; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Random/Cube Summation/A.ll (Z5queryiii)

; 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"

@tree = external dso_local global [101 x [101 x [101 x i64]]], align 16

; 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 nounwind uwtable
define dso_local noundef i64 @_Z5queryiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %9

9:                                                ; preds = %36, %3
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = icmp ne i32 %10, 0
  br i1 %11, label %12, label %43

12:                                               ; preds = %9
  %13 = load i32, ptr %5, align 4, !tbaa !5
  store i32 %13, ptr %7, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %17, %12
  %15 = load i32, ptr %7, align 4, !tbaa !5
  %16 = icmp ne i32 %15, 0
  br i1 %16, label %17, label %36

17:                                               ; preds = %14
  %18 = load i32, ptr %4, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [101 x [101 x [101 x i64]]], ptr @tree, i64 0, i64 %19
  %21 = load i32, ptr %7, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [101 x [101 x i64]], ptr %20, i64 0, i64 %22
  %24 = load i32, ptr %6, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [101 x i64], ptr %23, i64 0, i64 %25
  %27 = load i64, ptr %26, align 8, !tbaa !9
  %28 = load i64, ptr %8, align 8, !tbaa !9
  %29 = add nsw i64 %28, %27
  store i64 %29, ptr %8, align 8, !tbaa !9
  %30 = load i32, ptr %7, align 4, !tbaa !5
  %31 = load i32, ptr %7, align 4, !tbaa !5
  %32 = sub nsw i32 0, %31
  %33 = and i32 %30, %32
  %34 = load i32, ptr %7, align 4, !tbaa !5
  %35 = sub nsw i32 %34, %33
  store i32 %35, ptr %7, align 4, !tbaa !5
  br label %14, !llvm.loop !11

36:                                               ; preds = %14
  %37 = load i32, ptr %4, align 4, !tbaa !5
  %38 = load i32, ptr %4, align 4, !tbaa !5
  %39 = sub nsw i32 0, %38
  %40 = and i32 %37, %39
  %41 = load i32, ptr %4, align 4, !tbaa !5
  %42 = sub nsw i32 %41, %40
  store i32 %42, ptr %4, align 4, !tbaa !5
  br label %9, !llvm.loop !13

43:                                               ; preds = %9
  %44 = load i64, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  ret i64 %44
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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"

@tree = external dso_local local_unnamed_addr global [101 x [101 x [101 x i64]]], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: none, inaccessiblemem: none) uwtable
define dso_local noundef i64 @_Z5queryiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %.not22 = icmp eq i32 %0, 0
  br i1 %.not22, label %._crit_edge25, label %.preheader.lr.ph

.preheader.lr.ph:                                 ; preds = %3
  %.not1619 = icmp eq i32 %1, 0
  %4 = sext i32 %2 to i64
  br i1 %.not1619, label %._crit_edge25, label %.preheader

.preheader:                                       ; preds = %.preheader.lr.ph, %._crit_edge
  %.024 = phi i64 [ %10, %._crit_edge ], [ 0, %.preheader.lr.ph ]
  %.01523 = phi i32 [ %12, %._crit_edge ], [ %0, %.preheader.lr.ph ]
  %5 = sext i32 %.01523 to i64
  br label %6

6:                                                ; preds = %.preheader, %6
  %.121 = phi i64 [ %.024, %.preheader ], [ %10, %6 ]
  %.01420 = phi i32 [ %1, %.preheader ], [ %11, %6 ]
  %7 = sext i32 %.01420 to i64
  %8 = getelementptr inbounds [101 x [101 x [101 x i64]]], ptr @tree, i64 0, i64 %5, i64 %7, i64 %4
  %9 = load i64, ptr %8, align 8, !tbaa !5
  %10 = add nsw i64 %9, %.121
  %.not18 = add i32 %.01420, -1
  %11 = and i32 %.not18, %.01420
  %.not16 = icmp eq i32 %11, 0
  br i1 %.not16, label %._crit_edge, label %6, !llvm.loop !9

._crit_edge:                                      ; preds = %6
  %.not17 = add i32 %.01523, -1
  %12 = and i32 %.not17, %.01523
  %.not = icmp eq i32 %12, 0
  br i1 %.not, label %._crit_edge25, label %.preheader, !llvm.loop !11

._crit_edge25:                                    ; preds = %._crit_edge, %.preheader.lr.ph, %3
  %.0.lcssa = phi i64 [ 0, %3 ], [ 0, %.preheader.lr.ph ], [ %10, %._crit_edge ]
  ret i64 %.0.lcssa
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, 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 long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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