; LLVM IR from lzyrapx/Competitive-Programming :: HDUOJ/5808.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"

@C = external dso_local global [20010 x [110 x i32]], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z6lowbiti(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 i32 @_Z5queryii(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = 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 4, ptr %5) #2
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  %7 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %7, ptr %6, align 4, !tbaa !5
  br label %8

8:                                                ; preds = %22, %2
  %9 = load i32, ptr %6, align 4, !tbaa !5
  %10 = icmp sge i32 %9, 1
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  br label %27

12:                                               ; preds = %8
  %13 = load i32, ptr %6, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [20010 x [110 x i32]], ptr @C, i64 0, i64 %14
  %16 = load i32, ptr %4, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [110 x i32], ptr %15, i64 0, i64 %17
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = load i32, ptr %5, align 4, !tbaa !5
  %21 = add nsw i32 %20, %19
  store i32 %21, ptr %5, align 4, !tbaa !5
  br label %22

22:                                               ; preds = %12
  %23 = load i32, ptr %6, align 4, !tbaa !5
  %24 = call noundef i32 @_Z6lowbiti(i32 noundef %23)
  %25 = load i32, ptr %6, align 4, !tbaa !5
  %26 = sub nsw i32 %25, %24
  store i32 %26, ptr %6, align 4, !tbaa !5
  br label %8, !llvm.loop !9

27:                                               ; preds = %11
  %28 = load i32, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret i32 %28
}

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 = 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"

@C = external dso_local local_unnamed_addr global [20010 x [110 x i32]], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z6lowbiti(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z5queryii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp sgt i32 %0, 0
  br i1 %3, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2
  %4 = sext i32 %1 to i64
  br label %5

._crit_edge:                                      ; preds = %5, %2
  %.08.lcssa = phi i32 [ 0, %2 ], [ %9, %5 ]
  ret i32 %.08.lcssa

5:                                                ; preds = %.lr.ph, %5
  %.010 = phi i32 [ %0, %.lr.ph ], [ %11, %5 ]
  %.089 = phi i32 [ 0, %.lr.ph ], [ %9, %5 ]
  %6 = zext nneg i32 %.010 to i64
  %7 = getelementptr inbounds [20010 x [110 x i32]], ptr @C, i64 0, i64 %6, i64 %4
  %8 = load i32, ptr %7, align 4, !tbaa !5
  %9 = add nsw i32 %8, %.089
  %10 = tail call noundef i32 @_Z6lowbiti(i32 noundef %.010)
  %11 = sub nsw i32 %.010, %10
  %12 = icmp sgt i32 %11, 0
  br i1 %12, label %5, label %._crit_edge, !llvm.loop !9
}

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


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