; LLVM IR from buresjan/optim_lbm :: nomad/src/Util (StopReason)

; 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.0" = type { i8 }
%"class.NOMAD_4_3::StopReason.98" = type <{ ptr, i32, [4 x i8] }>

@.str.8 = external hidden unnamed_addr constant [82 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [50 x i8], align 1
@_ZTIN9NOMAD_4_39ExceptionE = external constant 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

declare ptr @__cxa_allocate_exception(i64)

; 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

; 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)

; 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 dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

declare void @__cxa_free_exception(ptr)

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK9NOMAD_4_310StopReasonINS_10CSStopTypeEE14checkTerminateEv(ptr noundef nonnull align 8 dereferenceable(12) %0) #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::allocator.0", 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.0", align 1
  %10 = alloca i1, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  %11 = load ptr, ptr %3, align 8
  %12 = getelementptr inbounds %"class.NOMAD_4_3::StopReason.98", ptr %11, i32 0, i32 1
  %13 = load i32, ptr %12, align 8, !tbaa !9
  switch i32 %13, label %16 [
    i32 1, label %14
    i32 2, label %14
    i32 3, label %14
    i32 4, label %14
    i32 5, label %14
    i32 0, label %15
  ]

14:                                               ; preds = %1, %1, %1, %1, %1
  store i1 true, ptr %2, align 1
  br label %38

15:                                               ; preds = %1
  store i1 false, ptr %2, align 1
  br label %38

16:                                               ; preds = %1
  store i1 true, ptr %10, align 1
  %17 = call ptr @__cxa_allocate_exception(i64 112) #3
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef @.str.8, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %18 unwind label %21

18:                                               ; preds = %16
  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.9, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %19 unwind label %25

19:                                               ; preds = %18
  invoke void @_ZN9NOMAD_4_39ExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmS8_(ptr noundef nonnull align 8 dereferenceable(112) %17, ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef 264, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %20 unwind label %29

20:                                               ; preds = %19
  store i1 false, ptr %10, align 1
  invoke void @__cxa_throw(ptr %17, ptr @_ZTIN9NOMAD_4_39ExceptionE, ptr @_ZN9NOMAD_4_39ExceptionD2Ev) #4
          to label %45 unwind label %29

21:                                               ; preds = %16
  %22 = landingpad { ptr, i32 }
          cleanup
  %23 = extractvalue { ptr, i32 } %22, 0
  store ptr %23, ptr %6, align 8
  %24 = extractvalue { ptr, i32 } %22, 1
  store i32 %24, ptr %7, align 4
  br label %34

25:                                               ; preds = %18
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %6, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %7, align 4
  br label %33

29:                                               ; preds = %20, %19
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %6, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %7, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  br label %33

33:                                               ; preds = %29, %25
  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
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  br label %34

34:                                               ; preds = %33, %21
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #3
  %35 = load i1, ptr %10, align 1
  br i1 %35, label %36, label %37

36:                                               ; preds = %34
  call void @__cxa_free_exception(ptr %17) #3
  br label %37

37:                                               ; preds = %36, %34
  br label %40

38:                                               ; preds = %15, %14
  %39 = load i1, ptr %2, align 1
  ret i1 %39

40:                                               ; preds = %37
  %41 = load ptr, ptr %6, align 8
  %42 = load i32, ptr %7, align 4
  %43 = insertvalue { ptr, i32 } poison, ptr %41, 0
  %44 = insertvalue { ptr, i32 } %43, i32 %42, 1
  resume { ptr, i32 } %44

45:                                               ; preds = %20
  unreachable
}

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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 8}
!10 = !{!"_ZTSN9NOMAD_4_310StopReasonINS_10CSStopTypeEEE", !11, i64 8}
!11 = !{!"_ZTSN9NOMAD_4_310CSStopTypeE", !7, i64 0}


; 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.0" = type { i8 }

@.str.8 = external hidden unnamed_addr constant [82 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [50 x i8], align 1
@_ZTIN9NOMAD_4_39ExceptionE = external constant 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

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

; 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

; 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

; 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 dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

declare void @__cxa_free_exception(ptr) local_unnamed_addr

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK9NOMAD_4_310StopReasonINS_10CSStopTypeEE14checkTerminateEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(12) %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::allocator.0", align 1
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::allocator.0", align 1
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = load i32, ptr %6, align 8, !tbaa !5
  %8 = icmp ult i32 %7, 6
  br i1 %8, label %switch.lookup, label %9

9:                                                ; preds = %1
  %10 = tail call ptr @__cxa_allocate_exception(i64 112) #3
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull @.str.8, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %11 unwind label %.thread

11:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull @.str.9, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %12 unwind label %15

12:                                               ; preds = %11
  invoke void @_ZN9NOMAD_4_39ExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmS8_(ptr noundef nonnull align 8 dereferenceable(112) %10, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef 264, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %13 unwind label %17

13:                                               ; preds = %12
  invoke void @__cxa_throw(ptr nonnull %10, ptr nonnull @_ZTIN9NOMAD_4_39ExceptionE, ptr nonnull @_ZN9NOMAD_4_39ExceptionD2Ev) #4
          to label %22 unwind label %17

.thread:                                          ; preds = %9
  %14 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #3
  br label %20

15:                                               ; preds = %11
  %16 = landingpad { ptr, i32 }
          cleanup
  br label %19

17:                                               ; preds = %13, %12
  %.0 = phi i1 [ false, %13 ], [ true, %12 ]
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  br label %19

19:                                               ; preds = %15, %17
  %.pn = phi { ptr, i32 } [ %18, %17 ], [ %16, %15 ]
  %.1 = phi i1 [ %.0, %17 ], [ true, %15 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #3
  br i1 %.1, label %20, label %21

20:                                               ; preds = %.thread, %19
  %.pn.pn14 = phi { ptr, i32 } [ %14, %.thread ], [ %.pn, %19 ]
  call void @__cxa_free_exception(ptr %10) #3
  br label %21

switch.lookup:                                    ; preds = %1
  %switch.cast = trunc nuw i32 %7 to i6
  %switch.downshift = lshr i6 -2, %switch.cast
  %switch.masked = trunc i6 %switch.downshift to i1
  ret i1 %switch.masked

21:                                               ; preds = %19, %20
  %.pn.pn13 = phi { ptr, i32 } [ %.pn, %19 ], [ %.pn.pn14, %20 ]
  resume { ptr, i32 } %.pn.pn13

22:                                               ; preds = %13
  unreachable
}

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)"}
!5 = !{!6, !7, i64 8}
!6 = !{!"_ZTSN9NOMAD_4_310StopReasonINS_10CSStopTypeEEE", !7, i64 8}
!7 = !{!"_ZTSN9NOMAD_4_310CSStopTypeE", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


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