; LLVM IR from lzyrapx/Competitive-Programming :: HDUOJ/5733.ll (Z4Area6point3S_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: 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 noundef double @_Z3dis6point3S_(ptr noundef byval(%struct.point3) align 8, ptr noundef byval(%struct.point3) align 8) #1

; Function Attrs: nounwind
declare double @sqrt(double noundef) #2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_Z4Area6point3S_S_(ptr noundef byval(%struct.point3) align 8 %0, ptr noundef byval(%struct.point3) align 8 %1, ptr noundef byval(%struct.point3) align 8 %2) #1 {
  %4 = alloca double, align 8
  %5 = alloca %struct.point3, align 8
  %6 = alloca %struct.point3, align 8
  %7 = alloca double, align 8
  %8 = alloca %struct.point3, align 8
  %9 = alloca %struct.point3, align 8
  %10 = alloca double, align 8
  %11 = alloca %struct.point3, align 8
  %12 = alloca %struct.point3, align 8
  %13 = alloca double, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %5, ptr align 8 %0, i64 24, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %6, ptr align 8 %1, i64 24, i1 false), !tbaa.struct !5
  %14 = call noundef double @_Z3dis6point3S_(ptr noundef byval(%struct.point3) align 8 %5, ptr noundef byval(%struct.point3) align 8 %6)
  store double %14, ptr %4, align 8, !tbaa !6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %8, ptr align 8 %1, i64 24, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %2, i64 24, i1 false), !tbaa.struct !5
  %15 = call noundef double @_Z3dis6point3S_(ptr noundef byval(%struct.point3) align 8 %8, ptr noundef byval(%struct.point3) align 8 %9)
  store double %15, ptr %7, align 8, !tbaa !6
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %11, ptr align 8 %0, i64 24, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %12, ptr align 8 %2, i64 24, i1 false), !tbaa.struct !5
  %16 = call noundef double @_Z3dis6point3S_(ptr noundef byval(%struct.point3) align 8 %11, ptr noundef byval(%struct.point3) align 8 %12)
  store double %16, ptr %10, align 8, !tbaa !6
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %17 = load double, ptr %4, align 8, !tbaa !6
  %18 = load double, ptr %7, align 8, !tbaa !6
  %19 = fadd double %17, %18
  %20 = load double, ptr %10, align 8, !tbaa !6
  %21 = fadd double %19, %20
  %22 = fdiv double %21, 2.000000e+00
  store double %22, ptr %13, align 8, !tbaa !6
  %23 = load double, ptr %13, align 8, !tbaa !6
  %24 = load double, ptr %13, align 8, !tbaa !6
  %25 = load double, ptr %4, align 8, !tbaa !6
  %26 = fsub double %24, %25
  %27 = fmul double %23, %26
  %28 = load double, ptr %13, align 8, !tbaa !6
  %29 = load double, ptr %7, align 8, !tbaa !6
  %30 = fsub double %28, %29
  %31 = fmul double %27, %30
  %32 = load double, ptr %13, align 8, !tbaa !6
  %33 = load double, ptr %10, align 8, !tbaa !6
  %34 = fsub double %32, %33
  %35 = fmul double %31, %34
  %36 = call double @sqrt(double noundef %35) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  ret double %36
}

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

; 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 = { nounwind "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 = { 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 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 noundef double @_Z3dis6point3S_(ptr noundef byval(%struct.point3) align 8, ptr noundef byval(%struct.point3) align 8) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @sqrt(double noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_Z4Area6point3S_S_(ptr nocapture noundef readonly byval(%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) local_unnamed_addr #0 {
  %4 = tail call noundef double @_Z3dis6point3S_(ptr noundef nonnull byval(%struct.point3) align 8 %0, ptr noundef nonnull byval(%struct.point3) align 8 %1)
  %5 = tail call noundef double @_Z3dis6point3S_(ptr noundef nonnull byval(%struct.point3) align 8 %1, ptr noundef nonnull byval(%struct.point3) align 8 %2)
  %6 = tail call noundef double @_Z3dis6point3S_(ptr noundef nonnull byval(%struct.point3) align 8 %0, ptr noundef nonnull byval(%struct.point3) align 8 %2)
  %7 = fadd double %4, %5
  %8 = fadd double %7, %6
  %9 = fmul double %8, 5.000000e-01
  %10 = fsub double %9, %4
  %11 = fmul double %9, %10
  %12 = fsub double %9, %5
  %13 = fmul double %12, %11
  %14 = fsub double %9, %6
  %15 = fmul double %14, %13
  %16 = tail call double @sqrt(double noundef %15) #2
  ret double %16
}

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 nofree nounwind willreturn memory(write) "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 = { 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,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass