; LLVM IR from thepowersgang/mrustc :: src/macro_rules (parse)

; 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.MacroRulesArm = type { %"class.std::vector.54", %"class.std::vector.60", %"class.std::vector.25" }
%"class.std::vector.54" = type { %"struct.std::_Vector_base.55" }
%"struct.std::_Vector_base.55" = type { %"struct.std::_Vector_base<RcString, std::allocator<RcString>>::_Vector_impl" }
%"struct.std::_Vector_base<RcString, std::allocator<RcString>>::_Vector_impl" = type { %"struct.std::_Vector_base<RcString, std::allocator<RcString>>::_Vector_impl_data" }
%"struct.std::_Vector_base<RcString, std::allocator<RcString>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.60" = type { %"struct.std::_Vector_base.61" }
%"struct.std::_Vector_base.61" = type { %"struct.std::_Vector_base<SimplePatEnt, std::allocator<SimplePatEnt>>::_Vector_impl" }
%"struct.std::_Vector_base<SimplePatEnt, std::allocator<SimplePatEnt>>::_Vector_impl" = type { %"struct.std::_Vector_base<SimplePatEnt, std::allocator<SimplePatEnt>>::_Vector_impl_data" }
%"struct.std::_Vector_base<SimplePatEnt, std::allocator<SimplePatEnt>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.25" = type { %"struct.std::_Vector_base.26" }
%"struct.std::_Vector_base.26" = type { %"struct.std::_Vector_base<MacroExpansionEnt, std::allocator<MacroExpansionEnt>>::_Vector_impl" }
%"struct.std::_Vector_base<MacroExpansionEnt, std::allocator<MacroExpansionEnt>>::_Vector_impl" = type { %"struct.std::_Vector_base<MacroExpansionEnt, std::allocator<MacroExpansionEnt>>::_Vector_impl_data" }
%"struct.std::_Vector_base<MacroExpansionEnt, std::allocator<MacroExpansionEnt>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; 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 dso_local void @_ZNSt6vectorI17MacroExpansionEntSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI17MacroExpansionEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z15enumerate_namesRKSt6vectorI11MacroPatEntSaIS0_EERS_I8RcStringSaIS5_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z24Parse_MacroRules_MakeArm4SpanSt6vectorI11MacroPatEntSaIS1_EES0_I17MacroExpansionEntSaIS4_EE(ptr dead_on_unwind noalias writable sret(%struct.MacroRulesArm) align 8 %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #2 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca %"class.std::vector.60", align 8
  %10 = alloca i1, align 1
  %11 = alloca %"class.std::vector.60", align 8
  %12 = alloca %"class.std::vector.25", align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  store ptr %0, ptr %5, align 8
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #4
  call void @_ZN12_GLOBAL__N_123macro_pattern_to_simpleERK4SpanRKSt6vectorI11MacroPatEntSaIS4_EE(ptr dead_on_unwind writable sret(%"class.std::vector.60") align 8 %9, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(24) %2)
  store i1 false, ptr %10, align 1
  call void @_ZNSt6vectorI12SimplePatEntSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24) %11, ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  call void @_ZNSt6vectorI17MacroExpansionEntSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  invoke void @_ZN13MacroRulesArmC2ESt6vectorI12SimplePatEntSaIS1_EES0_I17MacroExpansionEntSaIS4_EE(ptr noundef nonnull align 8 dereferenceable(72) %0, ptr noundef %11, ptr noundef %12)
          to label %15 unwind label %19

15:                                               ; preds = %4
  call void @_ZNSt6vectorI17MacroExpansionEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  call void @_ZNSt6vectorI12SimplePatEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  %16 = getelementptr inbounds %struct.MacroRulesArm, ptr %0, i32 0, i32 0
  invoke void @_Z15enumerate_namesRKSt6vectorI11MacroPatEntSaIS0_EERS_I8RcStringSaIS5_EE(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %16)
          to label %17 unwind label %23

17:                                               ; preds = %15
  store i1 true, ptr %10, align 1
  %18 = load i1, ptr %10, align 1
  br i1 %18, label %28, label %27

19:                                               ; preds = %4
  %20 = landingpad { ptr, i32 }
          cleanup
  %21 = extractvalue { ptr, i32 } %20, 0
  store ptr %21, ptr %13, align 8
  %22 = extractvalue { ptr, i32 } %20, 1
  store i32 %22, ptr %14, align 4
  call void @_ZNSt6vectorI17MacroExpansionEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  call void @_ZNSt6vectorI12SimplePatEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  br label %29

23:                                               ; preds = %15
  %24 = landingpad { ptr, i32 }
          cleanup
  %25 = extractvalue { ptr, i32 } %24, 0
  store ptr %25, ptr %13, align 8
  %26 = extractvalue { ptr, i32 } %24, 1
  store i32 %26, ptr %14, align 4
  call void @_ZN13MacroRulesArmD1Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) #4
  br label %29

27:                                               ; preds = %17
  call void @_ZN13MacroRulesArmD1Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) #4
  br label %28

28:                                               ; preds = %27, %17
  call void @_ZNSt6vectorI12SimplePatEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #4
  ret void

29:                                               ; preds = %23, %19
  call void @_ZNSt6vectorI12SimplePatEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #4
  br label %30

