; LLVM IR from wkoszek/kmnsim :: src (all)

; 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.msg = type { [512 x i8] }
%struct.network = type { i64, %struct.nids, %struct.connlist, %struct.arptable, i32, i32, i32, i32, ptr, ptr, [1024 x i8] }
%struct.nids = type { ptr, ptr }
%struct.connlist = type { ptr, ptr }
%struct.arptable = type { ptr, ptr }

@nw_log = external dso_local global [8192 x %struct.msg], align 16
@msg_num = external hidden global i32, align 4
@.str.2 = external hidden unnamed_addr constant [58 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [37 x i8], align 1
@__PRETTY_FUNCTION__.network_dump_summary = external hidden unnamed_addr constant [52 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local void @network_dump_summary(ptr noundef %0, ptr noundef %1) #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
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.network, ptr %7, i32 0, i32 0
  %9 = load i64, ptr %8, align 8, !tbaa !9
  %10 = icmp eq i64 %9, 473585002
  br i1 %10, label %11, label %12

11:                                               ; preds = %2
  br label %13

12:                                               ; preds = %2
  call void @__assert_fail(ptr noundef @.str.6, ptr noundef @.str.2, i32 noundef 211, ptr noundef @__PRETTY_FUNCTION__.network_dump_summary) #5
  unreachable

13:                                               ; preds = %11
  store i32 0, ptr %5, align 4, !tbaa !16
  br label %14

14:                                               ; preds = %26, %13
  %15 = load i32, ptr %5, align 4, !tbaa !16
  %16 = load i32, ptr @msg_num, align 4, !tbaa !16
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %18, label %29

18:                                               ; preds = %14
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = load i32, ptr %5, align 4, !tbaa !16
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [8192 x %struct.msg], ptr @nw_log, i64 0, i64 %21
  %23 = getelementptr inbounds %struct.msg, ptr %22, i32 0, i32 0
  %24 = getelementptr inbounds [512 x i8], ptr %23, i64 0, i64 0
  %25 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %19, ptr noundef @.str.7, ptr noundef %24) #4
  br label %26

26:                                               ; preds = %18
  %27 = load i32, ptr %5, align 4, !tbaa !16
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %5, align 4, !tbaa !16
  br label %14, !llvm.loop !17

29:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void
}

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { noreturn 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 = { 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 "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 }
attributes #5 = { noreturn 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/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"network", !11, i64 0, !12, i64 8, !13, i64 24, !14, i64 40, !15, i64 56, !15, i64 60, !15, i64 64, !15, i64 68, !6, i64 72, !6, i64 80, !7, i64 88}
!11 = !{!"long", !7, i64 0}
!12 = !{!"nids", !6, i64 0, !6, i64 8}
!13 = !{!"connlist", !6, i64 0, !6, i64 8}
!14 = !{!"arptable", !6, i64 0, !6, i64 8}
!15 = !{!"int", !7, i64 0}
!16 = !{!15, !15, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"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"

%struct.msg = type { [512 x i8] }

@nw_log = external dso_local global [8192 x %struct.msg], align 16
@msg_num = external hidden local_unnamed_addr global i32, align 4
@.str.2 = external hidden unnamed_addr constant [58 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [37 x i8], align 1
@__PRETTY_FUNCTION__.network_dump_summary = external hidden unnamed_addr constant [52 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @network_dump_summary(ptr nocapture noundef readonly %0, ptr nocapture noundef %1) local_unnamed_addr #1 {
  %3 = load i64, ptr %0, align 8, !tbaa !5
  %4 = icmp eq i64 %3, 473585002
  br i1 %4, label %.preheader, label %7

.preheader:                                       ; preds = %2
  %5 = load i32, ptr @msg_num, align 4, !tbaa !15
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

7:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str.6, ptr noundef nonnull @.str.2, i32 noundef 211, ptr noundef nonnull @__PRETTY_FUNCTION__.network_dump_summary) #3
  unreachable

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.preheader ]
  %8 = getelementptr inbounds [8192 x %struct.msg], ptr @nw_log, i64 0, i64 %indvars.iv
  %9 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %1, ptr noundef nonnull @.str.7, ptr noundef nonnull %8) #4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %10 = load i32, ptr @msg_num, align 4, !tbaa !15
  %11 = sext i32 %10 to i64
  %12 = icmp slt i64 %indvars.iv.next, %11
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !16

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

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

attributes #0 = { noreturn 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 #1 = { 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 = { 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 #3 = { noreturn nounwind }
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, !7, i64 0}
!6 = !{!"network", !7, i64 0, !10, i64 8, !12, i64 24, !13, i64 40, !14, i64 56, !14, i64 60, !14, i64 64, !14, i64 68, !11, i64 72, !11, i64 80, !8, i64 88}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"nids", !11, i64 0, !11, i64 8}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!"connlist", !11, i64 0, !11, i64 8}
!13 = !{!"arptable", !11, i64 0, !11, i64 8}
!14 = !{!"int", !8, i64 0}
!15 = !{!14, !14, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


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