; 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"

; 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 @_ZNKSt6vectorIS_IN10ClipperLib8IntPointESaIS1_EESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IN10ClipperLib8IntPointESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10ClipperLib13ClipperOffset7AddPathERKSt6vectorINS_8IntPointESaIS2_EENS_8JoinTypeENS_7EndTypeE(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i32 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10ClipperLib13ClipperOffset8AddPathsERKSt6vectorIS1_INS_8IntPointESaIS2_EESaIS4_EENS_8JoinTypeENS_7EndTypeE(ptr noundef nonnull align 8 dereferenceable(256) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %2, i32 noundef %3) #2 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  store i32 %3, ptr %8, align 4, !tbaa !11
  %10 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  store i64 0, ptr %9, align 8, !tbaa !13
  br label %11

11:                                               ; preds = %23, %4
  %12 = load i64, ptr %9, align 8, !tbaa !13
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = call noundef i64 @_ZNKSt6vectorIS_IN10ClipperLib8IntPointESaIS1_EESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  %15 = icmp ult i64 %12, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  br label %26

17:                                               ; preds = %11
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = load i64, ptr %9, align 8, !tbaa !13
  %20 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IN10ClipperLib8IntPointESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef %19) #3
  %21 = load i32, ptr %7, align 4, !tbaa !9
  %22 = load i32, ptr %8, align 4, !tbaa !11
  call void @_ZN10ClipperLib13ClipperOffset7AddPathERKSt6vectorINS_8IntPointESaIS2_EENS_8JoinTypeENS_7EndTypeE(ptr noundef nonnull align 8 dereferenceable(256) %10, ptr noundef nonnull align 8 dereferenceable(24) %20, i32 noundef %21, i32 noundef %22)
  br label %23

23:                                               ; preds = %17
  %24 = load i64, ptr %9, align 8, !tbaa !13
  %25 = add i64 %24, 1
  store i64 %25, ptr %9, align 8, !tbaa !13
  br label %11, !llvm.loop !15

26:                                               ; preds = %16
  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 = !{!"_ZTSN10ClipperLib8JoinTypeE", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"_ZTSN10ClipperLib7EndTypeE", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"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 i64 @_ZNKSt6vectorIS_IN10ClipperLib8IntPointESaIS1_EESaIS3_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(24) ptr @_ZNKSt6vectorIS_IN10ClipperLib8IntPointESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10ClipperLib13ClipperOffset7AddPathERKSt6vectorINS_8IntPointESaIS2_EENS_8JoinTypeENS_7EndTypeE(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10ClipperLib13ClipperOffset8AddPathsERKSt6vectorIS1_INS_8IntPointESaIS2_EESaIS4_EENS_8JoinTypeENS_7EndTypeE(ptr noundef nonnull align 8 dereferenceable(256) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #1 align 2 {
  %5 = tail call noundef i64 @_ZNKSt6vectorIS_IN10ClipperLib8IntPointESaIS1_EESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #2
  %.not = icmp eq i64 %5, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %4
  ret void

.lr.ph:                                           ; preds = %4, %.lr.ph
  %.07 = phi i64 [ %7, %.lr.ph ], [ 0, %4 ]
  %6 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IN10ClipperLib8IntPointESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %.07) #2
  tail call void @_ZN10ClipperLib13ClipperOffset7AddPathERKSt6vectorINS_8IntPointESaIS2_EENS_8JoinTypeENS_7EndTypeE(ptr noundef nonnull align 8 dereferenceable(256) %0, ptr noundef nonnull align 8 dereferenceable(24) %6, i32 noundef %2, i32 noundef %3)
  %7 = add nuw i64 %.07, 1
  %8 = tail call noundef i64 @_ZNKSt6vectorIS_IN10ClipperLib8IntPointESaIS1_EESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #2
  %9 = icmp ult i64 %7, %8
  br i1 %9, label %.lr.ph, label %._crit_edge, !llvm.loop !5
}

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 = { 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 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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