; LLVM IR from hbirchtree/coffeecutie :: src/peripheral/platform/platforms/posix (environment)

; 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" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>>>, 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>, std::__cxx11::basic_string<char>>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>>>, 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::pair.3" = type { %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string" }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_iterator" = type { ptr }

@environ = external global ptr, align 8
@.str = 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: 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8platform3env5posix12EnvironmentF11EnvironmentB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::map") align 8 %0) #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i1, align 1
  %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 i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair.3", align 8
  %12 = alloca %"struct.std::pair", align 8
  store ptr %0, ptr %2, align 8
  store i1 false, ptr %3, align 1
  call void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %13 = load ptr, ptr @environ, align 8, !tbaa !5
  %14 = getelementptr inbounds ptr, ptr %13, i64 0
  %15 = load ptr, ptr %14, align 8, !tbaa !5
  store ptr %15, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  br label %16

16:                                               ; preds = %55, %25, %1
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %19, label %75

19:                                               ; preds = %16
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = invoke noundef ptr @_ZN4libc3str4findINS0_9find_modeILb0ELb0EEEcTnPNSt9enable_ifIXntsrT_8reversedEvE4typeELPv0EEEPKT0_SC_SC_(ptr noundef %20, ptr noundef @.str)
          to label %22 unwind label %26

22:                                               ; preds = %19
  store ptr %21, ptr %8, align 8, !tbaa !5
  %23 = load ptr, ptr %8, align 8, !tbaa !5
  %24 = icmp ne ptr %23, null
  br i1 %24, label %30, label %25

25:                                               ; preds = %22
  br label %16, !llvm.loop !11

26:                                               ; preds = %50, %46, %42, %40, %33, %30, %19
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %9, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %10, align 4
  br label %77

30:                                               ; preds = %22
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = invoke noundef ptr @_ZL6C_CASTIPKcPcET_T0_(ptr noundef %31)
          to label %33 unwind label %26

33:                                               ; preds = %30
  %34 = load ptr, ptr %8, align 8, !tbaa !5
  %35 = load ptr, ptr %4, align 8, !tbaa !5
  %36 = ptrtoint ptr %34 to i64
  %37 = ptrtoint ptr %35 to i64
  %38 = sub i64 %36, %37
  %39 = invoke noundef i64 @_ZL6C_CASTImlET_T0_(i64 noundef %38)
          to label %40 unwind label %26

40:                                               ; preds = %33
  %41 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmPKcm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef 0, ptr noundef %32, i64 noundef %39)
          to label %42 unwind label %26

42:                                               ; preds = %40
  %43 = load ptr, ptr %8, align 8, !tbaa !5
  %44 = getelementptr inbounds i8, ptr %43, i64 1
  %45 = invoke noundef ptr @_ZL6C_CASTIPKcS1_ET_T0_(ptr noundef %44)
          to label %46 unwind label %26

46:                                               ; preds = %42
  %47 = load ptr, ptr %8, align 8, !tbaa !5
  %48 = getelementptr inbounds i8, ptr %47, i64 1
  %49 = invoke noundef i64 @_ZN4libc3str3lenIcTnPNS0_12char_of_typeIT_cLDnELPv0EE4typeELPc0EEEmPKS3_(ptr noundef %48)
          to label %50 unwind label %26

50:                                               ; preds = %46
  %51 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmPKcm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef 0, ptr noundef %45, i64 noundef %49)
          to label %52 unwind label %26

52:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 64, ptr %11) #6
  invoke void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_EC2IRS5_S8_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairISA_SB_EEEbE4typeELb1EEEOSA_OSB_(ptr noundef nonnull align 8 dereferenceable(64) %11, ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %53 unwind label %66

53:                                               ; preds = %52
  %54 = invoke { ptr, i8 } @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEE6insertIS8_IS5_S5_EEENSt9enable_ifIXsr16is_constructibleISA_T_EE5valueES8_ISt17_Rb_tree_iteratorISA_EbEE4typeEOSG_(ptr noundef nonnull align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(64) %11)
          to label %55 unwind label %70

55:                                               ; preds = %53
  %56 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 0
  %57 = extractvalue { ptr, i8 } %54, 0
  store ptr %57, ptr %56, align 8
  %58 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 1
  %59 = extractvalue { ptr, i8 } %54, 1
  store i8 %59, ptr %58, align 8
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ED2Ev(ptr noundef nonnull align 8 dereferenceable(64) %11) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr %11) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5clearEv(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5clearEv(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  %60 = load i64, ptr %7, align 8, !tbaa !9
  %61 = add i64 %60, 1
  store i64 %61, ptr %7, align 8, !tbaa !9
  %62 = load ptr, ptr @environ, align 8, !tbaa !5
  %63 = load i64, ptr %7, align 8, !tbaa !9
  %64 = getelementptr inbounds ptr, ptr %62, i64 %63
  %65 = load ptr, ptr %64, align 8, !tbaa !5
  store ptr %65, ptr %4, align 8, !tbaa !5
  br label %16, !llvm.loop !11

66:                                               ; preds = %52
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %9, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %10, align 4
  br label %74

70:                                               ; preds = %53
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %9, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %10, align 4
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ED2Ev(ptr noundef nonnull align 8 dereferenceable(64) %11) #6
  br label %74

74:                                               ; preds = %70, %66
  call void @llvm.lifetime.end.p0(i64 64, ptr %11) #6
  br label %77

75:                                               ; preds = %16
  store i1 true, ptr %3, align 1
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  %76 = load i1, ptr %3, align 1
  br i1 %76, label %79, label %78

77:                                               ; preds = %74, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) #6
  br label %80

78:                                               ; preds = %75
  call void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) #6
  br label %79

79:                                               ; preds = %78, %75
  ret void

80:                                               ; preds = %77
  %81 = load ptr, ptr %9, align 8
  %82 = load i32, ptr %10, align 4
  %83 = insertvalue { ptr, i32 } poison, ptr %81, 0
  %84 = insertvalue { ptr, i32 } %83, i32 %82, 1
  resume { ptr, i32 } %84
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: alwaysinline mustprogress uwtable
declare dso_local noundef ptr @_ZN4libc3str4findINS0_9find_modeILb0ELb0EEEcTnPNSt9enable_ifIXntsrT_8reversedEvE4typeELPv0EEEPKT0_SC_SC_(ptr noundef, ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmPKcm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, ptr noundef, i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef ptr @_ZL6C_CASTIPKcPcET_T0_(ptr noundef) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef i64 @_ZL6C_CASTImlET_T0_(i64 noundef) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef ptr @_ZL6C_CASTIPKcS1_ET_T0_(ptr noundef) #4

; Function Attrs: alwaysinline mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN4libc3str3lenIcTnPNS0_12char_of_typeIT_cLDnELPv0EE4typeELPc0EEEmPKS3_(ptr noundef) #5

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEE6insertIS8_IS5_S5_EEENSt9enable_ifIXsr16is_constructibleISA_T_EE5valueES8_ISt17_Rb_tree_iteratorISA_EbEE4typeEOSG_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(64)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_EC2IRS5_S8_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairISA_SB_EEEbE4typeELb1EEEOSA_OSB_(ptr noundef nonnull align 8 dereferenceable(64), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ED2Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5clearEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #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 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 = { alwaysinline 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 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 = { alwaysinline 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 #6 = { 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>>>, 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>, std::__cxx11::basic_string<char>>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>>>, 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::pair.3" = type { %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string" }

@environ = external local_unnamed_addr global ptr, align 8
@.str = 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 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8platform3env5posix12EnvironmentF11EnvironmentB5cxx11Ev(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::map") align 8 %0) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"struct.std::pair.3", align 8
  tail call void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) #6
  %5 = load ptr, ptr @environ, align 8, !tbaa !5
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %.not20 = icmp eq ptr %6, null
  br i1 %.not20, label %.outer._crit_edge, label %.outer.split

.outer.split:                                     ; preds = %1, %.outer
  %.0.ph22 = phi ptr [ %28, %.outer ], [ %6, %1 ]
  %.015.ph21 = phi i64 [ %25, %.outer ], [ 0, %1 ]
  br label %7

7:                                                ; preds = %.outer.split, %9
  %8 = invoke noundef ptr @_ZN4libc3str4findINS0_9find_modeILb0ELb0EEEcTnPNSt9enable_ifIXntsrT_8reversedEvE4typeELPv0EEEPKT0_SC_SC_(ptr noundef nonnull %.0.ph22, ptr noundef nonnull @.str)
          to label %9 unwind label %.loopexit

9:                                                ; preds = %7
  %.not17 = icmp eq ptr %8, null
  br i1 %.not17, label %7, label %10, !llvm.loop !9

.loopexit:                                        ; preds = %7
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %34

.loopexit.split-lp:                               ; preds = %10, %17
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %34

10:                                               ; preds = %9
  %11 = call noundef ptr @_ZL6C_CASTIPKcPcET_T0_(ptr noundef nonnull %.0.ph22)
  %12 = ptrtoint ptr %8 to i64
  %13 = ptrtoint ptr %.0.ph22 to i64
  %14 = sub i64 %12, %13
  %15 = call noundef i64 @_ZL6C_CASTImlET_T0_(i64 noundef %14)
  %16 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmPKcm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef 0, ptr noundef %11, i64 noundef %15)
          to label %17 unwind label %.loopexit.split-lp

17:                                               ; preds = %10
  %18 = getelementptr inbounds i8, ptr %8, i64 1
  %19 = call noundef ptr @_ZL6C_CASTIPKcS1_ET_T0_(ptr noundef nonnull %18)
  %20 = call noundef i64 @_ZN4libc3str3lenIcTnPNS0_12char_of_typeIT_cLDnELPv0EE4typeELPc0EEEmPKS3_(ptr noundef nonnull %18)
  %21 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmPKcm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0, ptr noundef %19, i64 noundef %20)
          to label %22 unwind label %.loopexit.split-lp

22:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %4) #6
  invoke void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_EC2IRS5_S8_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairISA_SB_EEEbE4typeELb1EEEOSA_OSB_(ptr noundef nonnull align 8 dereferenceable(64) %4, ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %23 unwind label %29

23:                                               ; preds = %22
  %24 = invoke { ptr, i8 } @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEE6insertIS8_IS5_S5_EEENSt9enable_ifIXsr16is_constructibleISA_T_EE5valueES8_ISt17_Rb_tree_iteratorISA_EbEE4typeEOSG_(ptr noundef nonnull align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(64) %4)
          to label %.outer unwind label %31

.outer:                                           ; preds = %23
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ED2Ev(ptr noundef nonnull align 8 dereferenceable(64) %4) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5clearEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5clearEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %25 = add i64 %.015.ph21, 1
  %26 = load ptr, ptr @environ, align 8, !tbaa !5
  %27 = getelementptr inbounds ptr, ptr %26, i64 %25
  %28 = load ptr, ptr %27, align 8, !tbaa !5
  %.not = icmp eq ptr %28, null
  br i1 %.not, label %.outer._crit_edge, label %.outer.split, !llvm.loop !9

29:                                               ; preds = %22
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %33

31:                                               ; preds = %23
  %32 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ED2Ev(ptr noundef nonnull align 8 dereferenceable(64) %4) #6
  br label %33

33:                                               ; preds = %31, %29
  %.pn = phi { ptr, i32 } [ %32, %31 ], [ %30, %29 ]
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %4) #6
  br label %34

.outer._crit_edge:                                ; preds = %.outer, %1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  ret void

34:                                               ; preds = %.loopexit, %.loopexit.split-lp, %33
  %.pn.pn = phi { ptr, i32 } [ %.pn, %33 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  call void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) #6
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: alwaysinline mustprogress uwtable
declare dso_local noundef ptr @_ZN4libc3str4findINS0_9find_modeILb0ELb0EEEcTnPNSt9enable_ifIXntsrT_8reversedEvE4typeELPv0EEEPKT0_SC_SC_(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmPKcm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, ptr noundef, i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef ptr @_ZL6C_CASTIPKcPcET_T0_(ptr noundef) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef i64 @_ZL6C_CASTImlET_T0_(i64 noundef) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef ptr @_ZL6C_CASTIPKcS1_ET_T0_(ptr noundef) local_unnamed_addr #4

; Function Attrs: alwaysinline mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN4libc3str3lenIcTnPNS0_12char_of_typeIT_cLDnELPv0EE4typeELPc0EEEmPKS3_(ptr noundef) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEE6insertIS8_IS5_S5_EEENSt9enable_ifIXsr16is_constructibleISA_T_EE5valueES8_ISt17_Rb_tree_iteratorISA_EbEE4typeEOSG_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(64)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_EC2IRS5_S8_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairISA_SB_EEEbE4typeELb1EEEOSA_OSB_(ptr noundef nonnull align 8 dereferenceable(64), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ED2Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5clearEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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 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 = { alwaysinline 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 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 = { alwaysinline 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 #6 = { 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: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass