; LLVM IR from DionysiosB/CodeForces :: 0700-0799/772B-VolatileKite.ll (Z4dist5pointS_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 { double, double }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_Z4dist5pointS_S_(double %0, double %1, double %2, double %3, double %4, double %5) #0 {
  %7 = alloca %struct.point, align 8
  %8 = alloca %struct.point, align 8
  %9 = alloca %struct.point, align 8
  %10 = alloca double, align 8
  %11 = alloca double, align 8
  %12 = alloca double, align 8
  %13 = alloca double, align 8
  %14 = getelementptr inbounds { double, double }, ptr %7, i32 0, i32 0
  store double %0, ptr %14, align 8
  %15 = getelementptr inbounds { double, double }, ptr %7, i32 0, i32 1
  store double %1, ptr %15, align 8
  %16 = getelementptr inbounds { double, double }, ptr %8, i32 0, i32 0
  store double %2, ptr %16, align 8
  %17 = getelementptr inbounds { double, double }, ptr %8, i32 0, i32 1
  store double %3, ptr %17, align 8
  %18 = getelementptr inbounds { double, double }, ptr %9, i32 0, i32 0
  store double %4, ptr %18, align 8
  %19 = getelementptr inbounds { double, double }, ptr %9, i32 0, i32 1
  store double %5, ptr %19, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %20 = getelementptr inbounds %struct.point, ptr %9, i32 0, i32 1
  %21 = load double, ptr %20, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.point, ptr %7, i32 0, i32 1
  %23 = load double, ptr %22, align 8, !tbaa !5
  %24 = fsub double %21, %23
  store double %24, ptr %10, align 8, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %25 = getelementptr inbounds %struct.point, ptr %7, i32 0, i32 0
  %26 = load double, ptr %25, align 8, !tbaa !11
  %27 = getelementptr inbounds %struct.point, ptr %9, i32 0, i32 0
  %28 = load double, ptr %27, align 8, !tbaa !11
  %29 = fsub double %26, %28
  store double %29, ptr %11, align 8, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %30 = load double, ptr %11, align 8, !tbaa !10
  %31 = fneg double %30
  %32 = getelementptr inbounds %struct.point, ptr %9, i32 0, i32 1
  %33 = load double, ptr %32, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.point, ptr %9, i32 0, i32 0
  %35 = load double, ptr %34, align 8, !tbaa !11
  %36 = load double, ptr %10, align 8, !tbaa !10
  %37 = fmul double %35, %36
  %38 = fneg double %37
  %39 = call double @llvm.fmuladd.f64(double %31, double %33, double %38)
  store double %39, ptr %12, align 8, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %40 = load double, ptr %10, align 8, !tbaa !10
  %41 = getelementptr inbounds %struct.point, ptr %8, i32 0, i32 0
  %42 = load double, ptr %41, align 8, !tbaa !11
  %43 = load double, ptr %11, align 8, !tbaa !10
  %44 = getelementptr inbounds %struct.point, ptr %8, i32 0, i32 1
  %45 = load double, ptr %44, align 8, !tbaa !5
  %46 = fmul double %43, %45
  %47 = call double @llvm.fmuladd.f64(double %40, double %42, double %46)
  %48 = load double, ptr %12, align 8, !tbaa !10
  %49 = fadd double %47, %48
  %50 = load double, ptr %10, align 8, !tbaa !10
  %51 = load double, ptr %10, align 8, !tbaa !10
  %52 = load double, ptr %11, align 8, !tbaa !10
  %53 = load double, ptr %11, align 8, !tbaa !10
  %54 = fmul double %52, %53
  %55 = call double @llvm.fmuladd.f64(double %50, double %51, double %54)
  %56 = call double @sqrt(double noundef %55) #4
  %57 = fdiv double %49, %56
  store double %57, ptr %13, align 8, !tbaa !10
  %58 = load double, ptr %13, align 8, !tbaa !10
  %59 = fcmp ogt double %58, 0.000000e+00
  br i1 %59, label %60, label %62

60:                                               ; preds = %6
  %61 = load double, ptr %13, align 8, !tbaa !10
  br label %65

62:                                               ; preds = %6
  %63 = load double, ptr %13, align 8, !tbaa !10
  %64 = fneg double %63
  br label %65

65:                                               ; preds = %62, %60
  %66 = phi double [ %61, %60 ], [ %64, %62 ]
  store double %66, ptr %13, align 8, !tbaa !10
  %67 = load double, ptr %13, align 8, !tbaa !10
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  ret double %67
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #2

; Function Attrs: nounwind
declare double @sqrt(double noundef) #3

; Function Attrs: 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #3 = { 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 #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 = !{!6, !7, i64 8}
!6 = !{!"_ZTS5point", !7, i64 0, !7, i64 8}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!7, !7, i64 0}
!11 = !{!6, !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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef double @_Z4dist5pointS_S_(double %0, double %1, double %2, double %3, double %4, double %5) local_unnamed_addr #0 {
  %7 = fsub double %5, %1
  %8 = fsub double %0, %4
  %9 = fneg double %8
  %10 = fneg double %7
  %11 = insertelement <2 x double> poison, double %8, i64 0
  %12 = insertelement <2 x double> %11, double %10, i64 1
  %13 = insertelement <2 x double> poison, double %3, i64 0
  %14 = insertelement <2 x double> %13, double %4, i64 1
  %15 = fmul <2 x double> %12, %14
  %16 = insertelement <2 x double> poison, double %7, i64 0
  %17 = insertelement <2 x double> %16, double %9, i64 1
  %18 = insertelement <2 x double> poison, double %2, i64 0
  %19 = insertelement <2 x double> %18, double %5, i64 1
  %20 = tail call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %17, <2 x double> %19, <2 x double> %15)
  %shift = shufflevector <2 x double> %20, <2 x double> poison, <2 x i32> <i32 1, i32 poison>
  %21 = fadd <2 x double> %20, %shift
  %22 = extractelement <2 x double> %21, i64 0
  %23 = fmul double %8, %8
  %24 = tail call double @llvm.fmuladd.f64(double %7, double %7, double %23)
  %sqrt = tail call double @llvm.sqrt.f64(double %24)
  %25 = fdiv double %22, %sqrt
  %26 = fcmp ogt double %25, 0.000000e+00
  %27 = fneg double %25
  %28 = select i1 %26, double %25, double %27
  ret double %28
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.sqrt.f64(double) #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare <2 x double> @llvm.fmuladd.v2f64(<2 x double>, <2 x double>, <2 x double>) #2

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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 speculatable willreturn memory(none) }
attributes #2 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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: AggressiveInstCombinePass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass,VectorCombinePass