; LLVM IR from Tunghohin/Competitive_Coding :: Codeforces/cf1674_F.ll (Z5queryii)

; 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"

@tr = external dso_local global [1010 x [1010 x i64]], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z7low_biti(i32 noundef) #0

; 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

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i64 @_Z5queryii(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  store i64 0, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  %9 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %9, ptr %6, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %36, %2
  %11 = load i32, ptr %6, align 4, !tbaa !5
  %12 = icmp ne i32 %11, 0
  br i1 %12, label %14, label %13

13:                                               ; preds = %10
  store i32 2, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  br label %41

14:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  %15 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %15, ptr %8, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %30, %14
  %17 = load i32, ptr %8, align 4, !tbaa !5
  %18 = icmp ne i32 %17, 0
  br i1 %18, label %20, label %19

19:                                               ; preds = %16
  store i32 5, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  br label %35

20:                                               ; preds = %16
  %21 = load i32, ptr %6, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [1010 x [1010 x i64]], ptr @tr, i64 0, i64 %22
  %24 = load i32, ptr %8, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [1010 x i64], ptr %23, i64 0, i64 %25
  %27 = load i64, ptr %26, align 8, !tbaa !9
  %28 = load i64, ptr %5, align 8, !tbaa !9
  %29 = add nsw i64 %28, %27
  store i64 %29, ptr %5, align 8, !tbaa !9
  br label %30

30:                                               ; preds = %20
  %31 = load i32, ptr %8, align 4, !tbaa !5
  %32 = call noundef i32 @_Z7low_biti(i32 noundef %31)
  %33 = load i32, ptr %8, align 4, !tbaa !5
  %34 = sub nsw i32 %33, %32
  store i32 %34, ptr %8, align 4, !tbaa !5
  br label %16, !llvm.loop !11

35:                                               ; preds = %19
  br label %36

36:                                               ; preds = %35
  %37 = load i32, ptr %6, align 4, !tbaa !5
  %38 = call noundef i32 @_Z7low_biti(i32 noundef %37)
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = sub nsw i32 %39, %38
  store i32 %40, ptr %6, align 4, !tbaa !5
  br label %10, !llvm.loop !13

41:                                               ; preds = %13
  %42 = load i64, ptr %5, align 8, !tbaa !9
  store i32 1, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret i64 %42
}

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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !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"

@tr = external dso_local local_unnamed_addr global [1010 x [1010 x i64]], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z7low_biti(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i64 @_Z5queryii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %.not18 = icmp eq i32 %0, 0
  br i1 %.not18, label %._crit_edge21, label %.preheader.lr.ph

.preheader.lr.ph:                                 ; preds = %2
  %.not1415 = icmp eq i32 %1, 0
  br i1 %.not1415, label %.preheader.us, label %.preheader

.preheader.us:                                    ; preds = %.preheader.lr.ph, %.preheader.us
  %.01220.us = phi i32 [ %4, %.preheader.us ], [ %0, %.preheader.lr.ph ]
  %3 = tail call noundef i32 @_Z7low_biti(i32 noundef %.01220.us)
  %4 = sub nsw i32 %.01220.us, %3
  %.not.us = icmp eq i32 %4, 0
  br i1 %.not.us, label %._crit_edge21, label %.preheader.us, !llvm.loop !5

.preheader:                                       ; preds = %.preheader.lr.ph, %._crit_edge
  %.01220 = phi i32 [ %7, %._crit_edge ], [ %0, %.preheader.lr.ph ]
  %.01319 = phi i64 [ %12, %._crit_edge ], [ 0, %.preheader.lr.ph ]
  %5 = sext i32 %.01220 to i64
  br label %8

._crit_edge21:                                    ; preds = %._crit_edge, %.preheader.us, %2
  %.013.lcssa = phi i64 [ 0, %2 ], [ 0, %.preheader.us ], [ %12, %._crit_edge ]
  ret i64 %.013.lcssa

._crit_edge:                                      ; preds = %8
  %6 = tail call noundef i32 @_Z7low_biti(i32 noundef %.01220)
  %7 = sub nsw i32 %.01220, %6
  %.not = icmp eq i32 %7, 0
  br i1 %.not, label %._crit_edge21, label %.preheader, !llvm.loop !5

8:                                                ; preds = %.preheader, %8
  %.017 = phi i32 [ %1, %.preheader ], [ %14, %8 ]
  %.116 = phi i64 [ %.01319, %.preheader ], [ %12, %8 ]
  %9 = sext i32 %.017 to i64
  %10 = getelementptr inbounds [1010 x [1010 x i64]], ptr @tr, i64 0, i64 %5, i64 %9
  %11 = load i64, ptr %10, align 8, !tbaa !7
  %12 = add nsw i64 %11, %.116
  %13 = tail call noundef i32 @_Z7low_biti(i32 noundef %.017)
  %14 = sub nsw i32 %.017, %13
  %.not14 = icmp eq i32 %14, 0
  br i1 %.not14, label %._crit_edge, label %8, !llvm.loop !11
}

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" }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"long long", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = distinct !{!11, !6}


; Effective O3 passes: GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass