; LLVM IR from mhsitu/welding_robot :: coppeliaSim-client/common/stack/stackArray.ll (ZN11CStackArrayD2Ev)

; 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.CStackArray = type <{ %class.CStackObject.base, [4 x i8], %"class.std::vector", %"class.std::vector.0", %"class.std::vector.5", i8, [7 x i8] }>
%class.CStackObject.base = type <{ ptr, i32 }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<CStackObject *, std::allocator<CStackObject *>>::_Vector_impl" }
%"struct.std::_Vector_base<CStackObject *, std::allocator<CStackObject *>>::_Vector_impl" = type { %"struct.std::_Vector_base<CStackObject *, std::allocator<CStackObject *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<CStackObject *, std::allocator<CStackObject *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZTV11CStackArray = external dso_local unnamed_addr constant { [6 x ptr] }, align 8

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN11CStackArrayD2Ev(ptr noundef nonnull align 8 dereferenceable(89) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  store ptr getelementptr inbounds inrange(-16, 32) ({ [6 x ptr] }, ptr @_ZTV11CStackArray, i32 0, i32 0, i32 2), ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store i64 0, ptr %3, align 8, !tbaa !11
  br label %5

5:                                                ; preds = %22, %1
  %6 = load i64, ptr %3, align 8, !tbaa !11
  %7 = getelementptr inbounds %class.CStackArray, ptr %4, i32 0, i32 2
  %8 = call noundef i64 @_ZNKSt6vectorIP12CStackObjectSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  %9 = icmp ult i64 %6, %8
  br i1 %9, label %11, label %10

10:                                               ; preds = %5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %25

11:                                               ; preds = %5
  %12 = getelementptr inbounds %class.CStackArray, ptr %4, i32 0, i32 2
  %13 = load i64, ptr %3, align 8, !tbaa !11
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP12CStackObjectSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %13) #3
  %15 = load ptr, ptr %14, align 8, !tbaa !5
  %16 = icmp eq ptr %15, null
  br i1 %16, label %21, label %17

17:                                               ; preds = %11
  %18 = load ptr, ptr %15, align 8, !tbaa !9
  %19 = getelementptr inbounds ptr, ptr %18, i64 1
  %20 = load ptr, ptr %19, align 8
  call void %20(ptr noundef nonnull align 8 dereferenceable(12) %15) #3
  br label %21

21:                                               ; preds = %17, %11
  br label %22

22:                                               ; preds = %21
  %23 = load i64, ptr %3, align 8, !tbaa !11
  %24 = add i64 %23, 1
  store i64 %24, ptr %3, align 8, !tbaa !11
  br label %5, !llvm.loop !13

25:                                               ; preds = %10
  %26 = getelementptr inbounds %class.CStackArray, ptr %4, i32 0, i32 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %26) #3
  %27 = getelementptr inbounds %class.CStackArray, ptr %4, i32 0, i32 3
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %27) #3
  %28 = getelementptr inbounds %class.CStackArray, ptr %4, i32 0, i32 2
  call void @_ZNSt6vectorIP12CStackObjectSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %28) #3
  call void @_ZN12CStackObjectD2Ev(ptr noundef nonnull align 8 dereferenceable(12) %4) #3
  ret void
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP12CStackObjectSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP12CStackObjectSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP12CStackObjectSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: nounwind
declare void @_ZN12CStackObjectD2Ev(ptr noundef nonnull align 8 dereferenceable(12)) unnamed_addr #2

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 = { 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 = { 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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"

@_ZTV11CStackArray = external dso_local unnamed_addr constant { [6 x ptr] }, align 8

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN11CStackArrayD2Ev(ptr noundef nonnull align 8 dereferenceable(89) %0) unnamed_addr #0 align 2 {
  store ptr getelementptr inbounds inrange(-16, 32) (i8, ptr @_ZTV11CStackArray, i64 16), ptr %0, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %3 = tail call noundef i64 @_ZNKSt6vectorIP12CStackObjectSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #2
  %.not = icmp eq i64 %3, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %13, %1
  %4 = getelementptr inbounds i8, ptr %0, i64 64
  tail call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #2
  %5 = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #2
  tail call void @_ZNSt6vectorIP12CStackObjectSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #2
  tail call void @_ZN12CStackObjectD2Ev(ptr noundef nonnull align 8 dereferenceable(12) %0) #2
  ret void

.lr.ph:                                           ; preds = %1, %13
  %.04 = phi i64 [ %14, %13 ], [ 0, %1 ]
  %6 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP12CStackObjectSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.04) #2
  %7 = load ptr, ptr %6, align 8, !tbaa !8
  %8 = icmp eq ptr %7, null
  br i1 %8, label %13, label %9

9:                                                ; preds = %.lr.ph
  %10 = load ptr, ptr %7, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %10, i64 8
  %12 = load ptr, ptr %11, align 8
  tail call void %12(ptr noundef nonnull align 8 dereferenceable(12) %7) #2
  br label %13

13:                                               ; preds = %.lr.ph, %9
  %14 = add nuw i64 %.04, 1
  %15 = tail call noundef i64 @_ZNKSt6vectorIP12CStackObjectSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #2
  %16 = icmp ult i64 %14, %15
  br i1 %16, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP12CStackObjectSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP12CStackObjectSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP12CStackObjectSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: nounwind
declare void @_ZN12CStackObjectD2Ev(ptr noundef nonnull align 8 dereferenceable(12)) unnamed_addr #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 = { 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 = { 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, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass