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

; 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 }
%"struct.ClipperLib::OutRec" = type { i32, i8, i8, ptr, ptr, ptr, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIPN10ClipperLib6OutRecESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN10ClipperLib6OutRecESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef ptr @_ZN10ClipperLibL14ParseFirstLeftEPNS_6OutRecE(ptr noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10ClipperLib7Clipper16FixupFirstLefts3EPNS_6OutRecES2_(ptr noundef nonnull align 8 dereferenceable(135) %0, ptr noundef %1, ptr noundef %2) #2 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %10 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %11

11:                                               ; preds = %47, %3
  %12 = load i64, ptr %7, align 8, !tbaa !9
  %13 = load ptr, ptr %10, align 8, !tbaa !11
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr %10, i64 %15
  %17 = getelementptr inbounds %"class.ClipperLib::ClipperBase", ptr %16, i32 0, i32 7
  %18 = call noundef i64 @_ZNKSt6vectorIPN10ClipperLib6OutRecESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #3
  %19 = icmp ult i64 %12, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %50

21:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %22 = load ptr, ptr %10, align 8, !tbaa !11
  %23 = getelementptr i8, ptr %22, i64 -24
  %24 = load i64, ptr %23, align 8
  %25 = getelementptr inbounds i8, ptr %10, i64 %24
  %26 = getelementptr inbounds %"class.ClipperLib::ClipperBase", ptr %25, i32 0, i32 7
  %27 = load i64, ptr %7, align 8, !tbaa !9
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN10ClipperLib6OutRecESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %26, i64 noundef %27) #3
  %29 = load ptr, ptr %28, align 8, !tbaa !5
  store ptr %29, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  %31 = getelementptr inbounds %"struct.ClipperLib::OutRec", ptr %30, i32 0, i32 3
  %32 = load ptr, ptr %31, align 8, !tbaa !13
  %33 = call noundef ptr @_ZN10ClipperLibL14ParseFirstLeftEPNS_6OutRecE(ptr noundef %32)
  store ptr %33, ptr %9, align 8, !tbaa !5
  %34 = load ptr, ptr %8, align 8, !tbaa !5
  %35 = getelementptr inbounds %"struct.ClipperLib::OutRec", ptr %34, i32 0, i32 5
  %36 = load ptr, ptr %35, align 8, !tbaa !17
  %37 = icmp ne ptr %36, null
  br i1 %37, label %38, label %46

38:                                               ; preds = %21
  %39 = load ptr, ptr %9, align 8, !tbaa !5
  %40 = load ptr, ptr %5, align 8, !tbaa !5
  %41 = icmp eq ptr %39, %40
  br i1 %41, label %42, label %46

42:                                               ; preds = %38
  %43 = load ptr, ptr %6, align 8, !tbaa !5
  %44 = load ptr, ptr %8, align 8, !tbaa !5
  %45 = getelementptr inbounds %"struct.ClipperLib::OutRec", ptr %44, i32 0, i32 3
  store ptr %43, ptr %45, align 8, !tbaa !13
  br label %46

46:                                               ; preds = %42, %38, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %47

47:                                               ; preds = %46
  %48 = load i64, ptr %7, align 8, !tbaa !9
  %49 = add i64 %48, 1
  store i64 %49, ptr %7, align 8, !tbaa !9
  br label %11, !llvm.loop !18

50:                                               ; preds = %20
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #2 = { 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 #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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = !{!14, !6, i64 8}
!14 = !{!"_ZTSN10ClipperLib6OutRecE", !15, i64 0, !16, i64 4, !16, i64 5, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}
!15 = !{!"int", !7, i64 0}
!16 = !{!"bool", !7, i64 0}
!17 = !{!14, !6, i64 24}
!18 = distinct !{!18, !19}
!19 = !{!"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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIPN10ClipperLib6OutRecESaIS2_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 @_ZNSt6vectorIPN10ClipperLib6OutRecESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef ptr @_ZN10ClipperLibL14ParseFirstLeftEPNS_6OutRecE(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN10ClipperLib7Clipper16FixupFirstLefts3EPNS_6OutRecES2_(ptr noundef nonnull align 8 dereferenceable(135) %0, ptr noundef readnone %1, ptr noundef %2) local_unnamed_addr #0 align 2 {
  %invariant.gep = getelementptr inbounds i8, ptr %0, i64 80
  %4 = load ptr, ptr %0, align 8, !tbaa !5
  %5 = getelementptr i8, ptr %4, i64 -24
  %6 = load i64, ptr %5, align 8
  %gep11 = getelementptr i8, ptr %invariant.gep, i64 %6
  %7 = tail call noundef i64 @_ZNKSt6vectorIPN10ClipperLib6OutRecESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %gep11) #1
  %.not13 = icmp eq i64 %7, 0
  br i1 %.not13, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %20, %3
  ret void

.lr.ph:                                           ; preds = %3, %20
  %.012 = phi i64 [ %21, %20 ], [ 0, %3 ]
  %8 = load ptr, ptr %0, align 8, !tbaa !5
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %gep10 = getelementptr i8, ptr %invariant.gep, i64 %10
  %11 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN10ClipperLib6OutRecESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %gep10, i64 noundef %.012) #1
  %12 = load ptr, ptr %11, align 8, !tbaa !8
  %13 = getelementptr inbounds i8, ptr %12, i64 8
  %14 = load ptr, ptr %13, align 8, !tbaa !11
  %15 = tail call noundef ptr @_ZN10ClipperLibL14ParseFirstLeftEPNS_6OutRecE(ptr noundef %14)
  %16 = getelementptr inbounds i8, ptr %12, i64 24
  %17 = load ptr, ptr %16, align 8, !tbaa !15
  %.not = icmp ne ptr %17, null
  %18 = icmp eq ptr %15, %1
  %or.cond = and i1 %18, %.not
  br i1 %or.cond, label %19, label %20

19:                                               ; preds = %.lr.ph
  store ptr %2, ptr %13, align 8, !tbaa !11
  br label %20

20:                                               ; preds = %19, %.lr.ph
  %21 = add nuw i64 %.012, 1
  %22 = load ptr, ptr %0, align 8, !tbaa !5
  %23 = getelementptr i8, ptr %22, i64 -24
  %24 = load i64, ptr %23, align 8
  %gep = getelementptr i8, ptr %invariant.gep, i64 %24
  %25 = tail call noundef i64 @_ZNKSt6vectorIPN10ClipperLib6OutRecESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %gep) #1
  %26 = icmp ult i64 %21, %25
  br i1 %26, label %.lr.ph, label %._crit_edge, !llvm.loop !16
}

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 }

!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 = !{!12, !9, i64 8}
!12 = !{!"_ZTSN10ClipperLib6OutRecE", !13, i64 0, !14, i64 4, !14, i64 5, !9, i64 8, !9, i64 16, !9, i64 24, !9, i64 32}
!13 = !{!"int", !10, i64 0}
!14 = !{!"bool", !10, i64 0}
!15 = !{!12, !9, i64 24}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


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