; LLVM IR from gulrak/filesystem :: test/filesystem_test.ll (ZNK5Catch6Detail8EnumInfo6lookupEi)

; 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.Catch::StringRef" = type { ptr, i64 }
%"class.__gnu_cxx::__normal_iterator.66" = type { ptr }
%"struct.Catch::Detail::EnumInfo" = type { %"class.Catch::StringRef", %"class.std::vector.61" }
%"class.std::vector.61" = type { %"struct.std::_Vector_base.62" }
%"struct.std::_Vector_base.62" = type { %"struct.std::_Vector_base<std::pair<int, Catch::StringRef>, std::allocator<std::pair<int, Catch::StringRef>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, Catch::StringRef>, std::allocator<std::pair<int, Catch::StringRef>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, Catch::StringRef>, std::allocator<std::pair<int, Catch::StringRef>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, Catch::StringRef>, std::allocator<std::pair<int, Catch::StringRef>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, %"class.Catch::StringRef" }

@.str.111 = external hidden unnamed_addr constant [30 x i8], align 1

; 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: 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) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local { ptr, i64 } @_ZNK5Catch6Detail8EnumInfo6lookupEi(ptr noundef nonnull align 8 dereferenceable(40) %0, i32 noundef %1) #2 align 2 {
  %3 = alloca %"class.Catch::StringRef", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator.66", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator.66", align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %11 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %12 = getelementptr inbounds %"struct.Catch::Detail::EnumInfo", 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 @_ZNKSt6vectorISt4pairIiN5Catch9StringRefEESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #4
  %15 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.66", 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 @_ZNKSt6vectorISt4pairIiN5Catch9StringRefEESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #4
  %18 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.66", ptr %8, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  br label %19

19:                                               ; preds = %36, %2
  %20 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_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 %38

22:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %23 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_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 = getelementptr inbounds %"struct.std::pair", ptr %24, i32 0, i32 0
  %26 = load i32, ptr %25, align 8, !tbaa !11
  %27 = load i32, ptr %5, align 4, !tbaa !9
  %28 = icmp eq i32 %26, %27
  br i1 %28, label %29, label %32

29:                                               ; preds = %22
  %30 = load ptr, ptr %10, align 8, !tbaa !5
  %31 = getelementptr inbounds %"struct.std::pair", ptr %30, i32 0, i32 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %3, ptr align 8 %31, i64 16, i1 false), !tbaa.struct !15
  store i32 1, ptr %9, align 4
  br label %33

32:                                               ; preds = %22
  store i32 0, ptr %9, align 4
  br label %33

33:                                               ; preds = %32, %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  %34 = load i32, ptr %9, align 4
  switch i32 %34, label %38 [
    i32 0, label %35
  ]

35:                                               ; preds = %33
  br label %36

36:                                               ; preds = %35
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br label %19

38:                                               ; preds = %33, %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
  %39 = load i32, ptr %9, align 4
  switch i32 %39, label %48 [
    i32 2, label %40
    i32 1, label %46
  ]

40:                                               ; preds = %38
  %41 = call { ptr, i64 } @_ZN5Catchli3_srEPKcm(ptr noundef @.str.111, i64 noundef 29) #4
  %42 = getelementptr inbounds { ptr, i64 }, ptr %3, i32 0, i32 0
  %43 = extractvalue { ptr, i64 } %41, 0
  store ptr %43, ptr %42, align 8
  %44 = getelementptr inbounds { ptr, i64 }, ptr %3, i32 0, i32 1
  %45 = extractvalue { ptr, i64 } %41, 1
  store i64 %45, ptr %44, align 8
  br label %46

46:                                               ; preds = %40, %38
  %47 = load { ptr, i64 }, ptr %3, align 8
  ret { ptr, i64 } %47

48:                                               ; preds = %38
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt4pairIiN5Catch9StringRefEESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt4pairIiN5Catch9StringRefEESaIS3_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_cxxneIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(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 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local { ptr, i64 } @_ZN5Catchli3_srEPKcm(ptr noundef, i64 noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree 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 = { 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 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_ZTSSt4pairIiN5Catch9StringRefEE", !10, i64 0, !13, i64 8}
!13 = !{!"_ZTSN5Catch9StringRefE", !6, i64 0, !14, i64 8}
!14 = !{!"long", !7, i64 0}
!15 = !{i64 0, i64 8, !5, i64 8, i64 8, !16}
!16 = !{!14, !14, 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.66" = type { ptr }

@.str.111 = external hidden unnamed_addr constant [30 x i8], align 1

; 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
define dso_local { ptr, i64 } @_ZNK5Catch6Detail8EnumInfo6lookupEi(ptr noundef nonnull align 8 dereferenceable(40) %0, i32 noundef %1) local_unnamed_addr #1 align 2 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator.66", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.66", align 8
  %5 = getelementptr inbounds i8, ptr %0, i64 16
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %6 = tail call ptr @_ZNKSt6vectorISt4pairIiN5Catch9StringRefEESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  store ptr %6, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %7 = tail call ptr @_ZNKSt6vectorISt4pairIiN5Catch9StringRefEESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  store ptr %7, ptr %4, align 8
  %8 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  br i1 %8, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2, %11
  %9 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %10 = load i32, ptr %9, align 8, !tbaa !5
  %.not = icmp eq i32 %10, %1
  br i1 %.not, label %14, label %11

11:                                               ; preds = %.lr.ph
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %13 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  br i1 %13, label %.lr.ph, label %._crit_edge

14:                                               ; preds = %.lr.ph
  %.sroa.3.0..sroa_idx = getelementptr inbounds i8, ptr %9, i64 16
  %.sroa.3.0.copyload = load i64, ptr %.sroa.3.0..sroa_idx, align 8
  %15 = getelementptr inbounds i8, ptr %9, i64 8
  %.sroa.0.0.copyload = load ptr, ptr %15, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  br label %19

._crit_edge:                                      ; preds = %11, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  %16 = call { ptr, i64 } @_ZN5Catchli3_srEPKcm(ptr noundef nonnull @.str.111, i64 noundef 29) #3
  %17 = extractvalue { ptr, i64 } %16, 0
  %18 = extractvalue { ptr, i64 } %16, 1
  br label %19

19:                                               ; preds = %14, %._crit_edge
  %.sroa.0.3 = phi ptr [ %.sroa.0.0.copyload, %14 ], [ %17, %._crit_edge ]
  %.sroa.3.3 = phi i64 [ %.sroa.3.0.copyload, %14 ], [ %18, %._crit_edge ]
  %.fca.0.insert = insertvalue { ptr, i64 } poison, ptr %.sroa.0.3, 0
  %.fca.1.insert = insertvalue { ptr, i64 } %.fca.0.insert, i64 %.sroa.3.3, 1
  ret { ptr, i64 } %.fca.1.insert
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt4pairIiN5Catch9StringRefEESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt4pairIiN5Catch9StringRefEESaIS3_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_cxxneIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_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(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIiN5Catch9StringRefEESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local { ptr, i64 } @_ZN5Catchli3_srEPKcm(ptr noundef, i64 noundef) local_unnamed_addr #1

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 = { 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, !7, i64 0}
!6 = !{!"_ZTSSt4pairIiN5Catch9StringRefEE", !7, i64 0, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSN5Catch9StringRefE", !11, i64 0, !12, i64 8}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!"long", !8, i64 0}


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