; LLVM IR from gem5/gem5 :: src/systemc/tests/systemc/misc/synth/wait_until/misc/test2/test2.ll (ZN1t5entryEv)

; 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.t = type { %"class.sc_core::sc_module", %"class.sc_core::sc_in", ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }
%"class.sc_core::sc_module" = type { %"class.sc_core::sc_object", %"class.sc_core::sc_process_host", %"class.sc_core::sc_sensitive", %"class.sc_core::sc_sensitive_pos", %"class.sc_core::sc_sensitive_neg", i8, ptr, i32, ptr, ptr }
%"class.sc_core::sc_object" = type { ptr, ptr, %"class.std::vector", %"class.std::vector.0", %"class.std::__cxx11::basic_string", ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<sc_core::sc_event *, std::allocator<sc_core::sc_event *>>::_Vector_impl" }
%"struct.std::_Vector_base<sc_core::sc_event *, std::allocator<sc_core::sc_event *>>::_Vector_impl" = type { %"struct.std::_Vector_base<sc_core::sc_event *, std::allocator<sc_core::sc_event *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<sc_core::sc_event *, std::allocator<sc_core::sc_event *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<sc_core::sc_object *, std::allocator<sc_core::sc_object *>>::_Vector_impl" }
%"struct.std::_Vector_base<sc_core::sc_object *, std::allocator<sc_core::sc_object *>>::_Vector_impl" = type { %"struct.std::_Vector_base<sc_core::sc_object *, std::allocator<sc_core::sc_object *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<sc_core::sc_object *, std::allocator<sc_core::sc_object *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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.sc_core::sc_process_host" = type { ptr }
%"class.sc_core::sc_sensitive" = type { ptr, i32, ptr }
%"class.sc_core::sc_sensitive_pos" = type { ptr, i32, ptr }
%"class.sc_core::sc_sensitive_neg" = type { ptr, i32, ptr }
%"class.sc_core::sc_in" = type { %"class.sc_core::sc_port", ptr, ptr, ptr, ptr }
%"class.sc_core::sc_port" = type { %"class.sc_core::sc_port_b" }
%"class.sc_core::sc_port_b" = type { %"class.sc_core::sc_port_base", ptr, %"class.std::vector.8" }
%"class.sc_core::sc_port_base" = type { %"class.sc_core::sc_object", ptr }
%"class.std::vector.8" = type { %"struct.std::_Vector_base.9" }
%"struct.std::_Vector_base.9" = type { %"struct.std::_Vector_base<sc_core::sc_signal_in_if<bool> *, std::allocator<sc_core::sc_signal_in_if<bool> *>>::_Vector_impl" }
%"struct.std::_Vector_base<sc_core::sc_signal_in_if<bool> *, std::allocator<sc_core::sc_signal_in_if<bool> *>>::_Vector_impl" = type { %"struct.std::_Vector_base<sc_core::sc_signal_in_if<bool> *, std::allocator<sc_core::sc_signal_in_if<bool> *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<sc_core::sc_signal_in_if<bool> *, std::allocator<sc_core::sc_signal_in_if<bool> *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN1t5entryEv(ptr noundef nonnull align 8 dereferenceable(528) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  call void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %3)
  br label %4

4:                                                ; preds = %21, %1
  br label %5

5:                                                ; preds = %6, %4
  call void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %3)
  br label %6

6:                                                ; preds = %5
  %7 = getelementptr inbounds %struct.t, ptr %3, i32 0, i32 8
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK7sc_core9sc_signalIbLNS_16sc_writer_policyE0EEcvRKbEv(ptr noundef nonnull align 8 dereferenceable(224) %8)
  %10 = load i8, ptr %9, align 1, !tbaa !41, !range !42, !noundef !43
  %11 = trunc i8 %10 to i1
  %12 = zext i1 %11 to i32
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %5, label %14, !llvm.loop !44

14:                                               ; preds = %6
  %15 = getelementptr inbounds %struct.t, ptr %3, i32 0, i32 4
  %16 = load ptr, ptr %15, align 8, !tbaa !46
  %17 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK7sc_core9sc_signalIiLNS_16sc_writer_policyE0EEcvRKiEv(ptr noundef nonnull align 8 dereferenceable(196) %16)
  %18 = load i32, ptr %17, align 4, !tbaa !47
  %19 = icmp eq i32 %18, 1
  br i1 %19, label %20, label %21

20:                                               ; preds = %14
  br label %22

21:                                               ; preds = %14
  br label %4, !llvm.loop !48

