; LLVM IR from VastoLorde95/Competitive-Programming :: CodeChef/SHORT/COOK67/Problem D (D)

; 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"

@pwr = external dso_local global [100010 x i64], align 16
@.str.2 = 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solvev() #1

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  store i64 1, ptr @pwr, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  store i32 1, ptr %2, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %18, %0
  %5 = load i32, ptr %2, align 4, !tbaa !9
  %6 = icmp slt i32 %5, 100010
  br i1 %6, label %8, label %7

7:                                                ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %21

8:                                                ; preds = %4
  %9 = load i32, ptr %2, align 4, !tbaa !9
  %10 = sub nsw i32 %9, 1
  %11 = sext i32 %10 to i64
  %12 = getelementptr inbounds [100010 x i64], ptr @pwr, i64 0, i64 %11
  %13 = load i64, ptr %12, align 8, !tbaa !5
  %14 = mul i64 %13, 31
  %15 = load i32, ptr %2, align 4, !tbaa !9
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [100010 x i64], ptr @pwr, i64 0, i64 %16
  store i64 %14, ptr %17, align 8, !tbaa !5
  br label %18

18:                                               ; preds = %8
  %19 = load i32, ptr %2, align 4, !tbaa !9
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %2, align 4, !tbaa !9
  br label %4, !llvm.loop !11

21:                                               ; preds = %7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %3)
  br label %23

23:                                               ; preds = %27, %21
  %24 = load i32, ptr %3, align 4, !tbaa !9
  %25 = add nsw i32 %24, -1
  store i32 %25, ptr %3, align 4, !tbaa !9
  %26 = icmp ne i32 %24, 0
  br i1 %26, label %27, label %28

27:                                               ; preds = %23
  call void @_Z5solvev()
  br label %23, !llvm.loop !13

28:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret i32 0
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { mustprogress norecurse 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 #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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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"

@pwr = external dso_local local_unnamed_addr global [100010 x i64], align 16
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solvev() local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  store i64 1, ptr @pwr, align 16, !tbaa !5
  br label %6

2:                                                ; preds = %6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %1)
  %4 = load i32, ptr %1, align 4, !tbaa !9
  %5 = add nsw i32 %4, -1
  store i32 %5, ptr %1, align 4, !tbaa !9
  %.not5 = icmp eq i32 %4, 0
  br i1 %.not5, label %._crit_edge, label %.lr.ph

6:                                                ; preds = %10, %0
  %7 = phi i64 [ 1, %0 ], [ %15, %10 ]
  %indvars.iv = phi i64 [ 1, %0 ], [ %indvars.iv.next.3, %10 ]
  %8 = mul i64 %7, 31
  %9 = getelementptr inbounds [100010 x i64], ptr @pwr, i64 0, i64 %indvars.iv
  store i64 %8, ptr %9, align 8, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 100010
  br i1 %exitcond.not, label %2, label %10, !llvm.loop !11

10:                                               ; preds = %6
  %11 = mul i64 %7, 961
  %12 = getelementptr inbounds [100010 x i64], ptr @pwr, i64 0, i64 %indvars.iv.next
  store i64 %11, ptr %12, align 8, !tbaa !5
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %13 = mul i64 %7, 29791
  %14 = getelementptr inbounds [100010 x i64], ptr @pwr, i64 0, i64 %indvars.iv.next.1
  store i64 %13, ptr %14, align 8, !tbaa !5
  %indvars.iv.next.2 = add nuw nsw i64 %indvars.iv, 3
  %15 = mul i64 %7, 923521
  %16 = getelementptr inbounds [100010 x i64], ptr @pwr, i64 0, i64 %indvars.iv.next.2
  store i64 %15, ptr %16, align 8, !tbaa !5
  %indvars.iv.next.3 = add nuw nsw i64 %indvars.iv, 4
  br label %6

.lr.ph:                                           ; preds = %2, %.lr.ph
  call void @_Z5solvev()
  %17 = load i32, ptr %1, align 4, !tbaa !9
  %18 = add nsw i32 %17, -1
  store i32 %18, ptr %1, align 4, !tbaa !9
  %.not = icmp eq i32 %17, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph, %2
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  ret i32 0
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { mustprogress norecurse 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 #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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; Effective O3 passes: BDCEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass