; LLVM IR from Tiramisu-Compiler/tiramisu :: benchmarks/linear_algebra/cg (YAML_Element)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%class.YAML_Element = type { %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<YAML_Element *, std::allocator<YAML_Element *>>::_Vector_impl" }
%"struct.std::_Vector_base<YAML_Element *, std::allocator<YAML_Element *>>::_Vector_impl" = type { %"struct.std::_Vector_base<YAML_Element *, std::allocator<YAML_Element *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<YAML_Element *, std::allocator<YAML_Element *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP12YAML_ElementSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP12YAML_ElementSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN12YAML_Element3getERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %10

10:                                               ; preds = %29, %2
  %11 = load i64, ptr %6, align 8, !tbaa !9
  %12 = getelementptr inbounds %class.YAML_Element, ptr %9, i32 0, i32 2
  %13 = call noundef i64 @_ZNKSt6vectorIP12YAML_ElementSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  %14 = icmp ult i64 %11, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %10
  store i32 2, ptr %7, align 4
  br label %32

16:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #4
  %17 = getelementptr inbounds %class.YAML_Element, ptr %9, i32 0, i32 2
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP12YAML_ElementSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %18) #4
  %20 = load ptr, ptr %19, align 8, !tbaa !5
  call void @_ZN12YAML_Element6getKeyB5cxx11Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(88) %20)
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = call noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %21) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #4
  br i1 %22, label %23, label %28

23:                                               ; preds = %16
  %24 = getelementptr inbounds %class.YAML_Element, ptr %9, i32 0, i32 2
  %25 = load i64, ptr %6, align 8, !tbaa !9
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP12YAML_ElementSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %24, i64 noundef %25) #4
  %27 = load ptr, ptr %26, align 8, !tbaa !5
  store ptr %27, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %32

28:                                               ; preds = %16
  br label %29

29:                                               ; preds = %28
  %30 = load i64, ptr %6, align 8, !tbaa !9
  %31 = add i64 %30, 1
  store i64 %31, ptr %6, align 8, !tbaa !9
  br label %10, !llvm.loop !11

32:                                               ; preds = %23, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  %33 = load i32, ptr %7, align 4
  switch i32 %33, label %37 [
    i32 2, label %34
    i32 1, label %35
  ]

34:                                               ; preds = %32
  store ptr null, ptr %3, align 8
  br label %35

35:                                               ; preds = %34, %32
  %36 = load ptr, ptr %3, align 8
  ret ptr %36

37:                                               ; preds = %32
  unreachable
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12YAML_Element6getKeyB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(88)) #2 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; 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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP12YAML_ElementSaIS1_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(8) ptr @_ZNSt6vectorIP12YAML_ElementSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; 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 uwtable
define dso_local noundef ptr @_ZN12YAML_Element3getERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) local_unnamed_addr #2 align 2 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = getelementptr inbounds i8, ptr %0, i64 64
  %5 = tail call noundef i64 @_ZNKSt6vectorIP12YAML_ElementSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  %.not11.not = icmp eq i64 %5, 0
  br i1 %.not11.not, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %2, %12
  %.0712 = phi i64 [ %13, %12 ], [ 0, %2 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #4
  %6 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP12YAML_ElementSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.0712) #4
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN12YAML_Element6getKeyB5cxx11Ev(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef nonnull align 8 dereferenceable(88) %7)
  %8 = call noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  br i1 %8, label %9, label %12

9:                                                ; preds = %.lr.ph
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP12YAML_ElementSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.0712) #4
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  br label %.loopexit

12:                                               ; preds = %.lr.ph
  %13 = add nuw i64 %.0712, 1
  %14 = call noundef i64 @_ZNKSt6vectorIP12YAML_ElementSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  %.not = icmp ult i64 %13, %14
  br i1 %.not, label %.lr.ph, label %.loopexit, !llvm.loop !9

.loopexit:                                        ; preds = %12, %2, %9
  %spec.select = phi ptr [ %11, %9 ], [ null, %2 ], [ null, %12 ]
  ret ptr %spec.select
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12YAML_Element6getKeyB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(88)) local_unnamed_addr #2 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass