; LLVM IR from tangjz/acm-icpc :: Summer_Training/2016-07-21/upsolved/H - Helter Skelter - tjz.ll (Z6addSqriiii)

; 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.Event = type { i32, i32, i32, i32 }

@totE = external dso_local global i32, align 4
@totY = external dso_local global i32, align 4
@que = external dso_local global [1500003 x i32], align 16
@e = external dso_local global [1500003 x %struct.Event], align 16

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

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

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z6addSqriiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) #1 {
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %struct.Event, align 4
  %10 = alloca %struct.Event, align 4
  store i32 %0, ptr %5, align 4, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !5
  store i32 %3, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #3
  %11 = getelementptr inbounds %struct.Event, ptr %9, i32 0, i32 0
  %12 = load i32, ptr %5, align 4, !tbaa !5
  store i32 %12, ptr %11, align 4, !tbaa !9
  %13 = getelementptr inbounds %struct.Event, ptr %9, i32 0, i32 1
  %14 = load i32, ptr %7, align 4, !tbaa !5
  store i32 %14, ptr %13, align 4, !tbaa !11
  %15 = getelementptr inbounds %struct.Event, ptr %9, i32 0, i32 2
  %16 = load i32, ptr %8, align 4, !tbaa !5
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr %15, align 4, !tbaa !12
  %18 = getelementptr inbounds %struct.Event, ptr %9, i32 0, i32 3
  store i32 1, ptr %18, align 4, !tbaa !13
  %19 = load i32, ptr @totE, align 4, !tbaa !5
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr @totE, align 4, !tbaa !5
  %21 = sext i32 %19 to i64
  %22 = getelementptr inbounds [1500003 x %struct.Event], ptr @e, i64 0, i64 %21
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %22, ptr align 4 %9, i64 16, i1 false), !tbaa.struct !14
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #3
  %23 = getelementptr inbounds %struct.Event, ptr %10, i32 0, i32 0
  %24 = load i32, ptr %6, align 4, !tbaa !5
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %23, align 4, !tbaa !9
  %26 = getelementptr inbounds %struct.Event, ptr %10, i32 0, i32 1
  %27 = load i32, ptr %7, align 4, !tbaa !5
  store i32 %27, ptr %26, align 4, !tbaa !11
  %28 = getelementptr inbounds %struct.Event, ptr %10, i32 0, i32 2
  %29 = load i32, ptr %8, align 4, !tbaa !5
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %28, align 4, !tbaa !12
  %31 = getelementptr inbounds %struct.Event, ptr %10, i32 0, i32 3
  store i32 -1, ptr %31, align 4, !tbaa !13
  %32 = load i32, ptr @totE, align 4, !tbaa !5
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr @totE, align 4, !tbaa !5
  %34 = sext i32 %32 to i64
  %35 = getelementptr inbounds [1500003 x %struct.Event], ptr @e, i64 0, i64 %34
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %35, ptr align 4 %10, i64 16, i1 false), !tbaa.struct !14
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #3
  %36 = load i32, ptr %7, align 4, !tbaa !5
  %37 = load i32, ptr @totY, align 4, !tbaa !5
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr @totY, align 4, !tbaa !5
  %39 = sext i32 %37 to i64
  %40 = getelementptr inbounds [1500003 x i32], ptr @que, i64 0, i64 %39
  store i32 %36, ptr %40, align 4, !tbaa !5
  %41 = load i32, ptr %8, align 4, !tbaa !5
  %42 = add nsw i32 %41, 1
  %43 = load i32, ptr @totY, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr @totY, align 4, !tbaa !5
  %45 = sext i32 %43 to i64
  %46 = getelementptr inbounds [1500003 x i32], ptr @que, i64 0, i64 %45
  store i32 %42, ptr %46, align 4, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTS5Event", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12}
!11 = !{!10, !6, i64 4}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !6, i64 12}
!14 = !{i64 0, i64 4, !5, i64 4, i64 4, !5, i64 8, i64 4, !5, i64 12, i64 4, !5}


; 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.Event = type { i32, i32, i32, i32 }

@totE = external dso_local local_unnamed_addr global i32, align 4
@totY = external dso_local local_unnamed_addr global i32, align 4
@que = external dso_local local_unnamed_addr global [1500003 x i32], align 16
@e = external dso_local local_unnamed_addr global [1500003 x %struct.Event], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @_Z6addSqriiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %5 = add nsw i32 %3, 1
  %6 = load i32, ptr @totE, align 4, !tbaa !5
  %7 = add nsw i32 %6, 1
  %8 = sext i32 %6 to i64
  %9 = getelementptr inbounds [1500003 x %struct.Event], ptr @e, i64 0, i64 %8
  store i32 %0, ptr %9, align 16, !tbaa !5
  %.sroa.42.0..sroa_idx = getelementptr inbounds i8, ptr %9, i64 4
  store i32 %2, ptr %.sroa.42.0..sroa_idx, align 4, !tbaa !5
  %.sroa.53.0..sroa_idx = getelementptr inbounds i8, ptr %9, i64 8
  store i32 %5, ptr %.sroa.53.0..sroa_idx, align 8, !tbaa !5
  %.sroa.64.0..sroa_idx = getelementptr inbounds i8, ptr %9, i64 12
  store i32 1, ptr %.sroa.64.0..sroa_idx, align 4, !tbaa !5
  %10 = add nsw i32 %1, 1
  %11 = add nsw i32 %6, 2
  store i32 %11, ptr @totE, align 4, !tbaa !5
  %12 = sext i32 %7 to i64
  %13 = getelementptr inbounds [1500003 x %struct.Event], ptr @e, i64 0, i64 %12
  store i32 %10, ptr %13, align 16, !tbaa !5
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %13, i64 4
  store i32 %2, ptr %.sroa.4.0..sroa_idx, align 4, !tbaa !5
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %13, i64 8
  store i32 %5, ptr %.sroa.5.0..sroa_idx, align 8, !tbaa !5
  %.sroa.6.0..sroa_idx = getelementptr inbounds i8, ptr %13, i64 12
  store i32 -1, ptr %.sroa.6.0..sroa_idx, align 4, !tbaa !5
  %14 = load i32, ptr @totY, align 4, !tbaa !5
  %15 = add nsw i32 %14, 1
  %16 = sext i32 %14 to i64
  %17 = getelementptr inbounds [1500003 x i32], ptr @que, i64 0, i64 %16
  store i32 %2, ptr %17, align 4, !tbaa !5
  %18 = add nsw i32 %14, 2
  store i32 %18, ptr @totY, align 4, !tbaa !5
  %19 = sext i32 %15 to i64
  %20 = getelementptr inbounds [1500003 x i32], ptr @que, i64 0, i64 %19
  store i32 %5, ptr %20, align 4, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: DSEPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass