; LLVM IR from gem5/gem5 :: ext/systemc/src/sysc/communication (sc_prim_channel)

; 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_core::sc_prim_channel_registry" = type { ptr, i32, %"class.std::vector.18", ptr, ptr }
%"class.std::vector.18" = type { %"struct.std::_Vector_base.19" }
%"struct.std::_Vector_base.19" = type { %"struct.std::_Vector_base<sc_core::sc_prim_channel *, std::allocator<sc_core::sc_prim_channel *>>::_Vector_impl" }
%"struct.std::_Vector_base<sc_core::sc_prim_channel *, std::allocator<sc_core::sc_prim_channel *>>::_Vector_impl" = type { %"struct.std::_Vector_base<sc_core::sc_prim_channel *, std::allocator<sc_core::sc_prim_channel *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<sc_core::sc_prim_channel *, std::allocator<sc_core::sc_prim_channel *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@.str.1 = external hidden unnamed_addr constant [98 x i8], align 1
@_ZN7sc_core26SC_ID_REMOVE_PRIM_CHANNEL_E = external constant [0 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7sc_core24sc_prim_channel_registry6removeERNS_15sc_prim_channelE(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef nonnull align 8 dereferenceable(128) %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %7

7:                                                ; preds = %21, %2
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = call noundef i32 @_ZNK7sc_core24sc_prim_channel_registry4sizeEv(ptr noundef nonnull align 8 dereferenceable(56) %6)
  %10 = icmp slt i32 %8, %9
  br i1 %10, label %11, label %24

11:                                               ; preds = %7
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %"class.sc_core::sc_prim_channel_registry", ptr %6, i32 0, i32 2
  %14 = load i32, ptr %5, align 4, !tbaa !9
  %15 = sext i32 %14 to i64
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %15) #4
  %17 = load ptr, ptr %16, align 8, !tbaa !5
  %18 = icmp eq ptr %12, %17
  br i1 %18, label %19, label %20

19:                                               ; preds = %11
  br label %24

20:                                               ; preds = %11
  br label %21

21:                                               ; preds = %20
  %22 = load i32, ptr %5, align 4, !tbaa !9
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %5, align 4, !tbaa !9
  br label %7, !llvm.loop !11

24:                                               ; preds = %19, %7
  %25 = load i32, ptr %5, align 4, !tbaa !9
  %26 = call noundef i32 @_ZNK7sc_core24sc_prim_channel_registry4sizeEv(ptr noundef nonnull align 8 dereferenceable(56) %6)
  %27 = icmp eq i32 %25, %26
  br i1 %27, label %28, label %29

28:                                               ; preds = %24
  call void @_ZN7sc_core17sc_report_handler6reportENS_11sc_severityEPKcS3_S3_i(i32 noundef 2, ptr noundef @_ZN7sc_core26SC_ID_REMOVE_PRIM_CHANNEL_E, ptr noundef null, ptr noundef @.str.1, i32 noundef 237)
  br label %29

29:                                               ; preds = %28, %24
  %30 = getelementptr inbounds %"class.sc_core::sc_prim_channel_registry", ptr %6, i32 0, i32 2
  %31 = call noundef i32 @_ZNK7sc_core24sc_prim_channel_registry4sizeEv(ptr noundef nonnull align 8 dereferenceable(56) %6)
  %32 = sub nsw i32 %31, 1
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %30, i64 noundef %33) #4
  %35 = load ptr, ptr %34, align 8, !tbaa !5
  %36 = getelementptr inbounds %"class.sc_core::sc_prim_channel_registry", ptr %6, i32 0, i32 2
  %37 = load i32, ptr %5, align 4, !tbaa !9
  %38 = sext i32 %37 to i64
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %36, i64 noundef %38) #4
  store ptr %35, ptr %39, align 8, !tbaa !5
  %40 = getelementptr inbounds %"class.sc_core::sc_prim_channel_registry", ptr %6, i32 0, i32 2
  %41 = call noundef i32 @_ZNK7sc_core24sc_prim_channel_registry4sizeEv(ptr noundef nonnull align 8 dereferenceable(56) %6)
  %42 = sub nsw i32 %41, 1
  %43 = sext i32 %42 to i64
  call void @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %40, i64 noundef %43)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void
}

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

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

declare void @_ZN7sc_core17sc_report_handler6reportENS_11sc_severityEPKcS3_S3_i(i32 noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK7sc_core24sc_prim_channel_registry4sizeEv(ptr noundef nonnull align 8 dereferenceable(56)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #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 = { 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 = !{!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 = distinct !{!11, !12}
!12 = !{!"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.1 = external hidden unnamed_addr constant [98 x i8], align 1
@_ZN7sc_core26SC_ID_REMOVE_PRIM_CHANNEL_E = external constant [0 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7sc_core24sc_prim_channel_registry6removeERNS_15sc_prim_channelE(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef nonnull readnone align 8 dereferenceable(128) %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = tail call noundef i32 @_ZNK7sc_core24sc_prim_channel_registry4sizeEv(ptr noundef nonnull align 8 dereferenceable(56) %0)
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2, %9
  %indvars.iv = phi i64 [ %indvars.iv.next, %9 ], [ 0, %2 ]
  %6 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #3
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  %8 = icmp eq ptr %7, %1
  br i1 %8, label %._crit_edge.loopexit, label %9

9:                                                ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %10 = tail call noundef i32 @_ZNK7sc_core24sc_prim_channel_registry4sizeEv(ptr noundef nonnull align 8 dereferenceable(56) %0)
  %11 = sext i32 %10 to i64
  %12 = icmp slt i64 %indvars.iv.next, %11
  br i1 %12, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !9

._crit_edge.loopexit:                             ; preds = %.lr.ph, %9
  %.0.lcssa.ph.in = phi i64 [ %indvars.iv.next, %9 ], [ %indvars.iv, %.lr.ph ]
  %.0.lcssa.ph = trunc i64 %.0.lcssa.ph.in to i32
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %2
  %.0.lcssa = phi i32 [ 0, %2 ], [ %.0.lcssa.ph, %._crit_edge.loopexit ]
  %13 = tail call noundef i32 @_ZNK7sc_core24sc_prim_channel_registry4sizeEv(ptr noundef nonnull align 8 dereferenceable(56) %0)
  %14 = icmp eq i32 %.0.lcssa, %13
  br i1 %14, label %15, label %16

15:                                               ; preds = %._crit_edge
  tail call void @_ZN7sc_core17sc_report_handler6reportENS_11sc_severityEPKcS3_S3_i(i32 noundef 2, ptr noundef nonnull @_ZN7sc_core26SC_ID_REMOVE_PRIM_CHANNEL_E, ptr noundef null, ptr noundef nonnull @.str.1, i32 noundef 237)
  br label %16

16:                                               ; preds = %15, %._crit_edge
  %17 = tail call noundef i32 @_ZNK7sc_core24sc_prim_channel_registry4sizeEv(ptr noundef nonnull align 8 dereferenceable(56) %0)
  %18 = add nsw i32 %17, -1
  %19 = sext i32 %18 to i64
  %20 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %19) #3
  %21 = load ptr, ptr %20, align 8, !tbaa !5
  %22 = zext nneg i32 %.0.lcssa to i64
  %23 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %22) #3
  store ptr %21, ptr %23, align 8, !tbaa !5
  %24 = tail call noundef i32 @_ZNK7sc_core24sc_prim_channel_registry4sizeEv(ptr noundef nonnull align 8 dereferenceable(56) %0)
  %25 = add nsw i32 %24, -1
  %26 = sext i32 %25 to i64
  tail call void @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %26)
  ret void
}

declare void @_ZN7sc_core17sc_report_handler6reportENS_11sc_severityEPKcS3_S3_i(i32 noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK7sc_core24sc_prim_channel_registry4sizeEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN7sc_core15sc_prim_channelESaIS2_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) 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" }
attributes #1 = { "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 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"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass