; 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 nounwind uwtable
declare dso_local noundef i32 @_ZN10ClipperLib14PointInPolygonERKNS_8IntPointEPNS_5OutPtE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN10ClipperLib18Poly2ContainsPoly1EPNS_5OutPtES1_(ptr noundef %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
  %8 = 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) #2
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %9, ptr %6, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %27, %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = getelementptr inbounds %"struct.ClipperLib::OutPt", ptr %11, i32 0, i32 1
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = call noundef i32 @_ZN10ClipperLib14PointInPolygonERKNS_8IntPointEPNS_5OutPtE(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef %13)
  store i32 %14, ptr %7, align 4, !tbaa !9
  %15 = load i32, ptr %7, align 4, !tbaa !9
  %16 = icmp sge i32 %15, 0
  br i1 %16, label %17, label %20

17:                                               ; preds = %10
  %18 = load i32, ptr %7, align 4, !tbaa !9
  %19 = icmp sgt i32 %18, 0
  store i1 %19, ptr %3, align 1
  store i32 1, ptr %8, align 4
  br label %24

20:                                               ; preds = %10
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = getelementptr inbounds %"struct.ClipperLib::OutPt", ptr %21, i32 0, i32 2
  %23 = load ptr, ptr %22, align 8, !tbaa !11
  store ptr %23, ptr %6, align 8, !tbaa !5
  store i32 0, ptr %8, align 4
  br label %24

24:                                               ; preds = %20, %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  %25 = load i32, ptr %8, align 4
  switch i32 %25, label %32 [
    i32 0, label %26
  ]

26:                                               ; preds = %24
  br label %27

27:                                               ; preds = %26
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = icmp ne ptr %28, %29
  br i1 %30, label %10, label %31, !llvm.loop !15

31:                                               ; preds = %27
  store i1 true, ptr %3, align 1
  store i32 1, ptr %8, align 4
  br label %32

32:                                               ; preds = %31, %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  %33 = load i1, ptr %3, align 1
  ret i1 %33
}

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 = { 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 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 24}
!12 = !{!"_ZTSN10ClipperLib5OutPtE", !10, i64 0, !13, i64 8, !6, i64 24, !6, i64 32}
!13 = !{!"_ZTSN10ClipperLib8IntPointE", !14, i64 0, !14, i64 8}
!14 = !{!"long long", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"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 i32 @_ZN10ClipperLib14PointInPolygonERKNS_8IntPointEPNS_5OutPtE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN10ClipperLib18Poly2ContainsPoly1EPNS_5OutPtES1_(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  br label %3

3:                                                ; preds = %9, %2
  %.010 = phi ptr [ %0, %2 ], [ %11, %9 ]
  %4 = getelementptr inbounds i8, ptr %.010, i64 8
  %5 = tail call noundef i32 @_ZN10ClipperLib14PointInPolygonERKNS_8IntPointEPNS_5OutPtE(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef %1)
  %6 = icmp slt i32 %5, 0
  br i1 %6, label %9, label %7

7:                                                ; preds = %3
  %8 = icmp ne i32 %5, 0
  br label %.loopexit

9:                                                ; preds = %3
  %10 = getelementptr inbounds i8, ptr %.010, i64 24
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  %.not = icmp eq ptr %11, %0
  br i1 %.not, label %.loopexit, label %3, !llvm.loop !13

.loopexit:                                        ; preds = %9, %7
  %.2 = phi i1 [ %8, %7 ], [ true, %9 ]
  ret i1 %.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" }

!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: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass