; LLVM IR from AdarshGaur/Competitive-Programming :: Codeforces/Random Problems/C. Add One.ll (Z4initv)

; 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"

@dp = external dso_local global [200007 x i64], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z4initv() #0 {
  %1 = alloca i64, align 8
  store i64 3, ptr getelementptr inbounds ([200007 x i64], ptr @dp, i64 0, i64 9), align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #2
  store i64 0, ptr %1, align 8, !tbaa !5
  br label %2

2:                                                ; preds = %33, %0
  %3 = load i64, ptr %1, align 8, !tbaa !5
  %4 = icmp slt i64 %3, 200007
  br i1 %4, label %6, label %5

5:                                                ; preds = %2
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #2
  br label %36

6:                                                ; preds = %2
  %7 = load i64, ptr %1, align 8, !tbaa !5
  %8 = icmp sgt i64 %7, 9
  br i1 %8, label %9, label %25

9:                                                ; preds = %6
  %10 = load i64, ptr %1, align 8, !tbaa !5
  %11 = sub nsw i64 %10, 9
  %12 = getelementptr inbounds [200007 x i64], ptr @dp, i64 0, i64 %11
  %13 = load i64, ptr %12, align 8, !tbaa !5
  %14 = load i64, ptr %1, align 8, !tbaa !5
  %15 = sub nsw i64 %14, 10
  %16 = getelementptr inbounds [200007 x i64], ptr @dp, i64 0, i64 %15
  %17 = load i64, ptr %16, align 8, !tbaa !5
  %18 = add nsw i64 %13, %17
  %19 = load i64, ptr %1, align 8, !tbaa !5
  %20 = getelementptr inbounds [200007 x i64], ptr @dp, i64 0, i64 %19
  store i64 %18, ptr %20, align 8, !tbaa !5
  %21 = load i64, ptr %1, align 8, !tbaa !5
  %22 = getelementptr inbounds [200007 x i64], ptr @dp, i64 0, i64 %21
  %23 = load i64, ptr %22, align 8, !tbaa !5
  %24 = srem i64 %23, 1000000007
  store i64 %24, ptr %22, align 8, !tbaa !5
  br label %32

25:                                               ; preds = %6
  %26 = load i64, ptr %1, align 8, !tbaa !5
  %27 = icmp slt i64 %26, 9
  br i1 %27, label %28, label %31

28:                                               ; preds = %25
  %29 = load i64, ptr %1, align 8, !tbaa !5
  %30 = getelementptr inbounds [200007 x i64], ptr @dp, i64 0, i64 %29
  store i64 2, ptr %30, align 8, !tbaa !5
  br label %31

31:                                               ; preds = %28, %25
  br label %32

32:                                               ; preds = %31, %9
  br label %33

33:                                               ; preds = %32
  %34 = load i64, ptr %1, align 8, !tbaa !5
  %35 = add nsw i64 %34, 1
  store i64 %35, ptr %1, align 8, !tbaa !5
  br label %2, !llvm.loop !9

36:                                               ; preds = %5
  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

attributes #0 = { 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 #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", !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"

@dp = external dso_local local_unnamed_addr global [200007 x i64], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @_Z4initv() local_unnamed_addr #0 {
  store i64 3, ptr getelementptr inbounds (i8, ptr @dp, i64 72), align 8, !tbaa !5
  br label %2

1:                                                ; preds = %17
  ret void

2:                                                ; preds = %0, %17
  %.09 = phi i64 [ 0, %0 ], [ %18, %17 ]
  %3 = icmp ugt i64 %.09, 9
  br i1 %3, label %4, label %14

4:                                                ; preds = %2
  %5 = add nsw i64 %.09, -9
  %6 = getelementptr inbounds [200007 x i64], ptr @dp, i64 0, i64 %5
  %7 = load i64, ptr %6, align 8, !tbaa !5
  %8 = add nsw i64 %.09, -10
  %9 = getelementptr inbounds [200007 x i64], ptr @dp, i64 0, i64 %8
  %10 = load i64, ptr %9, align 8, !tbaa !5
  %11 = add nsw i64 %10, %7
  %12 = getelementptr inbounds [200007 x i64], ptr @dp, i64 0, i64 %.09
  %13 = srem i64 %11, 1000000007
  store i64 %13, ptr %12, align 8, !tbaa !5
  br label %17

14:                                               ; preds = %2
  %.not = icmp eq i64 %.09, 9
  br i1 %.not, label %17, label %15

15:                                               ; preds = %14
  %16 = getelementptr inbounds [200007 x i64], ptr @dp, i64 0, i64 %.09
  store i64 2, ptr %16, align 8, !tbaa !5
  br label %17

17:                                               ; preds = %4, %15, %14
  %18 = add nuw nsw i64 %.09, 1
  %exitcond.not = icmp eq i64 %18, 200007
  br i1 %exitcond.not, label %1, label %2, !llvm.loop !9
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind 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 = !{!"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,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass