; LLVM IR from prittt/GRAPHGEN :: src/GRAPHGEN/conact_tree.ll (Z10EqualTreesPKN10BinaryDragI6conactE4nodeES4_)

; 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.BinaryDrag<conact>::node" = type { %struct.conact, ptr, ptr }
%struct.conact = type { i32, %"class.std::__cxx11::basic_string", %"class.std::bitset", i64 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon.0 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.0 = type { i64, [8 x i8] }
%"class.std::bitset" = type { %"struct.std::_Base_bitset" }
%"struct.std::_Base_bitset" = type { [3 x i64] }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK10BinaryDragI6conactE4node6isleafEv(ptr noundef nonnull align 8 dereferenceable(88)) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z10EqualTreesPKN10BinaryDragI6conactE4nodeES4_(ptr noundef %0, ptr noundef %1) #1 {
  %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, !tbaa !5
  %7 = getelementptr inbounds %"struct.BinaryDrag<conact>::node", ptr %6, i32 0, i32 0
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = getelementptr inbounds %"struct.BinaryDrag<conact>::node", ptr %8, i32 0, i32 0
  %10 = call noundef zeroext i1 @_ZNK6conactneERKS_(ptr noundef nonnull align 8 dereferenceable(72) %7, ptr noundef nonnull align 8 dereferenceable(72) %9)
  br i1 %10, label %11, label %12

11:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  br label %34

12:                                               ; preds = %2
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = call noundef zeroext i1 @_ZNK10BinaryDragI6conactE4node6isleafEv(ptr noundef nonnull align 8 dereferenceable(88) %13)
  br i1 %14, label %15, label %16

15:                                               ; preds = %12
  store i1 true, ptr %3, align 1
  br label %34

16:                                               ; preds = %12
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %"struct.BinaryDrag<conact>::node", ptr %17, i32 0, i32 1
  %19 = load ptr, ptr %18, align 8, !tbaa !9
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds %"struct.BinaryDrag<conact>::node", ptr %20, i32 0, i32 1
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  %23 = call noundef zeroext i1 @_Z10EqualTreesPKN10BinaryDragI6conactE4nodeES4_(ptr noundef %19, ptr noundef %22)
  br i1 %23, label %24, label %32

24:                                               ; preds = %16
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %"struct.BinaryDrag<conact>::node", ptr %25, i32 0, i32 2
  %27 = load ptr, ptr %26, align 8, !tbaa !18
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = getelementptr inbounds %"struct.BinaryDrag<conact>::node", ptr %28, i32 0, i32 2
  %30 = load ptr, ptr %29, align 8, !tbaa !18
  %31 = call noundef zeroext i1 @_Z10EqualTreesPKN10BinaryDragI6conactE4nodeES4_(ptr noundef %27, ptr noundef %30)
  br label %32

32:                                               ; preds = %24, %16
  %33 = phi i1 [ false, %16 ], [ %31, %24 ]
  store i1 %33, ptr %3, align 1
  br label %34

34:                                               ; preds = %32, %15, %11
  %35 = load i1, ptr %3, align 1
  ret i1 %35
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK6conactneERKS_(ptr noundef nonnull align 8 dereferenceable(72), ptr noundef nonnull align 8 dereferenceable(72)) #1 align 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" }
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" }

!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 72}
!10 = !{!"_ZTSN10BinaryDragI6conactE4nodeE", !11, i64 0, !6, i64 72, !6, i64 80}
!11 = !{!"_ZTS6conact", !12, i64 0, !13, i64 8, !16, i64 40, !15, i64 64}
!12 = !{!"_ZTSN6conact4typeE", !7, i64 0}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !14, i64 0, !15, i64 8, !7, i64 16}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!15 = !{!"long", !7, i64 0}
!16 = !{!"_ZTSSt6bitsetILm131EE", !17, i64 0}
!17 = !{!"_ZTSSt12_Base_bitsetILm3EE", !7, i64 0}
!18 = !{!10, !6, i64 80}


; 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 zeroext i1 @_ZNK10BinaryDragI6conactE4node6isleafEv(ptr noundef nonnull align 8 dereferenceable(88)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z10EqualTreesPKN10BinaryDragI6conactE4nodeES4_(ptr noundef nonnull %0, ptr noundef nonnull %1) local_unnamed_addr #1 {
  %3 = tail call noundef zeroext i1 @_ZNK6conactneERKS_(ptr noundef nonnull align 8 dereferenceable(72) %0, ptr noundef nonnull align 8 dereferenceable(72) %1)
  br i1 %3, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %tailrecurse
  %.tr810 = phi ptr [ %14, %tailrecurse ], [ %1, %2 ]
  %.tr9 = phi ptr [ %12, %tailrecurse ], [ %0, %2 ]
  %4 = tail call noundef zeroext i1 @_ZNK10BinaryDragI6conactE4node6isleafEv(ptr noundef nonnull align 8 dereferenceable(88) %.tr9)
  br i1 %4, label %._crit_edge, label %5

5:                                                ; preds = %.lr.ph
  %6 = getelementptr inbounds i8, ptr %.tr9, i64 72
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %.tr810, i64 72
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = tail call noundef zeroext i1 @_Z10EqualTreesPKN10BinaryDragI6conactE4nodeES4_(ptr noundef %7, ptr noundef %9)
  br i1 %10, label %tailrecurse, label %._crit_edge

tailrecurse:                                      ; preds = %5
  %11 = getelementptr inbounds i8, ptr %.tr9, i64 80
  %12 = load ptr, ptr %11, align 8, !tbaa !17
  %13 = getelementptr inbounds i8, ptr %.tr810, i64 80
  %14 = load ptr, ptr %13, align 8, !tbaa !17
  %15 = tail call noundef zeroext i1 @_ZNK6conactneERKS_(ptr noundef nonnull align 8 dereferenceable(72) %12, ptr noundef nonnull align 8 dereferenceable(72) %14)
  br i1 %15, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %tailrecurse, %.lr.ph, %5, %2
  %.0 = phi i1 [ false, %2 ], [ %4, %5 ], [ %4, %.lr.ph ], [ %4, %tailrecurse ]
  ret i1 %.0
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK6conactneERKS_(ptr noundef nonnull align 8 dereferenceable(72), ptr noundef nonnull align 8 dereferenceable(72)) local_unnamed_addr #1 align 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" }
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" }

!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, !13, i64 72}
!6 = !{!"_ZTSN10BinaryDragI6conactE4nodeE", !7, i64 0, !13, i64 72, !13, i64 80}
!7 = !{!"_ZTS6conact", !8, i64 0, !11, i64 8, !15, i64 40, !14, i64 64}
!8 = !{!"_ZTSN6conact4typeE", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !12, i64 0, !14, i64 8, !9, i64 16}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !13, i64 0}
!13 = !{!"any pointer", !9, i64 0}
!14 = !{!"long", !9, i64 0}
!15 = !{!"_ZTSSt6bitsetILm131EE", !16, i64 0}
!16 = !{!"_ZTSSt12_Base_bitsetILm3EE", !9, i64 0}
!17 = !{!6, !13, i64 80}


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