30:                                               ; preds = %29
  %31 = load ptr, ptr %13, align 8
  %32 = load i32, ptr %14, align 4
  %33 = insertvalue { ptr, i32 } poison, ptr %31, 0
  %34 = insertvalue { ptr, i32 } %33, i32 %32, 1
  resume { ptr, i32 } %34
}

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN12_GLOBAL__N_123macro_pattern_to_simpleERK4SpanRKSt6vectorI11MacroPatEntSaIS4_EE(ptr dead_on_unwind noalias writable sret(%"class.std::vector.60") align 8, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(24)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI12SimplePatEntSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN13MacroRulesArmC2ESt6vectorI12SimplePatEntSaIS1_EES0_I17MacroExpansionEntSaIS4_EE(ptr noundef nonnull align 8 dereferenceable(72), ptr noundef, ptr noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI12SimplePatEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: nounwind
declare void @_ZN13MacroRulesArmD1Ev(ptr noundef nonnull align 8 dereferenceable(72)) unnamed_addr #3

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 = { 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 #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; 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.MacroRulesArm = type { %"class.std::vector.54", %"class.std::vector.60", %"class.std::vector.25" }
%"class.std::vector.54" = type { %"struct.std::_Vector_base.55" }
%"struct.std::_Vector_base.55" = type { %"struct.std::_Vector_base<RcString, std::allocator<RcString>>::_Vector_impl" }
%"struct.std::_Vector_base<RcString, std::allocator<RcString>>::_Vector_impl" = type { %"struct.std::_Vector_base<RcString, std::allocator<RcString>>::_Vector_impl_data" }
%"struct.std::_Vector_base<RcString, std::allocator<RcString>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.60" = type { %"struct.std::_Vector_base.61" }
%"struct.std::_Vector_base.61" = type { %"struct.std::_Vector_base<SimplePatEnt, std::allocator<SimplePatEnt>>::_Vector_impl" }
%"struct.std::_Vector_base<SimplePatEnt, std::allocator<SimplePatEnt>>::_Vector_impl" = type { %"struct.std::_Vector_base<SimplePatEnt, std::allocator<SimplePatEnt>>::_Vector_impl_data" }
%"struct.std::_Vector_base<SimplePatEnt, std::allocator<SimplePatEnt>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.25" = type { %"struct.std::_Vector_base.26" }
%"struct.std::_Vector_base.26" = type { %"struct.std::_Vector_base<MacroExpansionEnt, std::allocator<MacroExpansionEnt>>::_Vector_impl" }
%"struct.std::_Vector_base<MacroExpansionEnt, std::allocator<MacroExpansionEnt>>::_Vector_impl" = type { %"struct.std::_Vector_base<MacroExpansionEnt, std::allocator<MacroExpansionEnt>>::_Vector_impl_data" }
%"struct.std::_Vector_base<MacroExpansionEnt, std::allocator<MacroExpansionEnt>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; 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 dso_local void @_ZNSt6vectorI17MacroExpansionEntSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI17MacroExpansionEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z15enumerate_namesRKSt6vectorI11MacroPatEntSaIS0_EERS_I8RcStringSaIS5_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z24Parse_MacroRules_MakeArm4SpanSt6vectorI11MacroPatEntSaIS1_EES0_I17MacroExpansionEntSaIS4_EE(ptr dead_on_unwind noalias writable sret(%struct.MacroRulesArm) align 8 %0, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef %3) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %5 = alloca %"class.std::vector.60", align 8
  %6 = alloca %"class.std::vector.60", align 8
  %7 = alloca %"class.std::vector.25", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #4
  call void @_ZN12_GLOBAL__N_123macro_pattern_to_simpleERK4SpanRKSt6vectorI11MacroPatEntSaIS4_EE(ptr dead_on_unwind nonnull writable sret(%"class.std::vector.60") align 8 %5, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(24) %2)
  call void @_ZNSt6vectorI12SimplePatEntSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @_ZNSt6vectorI17MacroExpansionEntSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @_ZN13MacroRulesArmC2ESt6vectorI12SimplePatEntSaIS1_EES0_I17MacroExpansionEntSaIS4_EE(ptr noundef nonnull align 8 dereferenceable(72) %0, ptr noundef nonnull %6, ptr noundef nonnull %7)
  call void @_ZNSt6vectorI17MacroExpansionEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @_ZNSt6vectorI12SimplePatEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  invoke void @_Z15enumerate_namesRKSt6vectorI11MacroPatEntSaIS0_EERS_I8RcStringSaIS5_EE(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %0)
          to label %10 unwind label %8

8:                                                ; preds = %4
  %9 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN13MacroRulesArmD1Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) #4
  call void @_ZNSt6vectorI12SimplePatEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #4
  resume { ptr, i32 } %9

10:                                               ; preds = %4
  call void @_ZNSt6vectorI12SimplePatEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #4
  ret void
}

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN12_GLOBAL__N_123macro_pattern_to_simpleERK4SpanRKSt6vectorI11MacroPatEntSaIS4_EE(ptr dead_on_unwind noalias writable sret(%"class.std::vector.60") align 8, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI12SimplePatEntSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN13MacroRulesArmC2ESt6vectorI12SimplePatEntSaIS1_EES0_I17MacroExpansionEntSaIS4_EE(ptr noundef nonnull align 8 dereferenceable(72), ptr noundef, ptr noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI12SimplePatEntSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: nounwind
declare void @_ZN13MacroRulesArmD1Ev(ptr noundef nonnull align 8 dereferenceable(72)) unnamed_addr #3

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 = { 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 #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}


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