; LLVM IR from thepowersgang/mrustc :: src/mir/mir_builder.ll (ZN10MirBuilder15pause_cur_blockEv)

; 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.Span = type { ptr }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%class.anon.427 = type { i8 }
%class.MirBuilder = type { ptr, ptr, ptr, ptr, ptr, ptr, i32, i8, %"class.MIR::RValue", i8, [7 x i8], %class.VarState, %"class.std::vector.26", %"class.std::vector.26", i64, %"class.std::map", %"class.std::vector.42", %"class.std::vector.47", %class.ScopeHandle, %"class.std::vector.52", %"struct.MIR::LValue" }
%"class.MIR::RValue" = type { i32, %"union.MIR::RValue::DataUnion" }
%"union.MIR::RValue::DataUnion" = type { %"struct.MIR::RValue::Data_BinOp" }
%"struct.MIR::RValue::Data_BinOp" = type { %"class.MIR::Param", i32, %"class.MIR::Param" }
%"class.MIR::Param" = type { i32, %"union.MIR::Param::DataUnion" }
%"union.MIR::Param::DataUnion" = type { %"struct.MIR::Param::Data_Borrow" }
%"struct.MIR::Param::Data_Borrow" = type { i32, %"struct.MIR::LValue" }
%class.VarState = type { i32, [4 x i8], %"union.VarState::DataUnion" }
%"union.VarState::DataUnion" = type { i32, [28 x i8] }
%"class.std::vector.26" = type { %"struct.std::_Vector_base.27" }
%"struct.std::_Vector_base.27" = type { %"struct.std::_Vector_base<VarState, std::allocator<VarState>>::_Vector_impl" }
%"struct.std::_Vector_base<VarState, std::allocator<VarState>>::_Vector_impl" = type { %"struct.std::_Vector_base<VarState, std::allocator<VarState>>::_Vector_impl_data" }
%"struct.std::_Vector_base<VarState, std::allocator<VarState>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<unsigned int, std::pair<const unsigned int, unsigned int>, std::_Select1st<std::pair<const unsigned int, unsigned int>>, std::less<unsigned int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<unsigned int, std::pair<const unsigned int, unsigned int>, std::_Select1st<std::pair<const unsigned int, unsigned int>>, std::less<unsigned int>>::_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::vector.42" = type { %"struct.std::_Vector_base.43" }
%"struct.std::_Vector_base.43" = type { %"struct.std::_Vector_base<MirBuilder::ScopeDef, std::allocator<MirBuilder::ScopeDef>>::_Vector_impl" }
%"struct.std::_Vector_base<MirBuilder::ScopeDef, std::allocator<MirBuilder::ScopeDef>>::_Vector_impl" = type { %"struct.std::_Vector_base<MirBuilder::ScopeDef, std::allocator<MirBuilder::ScopeDef>>::_Vector_impl_data" }
%"struct.std::_Vector_base<MirBuilder::ScopeDef, std::allocator<MirBuilder::ScopeDef>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.47" = type { %"struct.std::_Vector_base.48" }
%"struct.std::_Vector_base.48" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.ScopeHandle = type <{ ptr, i32, [4 x i8] }>
%"class.std::vector.52" = type { %"struct.std::_Vector_base.53" }
%"struct.std::_Vector_base.53" = type { %"struct.std::_Vector_base<std::pair<HIR::PatternBinding::Type, MIR::LValue>, std::allocator<std::pair<HIR::PatternBinding::Type, MIR::LValue>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<HIR::PatternBinding::Type, MIR::LValue>, std::allocator<std::pair<HIR::PatternBinding::Type, MIR::LValue>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<HIR::PatternBinding::Type, MIR::LValue>, std::allocator<std::pair<HIR::PatternBinding::Type, MIR::LValue>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<HIR::PatternBinding::Type, MIR::LValue>, std::allocator<std::pair<HIR::PatternBinding::Type, MIR::LValue>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.MIR::LValue" = type { %"class.MIR::LValue::Storage", %"class.std::vector" }
%"class.MIR::LValue::Storage" = type { i64 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<MIR::LValue::Wrapper, std::allocator<MIR::LValue::Wrapper>>::_Vector_impl" }
%"struct.std::_Vector_base<MIR::LValue::Wrapper, std::allocator<MIR::LValue::Wrapper>>::_Vector_impl" = type { %"struct.std::_Vector_base<MIR::LValue::Wrapper, std::allocator<MIR::LValue::Wrapper>>::_Vector_impl_data" }
%"struct.std::_Vector_base<MIR::LValue::Wrapper, std::allocator<MIR::LValue::Wrapper>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@g_debug_indent_level = external global i32, align 4
@.str.9 = external hidden unnamed_addr constant [17 x i8], align 1
@_ZTISt13runtime_error = external constant ptr
@.str.16 = external hidden unnamed_addr constant [3 x i8], align 1
@__FUNCTION__._ZN10MirBuilder15pause_cur_blockEv = external hidden unnamed_addr constant [16 x i8], align 1
@.str.36 = external hidden unnamed_addr constant [7 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; 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

declare noundef zeroext i1 @_Z13debug_enabledv() #1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2

declare noundef nonnull align 8 dereferenceable(8) ptr @_Z12debug_outputiPKc(i32 noundef, ptr noundef) #1

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt3decRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEj(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4SpanC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4 align 2

declare void @_ZNK4Span3bugESt8functionIFvRSoEE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1

; Function Attrs: nounwind
declare void @_ZN4SpanD1Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5

declare ptr @__cxa_allocate_exception(i64)

declare void @_ZNSt13runtime_errorC1EPKc(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #1

declare void @__cxa_free_exception(ptr)

; Function Attrs: nounwind
declare void @_ZNSt13runtime_errorD1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #5

declare void @__cxa_throw(ptr, ptr, ptr)

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN10MirBuilder15pause_cur_blockEv(ptr noundef nonnull align 8 dereferenceable(440) %0) #3 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %struct.Span, align 8
  %4 = alloca %"class.std::function", align 8
  %5 = alloca %class.anon.427, align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %9 = load ptr, ptr %2, align 8
  %10 = getelementptr inbounds %class.MirBuilder, ptr %9, i32 0, i32 7
  %11 = load i8, ptr %10, align 4, !tbaa !9, !range !49, !noundef !50
  %12 = trunc i8 %11 to i1
  br i1 %12, label %27, label %13

13:                                               ; preds = %1
  br label %14

14:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @_ZN4SpanC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #6
  call void @"_ZNSt8functionIFvRSoEEC2IZN10MirBuilder15pause_cur_blockEvE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNK4Span3bugESt8functionIFvRSoEE(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef %4)
          to label %15 unwind label %18

15:                                               ; preds = %14
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @_ZN4SpanD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  %16 = call ptr @__cxa_allocate_exception(i64 16) #6
  invoke void @_ZNSt13runtime_errorC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef @.str.9)
          to label %17 unwind label %22

17:                                               ; preds = %15
  call void @__cxa_throw(ptr %16, ptr @_ZTISt13runtime_error, ptr @_ZNSt13runtime_errorD1Ev) #7
  unreachable

18:                                               ; preds = %14
  %19 = landingpad { ptr, i32 }
          cleanup
  %20 = extractvalue { ptr, i32 } %19, 0
  store ptr %20, ptr %6, align 8
  %21 = extractvalue { ptr, i32 } %19, 1
  store i32 %21, ptr %7, align 4
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @_ZN4SpanD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %47

22:                                               ; preds = %15
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %6, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %7, align 4
  call void @__cxa_free_exception(ptr %16) #6
  br label %47

26:                                               ; No predecessors!
  br label %27

27:                                               ; preds = %26, %1
  br label %28

28:                                               ; preds = %27
  %29 = call noundef zeroext i1 @_Z13debug_enabledv()
  br i1 %29, label %30, label %40

30:                                               ; preds = %28
  %31 = load i32, ptr @g_debug_indent_level, align 4, !tbaa !51
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_Z12debug_outputiPKc(i32 noundef %31, ptr noundef @__FUNCTION__._ZN10MirBuilder15pause_cur_blockEv)
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %32, ptr noundef @.str.16)
  %34 = getelementptr inbounds %class.MirBuilder, ptr %9, i32 0, i32 6
  %35 = load i32, ptr %34, align 8, !tbaa !52
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEj(ptr noundef nonnull align 8 dereferenceable(8) %33, i32 noundef %35)
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %36, ptr noundef @.str.36)
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) %37, ptr noundef @_ZSt3decRSt8ios_base)
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %38, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %40

40:                                               ; preds = %30, %28
  br label %41

41:                                               ; preds = %40
  %42 = getelementptr inbounds %class.MirBuilder, ptr %9, i32 0, i32 7
  store i8 0, ptr %42, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  %43 = getelementptr inbounds %class.MirBuilder, ptr %9, i32 0, i32 6
  %44 = load i32, ptr %43, align 8, !tbaa !52
  store i32 %44, ptr %8, align 4, !tbaa !51
  %45 = getelementptr inbounds %class.MirBuilder, ptr %9, i32 0, i32 6
  store i32 0, ptr %45, align 8, !tbaa !52
  %46 = load i32, ptr %8, align 4, !tbaa !51
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  ret i32 %46

47:                                               ; preds = %22, %18
  %48 = load ptr, ptr %6, align 8
  %49 = load i32, ptr %7, align 4
  %50 = insertvalue { ptr, i32 } poison, ptr %48, 0
  %51 = insertvalue { ptr, i32 } %50, i32 %49, 1
  resume { ptr, i32 } %51
}

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @"_ZNSt8functionIFvRSoEEC2IZN10MirBuilder15pause_cur_blockEvE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 = { 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 = { nounwind "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 }
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, !12, i64 52}
!10 = !{!"_ZTS10MirBuilder", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !11, i64 48, !12, i64 52, !13, i64 56, !12, i64 168, !15, i64 176, !17, i64 216, !17, i64 240, !21, i64 264, !22, i64 272, !30, i64 320, !34, i64 344, !38, i64 368, !39, i64 384, !43, i64 408}
!11 = !{!"int", !7, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!"_ZTSN3MIR6RValueE", !14, i64 0, !7, i64 8}
!14 = !{!"_ZTSN3MIR6RValue3TagE", !7, i64 0}
!15 = !{!"_ZTS8VarState", !16, i64 0, !7, i64 8}
!16 = !{!"_ZTSN8VarState3TagE", !7, i64 0}
!17 = !{!"_ZTSSt6vectorI8VarStateSaIS0_EE", !18, i64 0}
!18 = !{!"_ZTSSt12_Vector_baseI8VarStateSaIS0_EE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseI8VarStateSaIS0_EE12_Vector_implE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseI8VarStateSaIS0_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!21 = !{!"long", !7, i64 0}
!22 = !{!"_ZTSSt3mapIjjSt4lessIjESaISt4pairIKjjEEE", !23, i64 0}
!23 = !{!"_ZTSSt8_Rb_treeIjSt4pairIKjjESt10_Select1stIS2_ESt4lessIjESaIS2_EE", !24, i64 0}
!24 = !{!"_ZTSNSt8_Rb_treeIjSt4pairIKjjESt10_Select1stIS2_ESt4lessIjESaIS2_EE13_Rb_tree_implIS6_Lb1EEE", !25, i64 0, !27, i64 8}
!25 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessIjEE", !26, i64 0}
!26 = !{!"_ZTSSt4lessIjE"}
!27 = !{!"_ZTSSt15_Rb_tree_header", !28, i64 0, !21, i64 32}
!28 = !{!"_ZTSSt18_Rb_tree_node_base", !29, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!29 = !{!"_ZTSSt14_Rb_tree_color", !7, i64 0}
!30 = !{!"_ZTSSt6vectorIN10MirBuilder8ScopeDefESaIS1_EE", !31, i64 0}
!31 = !{!"_ZTSSt12_Vector_baseIN10MirBuilder8ScopeDefESaIS1_EE", !32, i64 0}
!32 = !{!"_ZTSNSt12_Vector_baseIN10MirBuilder8ScopeDefESaIS1_EE12_Vector_implE", !33, i64 0}
!33 = !{!"_ZTSNSt12_Vector_baseIN10MirBuilder8ScopeDefESaIS1_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!34 = !{!"_ZTSSt6vectorIjSaIjEE", !35, i64 0}
!35 = !{!"_ZTSSt12_Vector_baseIjSaIjEE", !36, i64 0}
!36 = !{!"_ZTSNSt12_Vector_baseIjSaIjEE12_Vector_implE", !37, i64 0}
!37 = !{!"_ZTSNSt12_Vector_baseIjSaIjEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!38 = !{!"_ZTS11ScopeHandle", !6, i64 0, !11, i64 8}
!39 = !{!"_ZTSSt6vectorISt4pairIN3HIR14PatternBinding4TypeEN3MIR6LValueEESaIS6_EE", !40, i64 0}
!40 = !{!"_ZTSSt12_Vector_baseISt4pairIN3HIR14PatternBinding4TypeEN3MIR6LValueEESaIS6_EE", !41, i64 0}
!41 = !{!"_ZTSNSt12_Vector_baseISt4pairIN3HIR14PatternBinding4TypeEN3MIR6LValueEESaIS6_EE12_Vector_implE", !42, i64 0}
!42 = !{!"_ZTSNSt12_Vector_baseISt4pairIN3HIR14PatternBinding4TypeEN3MIR6LValueEESaIS6_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!43 = !{!"_ZTSN3MIR6LValueE", !44, i64 0, !45, i64 8}
!44 = !{!"_ZTSN3MIR6LValue7StorageE", !21, i64 0}
!45 = !{!"_ZTSSt6vectorIN3MIR6LValue7WrapperESaIS2_EE", !46, i64 0}
!46 = !{!"_ZTSSt12_Vector_baseIN3MIR6LValue7WrapperESaIS2_EE", !47, i64 0}
!47 = !{!"_ZTSNSt12_Vector_baseIN3MIR6LValue7WrapperESaIS2_EE12_Vector_implE", !48, i64 0}
!48 = !{!"_ZTSNSt12_Vector_baseIN3MIR6LValue7WrapperESaIS2_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!49 = !{i8 0, i8 2}
!50 = !{}
!51 = !{!11, !11, i64 0}
!52 = !{!10, !11, i64 48}


; 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.Span = type { ptr }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%class.anon.427 = type { i8 }

@g_debug_indent_level = external local_unnamed_addr global i32, align 4
@.str.9 = external hidden unnamed_addr constant [17 x i8], align 1
@_ZTISt13runtime_error = external constant ptr
@.str.16 = external hidden unnamed_addr constant [3 x i8], align 1
@__FUNCTION__._ZN10MirBuilder15pause_cur_blockEv = external hidden unnamed_addr constant [16 x i8], align 1
@.str.36 = external hidden unnamed_addr constant [7 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; 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

declare noundef zeroext i1 @_Z13debug_enabledv() local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #2

declare noundef nonnull align 8 dereferenceable(8) ptr @_Z12debug_outputiPKc(i32 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt3decRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEj(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4SpanC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4 align 2

declare void @_ZNK4Span3bugESt8functionIFvRSoEE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind
declare void @_ZN4SpanD1Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

declare void @_ZNSt13runtime_errorC1EPKc(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #1

declare void @__cxa_free_exception(ptr) local_unnamed_addr

; Function Attrs: nounwind
declare void @_ZNSt13runtime_errorD1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #5

declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN10MirBuilder15pause_cur_blockEv(ptr nocapture noundef nonnull align 8 dereferenceable(440) %0) local_unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %struct.Span, align 8
  %3 = alloca %"class.std::function", align 8
  %4 = alloca %class.anon.427, align 1
  %5 = getelementptr inbounds i8, ptr %0, i64 52
  %6 = load i8, ptr %5, align 4, !tbaa !5, !range !48, !noundef !49
  %7 = trunc nuw i8 %6 to i1
  br i1 %7, label %16, label %8

8:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  call void @_ZN4SpanC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %2)
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  call void @"_ZNSt8functionIFvRSoEEC2IZN10MirBuilder15pause_cur_blockEvE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNK4Span3bugESt8functionIFvRSoEE(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull %3)
          to label %9 unwind label %12

9:                                                ; preds = %8
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  call void @_ZN4SpanD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  %10 = call ptr @__cxa_allocate_exception(i64 16) #6
  invoke void @_ZNSt13runtime_errorC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull @.str.9)
          to label %11 unwind label %14

11:                                               ; preds = %9
  call void @__cxa_throw(ptr nonnull %10, ptr nonnull @_ZTISt13runtime_error, ptr nonnull @_ZNSt13runtime_errorD1Ev) #7
  unreachable

12:                                               ; preds = %8
  %13 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  call void @_ZN4SpanD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  br label %31

14:                                               ; preds = %9
  %15 = landingpad { ptr, i32 }
          cleanup
  call void @__cxa_free_exception(ptr %10) #6
  br label %31

16:                                               ; preds = %1
  %17 = tail call noundef zeroext i1 @_Z13debug_enabledv()
  br i1 %17, label %18, label %28

18:                                               ; preds = %16
  %19 = load i32, ptr @g_debug_indent_level, align 4, !tbaa !50
  %20 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_Z12debug_outputiPKc(i32 noundef %19, ptr noundef nonnull @__FUNCTION__._ZN10MirBuilder15pause_cur_blockEv)
  %21 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull @.str.16)
  %22 = getelementptr inbounds i8, ptr %0, i64 48
  %23 = load i32, ptr %22, align 8, !tbaa !51
  %24 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEj(ptr noundef nonnull align 8 dereferenceable(8) %21, i32 noundef %23)
  %25 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull @.str.36)
  %26 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) %25, ptr noundef nonnull @_ZSt3decRSt8ios_base)
  %27 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %28

28:                                               ; preds = %16, %18
  store i8 0, ptr %5, align 4, !tbaa !5
  %29 = getelementptr inbounds i8, ptr %0, i64 48
  %30 = load i32, ptr %29, align 8, !tbaa !51
  store i32 0, ptr %29, align 8, !tbaa !51
  ret i32 %30

