; LLVM IR from PaddlePaddle/Serving :: core/predictor/tools/ocrtools/clipper.ll (ZN10ClipperLib11ClipperBase11PopScanbeamERx)

; 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.ClipperLib::ClipperBase" = type { ptr, %"class.__gnu_cxx::__normal_iterator", %"class.std::vector.5", i8, %"class.std::vector.10", i8, i8, %"class.std::vector.15", ptr, %"class.std::priority_queue" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<ClipperLib::LocalMinimum, std::allocator<ClipperLib::LocalMinimum>>::_Vector_impl" }
%"struct.std::_Vector_base<ClipperLib::LocalMinimum, std::allocator<ClipperLib::LocalMinimum>>::_Vector_impl" = type { %"struct.std::_Vector_base<ClipperLib::LocalMinimum, std::allocator<ClipperLib::LocalMinimum>>::_Vector_impl_data" }
%"struct.std::_Vector_base<ClipperLib::LocalMinimum, std::allocator<ClipperLib::LocalMinimum>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = type { %"struct.std::_Vector_base<ClipperLib::TEdge *, std::allocator<ClipperLib::TEdge *>>::_Vector_impl" }
%"struct.std::_Vector_base<ClipperLib::TEdge *, std::allocator<ClipperLib::TEdge *>>::_Vector_impl" = type { %"struct.std::_Vector_base<ClipperLib::TEdge *, std::allocator<ClipperLib::TEdge *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<ClipperLib::TEdge *, std::allocator<ClipperLib::TEdge *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.15" = type { %"struct.std::_Vector_base.16" }
%"struct.std::_Vector_base.16" = type { %"struct.std::_Vector_base<ClipperLib::OutRec *, std::allocator<ClipperLib::OutRec *>>::_Vector_impl" }
%"struct.std::_Vector_base<ClipperLib::OutRec *, std::allocator<ClipperLib::OutRec *>>::_Vector_impl" = type { %"struct.std::_Vector_base<ClipperLib::OutRec *, std::allocator<ClipperLib::OutRec *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<ClipperLib::OutRec *, std::allocator<ClipperLib::OutRec *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::priority_queue" = type <{ %"class.std::vector.20", [8 x i8] }>
%"class.std::vector.20" = type { %"struct.std::_Vector_base.21" }
%"struct.std::_Vector_base.21" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN10ClipperLib11ClipperBase11PopScanbeamERx(ptr noundef nonnull align 8 dereferenceable(144) %0, ptr noundef nonnull align 8 dereferenceable(8) %1) #0 align 2 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8
  %7 = getelementptr inbounds %"class.ClipperLib::ClipperBase", ptr %6, i32 0, i32 9
  %8 = call noundef zeroext i1 @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %7)
  br i1 %8, label %9, label %10

9:                                                ; preds = %2
  store i1 false, ptr %3, align 1
  br label %31

10:                                               ; preds = %2
  %11 = getelementptr inbounds %"class.ClipperLib::ClipperBase", ptr %6, i32 0, i32 9
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %11)
  %13 = load i64, ptr %12, align 8, !tbaa !9
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  store i64 %13, ptr %14, align 8, !tbaa !9
  %15 = getelementptr inbounds %"class.ClipperLib::ClipperBase", ptr %6, i32 0, i32 9
  call void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %15)
  br label %16

16:                                               ; preds = %28, %10
  %17 = getelementptr inbounds %"class.ClipperLib::ClipperBase", ptr %6, i32 0, i32 9
  %18 = call noundef zeroext i1 @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %17)
  br i1 %18, label %26, label %19

19:                                               ; preds = %16
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = load i64, ptr %20, align 8, !tbaa !9
  %22 = getelementptr inbounds %"class.ClipperLib::ClipperBase", ptr %6, i32 0, i32 9
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %22)
  %24 = load i64, ptr %23, align 8, !tbaa !9
  %25 = icmp eq i64 %21, %24
  br label %26

26:                                               ; preds = %19, %16
  %27 = phi i1 [ false, %16 ], [ %25, %19 ]
  br i1 %27, label %28, label %30

28:                                               ; preds = %26
  %29 = getelementptr inbounds %"class.ClipperLib::ClipperBase", ptr %6, i32 0, i32 9
  call void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %29)
  br label %16, !llvm.loop !11

30:                                               ; preds = %26
  store i1 true, ptr %3, align 1
  br label %31

31:                                               ; preds = %30, %9
  %32 = load i1, ptr %3, align 1
  ret i1 %32
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) #0 align 2

attributes #0 = { mustprogress 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 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, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN10ClipperLib11ClipperBase11PopScanbeamERx(ptr noundef nonnull align 8 dereferenceable(144) %0, ptr nocapture noundef nonnull align 8 dereferenceable(8) %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 112
  %4 = tail call noundef zeroext i1 @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  br i1 %4, label %.critedge, label %5

5:                                                ; preds = %2
  %6 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  %7 = load i64, ptr %6, align 8, !tbaa !5
  store i64 %7, ptr %1, align 8, !tbaa !5
  tail call void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  %8 = tail call noundef zeroext i1 @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  br i1 %8, label %.critedge, label %.lr.ph

.lr.ph:                                           ; preds = %5, %13
  %9 = load i64, ptr %1, align 8, !tbaa !5
  %10 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  %11 = load i64, ptr %10, align 8, !tbaa !5
  %12 = icmp eq i64 %9, %11
  br i1 %12, label %13, label %.critedge

13:                                               ; preds = %.lr.ph
  tail call void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  %14 = tail call noundef zeroext i1 @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  br i1 %14, label %.critedge, label %.lr.ph, !llvm.loop !9

.critedge:                                        ; preds = %13, %.lr.ph, %5, %2
  %.0 = xor i1 %4, true
  ret i1 %.0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #0 align 2

attributes #0 = { mustprogress 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 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass