; LLVM IR from buresjan/optim_lbm :: nomad/src/Eval/BarrierBase.ll (ZN9NOMAD_4_311BarrierBase10checkCacheEv)

; 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.11 = external hidden unnamed_addr constant [83 x i8], align 1
@_ZTIN9NOMAD_4_39ExceptionE = external constant ptr
@.str.13 = external hidden unnamed_addr constant [56 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; 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_311BarrierBase10checkCacheEv(ptr noundef nonnull align 8 dereferenceable(120) %0) #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::allocator", align 1
  %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 %2, align 8, !tbaa !5
  %11 = load ptr, ptr %2, align 8
  %12 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZN9NOMAD_4_39CacheBase11getInstanceEv()
          to label %13 unwind label %14

13:                                               ; preds = %1
  br label %47

14:                                               ; preds = %1
  %15 = landingpad { ptr, i32 }
          catch ptr @_ZTIN9NOMAD_4_39ExceptionE
  %16 = extractvalue { ptr, i32 } %15, 0
  store ptr %16, ptr %3, align 8
  %17 = extractvalue { ptr, i32 } %15, 1
  store i32 %17, ptr %4, align 4
  br label %18

18:                                               ; preds = %14
  %19 = load i32, ptr %4, align 4
  %20 = call i32 @llvm.eh.typeid.for.p0(ptr @_ZTIN9NOMAD_4_39ExceptionE) #5
  %21 = icmp eq i32 %19, %20
  br i1 %21, label %22, label %48

22:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %23 = load ptr, ptr %3, align 8
  %24 = call ptr @__cxa_begin_catch(ptr %23) #5
  store ptr %24, ptr %5, align 8
  store i1 true, ptr %10, align 1
  %25 = call ptr @__cxa_allocate_exception(i64 112) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef @.str.11, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %26 unwind label %29

26:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef @.str.13, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %27 unwind label %33

27:                                               ; preds = %26
  invoke void @_ZN9NOMAD_4_39ExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmS8_(ptr noundef nonnull align 8 dereferenceable(112) %25, ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef 91, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %28 unwind label %37

28:                                               ; preds = %27
  store i1 false, ptr %10, align 1
  invoke void @__cxa_throw(ptr %25, ptr @_ZTIN9NOMAD_4_39ExceptionE, ptr @_ZN9NOMAD_4_39ExceptionD2Ev) #6
          to label %56 unwind label %37

29:                                               ; preds = %22
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %3, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %4, align 4
  br label %42

33:                                               ; preds = %26
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %3, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %4, align 4
  br label %41

37:                                               ; preds = %28, %27
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %3, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %4, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  br label %41

41:                                               ; preds = %37, %33
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  br label %42

42:                                               ; preds = %41, %29
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #5
  %43 = load i1, ptr %10, align 1
  br i1 %43, label %44, label %45

44:                                               ; preds = %42
  call void @__cxa_free_exception(ptr %25) #5
  br label %45

45:                                               ; preds = %44, %42
  invoke void @__cxa_end_catch()
          to label %46 unwind label %53

46:                                               ; preds = %45
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %48

47:                                               ; preds = %13
  ret void

48:                                               ; preds = %46, %18
  %49 = load ptr, ptr %3, align 8
  %50 = load i32, ptr %4, align 4
  %51 = insertvalue { ptr, i32 } poison, ptr %49, 0
  %52 = insertvalue { ptr, i32 } %51, i32 %50, 1
  resume { ptr, i32 } %52

53:                                               ; preds = %45
  %54 = landingpad { ptr, i32 }
          catch ptr null
  %55 = extractvalue { ptr, i32 } %54, 0
  call void @__clang_call_terminate(ptr %55) #7
  unreachable

56:                                               ; preds = %28
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9NOMAD_4_39CacheBase11getInstanceEv() #2 align 2

; Function Attrs: nounwind memory(none)
declare i32 @llvm.eh.typeid.for.p0(ptr) #3

declare ptr @__cxa_begin_catch(ptr)

declare void @__cxa_end_catch()

