; LLVM IR from lzyrapx/Competitive-Programming :: 51Nod/1265（计算几何）（四点共面）.ll (Z4pvec6point3S_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.point3 = type { double, double, double }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z5xmult6point3S_(ptr dead_on_unwind noalias writable sret(%struct.point3) align 8, ptr noundef byval(%struct.point3) align 8, ptr noundef byval(%struct.point3) align 8) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z4subt6point3S_(ptr dead_on_unwind noalias writable sret(%struct.point3) align 8, ptr noundef byval(%struct.point3) align 8, ptr noundef byval(%struct.point3) align 8) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z4pvec6point3S_S_(ptr dead_on_unwind noalias writable sret(%struct.point3) align 8 %0, ptr noundef byval(%struct.point3) align 8 %1, ptr noundef byval(%struct.point3) align 8 %2, ptr noundef byval(%struct.point3) align 8 %3) #0 {
  %5 = alloca %struct.point3, align 8
  %6 = alloca %struct.point3, align 8
  %7 = alloca %struct.point3, align 8
  %8 = alloca %struct.point3, align 8
  %9 = alloca %struct.point3, align 8
  %10 = alloca %struct.point3, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %6, ptr align 8 %1, i64 24, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %7, ptr align 8 %2, i64 24, i1 false), !tbaa.struct !5
  call void @_Z4subt6point3S_(ptr dead_on_unwind writable sret(%struct.point3) align 8 %5, ptr noundef byval(%struct.point3) align 8 %6, ptr noundef byval(%struct.point3) align 8 %7)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %2, i64 24, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %10, ptr align 8 %3, i64 24, i1 false), !tbaa.struct !5
  call void @_Z4subt6point3S_(ptr dead_on_unwind writable sret(%struct.point3) align 8 %8, ptr noundef byval(%struct.point3) align 8 %9, ptr noundef byval(%struct.point3) align 8 %10)
  call void @_Z5xmult6point3S_(ptr dead_on_unwind writable sret(%struct.point3) align 8 %0, ptr noundef byval(%struct.point3) align 8 %5, ptr noundef byval(%struct.point3) align 8 %8)
  ret void
}

; 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

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) }

!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 8, !6, i64 8, i64 8, !6, i64 16, i64 8, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"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.point3 = type { double, double, double }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z5xmult6point3S_(ptr dead_on_unwind noalias writable sret(%struct.point3) align 8, ptr noundef byval(%struct.point3) align 8, ptr noundef byval(%struct.point3) align 8) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z4subt6point3S_(ptr dead_on_unwind noalias writable sret(%struct.point3) align 8, ptr noundef byval(%struct.point3) align 8, ptr noundef byval(%struct.point3) align 8) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z4pvec6point3S_S_(ptr dead_on_unwind noalias writable sret(%struct.point3) align 8 %0, ptr nocapture noundef readonly byval(%struct.point3) align 8 %1, ptr nocapture noundef readonly byval(%struct.point3) align 8 %2, ptr nocapture noundef readonly byval(%struct.point3) align 8 %3) local_unnamed_addr #0 {
  %5 = alloca %struct.point3, align 8
  %6 = alloca %struct.point3, align 8
  call void @_Z4subt6point3S_(ptr dead_on_unwind nonnull writable sret(%struct.point3) align 8 %5, ptr noundef nonnull byval(%struct.point3) align 8 %1, ptr noundef nonnull byval(%struct.point3) align 8 %2)
  call void @_Z4subt6point3S_(ptr dead_on_unwind nonnull writable sret(%struct.point3) align 8 %6, ptr noundef nonnull byval(%struct.point3) align 8 %2, ptr noundef nonnull byval(%struct.point3) align 8 %3)
  call void @_Z5xmult6point3S_(ptr dead_on_unwind writable sret(%struct.point3) align 8 %0, ptr noundef nonnull byval(%struct.point3) align 8 %5, ptr noundef nonnull byval(%struct.point3) align 8 %6)
  ret void
}

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" }

!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