; LLVM IR from upupming/algorithm :: acwing/算法竞赛进阶指南/0x29-总结与练习/195. 骑士精神 (main)

; 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_istream" = type { ptr, i64, %"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_ostream" = type { ptr, %"class.std::basic_ios" }

@g = external dso_local global [10 x [10 x i8]], align 16
@n = external dso_local global i32, align 4
@e = external dso_local global i32, align 4
@px = external dso_local global i32, align 4
@py = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", 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 dso_local noundef zeroext i1 @_Z7idaStariii(i32 noundef, i32 noundef, i32 noundef) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  br label %7

7:                                                ; preds = %67, %0
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = add nsw i32 %8, -1
  store i32 %9, ptr %2, align 4, !tbaa !5
  %10 = icmp ne i32 %8, 0
  br i1 %10, label %11, label %71

11:                                               ; preds = %7
  store i32 0, ptr @e, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %46, %11
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = load i32, ptr @n, align 4, !tbaa !5
  %15 = icmp slt i32 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  store i32 4, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %49

17:                                               ; preds = %12
  %18 = load i32, ptr %3, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [10 x [10 x i8]], ptr @g, i64 0, i64 %19
  %21 = getelementptr inbounds [10 x i8], ptr %20, i64 0, i64 0
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_PS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef %21)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %42, %17
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = load i32, ptr @n, align 4, !tbaa !5
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  store i32 7, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %45

28:                                               ; preds = %23
  %29 = load i32, ptr %3, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [10 x [10 x i8]], ptr @g, i64 0, i64 %30
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [10 x i8], ptr %31, i64 0, i64 %33
  %35 = load i8, ptr %34, align 1, !tbaa !9
  %36 = sext i8 %35 to i32
  %37 = icmp eq i32 %36, 42
  br i1 %37, label %38, label %41

38:                                               ; preds = %28
  %39 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %39, ptr @px, align 4, !tbaa !5
  %40 = load i32, ptr %5, align 4, !tbaa !5
  store i32 %40, ptr @py, align 4, !tbaa !5
  br label %41

41:                                               ; preds = %38, %28
  br label %42

42:                                               ; preds = %41
  %43 = load i32, ptr %5, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %5, align 4, !tbaa !5
  br label %23, !llvm.loop !10

45:                                               ; preds = %27
  br label %46

46:                                               ; preds = %45
  %47 = load i32, ptr %3, align 4, !tbaa !5
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %3, align 4, !tbaa !5
  br label %12, !llvm.loop !12

49:                                               ; preds = %16
  br label %50

50:                                               ; preds = %58, %49
  %51 = load i32, ptr @e, align 4, !tbaa !5
  %52 = icmp sle i32 %51, 15
  br i1 %52, label %53, label %56

53:                                               ; preds = %50
  %54 = call noundef zeroext i1 @_Z7idaStariii(i32 noundef 0, i32 noundef -1, i32 noundef -1)
  %55 = xor i1 %54, true
  br label %56

56:                                               ; preds = %53, %50
  %57 = phi i1 [ false, %50 ], [ %55, %53 ]
  br i1 %57, label %58, label %61

58:                                               ; preds = %56
  %59 = load i32, ptr @e, align 4, !tbaa !5
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr @e, align 4, !tbaa !5
  br label %50, !llvm.loop !13

61:                                               ; preds = %56
  %62 = load i32, ptr @e, align 4, !tbaa !5
  %63 = icmp sgt i32 %62, 15
  br i1 %63, label %64, label %65

64:                                               ; preds = %61
  br label %67

65:                                               ; preds = %61
  %66 = load i32, ptr @e, align 4, !tbaa !5
  br label %67

67:                                               ; preds = %65, %64
  %68 = phi i32 [ -1, %64 ], [ %66, %65 ]
  %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_)
  br label %7, !llvm.loop !14

71:                                               ; preds = %7
  store i32 0, ptr %1, align 4
  store i32 1, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %72 = load i32, ptr %1, align 4
  ret i32 %72
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_PS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; 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)) #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 = { 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 #3 = { "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 = { 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 #5 = { 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}
!14 = distinct !{!14, !11}


; 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_istream" = type { ptr, i64, %"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_ostream" = type { ptr, %"class.std::basic_ios" }

@g = external dso_local global [10 x [10 x i8]], align 16
@n = external dso_local local_unnamed_addr global i32, align 4
@e = external dso_local local_unnamed_addr global i32, align 4
@px = external dso_local local_unnamed_addr global i32, align 4
@py = external dso_local local_unnamed_addr global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", 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 dso_local noundef zeroext i1 @_Z7idaStariii(i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %2 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %3 = load i32, ptr %1, align 4, !tbaa !5
  %4 = add nsw i32 %3, -1
  store i32 %4, ptr %1, align 4, !tbaa !5
  %.not17 = icmp eq i32 %3, 0
  br i1 %.not17, label %._crit_edge20, label %.lr.ph19

.lr.ph19:                                         ; preds = %0, %.critedge
  store i32 0, ptr @e, align 4, !tbaa !5
  %5 = load i32, ptr @n, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph14, label %.lr.ph15.preheader

.lr.ph14:                                         ; preds = %.lr.ph19, %._crit_edge
  %indvars.iv22 = phi i64 [ %indvars.iv.next23, %._crit_edge ], [ 0, %.lr.ph19 ]
  %7 = getelementptr inbounds [10 x [10 x i8]], ptr @g, i64 0, i64 %indvars.iv22
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_PS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef %7)
  %9 = load i32, ptr @n, align 4, !tbaa !5
  %10 = icmp sgt i32 %9, 0
  br i1 %10, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %.lr.ph14
  %wide.trip.count = zext nneg i32 %9 to i64
  %11 = trunc nuw nsw i64 %indvars.iv22 to i32
  %xtraiter = and i64 %wide.trip.count, 1
  %12 = icmp eq i32 %9, 1
  br i1 %12, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %wide.trip.count, 2147483646
  br label %.lr.ph

._crit_edge.loopexit.unr-lcssa:                   ; preds = %30, %.lr.ph.preheader
  %indvars.iv.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next.1, %30 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa
  %13 = getelementptr inbounds [10 x [10 x i8]], ptr @g, i64 0, i64 %indvars.iv22, i64 %indvars.iv.unr
  %14 = load i8, ptr %13, align 1, !tbaa !9
  %15 = icmp eq i8 %14, 42
  br i1 %15, label %16, label %._crit_edge

16:                                               ; preds = %.lr.ph.epil
  store i32 %11, ptr @px, align 4, !tbaa !5
  %17 = trunc nuw nsw i64 %indvars.iv.unr to i32
  store i32 %17, ptr @py, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %16, %.lr.ph.epil, %.lr.ph14
  %indvars.iv.next23 = add nuw nsw i64 %indvars.iv22, 1
  %18 = sext i32 %9 to i64
  %19 = icmp slt i64 %indvars.iv.next23, %18
  br i1 %19, label %.lr.ph14, label %thread-pre-split, !llvm.loop !10

.lr.ph:                                           ; preds = %30, %.lr.ph.preheader.new
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader.new ], [ %indvars.iv.next.1, %30 ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.1, %30 ]
  %20 = getelementptr inbounds [10 x [10 x i8]], ptr @g, i64 0, i64 %indvars.iv22, i64 %indvars.iv
  %21 = load i8, ptr %20, align 2, !tbaa !9
  %22 = icmp eq i8 %21, 42
  br i1 %22, label %23, label %.lr.ph.1

23:                                               ; preds = %.lr.ph
  store i32 %11, ptr @px, align 4, !tbaa !5
  %24 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %24, ptr @py, align 4, !tbaa !5
  br label %.lr.ph.1

.lr.ph.1:                                         ; preds = %.lr.ph, %23
  %indvars.iv.next = or disjoint i64 %indvars.iv, 1
  %25 = getelementptr inbounds [10 x [10 x i8]], ptr @g, i64 0, i64 %indvars.iv22, i64 %indvars.iv.next
  %26 = load i8, ptr %25, align 1, !tbaa !9
  %27 = icmp eq i8 %26, 42
  br i1 %27, label %28, label %30

28:                                               ; preds = %.lr.ph.1
  store i32 %11, ptr @px, align 4, !tbaa !5
  %29 = trunc nuw nsw i64 %indvars.iv.next to i32
  store i32 %29, ptr @py, align 4, !tbaa !5
  br label %30

30:                                               ; preds = %28, %.lr.ph.1
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !12

thread-pre-split:                                 ; preds = %._crit_edge
  %.pr.pre = load i32, ptr @e, align 4
  %31 = icmp slt i32 %.pr.pre, 16
  br i1 %31, label %.lr.ph15.preheader, label %.critedge

.lr.ph15.preheader:                               ; preds = %.lr.ph19, %thread-pre-split
  br label %.lr.ph15

.lr.ph15:                                         ; preds = %.lr.ph15.preheader, %33
  %32 = call noundef zeroext i1 @_Z7idaStariii(i32 noundef 0, i32 noundef -1, i32 noundef -1)
  %.pre.pre = load i32, ptr @e, align 4
  br i1 %32, label %.critedge, label %33

33:                                               ; preds = %.lr.ph15
  %34 = add nsw i32 %.pre.pre, 1
  store i32 %34, ptr @e, align 4, !tbaa !5
  %35 = icmp slt i32 %.pre.pre, 15
  br i1 %35, label %.lr.ph15, label %.critedge, !llvm.loop !13

.critedge:                                        ; preds = %.lr.ph15, %33, %thread-pre-split
  %36 = phi i32 [ %.pr.pre, %thread-pre-split ], [ %.pre.pre, %.lr.ph15 ], [ %34, %33 ]
  %37 = icmp sgt i32 %36, 15
  %38 = select i1 %37, i32 -1, i32 %36
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %38)
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %39, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %41 = load i32, ptr %1, align 4, !tbaa !5
  %42 = add nsw i32 %41, -1
  store i32 %42, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %41, 0
  br i1 %.not, label %._crit_edge20, label %.lr.ph19, !llvm.loop !14

._crit_edge20:                                    ; preds = %.critedge, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  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 #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_PS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull) local_unnamed_addr #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; 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)) #4

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 = { 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 #3 = { "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 = { 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 #5 = { 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}
!14 = distinct !{!14, !11}


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