31:                                               ; preds = %14, %12
  %.pn = phi { ptr, i32 } [ %15, %14 ], [ %13, %12 ]
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @"_ZNSt8functionIFvRSoEEC2IZN10MirBuilder15pause_cur_blockEvE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 = { 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 = { nounwind "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 }
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, !11, i64 52}
!6 = !{!"_ZTS10MirBuilder", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !10, i64 48, !11, i64 52, !12, i64 56, !11, i64 168, !14, i64 176, !16, i64 216, !16, i64 240, !20, i64 264, !21, i64 272, !29, i64 320, !33, i64 344, !37, i64 368, !38, i64 384, !42, i64 408}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"bool", !8, i64 0}
!12 = !{!"_ZTSN3MIR6RValueE", !13, i64 0, !8, i64 8}
!13 = !{!"_ZTSN3MIR6RValue3TagE", !8, i64 0}
!14 = !{!"_ZTS8VarState", !15, i64 0, !8, i64 8}
!15 = !{!"_ZTSN8VarState3TagE", !8, i64 0}
!16 = !{!"_ZTSSt6vectorI8VarStateSaIS0_EE", !17, i64 0}
!17 = !{!"_ZTSSt12_Vector_baseI8VarStateSaIS0_EE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseI8VarStateSaIS0_EE12_Vector_implE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseI8VarStateSaIS0_EE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!20 = !{!"long", !8, i64 0}
!21 = !{!"_ZTSSt3mapIjjSt4lessIjESaISt4pairIKjjEEE", !22, i64 0}
!22 = !{!"_ZTSSt8_Rb_treeIjSt4pairIKjjESt10_Select1stIS2_ESt4lessIjESaIS2_EE", !23, i64 0}
!23 = !{!"_ZTSNSt8_Rb_treeIjSt4pairIKjjESt10_Select1stIS2_ESt4lessIjESaIS2_EE13_Rb_tree_implIS6_Lb1EEE", !24, i64 0, !26, i64 8}
!24 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessIjEE", !25, i64 0}
!25 = !{!"_ZTSSt4lessIjE"}
!26 = !{!"_ZTSSt15_Rb_tree_header", !27, i64 0, !20, i64 32}
!27 = !{!"_ZTSSt18_Rb_tree_node_base", !28, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}
!28 = !{!"_ZTSSt14_Rb_tree_color", !8, i64 0}
!29 = !{!"_ZTSSt6vectorIN10MirBuilder8ScopeDefESaIS1_EE", !30, i64 0}
!30 = !{!"_ZTSSt12_Vector_baseIN10MirBuilder8ScopeDefESaIS1_EE", !31, i64 0}
!31 = !{!"_ZTSNSt12_Vector_baseIN10MirBuilder8ScopeDefESaIS1_EE12_Vector_implE", !32, i64 0}
!32 = !{!"_ZTSNSt12_Vector_baseIN10MirBuilder8ScopeDefESaIS1_EE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!33 = !{!"_ZTSSt6vectorIjSaIjEE", !34, i64 0}
!34 = !{!"_ZTSSt12_Vector_baseIjSaIjEE", !35, i64 0}
!35 = !{!"_ZTSNSt12_Vector_baseIjSaIjEE12_Vector_implE", !36, i64 0}
!36 = !{!"_ZTSNSt12_Vector_baseIjSaIjEE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!37 = !{!"_ZTS11ScopeHandle", !7, i64 0, !10, i64 8}
!38 = !{!"_ZTSSt6vectorISt4pairIN3HIR14PatternBinding4TypeEN3MIR6LValueEESaIS6_EE", !39, i64 0}
!39 = !{!"_ZTSSt12_Vector_baseISt4pairIN3HIR14PatternBinding4TypeEN3MIR6LValueEESaIS6_EE", !40, i64 0}
!40 = !{!"_ZTSNSt12_Vector_baseISt4pairIN3HIR14PatternBinding4TypeEN3MIR6LValueEESaIS6_EE12_Vector_implE", !41, i64 0}
!41 = !{!"_ZTSNSt12_Vector_baseISt4pairIN3HIR14PatternBinding4TypeEN3MIR6LValueEESaIS6_EE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!42 = !{!"_ZTSN3MIR6LValueE", !43, i64 0, !44, i64 8}
!43 = !{!"_ZTSN3MIR6LValue7StorageE", !20, i64 0}
!44 = !{!"_ZTSSt6vectorIN3MIR6LValue7WrapperESaIS2_EE", !45, i64 0}
!45 = !{!"_ZTSSt12_Vector_baseIN3MIR6LValue7WrapperESaIS2_EE", !46, i64 0}
!46 = !{!"_ZTSNSt12_Vector_baseIN3MIR6LValue7WrapperESaIS2_EE12_Vector_implE", !47, i64 0}
!47 = !{!"_ZTSNSt12_Vector_baseIN3MIR6LValue7WrapperESaIS2_EE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!48 = !{i8 0, i8 2}
!49 = !{}
!50 = !{!10, !10, i64 0}
!51 = !{!6, !10, i64 48}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass