; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI/2531/main.ll (Z5buildiii)

; 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"

%struct.Data = type { i32, i32 }

@v = external dso_local global [100001 x i32], align 16
@st = external dso_local global [512345 x %struct.Data], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5buildiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %struct.Data, align 4
  %8 = alloca i32, align 4
  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
  %9 = load i32, ptr %5, align 4, !tbaa !5
  %10 = load i32, ptr %6, align 4, !tbaa !5
  %11 = icmp eq i32 %9, %10
  br i1 %11, label %12, label %26

12:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %13 = getelementptr inbounds %struct.Data, ptr %7, i32 0, i32 0
  %14 = load i32, ptr %5, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds [100001 x i32], ptr @v, i64 0, i64 %15
  %17 = load i32, ptr %16, align 4, !tbaa !5
  store i32 %17, ptr %13, align 4, !tbaa !9
  %18 = getelementptr inbounds %struct.Data, ptr %7, i32 0, i32 1
  %19 = load i32, ptr %5, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [100001 x i32], ptr @v, i64 0, i64 %20
  %22 = load i32, ptr %21, align 4, !tbaa !5
  store i32 %22, ptr %18, align 4, !tbaa !11
  %23 = load i32, ptr %4, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %24
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %25, ptr align 4 %7, i64 8, i1 false), !tbaa.struct !12
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  br label %72

26:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %27 = load i32, ptr %5, align 4, !tbaa !5
  %28 = load i32, ptr %6, align 4, !tbaa !5
  %29 = add nsw i32 %27, %28
  %30 = ashr i32 %29, 1
  store i32 %30, ptr %8, align 4, !tbaa !5
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = call noundef i32 @_Z6goLefti(i32 noundef %31)
  %33 = load i32, ptr %5, align 4, !tbaa !5
  %34 = load i32, ptr %8, align 4, !tbaa !5
  call void @_Z5buildiii(i32 noundef %32, i32 noundef %33, i32 noundef %34)
  %35 = load i32, ptr %4, align 4, !tbaa !5
  %36 = call noundef i32 @_Z7goRighti(i32 noundef %35)
  %37 = load i32, ptr %8, align 4, !tbaa !5
  %38 = add nsw i32 %37, 1
  %39 = load i32, ptr %6, align 4, !tbaa !5
  call void @_Z5buildiii(i32 noundef %36, i32 noundef %38, i32 noundef %39)
  %40 = load i32, ptr %4, align 4, !tbaa !5
  %41 = call noundef i32 @_Z6goLefti(i32 noundef %40)
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %42
  %44 = getelementptr inbounds %struct.Data, ptr %43, i32 0, i32 0
  %45 = load i32, ptr %4, align 4, !tbaa !5
  %46 = call noundef i32 @_Z7goRighti(i32 noundef %45)
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %47
  %49 = getelementptr inbounds %struct.Data, ptr %48, i32 0, i32 0
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %44, ptr noundef nonnull align 4 dereferenceable(4) %49)
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = load i32, ptr %4, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  %54 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %53
  %55 = getelementptr inbounds %struct.Data, ptr %54, i32 0, i32 0
  store i32 %51, ptr %55, align 8, !tbaa !9
  %56 = load i32, ptr %4, align 4, !tbaa !5
  %57 = call noundef i32 @_Z6goLefti(i32 noundef %56)
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %58
  %60 = getelementptr inbounds %struct.Data, ptr %59, i32 0, i32 1
  %61 = load i32, ptr %4, align 4, !tbaa !5
  %62 = call noundef i32 @_Z7goRighti(i32 noundef %61)
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %63
  %65 = getelementptr inbounds %struct.Data, ptr %64, i32 0, i32 1
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %60, ptr noundef nonnull align 4 dereferenceable(4) %65)
  %67 = load i32, ptr %66, align 4, !tbaa !5
  %68 = load i32, ptr %4, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %69
  %71 = getelementptr inbounds %struct.Data, ptr %70, i32 0, i32 1
  store i32 %67, ptr %71, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %72

72:                                               ; preds = %26, %12
  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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z6goLefti(i32 noundef) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z7goRighti(i32 noundef) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTS4Data", !6, i64 0, !6, i64 4}
!11 = !{!10, !6, i64 4}
!12 = !{i64 0, i64 4, !5, i64 4, i64 4, !5}


; 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"

%struct.Data = type { i32, i32 }

@v = external dso_local local_unnamed_addr global [100001 x i32], align 16
@st = external dso_local global [512345 x %struct.Data], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z5buildiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = icmp eq i32 %1, %2
  br i1 %4, label %5, label %12

5:                                                ; preds = %3
  %6 = sext i32 %1 to i64
  %7 = getelementptr inbounds [100001 x i32], ptr @v, i64 0, i64 %6
  %8 = load i32, ptr %7, align 4, !tbaa !5
  %9 = sext i32 %0 to i64
  %10 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %9
  store i32 %8, ptr %10, align 8, !tbaa !5
  br label %common.ret

common.ret:                                       ; preds = %5, %12
  %11 = phi i64 [ %9, %5 ], [ %26, %12 ]
  %.sink = phi i32 [ %8, %5 ], [ %35, %12 ]
  %.sroa.4.0..sroa_idx = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %11, i32 1
  store i32 %.sink, ptr %.sroa.4.0..sroa_idx, align 4, !tbaa !5
  ret void

12:                                               ; preds = %3
  %13 = add nsw i32 %2, %1
  %14 = ashr i32 %13, 1
  %15 = tail call noundef i32 @_Z6goLefti(i32 noundef %0)
  tail call void @_Z5buildiii(i32 noundef %15, i32 noundef %1, i32 noundef %14)
  %16 = tail call noundef i32 @_Z7goRighti(i32 noundef %0)
  %17 = add nsw i32 %14, 1
  tail call void @_Z5buildiii(i32 noundef %16, i32 noundef %17, i32 noundef %2)
  %18 = tail call noundef i32 @_Z6goLefti(i32 noundef %0)
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %19
  %21 = tail call noundef i32 @_Z7goRighti(i32 noundef %0)
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %22
  %24 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %20, ptr noundef nonnull align 4 dereferenceable(4) %23)
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = sext i32 %0 to i64
  %27 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %26
  store i32 %25, ptr %27, align 8, !tbaa !9
  %28 = tail call noundef i32 @_Z6goLefti(i32 noundef %0)
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %29, i32 1
  %31 = tail call noundef i32 @_Z7goRighti(i32 noundef %0)
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [512345 x %struct.Data], ptr @st, i64 0, i64 %32, i32 1
  %34 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %30, ptr noundef nonnull align 4 dereferenceable(4) %33)
  %35 = load i32, ptr %34, align 4, !tbaa !5
  br label %common.ret
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z6goLefti(i32 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z7goRighti(i32 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #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 = { inlinehint 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 = !{!10, !6, i64 0}
!10 = !{!"_ZTS4Data", !6, i64 0, !6, i64 4}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass