; LLVM IR from gem5/gem5 :: src/systemc/tests/systemc/tracing/wif_trace/pct1/monitor.ll (ZN7monitor5entryEv)

; 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.monitor = type { %"class.sc_core::sc_module", %"class.sc_core::sc_in", %"class.sc_core::sc_in", %"class.sc_core::sc_in.13", %"class.sc_core::sc_in" }
%"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.13" = type { %"class.sc_core::sc_port.14", ptr, ptr }
%"class.sc_core::sc_port.14" = type { %"class.sc_core::sc_port_b.15" }
%"class.sc_core::sc_port_b.15" = type { %"class.sc_core::sc_port_base", ptr, %"class.std::vector.16" }
%"class.sc_core::sc_port_base" = type { %"class.sc_core::sc_object", ptr }
%"class.std::vector.16" = type { %"struct.std::_Vector_base.17" }
%"struct.std::_Vector_base.17" = type { %"struct.std::_Vector_base<sc_core::sc_signal_in_if<int> *, std::allocator<sc_core::sc_signal_in_if<int> *>>::_Vector_impl" }
%"struct.std::_Vector_base<sc_core::sc_signal_in_if<int> *, std::allocator<sc_core::sc_signal_in_if<int> *>>::_Vector_impl" = type { %"struct.std::_Vector_base<sc_core::sc_signal_in_if<int> *, std::allocator<sc_core::sc_signal_in_if<int> *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<sc_core::sc_signal_in_if<int> *, std::allocator<sc_core::sc_signal_in_if<int> *>>::_Vector_impl_data" = type { ptr, ptr, 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.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 }

@.str = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7monitor5entryEv(ptr noundef nonnull align 8 dereferenceable(952) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %5

5:                                                ; preds = %6, %1
  br label %6

6:                                                ; preds = %5
  %7 = getelementptr inbounds %struct.monitor, ptr %4, i32 0, i32 2
  %8 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK7sc_core5sc_inIbE4readEv(ptr noundef nonnull align 8 dereferenceable(184) %7)
  %9 = load i8, ptr %8, align 1, !tbaa !11, !range !13, !noundef !14
  %10 = trunc i8 %9 to i1
  %11 = zext i1 %10 to i32
  %12 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %11)
  call void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %4)
  br label %5, !llvm.loop !15
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK7sc_core5sc_inIbE4readEv(ptr noundef nonnull align 8 dereferenceable(184)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232)) #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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 }

!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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; 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"

@.str = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress noreturn uwtable
define dso_local void @_ZN7monitor5entryEv(ptr noundef nonnull align 8 dereferenceable(952) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 416
  br label %3

3:                                                ; preds = %3, %1
  %4 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK7sc_core5sc_inIbE4readEv(ptr noundef nonnull align 8 dereferenceable(184) %2)
  %5 = load i8, ptr %4, align 1, !tbaa !5, !range !9, !noundef !10
  %6 = zext nneg i8 %5 to i32
  %7 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %6)
  tail call void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %0)
  br label %3, !llvm.loop !11
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK7sc_core5sc_inIbE4readEv(ptr noundef nonnull align 8 dereferenceable(184)) local_unnamed_addr #2 align 2

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

attributes #0 = { mustprogress noreturn 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 #1 = { nofree 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 #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" }

!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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i8 0, i8 2}
!10 = !{}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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