; LLVM IR from gem5/gem5 :: src/systemc/tests/systemc/misc/stars/star110998 (star110998)

; 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.sc_dt::sc_uint" = type { %"class.sc_dt::sc_uint_base" }
%"class.sc_dt::sc_uint_base" = type { %"class.sc_dt::sc_value_base", i64, i32, i32 }
%"class.sc_dt::sc_value_base" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN15io_controller_m13control_writeEv(ptr noundef nonnull align 8 dereferenceable(5288) %0) #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.sc_dt::sc_uint", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #3
  call void @_ZN5sc_dt7sc_uintILi32EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3)
  invoke void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %6)
          to label %7 unwind label %12

7:                                                ; preds = %1
  br label %8

8:                                                ; preds = %11, %7
  br label %9

9:                                                ; preds = %8
  invoke void @_ZN7sc_core9sc_module4waitEi(ptr noundef nonnull align 8 dereferenceable(232) %6, i32 noundef 5000)
          to label %10 unwind label %12

10:                                               ; preds = %9
  invoke void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %6)
          to label %11 unwind label %12

11:                                               ; preds = %10
  br label %8, !llvm.loop !9

12:                                               ; preds = %10, %9, %1
  %13 = landingpad { ptr, i32 }
          cleanup
  %14 = extractvalue { ptr, i32 } %13, 0
  store ptr %14, ptr %4, align 8
  %15 = extractvalue { ptr, i32 } %13, 1
  store i32 %15, ptr %5, align 4
  call void @_ZN5sc_dt13sc_value_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #3
  br label %16

16:                                               ; preds = %12
  %17 = load ptr, ptr %4, align 8
  %18 = load i32, ptr %5, align 4
  %19 = insertvalue { ptr, i32 } poison, ptr %17, 0
  %20 = insertvalue { ptr, i32 } %19, i32 %18, 1
  resume { ptr, i32 } %20
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5sc_dt7sc_uintILi32EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7sc_core9sc_module4waitEi(ptr noundef nonnull align 8 dereferenceable(232), i32 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5sc_dt13sc_value_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

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

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 = { 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 #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 = distinct !{!9, !10}
!10 = !{!"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"

%"class.sc_dt::sc_uint" = type { %"class.sc_dt::sc_uint_base" }
%"class.sc_dt::sc_uint_base" = type { %"class.sc_dt::sc_value_base", i64, i32, i32 }
%"class.sc_dt::sc_value_base" = type { ptr }

; Function Attrs: mustprogress noreturn uwtable
define dso_local void @_ZN15io_controller_m13control_writeEv(ptr noundef nonnull align 8 dereferenceable(5288) %0) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.sc_dt::sc_uint", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #4
  call void @_ZN5sc_dt7sc_uintILi32EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2)
  invoke void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %0)
          to label %.preheader unwind label %.loopexit.split-lp

.preheader:                                       ; preds = %1, %3
  invoke void @_ZN7sc_core9sc_module4waitEi(ptr noundef nonnull align 8 dereferenceable(232) %0, i32 noundef 5000)
          to label %3 unwind label %.loopexit

3:                                                ; preds = %.preheader
  invoke void @_ZN7sc_core9sc_module4waitEv(ptr noundef nonnull align 8 dereferenceable(232) %0)
          to label %.preheader unwind label %.loopexit, !llvm.loop !5

.loopexit:                                        ; preds = %.preheader, %3
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %4

.loopexit.split-lp:                               ; preds = %1
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %4

4:                                                ; preds = %.loopexit.split-lp, %.loopexit
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZN5sc_dt13sc_value_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #4
  resume { ptr, i32 } %lpad.phi
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5sc_dt7sc_uintILi32EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7sc_core9sc_module4waitEi(ptr noundef nonnull align 8 dereferenceable(232), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5sc_dt13sc_value_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

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

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #4 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass