; LLVM IR from gem5/gem5 :: src/systemc/utils (report)

; 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::initializer_list" = type { ptr, i64 }
%"struct.std::pair" = type { i32, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7sc_gem521DefaultReportMessagesC2ESt16initializer_listISt4pairIiPKcEE(ptr noundef nonnull align 1 dereferenceable(1) %0, ptr %1, i64 %2) unnamed_addr #0 align 2 {
  %4 = alloca %"class.std::initializer_list", align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = getelementptr inbounds { ptr, i64 }, ptr %4, i32 0, i32 0
  store ptr %1, ptr %10, align 8
  %11 = getelementptr inbounds { ptr, i64 }, ptr %4, i32 0, i32 1
  store i64 %2, ptr %11, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  %12 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  store ptr %4, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = call noundef ptr @_ZNKSt16initializer_listISt4pairIiPKcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16) %13) #4
  store ptr %14, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = call noundef ptr @_ZNKSt16initializer_listISt4pairIiPKcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16) %15) #4
  store ptr %16, ptr %8, align 8, !tbaa !5
  br label %17

17:                                               ; preds = %30, %3
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = icmp ne ptr %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %33

22:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %23, ptr %9, align 8, !tbaa !5
  %24 = load ptr, ptr %9, align 8, !tbaa !5
  %25 = getelementptr inbounds %"struct.std::pair", ptr %24, i32 0, i32 0
  %26 = load i32, ptr %25, align 8, !tbaa !9
  %27 = load ptr, ptr %9, align 8, !tbaa !5
  %28 = getelementptr inbounds %"struct.std::pair", ptr %27, i32 0, i32 1
  %29 = load ptr, ptr %28, align 8, !tbaa !12
  call void @_ZN7sc_core9sc_report11register_idEiPKc(i32 noundef %26, ptr noundef %29)
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  br label %30

30:                                               ; preds = %22
  %31 = load ptr, ptr %7, align 8, !tbaa !5
  %32 = getelementptr inbounds %"struct.std::pair", ptr %31, i32 1
  store ptr %32, ptr %7, align 8, !tbaa !5
  br label %17

33:                                               ; preds = %21
  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: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt16initializer_listISt4pairIiPKcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt16initializer_listISt4pairIiPKcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

declare void @_ZN7sc_core9sc_report11register_idEiPKc(i32 noundef, ptr noundef) #3

; 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 = { "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, !11, i64 0}
!10 = !{!"_ZTSSt4pairIiPKcE", !11, i64 0, !6, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 8}


; 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::initializer_list" = type { ptr, i64 }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7sc_gem521DefaultReportMessagesC2ESt16initializer_listISt4pairIiPKcEE(ptr nocapture noundef nonnull readnone align 1 dereferenceable(1) %0, ptr %1, i64 %2) unnamed_addr #0 align 2 {
  %4 = alloca %"class.std::initializer_list", align 8
  store ptr %1, ptr %4, align 8
  %5 = getelementptr inbounds i8, ptr %4, i64 8
  store i64 %2, ptr %5, align 8
  %6 = call noundef ptr @_ZNKSt16initializer_listISt4pairIiPKcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16) %4) #3
  %7 = call noundef ptr @_ZNKSt16initializer_listISt4pairIiPKcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16) %4) #3
  %.not9 = icmp eq ptr %6, %7
  br i1 %.not9, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret void

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.010 = phi ptr [ %11, %.lr.ph ], [ %6, %3 ]
  %8 = load i32, ptr %.010, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %.010, i64 8
  %10 = load ptr, ptr %9, align 8, !tbaa !11
  call void @_ZN7sc_core9sc_report11register_idEiPKc(i32 noundef %8, ptr noundef %10)
  %11 = getelementptr inbounds i8, ptr %.010, i64 16
  %.not = icmp eq ptr %11, %7
  br i1 %.not, label %._crit_edge, label %.lr.ph
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt16initializer_listISt4pairIiPKcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt16initializer_listISt4pairIiPKcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 align 2

declare void @_ZN7sc_core9sc_report11register_idEiPKc(i32 noundef, ptr noundef) local_unnamed_addr #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 = { 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 = { "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, !7, i64 0}
!6 = !{!"_ZTSSt4pairIiPKcE", !7, i64 0, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}


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