; LLVM IR from chachaxw/data-structure-and-algorithm :: cpp_basics/operator_overload.ll (ZN16OperatorOverloadaSERKS_)

; 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"

%class.OperatorOverload = type { double, double, double }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN16OperatorOverloadaSERKS_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %class.OperatorOverload, ptr %6, i32 0, i32 0
  %8 = load double, ptr %7, align 8, !tbaa !9
  %9 = fadd double %8, 1.000000e+00
  %10 = getelementptr inbounds %class.OperatorOverload, ptr %5, i32 0, i32 0
  store double %9, ptr %10, align 8, !tbaa !9
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds %class.OperatorOverload, ptr %11, i32 0, i32 1
  %13 = load double, ptr %12, align 8, !tbaa !12
  %14 = fadd double %13, 2.000000e+00
  %15 = getelementptr inbounds %class.OperatorOverload, ptr %5, i32 0, i32 1
  store double %14, ptr %15, align 8, !tbaa !12
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %class.OperatorOverload, ptr %16, i32 0, i32 2
  %18 = load double, ptr %17, align 8, !tbaa !13
  %19 = fadd double %18, 3.000000e+00
  %20 = getelementptr inbounds %class.OperatorOverload, ptr %5, i32 0, i32 2
  store double %19, ptr %20, align 8, !tbaa !13
  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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTS16OperatorOverload", !11, i64 0, !11, i64 8, !11, i64 16}
!11 = !{!"double", !7, i64 0}
!12 = !{!10, !11, i64 8}
!13 = !{!10, !11, 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @_ZN16OperatorOverloadaSERKS_(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(24) %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(24) %1) local_unnamed_addr #0 align 2 {
  %3 = load <2 x double>, ptr %1, align 8, !tbaa !5
  %4 = fadd <2 x double> %3, <double 1.000000e+00, double 2.000000e+00>
  store <2 x double> %4, ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 16
  %6 = load double, ptr %5, align 8, !tbaa !9
  %7 = fadd double %6, 3.000000e+00
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  store double %7, ptr %8, align 8, !tbaa !9
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 16}
!10 = !{!"_ZTS16OperatorOverload", !6, i64 0, !6, i64 8, !6, i64 16}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass