; LLVM IR from NervanaSystems/ngraph :: src/ngraph/pass (concat_fusion)

; 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.__gnu_cxx::__normal_iterator.52" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.138" = type { ptr }
%"class.ngraph::pass::SelfConcatFusion" = type { %"class.ngraph::pass::FunctionPass", %"class.std::vector.47" }
%"class.ngraph::pass::FunctionPass" = type { %"class.ngraph::pass::PassBase", %"class.std::shared_ptr.16" }
%"class.ngraph::pass::PassBase" = type { ptr, %"class.ngraph::EnumMask", ptr }
%"class.ngraph::EnumMask" = type { i32 }
%"class.std::shared_ptr.16" = type { %"class.std::__shared_ptr.17" }
%"class.std::__shared_ptr.17" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"class.std::vector.47" = type { %"struct.std::_Vector_base.48" }
%"struct.std::_Vector_base.48" = type { %"struct.std::_Vector_base<std::vector<std::shared_ptr<ngraph::Node>>, std::allocator<std::vector<std::shared_ptr<ngraph::Node>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::shared_ptr<ngraph::Node>>, std::allocator<std::vector<std::shared_ptr<ngraph::Node>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::shared_ptr<ngraph::Node>>, std::allocator<std::vector<std::shared_ptr<ngraph::Node>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::shared_ptr<ngraph::Node>>, std::allocator<std::vector<std::shared_ptr<ngraph::Node>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; 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 ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6ngraph4pass16SelfConcatFusion31remove_single_concat_op_patternEv(ptr noundef nonnull align 8 dereferenceable(64) %0) #3 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator.52", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.52", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator.52", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator.138", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator.52", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %8 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %9 = getelementptr inbounds %"class.ngraph::pass::SelfConcatFusion", ptr %8, i32 0, i32 1
  %10 = call ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  %11 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.52", ptr %3, i32 0, i32 0
  store ptr %10, ptr %11, align 8
  br label %12

12:                                               ; preds = %30, %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %13 = getelementptr inbounds %"class.ngraph::pass::SelfConcatFusion", ptr %8, i32 0, i32 1
  %14 = call ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %15 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.52", ptr %4, i32 0, i32 0
  store ptr %14, ptr %15, align 8
  %16 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br i1 %16, label %17, label %31

17:                                               ; preds = %12
  %18 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  %19 = call noundef i64 @_ZNKSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %18) #5
  %20 = icmp eq i64 %19, 1
  br i1 %20, label %21, label %27

21:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %22 = getelementptr inbounds %"class.ngraph::pass::SelfConcatFusion", ptr %8, i32 0, i32 1
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEC2IPS7_vEERKNS0_IT_SB_EE(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  %23 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.138", ptr %6, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8
  %25 = call ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS5_S7_EE(ptr noundef nonnull align 8 dereferenceable(24) %22, ptr %24)
  %26 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.52", ptr %5, i32 0, i32 0
  store ptr %25, ptr %26, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %3, ptr align 8 %5, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %30

27:                                               ; preds = %17
  %28 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef 0) #5
  %29 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.52", ptr %7, i32 0, i32 0
  store ptr %28, ptr %29, align 8
  br label %30

30:                                               ; preds = %27, %21
  br label %12, !llvm.loop !10

31:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS5_S7_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEC2IPS7_vEERKNS0_IT_SB_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 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 nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1 align 2

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 = { 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 = { 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 #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 8, !5}
!10 = distinct !{!10, !11}
!11 = !{!"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"

%"class.__gnu_cxx::__normal_iterator.52" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.138" = type { ptr }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress 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 ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6ngraph4pass16SelfConcatFusion31remove_single_concat_op_patternEv(ptr noundef nonnull align 8 dereferenceable(64) %0) local_unnamed_addr #3 align 2 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator.52", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator.52", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.138", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %5 = getelementptr inbounds i8, ptr %0, i64 40
  %6 = tail call ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  store ptr %6, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %7 = tail call ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  store ptr %7, ptr %3, align 8
  %8 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  br i1 %8, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1, %17
  %9 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %10 = call noundef i64 @_ZNKSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  %11 = icmp eq i64 %10, 1
  br i1 %11, label %12, label %15

12:                                               ; preds = %.lr.ph
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEC2IPS7_vEERKNS0_IT_SB_EE(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %13 = load ptr, ptr %4, align 8
  %14 = call ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS5_S7_EE(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr %13)
  store ptr %14, ptr %2, align 8, !tbaa !5
  br label %17

15:                                               ; preds = %.lr.ph
  %16 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef 0) #4
  br label %17

17:                                               ; preds = %15, %12
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %18 = call ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  store ptr %18, ptr %3, align 8
  %19 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  br i1 %19, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %17, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorIS_ISt10shared_ptrIN6ngraph4NodeEESaIS3_EESaIS5_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS5_S7_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEC2IPS7_vEERKNS0_IT_SB_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorISt10shared_ptrIN6ngraph4NodeEESaIS5_EES1_IS7_SaIS7_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress 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 = { 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 = { 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 #4 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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