; LLVM IR from Tunghohin/Competitive_Coding :: Daimayuan/497.ll (Z3addxx)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@t = external dso_local global [9300310 x [2 x i64]], align 16
@idx = external dso_local global i64, align 8
@g = external dso_local global [9300310 x %"class.std::vector"], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3addxx(i64 noundef %0, i64 noundef %1) #0 {
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  store i64 %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  store i64 0, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  store i64 29, ptr %6, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %38, %2
  %9 = load i64, ptr %6, align 8, !tbaa !5
  %10 = icmp sge i64 %9, 0
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  br label %41

12:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  %13 = load i64, ptr %3, align 8, !tbaa !5
  %14 = load i64, ptr %6, align 8, !tbaa !5
  %15 = ashr i64 %13, %14
  %16 = and i64 %15, 1
  store i64 %16, ptr %7, align 8, !tbaa !5
  %17 = load i64, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds [9300310 x [2 x i64]], ptr @t, i64 0, i64 %17
  %19 = load i64, ptr %7, align 8, !tbaa !5
  %20 = getelementptr inbounds [2 x i64], ptr %18, i64 0, i64 %19
  %21 = load i64, ptr %20, align 8, !tbaa !5
  %22 = icmp ne i64 %21, 0
  br i1 %22, label %30, label %23

23:                                               ; preds = %12
  %24 = load i64, ptr @idx, align 8, !tbaa !5
  %25 = add nsw i64 %24, 1
  store i64 %25, ptr @idx, align 8, !tbaa !5
  %26 = load i64, ptr %5, align 8, !tbaa !5
  %27 = getelementptr inbounds [9300310 x [2 x i64]], ptr @t, i64 0, i64 %26
  %28 = load i64, ptr %7, align 8, !tbaa !5
  %29 = getelementptr inbounds [2 x i64], ptr %27, i64 0, i64 %28
  store i64 %25, ptr %29, align 8, !tbaa !5
  br label %30

30:                                               ; preds = %23, %12
  %31 = load i64, ptr %5, align 8, !tbaa !5
  %32 = getelementptr inbounds [9300310 x [2 x i64]], ptr @t, i64 0, i64 %31
  %33 = load i64, ptr %7, align 8, !tbaa !5
  %34 = getelementptr inbounds [2 x i64], ptr %32, i64 0, i64 %33
  %35 = load i64, ptr %34, align 8, !tbaa !5
  store i64 %35, ptr %5, align 8, !tbaa !5
  %36 = load i64, ptr %5, align 8, !tbaa !5
  %37 = getelementptr inbounds [9300310 x %"class.std::vector"], ptr @g, i64 0, i64 %36
  call void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24) %37, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  br label %38

38:                                               ; preds = %30
  %39 = load i64, ptr %6, align 8, !tbaa !5
  %40 = add nsw i64 %39, -1
  store i64 %40, ptr %6, align 8, !tbaa !5
  br label %8, !llvm.loop !9

41:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  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 uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #0 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 = { 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 = !{!"long long", !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.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@t = external dso_local local_unnamed_addr global [9300310 x [2 x i64]], align 16
@idx = external dso_local local_unnamed_addr global i64, align 8
@g = external dso_local global [9300310 x %"class.std::vector"], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3addxx(i64 noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = alloca i64, align 8
  store i64 %1, ptr %3, align 8, !tbaa !5
  br label %5

4:                                                ; preds = %13
  ret void

5:                                                ; preds = %2, %13
  %.013 = phi i64 [ 0, %2 ], [ %14, %13 ]
  %.01112 = phi i64 [ 29, %2 ], [ %16, %13 ]
  %6 = lshr i64 %0, %.01112
  %7 = and i64 %6, 1
  %8 = getelementptr inbounds [9300310 x [2 x i64]], ptr @t, i64 0, i64 %.013, i64 %7
  %9 = load i64, ptr %8, align 8, !tbaa !5
  %.not = icmp eq i64 %9, 0
  br i1 %.not, label %10, label %13

10:                                               ; preds = %5
  %11 = load i64, ptr @idx, align 8, !tbaa !5
  %12 = add nsw i64 %11, 1
  store i64 %12, ptr @idx, align 8, !tbaa !5
  store i64 %12, ptr %8, align 8, !tbaa !5
  br label %13

13:                                               ; preds = %10, %5
  %14 = phi i64 [ %12, %10 ], [ %9, %5 ]
  %15 = getelementptr inbounds [9300310 x %"class.std::vector"], ptr @g, i64 0, i64 %14
  call void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24) %15, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %16 = add nsw i64 %.01112, -1
  %.not14 = icmp eq i64 %.01112, 0
  br i1 %.not14, label %4, label %5, !llvm.loop !9
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) 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" }

!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 = !{!"long long", !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,LoopRotatePass,SROAPass,SimplifyCFGPass