22:                                               ; preds = %20
  call void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %3)
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK7sc_core9sc_signalIbLNS_16sc_writer_policyE0EEcvRKbEv(ptr noundef nonnull align 8 dereferenceable(224)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK7sc_core9sc_signalIiLNS_16sc_writer_policyE0EEcvRKiEv(ptr noundef nonnull align 8 dereferenceable(196)) #0 align 2

attributes #0 = { 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" }

!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, !6, i64 464}
!10 = !{!"_ZTS1t", !11, i64 0, !33, i64 232, !6, i64 416, !6, i64 424, !6, i64 432, !6, i64 440, !6, i64 448, !6, i64 456, !6, i64 464, !6, i64 472, !6, i64 480, !6, i64 488, !6, i64 496, !6, i64 504, !6, i64 512, !6, i64 520}
!11 = !{!"_ZTSN7sc_core9sc_moduleE", !12, i64 0, !24, i64 112, !25, i64 120, !27, i64 144, !29, i64 168, !31, i64 192, !6, i64 200, !32, i64 208, !6, i64 216, !6, i64 224}
!12 = !{!"_ZTSN7sc_core9sc_objectE", !6, i64 8, !13, i64 16, !17, i64 40, !21, i64 64, !6, i64 96, !6, i64 104}
!13 = !{!"_ZTSSt6vectorIPN7sc_core8sc_eventESaIS2_EE", !14, i64 0}
!14 = !{!"_ZTSSt12_Vector_baseIPN7sc_core8sc_eventESaIS2_EE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core8sc_eventESaIS2_EE12_Vector_implE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core8sc_eventESaIS2_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!17 = !{!"_ZTSSt6vectorIPN7sc_core9sc_objectESaIS2_EE", !18, i64 0}
!18 = !{!"_ZTSSt12_Vector_baseIPN7sc_core9sc_objectESaIS2_EE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core9sc_objectESaIS2_EE12_Vector_implE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core9sc_objectESaIS2_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!21 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !22, i64 0, !23, i64 8, !7, i64 16}
!22 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!23 = !{!"long", !7, i64 0}
!24 = !{!"_ZTSN7sc_core15sc_process_hostE"}
!25 = !{!"_ZTSN7sc_core12sc_sensitiveE", !6, i64 0, !26, i64 8, !6, i64 16}
!26 = !{!"_ZTSN7sc_core12sc_sensitiveUt_E", !7, i64 0}
!27 = !{!"_ZTSN7sc_core16sc_sensitive_posE", !6, i64 0, !28, i64 8, !6, i64 16}
!28 = !{!"_ZTSN7sc_core16sc_sensitive_posUt_E", !7, i64 0}
!29 = !{!"_ZTSN7sc_core16sc_sensitive_negE", !6, i64 0, !30, i64 8, !6, i64 16}
!30 = !{!"_ZTSN7sc_core16sc_sensitive_negUt_E", !7, i64 0}
!31 = !{!"bool", !7, i64 0}
!32 = !{!"int", !7, i64 0}
!33 = !{!"_ZTSN7sc_core5sc_inIbEE", !34, i64 0, !6, i64 152, !6, i64 160, !6, i64 168, !6, i64 176}
!34 = !{!"_ZTSN7sc_core7sc_portINS_15sc_signal_in_ifIbEELi1ELNS_14sc_port_policyE0EEE", !35, i64 0}
!35 = !{!"_ZTSN7sc_core9sc_port_bINS_15sc_signal_in_ifIbEEEE", !36, i64 0, !6, i64 120, !37, i64 128}
!36 = !{!"_ZTSN7sc_core12sc_port_baseE", !12, i64 0, !6, i64 112}
!37 = !{!"_ZTSSt6vectorIPN7sc_core15sc_signal_in_ifIbEESaIS3_EE", !38, i64 0}
!38 = !{!"_ZTSSt12_Vector_baseIPN7sc_core15sc_signal_in_ifIbEESaIS3_EE", !39, i64 0}
!39 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core15sc_signal_in_ifIbEESaIS3_EE12_Vector_implE", !40, i64 0}
!40 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core15sc_signal_in_ifIbEESaIS3_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!41 = !{!31, !31, i64 0}
!42 = !{i8 0, i8 2}
!43 = !{}
!44 = distinct !{!44, !45}
!45 = !{!"llvm.loop.mustprogress"}
!46 = !{!10, !6, i64 432}
!47 = !{!32, !32, i64 0}
!48 = distinct !{!48, !45}


; 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"

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN1t5entryEv(ptr noundef nonnull align 8 dereferenceable(528) %0) local_unnamed_addr #0 align 2 {
  tail call void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %0)
  %2 = getelementptr inbounds i8, ptr %0, i64 432
  %3 = getelementptr inbounds i8, ptr %0, i64 464
  br label %4

4:                                                ; preds = %.backedge, %1
  tail call void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %0)
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK7sc_core9sc_signalIbLNS_16sc_writer_policyE0EEcvRKbEv(ptr noundef nonnull align 8 dereferenceable(224) %5)
  %7 = load i8, ptr %6, align 1, !tbaa !40, !range !41, !noundef !42
  %8 = icmp eq i8 %7, 0
  br i1 %8, label %.backedge, label %9

.backedge:                                        ; preds = %4, %9
  br label %4, !llvm.loop !43

9:                                                ; preds = %4
  %10 = load ptr, ptr %2, align 8, !tbaa !45
  %11 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK7sc_core9sc_signalIiLNS_16sc_writer_policyE0EEcvRKiEv(ptr noundef nonnull align 8 dereferenceable(196) %10)
  %12 = load i32, ptr %11, align 4, !tbaa !46
  %13 = icmp eq i32 %12, 1
  br i1 %13, label %14, label %.backedge

