; LLVM IR from VastoLorde95/Competitive-Programming :: CodeChef/LONG/APRIL15/FRMQ/frmq.ll (Z4initiii)

; 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"

@a = external dso_local global [100010 x i64], align 16
@tree = external dso_local global [500000 x i64], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z4initiii(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 i64, align 8
  %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
  %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 %20

12:                                               ; preds = %3
  %13 = load i32, ptr %5, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [100010 x i64], ptr @a, i64 0, i64 %14
  %16 = load i64, ptr %15, align 8, !tbaa !9
  %17 = load i32, ptr %4, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [500000 x i64], ptr @tree, i64 0, i64 %18
  store i64 %16, ptr %19, align 8, !tbaa !9
  br label %53

20:                                               ; preds = %3
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = mul nsw i32 2, %21
  %23 = load i32, ptr %5, align 4, !tbaa !5
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = load i32, ptr %6, align 4, !tbaa !5
  %26 = add nsw i32 %24, %25
  %27 = sdiv i32 %26, 2
  call void @_Z4initiii(i32 noundef %22, i32 noundef %23, i32 noundef %27)
  %28 = load i32, ptr %4, align 4, !tbaa !5
  %29 = mul nsw i32 2, %28
  %30 = add nsw i32 %29, 1
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = load i32, ptr %6, align 4, !tbaa !5
  %33 = add nsw i32 %31, %32
  %34 = sdiv i32 %33, 2
  %35 = add nsw i32 %34, 1
  %36 = load i32, ptr %6, align 4, !tbaa !5
  call void @_Z4initiii(i32 noundef %30, i32 noundef %35, i32 noundef %36)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %37 = load i32, ptr %4, align 4, !tbaa !5
  %38 = mul nsw i32 2, %37
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [500000 x i64], ptr @tree, i64 0, i64 %39
  %41 = load i64, ptr %40, align 8, !tbaa !9
  store i64 %41, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %42 = load i32, ptr %4, align 4, !tbaa !5
  %43 = mul nsw i32 2, %42
  %44 = add nsw i32 %43, 1
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds [500000 x i64], ptr @tree, i64 0, i64 %45
  %47 = load i64, ptr %46, align 8, !tbaa !9
  store i64 %47, ptr %8, align 8, !tbaa !9
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8)
  %49 = load i64, ptr %48, align 8, !tbaa !9
  %50 = load i32, ptr %4, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds [500000 x i64], ptr @tree, i64 0, i64 %51
  store i64 %49, ptr %52, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %53

53:                                               ; preds = %20, %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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

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

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 = { 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 #3 = { 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}


; 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"

@a = external dso_local local_unnamed_addr global [100010 x i64], align 16
@tree = external dso_local local_unnamed_addr global [500000 x i64], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z4initiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = icmp eq i32 %1, %2
  br i1 %6, label %common.ret, label %12

common.ret:                                       ; preds = %3
  %7 = sext i32 %1 to i64
  %8 = getelementptr inbounds [100010 x i64], ptr @a, i64 0, i64 %7
  %9 = load i64, ptr %8, align 8, !tbaa !5
  %10 = sext i32 %0 to i64
  %11 = getelementptr inbounds [500000 x i64], ptr @tree, i64 0, i64 %10
  store i64 %9, ptr %11, align 8, !tbaa !5
  br label %common.ret16

common.ret16:                                     ; preds = %12, %common.ret
  ret void

12:                                               ; preds = %3
  %13 = shl nsw i32 %0, 1
  %14 = add nsw i32 %2, %1
  %15 = sdiv i32 %14, 2
  tail call void @_Z4initiii(i32 noundef %13, i32 noundef %1, i32 noundef %15)
  %16 = or disjoint i32 %13, 1
  %17 = add nsw i32 %15, 1
  tail call void @_Z4initiii(i32 noundef %16, i32 noundef %17, i32 noundef %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %18 = sext i32 %13 to i64
  %19 = getelementptr inbounds [500000 x i64], ptr @tree, i64 0, i64 %18
  %20 = load i64, ptr %19, align 16, !tbaa !5
  store i64 %20, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %21 = sext i32 %16 to i64
  %22 = getelementptr inbounds [500000 x i64], ptr @tree, i64 0, i64 %21
  %23 = load i64, ptr %22, align 8, !tbaa !5
  store i64 %23, ptr %5, align 8, !tbaa !5
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5)
  %25 = load i64, ptr %24, align 8, !tbaa !5
  %26 = sext i32 %0 to i64
  %27 = getelementptr inbounds [500000 x i64], ptr @tree, i64 0, i64 %26
  store i64 %25, ptr %27, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  br label %common.ret16
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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"}


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