; LLVM IR from buresjan/optim_lbm :: nomad/src/Util/utils.ll (ZN9NOMAD_4_37enumStrB5cxx11ENS_11SuccessTypeE)

; 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::__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] }
%"class.std::allocator" = type { i8 }

@.str.12 = external hidden unnamed_addr constant [77 x i8], align 1
@_ZTIN9NOMAD_4_39ExceptionE = external constant ptr
@.str.14 = external hidden unnamed_addr constant [27 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.16 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [28 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.19 = external hidden unnamed_addr constant [47 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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

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

declare ptr @__cxa_allocate_exception(i64)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9NOMAD_4_39ExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmS8_(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9NOMAD_4_39ExceptionD2Ev(ptr noundef nonnull align 8 dereferenceable(112)) unnamed_addr #1 align 2

declare void @__cxa_throw(ptr, ptr, ptr)

declare void @__cxa_free_exception(ptr)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9NOMAD_4_37enumStrB5cxx11ENS_11SuccessTypeE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, i32 noundef %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca i1, align 1
  store ptr %0, ptr %3, align 8
  store i32 %1, ptr %4, align 4, !tbaa !5
  store i1 false, ptr %5, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %11 = load i32, ptr %4, align 4, !tbaa !5
  switch i32 %11, label %31 [
    i32 0, label %12
    i32 1, label %19
    i32 2, label %22
    i32 3, label %25
    i32 4, label %28
  ]

12:                                               ; preds = %2
  %13 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.14)
          to label %14 unwind label %15

14:                                               ; preds = %12
  br label %49

15:                                               ; preds = %31, %28, %25, %22, %19, %12
  %16 = landingpad { ptr, i32 }
          cleanup
  %17 = extractvalue { ptr, i32 } %16, 0
  store ptr %17, ptr %6, align 8
  %18 = extractvalue { ptr, i32 } %16, 1
  store i32 %18, ptr %7, align 4
  br label %53

19:                                               ; preds = %2
  %20 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.15)
          to label %21 unwind label %15

21:                                               ; preds = %19
  br label %49

22:                                               ; preds = %2
  %23 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.16)
          to label %24 unwind label %15

24:                                               ; preds = %22
  br label %49

25:                                               ; preds = %2
  %26 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.17)
          to label %27 unwind label %15

27:                                               ; preds = %25
  br label %49

28:                                               ; preds = %2
  %29 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.18)
          to label %30 unwind label %15

30:                                               ; preds = %28
  br label %49

31:                                               ; preds = %2
  %32 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.19)
          to label %33 unwind label %15

33:                                               ; preds = %31
  store i1 true, ptr %10, align 1
  %34 = call ptr @__cxa_allocate_exception(i64 112) #3
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef @.str.12, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %35 unwind label %37

35:                                               ; preds = %33
  invoke void @_ZN9NOMAD_4_39ExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmS8_(ptr noundef nonnull align 8 dereferenceable(112) %34, ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef 262, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %36 unwind label %41

36:                                               ; preds = %35
  store i1 false, ptr %10, align 1
  invoke void @__cxa_throw(ptr %34, ptr @_ZTIN9NOMAD_4_39ExceptionE, ptr @_ZN9NOMAD_4_39ExceptionD2Ev) #4
          to label %59 unwind label %41

37:                                               ; preds = %33
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %6, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %7, align 4
  br label %45

41:                                               ; preds = %36, %35
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %6, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %7, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  br label %45

45:                                               ; preds = %41, %37
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #3
  %46 = load i1, ptr %10, align 1
  br i1 %46, label %47, label %48

47:                                               ; preds = %45
  call void @__cxa_free_exception(ptr %34) #3
  br label %48

48:                                               ; preds = %47, %45
  br label %53

49:                                               ; preds = %30, %27, %24, %21, %14
  store i1 true, ptr %5, align 1
  %50 = load i1, ptr %5, align 1
  br i1 %50, label %52, label %51

51:                                               ; preds = %49
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  br label %52

52:                                               ; preds = %51, %49
  ret void

53:                                               ; preds = %48, %15
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  br label %54

54:                                               ; preds = %53
  %55 = load ptr, ptr %6, align 8
  %56 = load i32, ptr %7, align 4
  %57 = insertvalue { ptr, i32 } poison, ptr %55, 0
  %58 = insertvalue { ptr, i32 } %57, i32 %56, 1
  resume { ptr, i32 } %58

59:                                               ; preds = %36
  unreachable
}

; 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
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { nounwind }
attributes #4 = { 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 = !{!"_ZTSN9NOMAD_4_311SuccessTypeE", !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"

%"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] }
%"class.std::allocator" = type { i8 }

@.str.12 = external hidden unnamed_addr constant [77 x i8], align 1
@_ZTIN9NOMAD_4_39ExceptionE = external constant ptr
@.str.14 = external hidden unnamed_addr constant [27 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.16 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [28 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.19 = external hidden unnamed_addr constant [47 x i8], align 1
@switch.table._ZN9NOMAD_4_37enumStrB5cxx11ENS_11SuccessTypeE = private unnamed_addr constant [5 x ptr] [ptr @.str.14, ptr @.str.15, ptr @.str.16, ptr @.str.17, ptr @.str.18], align 8

; 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 nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

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

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9NOMAD_4_39ExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmS8_(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9NOMAD_4_39ExceptionD2Ev(ptr noundef nonnull align 8 dereferenceable(112)) unnamed_addr #1 align 2

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

declare void @__cxa_free_exception(ptr) local_unnamed_addr

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9NOMAD_4_37enumStrB5cxx11ENS_11SuccessTypeE(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %0, i32 noundef %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator", align 1
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %5 = icmp ult i32 %1, 5
  br i1 %5, label %switch.lookup, label %10

6:                                                ; preds = %switch.lookup, %10
  %7 = landingpad { ptr, i32 }
          cleanup
  br label %21

switch.lookup:                                    ; preds = %2
  %8 = zext nneg i32 %1 to i64
  %switch.gep = getelementptr inbounds [5 x ptr], ptr @switch.table._ZN9NOMAD_4_37enumStrB5cxx11ENS_11SuccessTypeE, i64 0, i64 %8
  %switch.load = load ptr, ptr %switch.gep, align 8
  %9 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull %switch.load)
          to label %20 unwind label %6

10:                                               ; preds = %2
  %11 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.19)
          to label %12 unwind label %6

12:                                               ; preds = %10
  %13 = tail call ptr @__cxa_allocate_exception(i64 112) #3
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str.12, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %14 unwind label %.thread

14:                                               ; preds = %12
  invoke void @_ZN9NOMAD_4_39ExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmS8_(ptr noundef nonnull align 8 dereferenceable(112) %13, ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 262, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %15 unwind label %17

15:                                               ; preds = %14
  invoke void @__cxa_throw(ptr nonnull %13, ptr nonnull @_ZTIN9NOMAD_4_39ExceptionE, ptr nonnull @_ZN9NOMAD_4_39ExceptionD2Ev) #4
          to label %22 unwind label %17

.thread:                                          ; preds = %12
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  br label %19

17:                                               ; preds = %14, %15
  %.0 = phi i1 [ false, %15 ], [ true, %14 ]
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  br i1 %.0, label %19, label %21

19:                                               ; preds = %.thread, %17
  %.pn12 = phi { ptr, i32 } [ %16, %.thread ], [ %18, %17 ]
  call void @__cxa_free_exception(ptr %13) #3
  br label %21

20:                                               ; preds = %switch.lookup
  ret void

21:                                               ; preds = %17, %19, %6
  %.pn.pn = phi { ptr, i32 } [ %.pn12, %19 ], [ %18, %17 ], [ %7, %6 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  resume { ptr, i32 } %.pn.pn

22:                                               ; preds = %15
  unreachable
}

; 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
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { nounwind }
attributes #4 = { 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)"}


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