14:                                               ; preds = %9
  tail call void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %0)
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK7sc_core9sc_signalIbLNS_16sc_writer_policyE0EEcvRKbEv(ptr noundef nonnull align 8 dereferenceable(224)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK7sc_core9sc_signalIiLNS_16sc_writer_policyE0EEcvRKiEv(ptr noundef nonnull align 8 dereferenceable(196)) local_unnamed_addr #0 align 2

attributes #0 = { 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" }

!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, !9, i64 464}
!6 = !{!"_ZTS1t", !7, i64 0, !32, i64 232, !9, i64 416, !9, i64 424, !9, i64 432, !9, i64 440, !9, i64 448, !9, i64 456, !9, i64 464, !9, i64 472, !9, i64 480, !9, i64 488, !9, i64 496, !9, i64 504, !9, i64 512, !9, i64 520}
!7 = !{!"_ZTSN7sc_core9sc_moduleE", !8, i64 0, !23, i64 112, !24, i64 120, !26, i64 144, !28, i64 168, !30, i64 192, !9, i64 200, !31, i64 208, !9, i64 216, !9, i64 224}
!8 = !{!"_ZTSN7sc_core9sc_objectE", !9, i64 8, !12, i64 16, !16, i64 40, !20, i64 64, !9, i64 96, !9, i64 104}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"_ZTSSt6vectorIPN7sc_core8sc_eventESaIS2_EE", !13, i64 0}
!13 = !{!"_ZTSSt12_Vector_baseIPN7sc_core8sc_eventESaIS2_EE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core8sc_eventESaIS2_EE12_Vector_implE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core8sc_eventESaIS2_EE17_Vector_impl_dataE", !9, i64 0, !9, i64 8, !9, i64 16}
!16 = !{!"_ZTSSt6vectorIPN7sc_core9sc_objectESaIS2_EE", !17, i64 0}
!17 = !{!"_ZTSSt12_Vector_baseIPN7sc_core9sc_objectESaIS2_EE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core9sc_objectESaIS2_EE12_Vector_implE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core9sc_objectESaIS2_EE17_Vector_impl_dataE", !9, i64 0, !9, i64 8, !9, i64 16}
!20 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !21, i64 0, !22, i64 8, !10, i64 16}
!21 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !9, i64 0}
!22 = !{!"long", !10, i64 0}
!23 = !{!"_ZTSN7sc_core15sc_process_hostE"}
!24 = !{!"_ZTSN7sc_core12sc_sensitiveE", !9, i64 0, !25, i64 8, !9, i64 16}
!25 = !{!"_ZTSN7sc_core12sc_sensitiveUt_E", !10, i64 0}
!26 = !{!"_ZTSN7sc_core16sc_sensitive_posE", !9, i64 0, !27, i64 8, !9, i64 16}
!27 = !{!"_ZTSN7sc_core16sc_sensitive_posUt_E", !10, i64 0}
!28 = !{!"_ZTSN7sc_core16sc_sensitive_negE", !9, i64 0, !29, i64 8, !9, i64 16}
!29 = !{!"_ZTSN7sc_core16sc_sensitive_negUt_E", !10, i64 0}
!30 = !{!"bool", !10, i64 0}
!31 = !{!"int", !10, i64 0}
!32 = !{!"_ZTSN7sc_core5sc_inIbEE", !33, i64 0, !9, i64 152, !9, i64 160, !9, i64 168, !9, i64 176}
!33 = !{!"_ZTSN7sc_core7sc_portINS_15sc_signal_in_ifIbEELi1ELNS_14sc_port_policyE0EEE", !34, i64 0}
!34 = !{!"_ZTSN7sc_core9sc_port_bINS_15sc_signal_in_ifIbEEEE", !35, i64 0, !9, i64 120, !36, i64 128}
!35 = !{!"_ZTSN7sc_core12sc_port_baseE", !8, i64 0, !9, i64 112}
!36 = !{!"_ZTSSt6vectorIPN7sc_core15sc_signal_in_ifIbEESaIS3_EE", !37, i64 0}
!37 = !{!"_ZTSSt12_Vector_baseIPN7sc_core15sc_signal_in_ifIbEESaIS3_EE", !38, i64 0}
!38 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core15sc_signal_in_ifIbEESaIS3_EE12_Vector_implE", !39, i64 0}
!39 = !{!"_ZTSNSt12_Vector_baseIPN7sc_core15sc_signal_in_ifIbEESaIS3_EE17_Vector_impl_dataE", !9, i64 0, !9, i64 8, !9, i64 16}
!40 = !{!30, !30, i64 0}
!41 = !{i8 0, i8 2}
!42 = !{}
!43 = distinct !{!43, !44}
!44 = !{!"llvm.loop.mustprogress"}
!45 = !{!6, !9, i64 432}
!46 = !{!31, !31, i64 0}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InstCombinePass,LICMPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass