; LLVM IR from libtcod/libtcod :: src/libtcod/parser.ll (Z10end_structP17TCOD_ParserStructPKc)

; 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" = type { ptr }
%class.TCODParser = type { ptr, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::unique_ptr<TCODParserStruct>, std::allocator<std::unique_ptr<TCODParserStruct>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::unique_ptr<TCODParserStruct>, std::allocator<std::unique_ptr<TCODParserStruct>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::unique_ptr<TCODParserStruct>, std::allocator<std::unique_ptr<TCODParserStruct>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::unique_ptr<TCODParserStruct>, std::allocator<std::unique_ptr<TCODParserStruct>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.TCODParserStruct = type { ptr }

@_ZL6parser = external hidden global ptr, align 8
@_ZL8listener = external hidden global ptr, align 8

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

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) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI16TCODParserStructSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI16TCODParserStructSt14default_deleteIS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt10unique_ptrI16TCODParserStructSt14default_deleteIS1_EESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt10unique_ptrI16TCODParserStructSt14default_deleteIS1_EESaIS4_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_cxxneIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z10end_structP17TCOD_ParserStructPKc(ptr noundef %0, ptr noundef %1) #1 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.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  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) #4
  %11 = load ptr, ptr @_ZL6parser, align 8, !tbaa !5
  %12 = getelementptr inbounds %class.TCODParser, ptr %11, i32 0, i32 1
  store ptr %12, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = call ptr @_ZNSt6vectorISt10unique_ptrI16TCODParserStructSt14default_deleteIS1_EESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #4
  %15 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %14, ptr %15, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = call ptr @_ZNSt6vectorISt10unique_ptrI16TCODParserStructSt14default_deleteIS1_EESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #4
  %18 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  br label %19

19:                                               ; preds = %48, %2
  %20 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %20, label %22, label %21

21:                                               ; preds = %19
  store i32 2, ptr %9, align 4
  br label %50

22:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  store ptr %23, ptr %10, align 8, !tbaa !5
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  %25 = call noundef ptr @_ZNKSt10unique_ptrI16TCODParserStructSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %24) #4
  %26 = getelementptr inbounds %class.TCODParserStruct, ptr %25, i32 0, i32 0
  %27 = load ptr, ptr %26, align 8, !tbaa !9
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = icmp eq ptr %27, %28
  br i1 %29, label %30, label %44

30:                                               ; preds = %22
  %31 = load ptr, ptr @_ZL8listener, align 8, !tbaa !5
  %32 = load ptr, ptr @_ZL6parser, align 8, !tbaa !5
  %33 = load ptr, ptr %10, align 8, !tbaa !5
  %34 = call noundef ptr @_ZNKSt10unique_ptrI16TCODParserStructSt14default_deleteIS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(8) %33) #4
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = load ptr, ptr %31, align 8, !tbaa !11
  %37 = getelementptr inbounds ptr, ptr %36, i64 5
  %38 = load ptr, ptr %37, align 8
  %39 = invoke noundef zeroext i1 %38(ptr noundef nonnull align 8 dereferenceable(8) %31, ptr noundef %32, ptr noundef %34, ptr noundef %35)
          to label %40 unwind label %55

40:                                               ; preds = %30
  %41 = zext i1 %39 to i64
  %42 = select i1 %39, i32 1, i32 0
  %43 = icmp ne i32 %42, 0
  store i1 %43, ptr %3, align 1
  store i32 1, ptr %9, align 4
  br label %45

44:                                               ; preds = %22
  store i32 0, ptr %9, align 4
  br label %45

45:                                               ; preds = %44, %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  %46 = load i32, ptr %9, align 4
  switch i32 %46, label %50 [
    i32 0, label %47
  ]

47:                                               ; preds = %45
  br label %48

48:                                               ; preds = %47
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br label %19

50:                                               ; preds = %45, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  %51 = load i32, ptr %9, align 4
  switch i32 %51, label %58 [
    i32 2, label %52
    i32 1, label %53
  ]

52:                                               ; preds = %50
  store i1 false, ptr %3, align 1
  br label %53

53:                                               ; preds = %52, %50
  %54 = load i1, ptr %3, align 1
  ret i1 %54

55:                                               ; preds = %30
  %56 = landingpad { ptr, i32 }
          catch ptr null
  %57 = extractvalue { ptr, i32 } %56, 0
  call void @__clang_call_terminate(ptr %57) #5
  unreachable

58:                                               ; preds = %50
  unreachable
}

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 = { noinline noreturn nounwind uwtable "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 }
attributes #5 = { noreturn 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, !6, i64 0}
!10 = !{!"_ZTS16TCODParserStruct", !6, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, 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.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZL6parser = external hidden local_unnamed_addr global ptr, align 8
@_ZL8listener = external hidden local_unnamed_addr global ptr, align 8

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

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) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI16TCODParserStructSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI16TCODParserStructSt14default_deleteIS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt10unique_ptrI16TCODParserStructSt14default_deleteIS1_EESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt10unique_ptrI16TCODParserStructSt14default_deleteIS1_EESaIS4_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_cxxneIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z10end_structP17TCOD_ParserStructPKc(ptr noundef readnone %0, ptr noundef %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = load ptr, ptr @_ZL6parser, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %5, i64 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %7 = tail call ptr @_ZNSt6vectorISt10unique_ptrI16TCODParserStructSt14default_deleteIS1_EESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  store ptr %7, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %8 = tail call ptr @_ZNSt6vectorISt10unique_ptrI16TCODParserStructSt14default_deleteIS1_EESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  store ptr %8, ptr %4, align 8
  %9 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %9, label %.lr.ph, label %.thread

.lr.ph:                                           ; preds = %2, %21
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %11 = call noundef ptr @_ZNKSt10unique_ptrI16TCODParserStructSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  %12 = load ptr, ptr %11, align 8, !tbaa !9
  %.not = icmp eq ptr %12, %0
  br i1 %.not, label %13, label %21

13:                                               ; preds = %.lr.ph
  %14 = load ptr, ptr @_ZL8listener, align 8, !tbaa !5
  %15 = load ptr, ptr @_ZL6parser, align 8, !tbaa !5
  %16 = call noundef ptr @_ZNKSt10unique_ptrI16TCODParserStructSt14default_deleteIS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  %17 = load ptr, ptr %14, align 8, !tbaa !11
  %18 = getelementptr inbounds i8, ptr %17, i64 40
  %19 = load ptr, ptr %18, align 8
  %20 = invoke noundef zeroext i1 %19(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef %15, ptr noundef %16, ptr noundef %1)
          to label %.thread unwind label %25

21:                                               ; preds = %.lr.ph
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %23 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt10unique_ptrI16TCODParserStructSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %23, label %.lr.ph, label %.thread

.thread:                                          ; preds = %21, %2, %13
  %24 = phi i1 [ true, %13 ], [ false, %2 ], [ false, %21 ]
  %.2 = phi i1 [ %20, %13 ], [ undef, %2 ], [ undef, %21 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  %spec.select = and i1 %24, %.2
  ret i1 %spec.select

25:                                               ; preds = %13
  %26 = landingpad { ptr, i32 }
          catch ptr null
  %27 = extractvalue { ptr, i32 } %26, 0
  call void @__clang_call_terminate(ptr %27) #5
  unreachable
}

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 = { noinline noreturn nounwind uwtable "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 }
attributes #5 = { noreturn 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, !6, i64 0}
!10 = !{!"_ZTS16TCODParserStruct", !6, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}


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