; 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"

%"struct.ClipperLib::OutPt" = type { i32, %"struct.ClipperLib::IntPoint", ptr, ptr }
%"struct.ClipperLib::IntPoint" = type { i64, i64 }

; 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 uwtable
define dso_local noundef zeroext i1 @_ZN10ClipperLib13PointIsVertexERKNS_8IntPointEPNS_5OutPtE(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef %1) #1 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %8, ptr %6, align 8, !tbaa !5
  br label %9

9:                                                ; preds = %19, %2
  %10 = load ptr, ptr %6, align 8, !tbaa !5
  %11 = getelementptr inbounds %"struct.ClipperLib::OutPt", ptr %10, i32 0, i32 1
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = call noundef zeroext i1 @_ZN10ClipperLibeqERKNS_8IntPointES2_(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(16) %12)
  br i1 %13, label %14, label %15

14:                                               ; preds = %9
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %24

15:                                               ; preds = %9
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = getelementptr inbounds %"struct.ClipperLib::OutPt", ptr %16, i32 0, i32 2
  %18 = load ptr, ptr %17, align 8, !tbaa !9
  store ptr %18, ptr %6, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %15
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = icmp ne ptr %20, %21
  br i1 %22, label %9, label %23, !llvm.loop !14

23:                                               ; preds = %19
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %24

24:                                               ; preds = %23, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %25 = load i1, ptr %3, align 1
  ret i1 %25
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN10ClipperLibeqERKNS_8IntPointES2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 24}
!10 = !{!"_ZTSN10ClipperLib5OutPtE", !11, i64 0, !12, i64 8, !6, i64 24, !6, i64 32}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTSN10ClipperLib8IntPointE", !13, i64 0, !13, i64 8}
!13 = !{!"long long", !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"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
define dso_local noundef zeroext i1 @_ZN10ClipperLib13PointIsVertexERKNS_8IntPointEPNS_5OutPtE(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef %1) local_unnamed_addr #0 {
  br label %3

3:                                                ; preds = %6, %2
  %.0 = phi ptr [ %1, %2 ], [ %8, %6 ]
  %4 = getelementptr inbounds i8, ptr %.0, i64 8
  %5 = tail call noundef zeroext i1 @_ZN10ClipperLibeqERKNS_8IntPointES2_(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 8 dereferenceable(16) %0)
  br i1 %5, label %9, label %6

6:                                                ; preds = %3
  %7 = getelementptr inbounds i8, ptr %.0, i64 24
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %.not = icmp eq ptr %8, %1
  br i1 %.not, label %9, label %3, !llvm.loop !13

9:                                                ; preds = %6, %3
  ret i1 %5
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN10ClipperLibeqERKNS_8IntPointES2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_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 = { inlinehint 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, !12, i64 24}
!6 = !{!"_ZTSN10ClipperLib5OutPtE", !7, i64 0, !10, i64 8, !12, i64 24, !12, i64 32}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSN10ClipperLib8IntPointE", !11, i64 0, !11, i64 8}
!11 = !{!"long long", !8, i64 0}
!12 = !{!"any pointer", !8, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass