 = fcmp ogt x86_fp80 %16, 0xK00000000000000000000
  %. = sext i1 %17 to i32
  br label %18

18:                                               ; preds = %15, %4
  %.0 = phi i32 [ 1, %4 ], [ %., %15 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  ret i32 %.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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_ZSt3abse(x86_fp80 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { inlinehint 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 #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,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass