; LLVM IR from xirc/cp-algorithm :: aoj/ITP1/ITP11C/main.ll (Z13is_equivalentRK4DiceIiES2_)

; 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.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<Dice<>, std::allocator<Dice<>>>::_Vector_impl" }
%"struct.std::_Vector_base<Dice<>, std::allocator<Dice<>>>::_Vector_impl" = type { %"struct.std::_Vector_base<Dice<>, std::allocator<Dice<>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Dice<>, std::allocator<Dice<>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%class.Dice = type { [6 x i32], [6 x i32] }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z13is_equivalentRK4DiceIiES2_(ptr noundef nonnull align 4 dereferenceable(48) %0, ptr noundef nonnull align 4 dereferenceable(48) %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca i32, align 4
  %11 = alloca %class.Dice, align 4
  %12 = alloca ptr, align 8
  %13 = 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) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #5
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZNK4DiceIiE3allEv(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %7, ptr noundef nonnull align 4 dereferenceable(48) %14)
  store ptr %7, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = call ptr @_ZNSt6vectorI4DiceIiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #5
  %17 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %16, ptr %17, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = call ptr @_ZNSt6vectorI4DiceIiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %18) #5
  %20 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %19, ptr %20, align 8
  br label %21

21:                                               ; preds = %38, %2
  %22 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP4DiceIiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  br i1 %22, label %24, label %23

23:                                               ; preds = %21
  store i32 2, ptr %10, align 4
  br label %40

24:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 48, ptr %11) #5
  %25 = call noundef nonnull align 4 dereferenceable(48) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4DiceIiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %11, ptr align 4 %25, i64 48, i1 false), !tbaa.struct !9
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = invoke noundef zeroext i1 @_ZNK4DiceIiEeqERKS0_(ptr noundef nonnull align 4 dereferenceable(48) %11, ptr noundef nonnull align 4 dereferenceable(48) %26)
          to label %28 unwind label %30

28:                                               ; preds = %24
  br i1 %27, label %29, label %34

29:                                               ; preds = %28
  store i1 true, ptr %3, align 1
  store i32 1, ptr %10, align 4
  br label %35

30:                                               ; preds = %24
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %12, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 48, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @_ZNSt6vectorI4DiceIiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %45

34:                                               ; preds = %28
  store i32 0, ptr %10, align 4
  br label %35

35:                                               ; preds = %34, %29
  call void @llvm.lifetime.end.p0(i64 48, ptr %11) #5
  %36 = load i32, ptr %10, align 4
  switch i32 %36, label %40 [
    i32 0, label %37
  ]

37:                                               ; preds = %35
  br label %38

38:                                               ; preds = %37
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP4DiceIiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br label %21

40:                                               ; preds = %35, %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @_ZNSt6vectorI4DiceIiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  %41 = load i32, ptr %10, align 4
  switch i32 %41, label %50 [
    i32 2, label %42
    i32 1, label %43
  ]

42:                                               ; preds = %40
  store i1 false, ptr %3, align 1
  br label %43

43:                                               ; preds = %42, %40
  %44 = load i1, ptr %3, align 1
  ret i1 %44

45:                                               ; preds = %30
  %46 = load ptr, ptr %12, align 8
  %47 = load i32, ptr %13, align 4
  %48 = insertvalue { ptr, i32 } poison, ptr %46, 0
  %49 = insertvalue { ptr, i32 } %48, i32 %47, 1
  resume { ptr, i32 } %49

50:                                               ; preds = %40
  unreachable
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK4DiceIiE3allEv(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 4 dereferenceable(48)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4DiceIiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4DiceIiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIP4DiceIiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(48) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4DiceIiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK4DiceIiEeqERKS0_(ptr noundef nonnull align 4 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(48)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP4DiceIiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4DiceIiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { 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 #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 = !{i64 0, i64 24, !10, i64 24, i64 24, !10}
!10 = !{!7, !7, i64 0}


; 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"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<Dice<>, std::allocator<Dice<>>>::_Vector_impl" }
%"struct.std::_Vector_base<Dice<>, std::allocator<Dice<>>>::_Vector_impl" = type { %"struct.std::_Vector_base<Dice<>, std::allocator<Dice<>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Dice<>, std::allocator<Dice<>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%class.Dice = type { [6 x i32], [6 x i32] }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z13is_equivalentRK4DiceIiES2_(ptr noundef nonnull align 4 dereferenceable(48) %0, ptr noundef nonnull align 4 dereferenceable(48) %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %class.Dice, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  call void @_ZNK4DiceIiE3allEv(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %3, ptr noundef nonnull align 4 dereferenceable(48) %0)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %7 = call ptr @_ZNSt6vectorI4DiceIiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  store ptr %7, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %8 = call ptr @_ZNSt6vectorI4DiceIiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  store ptr %8, ptr %5, align 8
  %9 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP4DiceIiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %9, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2, %15
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %6) #5
  %10 = call noundef nonnull align 4 dereferenceable(48) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4DiceIiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(48) %10, i64 48, i1 false), !tbaa.struct !5
  %11 = invoke noundef zeroext i1 @_ZNK4DiceIiEeqERKS0_(ptr noundef nonnull align 4 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(48) %1)
          to label %14 unwind label %12

12:                                               ; preds = %.lr.ph
  %13 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @_ZNSt6vectorI4DiceIiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  resume { ptr, i32 } %13

14:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %6) #5
  br i1 %11, label %._crit_edge, label %15

15:                                               ; preds = %14
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP4DiceIiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %17 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP4DiceIiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %17, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %14, %15, %2
  %.lcssa = phi i1 [ false, %2 ], [ %11, %15 ], [ %11, %14 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @_ZNSt6vectorI4DiceIiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  ret i1 %.lcssa
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK4DiceIiE3allEv(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 4 dereferenceable(48)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4DiceIiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4DiceIiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIP4DiceIiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(48) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4DiceIiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK4DiceIiEeqERKS0_(ptr noundef nonnull align 4 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(48)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP4DiceIiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4DiceIiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { 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 #4 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 = !{i64 0, i64 24, !6, i64 24, i64 24, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass