; LLVM IR from thepowersgang/mrustc :: tools/minicargo/cfg.ll (Z17Cfg_ToEnvironmentR12StringListKV)

; 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"

%struct.CfgChecker = type { %"class.std::unordered_set", %"class.std::unordered_multimap" }
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::unordered_multimap" = type { %"class.std::_Hashtable.6" }
%"class.std::_Hashtable.6" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { 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::__detail::_Node_iterator.27" = type { %"struct.std::__detail::_Node_iterator_base.28" }
%"struct.std::__detail::_Node_iterator_base.28" = type { ptr }
%"struct.std::pair" = type { %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string" }

@gCfgChecker = external dso_local global %struct.CfgChecker, align 8
@.str.4 = external hidden unnamed_addr constant [2 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: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

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

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z17Cfg_ToEnvironmentR12StringListKV(ptr noundef nonnull align 8 dereferenceable(96) %0) #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %5 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca %"struct.std::__detail::_Node_iterator.27", align 8
  %13 = alloca %"struct.std::__detail::_Node_iterator.27", align 8
  %14 = alloca ptr, align 8
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store ptr getelementptr (i8, ptr @gCfgChecker, i64 56), ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %16 = call ptr @_ZNSt18unordered_multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) getelementptr (i8, ptr @gCfgChecker, i64 56)) #3
  %17 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %4, i32 0, i32 0
  %18 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %17, i32 0, i32 0
  store ptr %16, ptr %18, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %19 = call ptr @_ZNSt18unordered_multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) getelementptr (i8, ptr @gCfgChecker, i64 56)) #3
  %20 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %5, i32 0, i32 0
  %21 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %20, i32 0, i32 0
  store ptr %19, ptr %21, align 8
  br label %22

22:                                               ; preds = %34, %1
  %23 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb1EEESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #3
  br i1 %23, label %25, label %24

24:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %45

25:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %26 = call noundef nonnull align 8 dereferenceable(64) ptr @_ZNKSt8__detail14_Node_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb0ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  store ptr %26, ptr %6, align 8, !tbaa !5
  %27 = load ptr, ptr %2, align 8, !tbaa !5
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = getelementptr inbounds %"struct.std::pair", ptr %28, i32 0, i32 0
  call void @_ZZ17Cfg_ToEnvironmentR12StringListKVEN1H9make_nameERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull align 8 dereferenceable(32) %29)
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = getelementptr inbounds %"struct.std::pair", ptr %30, i32 0, i32 1
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %31)
          to label %32 unwind label %36

32:                                               ; preds = %25
  invoke void @_ZN12StringListKV9push_backENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_(ptr noundef nonnull align 8 dereferenceable(96) %27, ptr noundef %7, ptr noundef %8)
          to label %33 unwind label %40

33:                                               ; preds = %32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %34

34:                                               ; preds = %33
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb0ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  br label %22

36:                                               ; preds = %25
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %9, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %10, align 4
  br label %44

40:                                               ; preds = %32
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %9, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  br label %44

44:                                               ; preds = %40, %36
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %67

45:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  store ptr @gCfgChecker, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #3
  %46 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) @gCfgChecker) #3
  %47 = getelementptr inbounds %"struct.std::__detail::_Node_iterator.27", ptr %12, i32 0, i32 0
  %48 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base.28", ptr %47, i32 0, i32 0
  store ptr %46, ptr %48, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #3
  %49 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56) @gCfgChecker) #3
  %50 = getelementptr inbounds %"struct.std::__detail::_Node_iterator.27", ptr %13, i32 0, i32 0
  %51 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base.28", ptr %50, i32 0, i32 0
  store ptr %49, ptr %51, align 8
  br label %52

52:                                               ; preds = %60, %45
  %53 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #3
  br i1 %53, label %55, label %54

54:                                               ; preds = %52
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  br label %66

55:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #3
  %56 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #3
  store ptr %56, ptr %14, align 8, !tbaa !5
  %57 = load ptr, ptr %2, align 8, !tbaa !5
  %58 = load ptr, ptr %14, align 8, !tbaa !5
  call void @_ZZ17Cfg_ToEnvironmentR12StringListKVEN1H9make_nameERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %15, ptr noundef nonnull align 8 dereferenceable(32) %58)
  invoke void @_ZN12StringListKV9push_backENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKc(ptr noundef nonnull align 8 dereferenceable(96) %57, ptr noundef %15, ptr noundef @.str.4)
          to label %59 unwind label %62

59:                                               ; preds = %55
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #3
  br label %60

60:                                               ; preds = %59
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #3
  br label %52

62:                                               ; preds = %55
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %9, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  br label %67

66:                                               ; preds = %54
  ret void

67:                                               ; preds = %62, %44
  %68 = load ptr, ptr %9, align 8
  %69 = load i32, ptr %10, align 4
  %70 = insertvalue { ptr, i32 } poison, ptr %68, 0
  %71 = insertvalue { ptr, i32 } %70, i32 %69, 1
  resume { ptr, i32 } %71
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt18unordered_multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt18unordered_multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb1EEESC_(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(64) ptr @_ZNKSt8__detail14_Node_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb0ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12StringListKV9push_backENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_(ptr noundef nonnull align 8 dereferenceable(96), ptr noundef, ptr noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare hidden void @_ZZ17Cfg_ToEnvironmentR12StringListKVEN1H9make_nameERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb0ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(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(32) ptr @_ZNKSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12StringListKV9push_backENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKc(ptr noundef nonnull align 8 dereferenceable(96), ptr noundef, ptr noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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"}


; 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"

%struct.CfgChecker = type { %"class.std::unordered_set", %"class.std::unordered_multimap" }
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::unordered_multimap" = type { %"class.std::_Hashtable.6" }
%"class.std::_Hashtable.6" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { 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::__detail::_Node_iterator.27" = type { %"struct.std::__detail::_Node_iterator_base.28" }
%"struct.std::__detail::_Node_iterator_base.28" = type { ptr }

@gCfgChecker = external dso_local global %struct.CfgChecker, align 8
@.str.4 = external hidden unnamed_addr constant [2 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 uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

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

; 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 uwtable
define dso_local void @_Z17Cfg_ToEnvironmentR12StringListKV(ptr noundef nonnull align 8 dereferenceable(96) %0) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %3 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"struct.std::__detail::_Node_iterator.27", align 8
  %7 = alloca %"struct.std::__detail::_Node_iterator.27", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %9 = tail call ptr @_ZNSt18unordered_multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) getelementptr inbounds (i8, ptr @gCfgChecker, i64 56)) #3
  store ptr %9, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %10 = tail call ptr @_ZNSt18unordered_multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) getelementptr inbounds (i8, ptr @gCfgChecker, i64 56)) #3
  store ptr %10, ptr %3, align 8
  %11 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb1EEESC_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  br i1 %11, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %18, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  %12 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) @gCfgChecker) #3
  store ptr %12, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #3
  %13 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56) @gCfgChecker) #3
  store ptr %13, ptr %7, align 8
  %14 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #3
  br i1 %14, label %.lr.ph11, label %._crit_edge12

.lr.ph:                                           ; preds = %1, %18
  %15 = call noundef nonnull align 8 dereferenceable(64) ptr @_ZNKSt8__detail14_Node_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb0ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  call void @_ZZ17Cfg_ToEnvironmentR12StringListKVEN1H9make_nameERKNSt7__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) %15)
  %16 = getelementptr inbounds i8, ptr %15, i64 32
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 8 dereferenceable(32) %16)
          to label %17 unwind label %21

17:                                               ; preds = %.lr.ph
  invoke void @_ZN12StringListKV9push_backENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef nonnull %4, ptr noundef nonnull %5)
          to label %18 unwind label %23

18:                                               ; preds = %17
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb0ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  %20 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb1EEESC_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  br i1 %20, label %.lr.ph, label %._crit_edge

21:                                               ; preds = %.lr.ph
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %25

23:                                               ; preds = %17
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  br label %25

25:                                               ; preds = %23, %21
  %.pn = phi { ptr, i32 } [ %24, %23 ], [ %22, %21 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  br label %32

._crit_edge12:                                    ; preds = %27, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  ret void

.lr.ph11:                                         ; preds = %._crit_edge, %27
  %26 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #3
  call void @_ZZ17Cfg_ToEnvironmentR12StringListKVEN1H9make_nameERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %26)
  invoke void @_ZN12StringListKV9push_backENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKc(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef nonnull %8, ptr noundef nonnull @.str.4)
          to label %27 unwind label %30

27:                                               ; preds = %.lr.ph11
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #3
  %29 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #3
  br i1 %29, label %.lr.ph11, label %._crit_edge12

30:                                               ; preds = %.lr.ph11
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  br label %32

32:                                               ; preds = %30, %25
  %.pn.pn = phi { ptr, i32 } [ %.pn, %25 ], [ %31, %30 ]
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt18unordered_multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt18unordered_multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb1EEESC_(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(64) ptr @_ZNKSt8__detail14_Node_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb0ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12StringListKV9push_backENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_(ptr noundef nonnull align 8 dereferenceable(96), ptr noundef, ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare hidden void @_ZZ17Cfg_ToEnvironmentR12StringListKVEN1H9make_nameERKNSt7__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 #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_ELb0ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(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(32) ptr @_ZNKSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12StringListKV9push_backENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKc(ptr noundef nonnull align 8 dereferenceable(96), ptr noundef, ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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)"}


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