; LLVM IR from MikeMirzayanov/testlib :: checkers/acmp.ll (Z18ensureNoUnusedOptsv)

; 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::map.50" = type { %"class.std::_Rb_tree.51" }
%"class.std::_Rb_tree.51" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, TestlibOpt>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, TestlibOpt>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, TestlibOpt>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, TestlibOpt>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"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] }
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair" = type { %"class.std::__cxx11::basic_string", %struct.TestlibOpt }
%struct.TestlibOpt = type <{ %"class.std::__cxx11::basic_string", i8, [7 x i8] }>

@_Z14__testlib_optsB5cxx11 = external dso_local global %"class.std::map.50", align 8
@.str.439 = external hidden unnamed_addr constant [22 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

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 void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress noreturn uwtable
declare hidden void @_ZL14__testlib_failRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z15testlib_format_B5cxx11PKcz(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ...) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind willreturn memory(argmem: readwrite) uwtable
declare dso_local void @_Z8compressRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptSt4lessIS5_ESaISt4pairIKS5_S6_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z18ensureNoUnusedOptsv() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca ptr, align 8
  %2 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %3 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #5
  store ptr @_Z14__testlib_optsB5cxx11, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %9 = call ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptSt4lessIS5_ESaISt4pairIKS5_S6_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @_Z14__testlib_optsB5cxx11) #5
  %10 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %2, i32 0, i32 0
  store ptr %9, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %11 = call ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptSt4lessIS5_ESaISt4pairIKS5_S6_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @_Z14__testlib_optsB5cxx11) #5
  %12 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %3, i32 0, i32 0
  store ptr %11, ptr %12, align 8
  br label %13

13:                                               ; preds = %39, %0
  %14 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEESC_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  br i1 %14, label %16, label %15

15:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #5
  br label %41

16:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %17 = call noundef nonnull align 8 dereferenceable(72) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  store ptr %17, ptr %4, align 8, !tbaa !5
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %"struct.std::pair", ptr %18, i32 0, i32 1
  %20 = getelementptr inbounds %struct.TestlibOpt, ptr %19, i32 0, i32 1
  %21 = load i8, ptr %20, align 8, !tbaa !9, !range !16, !noundef !17
  %22 = trunc i8 %21 to i1
  br i1 %22, label %38, label %23

23:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #5
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds %"struct.std::pair", ptr %24, i32 0, i32 0
  call void @_Z8compressRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %6, ptr noundef nonnull align 8 dereferenceable(32) %25) #6
  %26 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  invoke void (ptr, ptr, ...) @_Z15testlib_format_B5cxx11PKcz(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef @.str.439, ptr noundef %26)
          to label %27 unwind label %29

27:                                               ; preds = %23
  invoke void @_ZL14__testlib_failRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
          to label %28 unwind label %33

28:                                               ; preds = %27
  unreachable

29:                                               ; preds = %23
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %7, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %8, align 4
  br label %37

33:                                               ; preds = %27
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %7, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %8, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  br label %37

37:                                               ; preds = %33, %29
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #5
  br label %42

38:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %39

39:                                               ; preds = %38
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  br label %13

41:                                               ; preds = %15
  ret void

42:                                               ; preds = %37
  %43 = load ptr, ptr %7, align 8
  %44 = load i32, ptr %8, align 4
  %45 = insertvalue { ptr, i32 } poison, ptr %43, 0
  %46 = insertvalue { ptr, i32 } %45, i32 %44, 1
  resume { ptr, i32 } %46
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptSt4lessIS5_ESaISt4pairIKS5_S6_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(72) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #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 = { mustprogress noreturn 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 = { inlinehint mustprogress nounwind willreturn memory(argmem: readwrite) 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 #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(argmem: readwrite) }
attributes #7 = { noreturn }

!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, !15, i64 64}
!10 = !{!"_ZTSSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptE", !11, i64 0, !14, i64 32}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !12, i64 0, !13, i64 8, !7, i64 16}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!13 = !{!"long", !7, i64 0}
!14 = !{!"_ZTS10TestlibOpt", !11, i64 0, !15, i64 32}
!15 = !{!"bool", !7, i64 0}
!16 = !{i8 0, i8 2}
!17 = !{}


; 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::map.50" = type { %"class.std::_Rb_tree.51" }
%"class.std::_Rb_tree.51" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, TestlibOpt>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, TestlibOpt>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, TestlibOpt>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, TestlibOpt>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"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] }
%"struct.std::_Rb_tree_iterator" = type { ptr }

@_Z14__testlib_optsB5cxx11 = external dso_local global %"class.std::map.50", align 8
@.str.439 = external hidden unnamed_addr constant [22 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

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 void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress noreturn uwtable
declare hidden void @_ZL14__testlib_failRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z15testlib_format_B5cxx11PKcz(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ...) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind willreturn memory(argmem: readwrite) uwtable
declare dso_local void @_Z8compressRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptSt4lessIS5_ESaISt4pairIKS5_S6_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z18ensureNoUnusedOptsv() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %2 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %5 = tail call ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptSt4lessIS5_ESaISt4pairIKS5_S6_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @_Z14__testlib_optsB5cxx11) #5
  store ptr %5, ptr %1, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %6 = tail call ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptSt4lessIS5_ESaISt4pairIKS5_S6_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @_Z14__testlib_optsB5cxx11) #5
  store ptr %6, ptr %2, align 8
  %7 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEESC_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  br i1 %7, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %21, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret void

.lr.ph:                                           ; preds = %0, %21
  %8 = call noundef nonnull align 8 dereferenceable(72) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #5
  %9 = getelementptr inbounds i8, ptr %8, i64 64
  %10 = load i8, ptr %9, align 8, !tbaa !5, !range !15, !noundef !16
  %11 = trunc nuw i8 %10 to i1
  br i1 %11, label %21, label %12

12:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #5
  call void @_Z8compressRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %13 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  invoke void (ptr, ptr, ...) @_Z15testlib_format_B5cxx11PKcz(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef nonnull @.str.439, ptr noundef %13)
          to label %14 unwind label %16

14:                                               ; preds = %12
  invoke void @_ZL14__testlib_failRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
          to label %15 unwind label %18

15:                                               ; preds = %14
  unreachable

16:                                               ; preds = %12
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %20

18:                                               ; preds = %14
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  br label %20

20:                                               ; preds = %18, %16
  %.pn = phi { ptr, i32 } [ %19, %18 ], [ %17, %16 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn

21:                                               ; preds = %.lr.ph
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #5
  %23 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEESC_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  br i1 %23, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptSt4lessIS5_ESaISt4pairIKS5_S6_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(72) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEEdeEv(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 @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) 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 = { mustprogress noreturn 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 = { inlinehint mustprogress nounwind willreturn memory(argmem: readwrite) 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 #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(argmem: readwrite) }
attributes #7 = { noreturn }

!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, !14, i64 64}
!6 = !{!"_ZTSSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE10TestlibOptE", !7, i64 0, !13, i64 32}
!7 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !8, i64 0, !12, i64 8, !10, i64 16}
!8 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !9, i64 0}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"long", !10, i64 0}
!13 = !{!"_ZTS10TestlibOpt", !7, i64 0, !14, i64 32}
!14 = !{!"bool", !10, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}


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