; LLVM IR from ravireddy07/cpp-book :: src/Algorithm-Based (Nqueen)

; 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"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }

@result = external dso_local global i32, align 4
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; 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 uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z11countNQueenPPbii(ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) #3 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  %13 = load i32, ptr %6, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %14, i64 8)
  %16 = extractvalue { i64, i1 } %15, 1
  %17 = extractvalue { i64, i1 } %15, 0
  %18 = select i1 %16, i64 -1, i64 %17
  %19 = call noalias noundef nonnull ptr @_Znam(i64 noundef %18) #8
  store ptr %19, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %20

20:                                               ; preds = %33, %2
  %21 = load i32, ptr %8, align 4, !tbaa !5
  %22 = load i32, ptr %6, align 4, !tbaa !5
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %36

25:                                               ; preds = %20
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = call noalias noundef nonnull ptr @_Znam(i64 noundef %27) #8
  %29 = load ptr, ptr %7, align 8, !tbaa !9
  %30 = load i32, ptr %8, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds ptr, ptr %29, i64 %31
  store ptr %28, ptr %32, align 8, !tbaa !9
  br label %33

33:                                               ; preds = %25
  %34 = load i32, ptr %8, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %8, align 4, !tbaa !5
  br label %20, !llvm.loop !11

36:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %37

37:                                               ; preds = %61, %36
  %38 = load i32, ptr %9, align 4, !tbaa !5
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %42, label %41

41:                                               ; preds = %37
  store i32 5, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %64

42:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %43

43:                                               ; preds = %57, %42
  %44 = load i32, ptr %11, align 4, !tbaa !5
  %45 = load i32, ptr %6, align 4, !tbaa !5
  %46 = icmp slt i32 %44, %45
  br i1 %46, label %48, label %47

47:                                               ; preds = %43
  store i32 8, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %60

48:                                               ; preds = %43
  %49 = load ptr, ptr %7, align 8, !tbaa !9
  %50 = load i32, ptr %9, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds ptr, ptr %49, i64 %51
  %53 = load ptr, ptr %52, align 8, !tbaa !9
  %54 = load i32, ptr %11, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds i8, ptr %53, i64 %55
  store i8 0, ptr %56, align 1, !tbaa !13
  br label %57

57:                                               ; preds = %48
  %58 = load i32, ptr %11, align 4, !tbaa !5
  %59 = add nsw i32 %58, 1
  store i32 %59, ptr %11, align 4, !tbaa !5
  br label %43, !llvm.loop !15

60:                                               ; preds = %47
  br label %61

61:                                               ; preds = %60
  %62 = load i32, ptr %9, align 4, !tbaa !5
  %63 = add nsw i32 %62, 1
  store i32 %63, ptr %9, align 4, !tbaa !5
  br label %37, !llvm.loop !16

64:                                               ; preds = %41
  %65 = load ptr, ptr %7, align 8, !tbaa !9
  %66 = load i32, ptr %6, align 4, !tbaa !5
  call void @_Z11countNQueenPPbii(ptr noundef %65, i32 noundef 0, i32 noundef %66)
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %68 = load i32, ptr @result, align 4, !tbaa !5
  %69 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %68)
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %69, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  %71 = load i32, ptr %3, align 4
  ret i32 %71
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #5

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 #3 = { mustprogress norecurse 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 = { "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 #5 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { nobuiltin allocsize(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 #7 = { nounwind }
attributes #8 = { builtin allocsize(0) }

!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 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !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"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }

@result = external dso_local local_unnamed_addr global i32, align 4
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z11countNQueenPPbii(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #3 {
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %5 = load i32, ptr %3, align 4, !tbaa !5
  %6 = sext i32 %5 to i64
  %7 = icmp slt i32 %5, 0
  %8 = shl nsw i64 %6, 3
  %9 = select i1 %7, i64 -1, i64 %8
  %10 = call noalias noundef nonnull ptr @_Znam(i64 noundef %9) #8
  %11 = icmp sgt i32 %5, 0
  br i1 %11, label %.lr.ph.preheader, label %._crit_edge21

.lr.ph.preheader:                                 ; preds = %2
  %wide.trip.count = zext nneg i32 %5 to i64
  br label %.lr.ph

.preheader16:                                     ; preds = %.lr.ph
  br i1 %11, label %.preheader.us.preheader, label %._crit_edge21

.preheader.us.preheader:                          ; preds = %.preheader16
  %12 = zext nneg i32 %5 to i64
  %xtraiter = and i64 %wide.trip.count, 7
  %13 = icmp ult i32 %5, 8
  br i1 %13, label %._crit_edge21.loopexit.unr-lcssa, label %.preheader.us.preheader.new

.preheader.us.preheader.new:                      ; preds = %.preheader.us.preheader
  %unroll_iter = and i64 %wide.trip.count, 2147483640
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us, %.preheader.us.preheader.new
  %indvars.iv26 = phi i64 [ 0, %.preheader.us.preheader.new ], [ %indvars.iv.next27.7, %.preheader.us ]
  %niter = phi i64 [ 0, %.preheader.us.preheader.new ], [ %niter.next.7, %.preheader.us ]
  %14 = getelementptr inbounds ptr, ptr %10, i64 %indvars.iv26
  %15 = load ptr, ptr %14, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 1 %15, i8 0, i64 %12, i1 false), !tbaa !11
  %indvars.iv.next27 = or disjoint i64 %indvars.iv26, 1
  %16 = getelementptr inbounds ptr, ptr %10, i64 %indvars.iv.next27
  %17 = load ptr, ptr %16, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 1 %17, i8 0, i64 %12, i1 false), !tbaa !11
  %indvars.iv.next27.1 = or disjoint i64 %indvars.iv26, 2
  %18 = getelementptr inbounds ptr, ptr %10, i64 %indvars.iv.next27.1
  %19 = load ptr, ptr %18, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 1 %19, i8 0, i64 %12, i1 false), !tbaa !11
  %indvars.iv.next27.2 = or disjoint i64 %indvars.iv26, 3
  %20 = getelementptr inbounds ptr, ptr %10, i64 %indvars.iv.next27.2
  %21 = load ptr, ptr %20, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 1 %21, i8 0, i64 %12, i1 false), !tbaa !11
  %indvars.iv.next27.3 = or disjoint i64 %indvars.iv26, 4
  %22 = getelementptr inbounds ptr, ptr %10, i64 %indvars.iv.next27.3
  %23 = load ptr, ptr %22, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 1 %23, i8 0, i64 %12, i1 false), !tbaa !11
  %indvars.iv.next27.4 = or disjoint i64 %indvars.iv26, 5
  %24 = getelementptr inbounds ptr, ptr %10, i64 %indvars.iv.next27.4
  %25 = load ptr, ptr %24, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 1 %25, i8 0, i64 %12, i1 false), !tbaa !11
  %indvars.iv.next27.5 = or disjoint i64 %indvars.iv26, 6
  %26 = getelementptr inbounds ptr, ptr %10, i64 %indvars.iv.next27.5
  %27 = load ptr, ptr %26, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 1 %27, i8 0, i64 %12, i1 false), !tbaa !11
  %indvars.iv.next27.6 = or disjoint i64 %indvars.iv26, 7
  %28 = getelementptr inbounds ptr, ptr %10, i64 %indvars.iv.next27.6
  %29 = load ptr, ptr %28, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 1 %29, i8 0, i64 %12, i1 false), !tbaa !11
  %indvars.iv.next27.7 = add nuw nsw i64 %indvars.iv26, 8
  %niter.next.7 = add i64 %niter, 8
  %niter.ncmp.7 = icmp eq i64 %niter.next.7, %unroll_iter
  br i1 %niter.ncmp.7, label %._crit_edge21.loopexit.unr-lcssa, label %.preheader.us, !llvm.loop !13

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %30 = call noalias noundef nonnull ptr @_Znam(i64 noundef %6) #8
  %31 = getelementptr inbounds ptr, ptr %10, i64 %indvars.iv
  store ptr %30, ptr %31, align 8, !tbaa !9
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.preheader16, label %.lr.ph, !llvm.loop !15

._crit_edge21.loopexit.unr-lcssa:                 ; preds = %.preheader.us, %.preheader.us.preheader
  %indvars.iv26.unr = phi i64 [ 0, %.preheader.us.preheader ], [ %indvars.iv.next27.7, %.preheader.us ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge21, label %.preheader.us.epil

.preheader.us.epil:                               ; preds = %._crit_edge21.loopexit.unr-lcssa, %.preheader.us.epil
  %indvars.iv26.epil = phi i64 [ %indvars.iv.next27.epil, %.preheader.us.epil ], [ %indvars.iv26.unr, %._crit_edge21.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.preheader.us.epil ], [ 0, %._crit_edge21.loopexit.unr-lcssa ]
  %32 = getelementptr inbounds ptr, ptr %10, i64 %indvars.iv26.epil
  %33 = load ptr, ptr %32, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 1 %33, i8 0, i64 %12, i1 false), !tbaa !11
  %indvars.iv.next27.epil = add nuw nsw i64 %indvars.iv26.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge21, label %.preheader.us.epil, !llvm.loop !16

._crit_edge21:                                    ; preds = %._crit_edge21.loopexit.unr-lcssa, %.preheader.us.epil, %2, %.preheader16
  call void @_Z11countNQueenPPbii(ptr noundef nonnull %10, i32 noundef 0, i32 noundef %5)
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %35 = load i32, ptr @result, align 4, !tbaa !5
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %35)
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %36, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  ret i32 0
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #6

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 #3 = { mustprogress norecurse 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 = { "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 #5 = { nobuiltin allocsize(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 #6 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #7 = { nounwind }
attributes #8 = { builtin allocsize(0) }

!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 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.unroll.disable"}


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