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #4

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 memory(none) }
attributes #4 = { noinline noreturn nounwind uwtable "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 }
attributes #6 = { noreturn }
attributes #7 = { noreturn 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"

%"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.11 = external hidden unnamed_addr constant [83 x i8], align 1
@_ZTIN9NOMAD_4_39ExceptionE = external constant ptr
@.str.13 = external hidden unnamed_addr constant [56 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

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

; 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_311BarrierBase10checkCacheEv(ptr nocapture noundef nonnull readnone align 8 dereferenceable(120) %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", align 1
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZN9NOMAD_4_39CacheBase11getInstanceEv()
          to label %27 unwind label %7

7:                                                ; preds = %1
  %8 = landingpad { ptr, i32 }
          catch ptr @_ZTIN9NOMAD_4_39ExceptionE
  %9 = extractvalue { ptr, i32 } %8, 1
  %10 = tail call i32 @llvm.eh.typeid.for.p0(ptr nonnull @_ZTIN9NOMAD_4_39ExceptionE) #5
  %11 = icmp eq i32 %9, %10
  br i1 %11, label %12, label %28

12:                                               ; preds = %7
  %13 = extractvalue { ptr, i32 } %8, 0
  %14 = tail call ptr @__cxa_begin_catch(ptr %13) #5
  %15 = tail call ptr @__cxa_allocate_exception(i64 112) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull @.str.11, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %16 unwind label %.thread

16:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull @.str.13, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %17 unwind label %20

17:                                               ; preds = %16
  invoke void @_ZN9NOMAD_4_39ExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmS8_(ptr noundef nonnull align 8 dereferenceable(112) %15, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef 91, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %18 unwind label %22

18:                                               ; preds = %17
  invoke void @__cxa_throw(ptr nonnull %15, ptr nonnull @_ZTIN9NOMAD_4_39ExceptionE, ptr nonnull @_ZN9NOMAD_4_39ExceptionD2Ev) #6
          to label %32 unwind label %22

.thread:                                          ; preds = %12
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  br label %25

20:                                               ; preds = %16
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %24

22:                                               ; preds = %18, %17
  %.0 = phi i1 [ false, %18 ], [ true, %17 ]
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  br label %24

24:                                               ; preds = %20, %22
  %.pn = phi { ptr, i32 } [ %23, %22 ], [ %21, %20 ]
  %.1 = phi i1 [ %.0, %22 ], [ true, %20 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  br i1 %.1, label %25, label %26

25:                                               ; preds = %.thread, %24
  %.pn.pn17 = phi { ptr, i32 } [ %19, %.thread ], [ %.pn, %24 ]
  call void @__cxa_free_exception(ptr %15) #5
  br label %26

26:                                               ; preds = %25, %24
  %.pn.pn16 = phi { ptr, i32 } [ %.pn.pn17, %25 ], [ %.pn, %24 ]
  invoke void @__cxa_end_catch()
          to label %28 unwind label %29

27:                                               ; preds = %1
  ret void

28:                                               ; preds = %26, %7
  %.merged = phi { ptr, i32 } [ %8, %7 ], [ %.pn.pn16, %26 ]
  resume { ptr, i32 } %.merged

29:                                               ; preds = %26
  %30 = landingpad { ptr, i32 }
          catch ptr null
  %31 = extractvalue { ptr, i32 } %30, 0
  call void @__clang_call_terminate(ptr %31) #7
  unreachable

32:                                               ; preds = %18
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9NOMAD_4_39CacheBase11getInstanceEv() local_unnamed_addr #2 align 2

; Function Attrs: nofree nosync nounwind memory(none)
declare i32 @llvm.eh.typeid.for.p0(ptr) #3

declare ptr @__cxa_begin_catch(ptr) local_unnamed_addr

declare void @__cxa_end_catch() local_unnamed_addr

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #4

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 = { nofree nosync nounwind memory(none) }
attributes #4 = { noinline noreturn nounwind uwtable "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 }
attributes #6 = { noreturn }
attributes #7 = { noreturn 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: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass