; LLVM IR from lzyrapx/Competitive-Programming :: HDUOJ/5733.ll (Z4vlen6point3)

; 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 nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: nounwind
declare double @sqrt(double noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_Z4vlen6point3(ptr noundef byval(%struct.point3) align 8 %0) #2 {
  %2 = getelementptr inbounds %struct.point3, ptr %0, i32 0, i32 0
  %3 = load double, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.point3, ptr %0, i32 0, i32 0
  %5 = load double, ptr %4, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.point3, ptr %0, i32 0, i32 1
  %7 = load double, ptr %6, align 8, !tbaa !10
  %8 = getelementptr inbounds %struct.point3, ptr %0, i32 0, i32 1
  %9 = load double, ptr %8, align 8, !tbaa !10
  %10 = fmul double %7, %9
  %11 = call double @llvm.fmuladd.f64(double %3, double %5, double %10)
  %12 = getelementptr inbounds %struct.point3, ptr %0, i32 0, i32 2
  %13 = load double, ptr %12, align 8, !tbaa !11
  %14 = getelementptr inbounds %struct.point3, ptr %0, i32 0, i32 2
  %15 = load double, ptr %14, align 8, !tbaa !11
  %16 = call double @llvm.fmuladd.f64(double %13, double %15, double %11)
  %17 = call double @sqrt(double noundef %16) #3
  ret double %17
}

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { 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 #2 = { 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)"}
!5 = !{!6, !7, i64 0}
!6 = !{!"_ZTS6point3", !7, i64 0, !7, i64 8, !7, i64 16}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = !{!6, !7, i64 16}


; 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 nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef double @_Z4vlen6point3(ptr nocapture noundef readonly byval(%struct.point3) align 8 %0) local_unnamed_addr #1 {
  %2 = load double, ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load double, ptr %3, align 8, !tbaa !10
  %5 = fmul double %4, %4
  %6 = tail call double @llvm.fmuladd.f64(double %2, double %2, double %5)
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  %8 = load double, ptr %7, align 8, !tbaa !11
  %9 = tail call double @llvm.fmuladd.f64(double %8, double %8, double %6)
  %sqrt = tail call double @llvm.sqrt.f64(double %9)
  ret double %sqrt
}

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

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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 = { 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)"}
!5 = !{!6, !7, i64 0}
!6 = !{!"_ZTS6point3", !7, i64 0, !7, i64 8, !7, i64 16}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = !{!6, !7, i64 16}


; Effective O3 passes: AggressiveInstCombinePass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,TailCallElimPass