; LLVM IR from xirc/cp-algorithm :: atcoder/hhkb2020/hhkb2020B (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"

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z5solveiiSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE(i32 noundef %0, i32 noundef %1, ptr noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %76, %3
  %12 = load i32, ptr %8, align 4, !tbaa !5
  %13 = load i32, ptr %4, align 4, !tbaa !5
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %79

16:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %72, %16
  %18 = load i32, ptr %10, align 4, !tbaa !5
  %19 = load i32, ptr %5, align 4, !tbaa !5
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  store i32 5, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  br label %75

22:                                               ; preds = %17
  %23 = load i32, ptr %8, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %24) #3
  %26 = load i32, ptr %10, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %25, i64 noundef %27)
  %29 = load i8, ptr %28, align 1, !tbaa !11
  %30 = sext i8 %29 to i32
  %31 = icmp eq i32 %30, 35
  br i1 %31, label %32, label %33

32:                                               ; preds = %22
  br label %72

33:                                               ; preds = %22
  %34 = load i32, ptr %10, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  %36 = load i32, ptr %5, align 4, !tbaa !5
  %37 = icmp slt i32 %35, %36
  br i1 %37, label %38, label %52

38:                                               ; preds = %33
  %39 = load i32, ptr %8, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %40) #3
  %42 = load i32, ptr %10, align 4, !tbaa !5
  %43 = add nsw i32 %42, 1
  %44 = sext i32 %43 to i64
  %45 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %41, i64 noundef %44)
  %46 = load i8, ptr %45, align 1, !tbaa !11
  %47 = sext i8 %46 to i32
  %48 = icmp eq i32 %47, 46
  br i1 %48, label %49, label %52

49:                                               ; preds = %38
  %50 = load i32, ptr %7, align 4, !tbaa !5
  %51 = add nsw i32 %50, 1
  store i32 %51, ptr %7, align 4, !tbaa !5
  br label %52

52:                                               ; preds = %49, %38, %33
  %53 = load i32, ptr %8, align 4, !tbaa !5
  %54 = add nsw i32 %53, 1
  %55 = load i32, ptr %4, align 4, !tbaa !5
  %56 = icmp slt i32 %54, %55
  br i1 %56, label %57, label %71

57:                                               ; preds = %52
  %58 = load i32, ptr %8, align 4, !tbaa !5
  %59 = add nsw i32 %58, 1
  %60 = sext i32 %59 to i64
  %61 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %60) #3
  %62 = load i32, ptr %10, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %61, i64 noundef %63)
  %65 = load i8, ptr %64, align 1, !tbaa !11
  %66 = sext i8 %65 to i32
  %67 = icmp eq i32 %66, 46
  br i1 %67, label %68, label %71

68:                                               ; preds = %57
  %69 = load i32, ptr %7, align 4, !tbaa !5
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %7, align 4, !tbaa !5
  br label %71

71:                                               ; preds = %68, %57, %52
  br label %72

72:                                               ; preds = %71, %32
  %73 = load i32, ptr %10, align 4, !tbaa !5
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %10, align 4, !tbaa !5
  br label %17, !llvm.loop !12

75:                                               ; preds = %21
  br label %76

76:                                               ; preds = %75
  %77 = load i32, ptr %8, align 4, !tbaa !5
  %78 = add nsw i32 %77, 1
  store i32 %78, ptr %8, align 4, !tbaa !5
  br label %11, !llvm.loop !14

79:                                               ; preds = %15
  %80 = load i32, ptr %7, align 4, !tbaa !5
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret i32 %80
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 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 = { 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 = !{!"any pointer", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z5solveiiSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE(i32 noundef %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = icmp sgt i32 %0, 0
  %5 = icmp sgt i32 %1, 0
  %or.cond = and i1 %4, %5
  br i1 %or.cond, label %.preheader.us.preheader, label %._crit_edge30

.preheader.us.preheader:                          ; preds = %3
  %6 = zext nneg i32 %1 to i64
  %7 = zext nneg i32 %0 to i64
  %wide.trip.count52 = zext nneg i32 %0 to i64
  %wide.trip.count = zext nneg i32 %1 to i64
  %wide.trip.count47 = zext nneg i32 %1 to i64
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us.preheader, %._crit_edge.us
  %indvars.iv49 = phi i64 [ 0, %.preheader.us.preheader ], [ %indvars.iv.next50, %._crit_edge.us ]
  %.02028.us = phi i32 [ 0, %.preheader.us.preheader ], [ %.us-phi.us, %._crit_edge.us ]
  %indvars.iv.next50 = add nuw nsw i64 %indvars.iv49, 1
  %8 = icmp ult i64 %indvars.iv.next50, %7
  br i1 %8, label %.lr.ph.split.us.us, label %.lr.ph.split.us39

.lr.ph.split.us39:                                ; preds = %.preheader.us, %.lr.ph.split.us39._crit_edge
  %indvars.iv = phi i64 [ %.pre54, %.lr.ph.split.us39._crit_edge ], [ 0, %.preheader.us ]
  %.126.us33 = phi i32 [ %.3.us36, %.lr.ph.split.us39._crit_edge ], [ %.02028.us, %.preheader.us ]
  %9 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv49) #1
  %10 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef %indvars.iv)
  %11 = load i8, ptr %10, align 1, !tbaa !5
  %12 = icmp ne i8 %11, 35
  %.pre54 = add nuw nsw i64 %indvars.iv, 1
  %13 = icmp ult i64 %.pre54, %6
  %or.cond56 = select i1 %12, i1 %13, i1 false
  br i1 %or.cond56, label %14, label %.lr.ph.split.us39._crit_edge

14:                                               ; preds = %.lr.ph.split.us39
  %15 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv49) #1
  %16 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %15, i64 noundef %.pre54)
  %17 = load i8, ptr %16, align 1, !tbaa !5
  %18 = icmp eq i8 %17, 46
  %19 = zext i1 %18 to i32
  %spec.select.us34 = add nsw i32 %.126.us33, %19
  br label %.lr.ph.split.us39._crit_edge

.lr.ph.split.us39._crit_edge:                     ; preds = %.lr.ph.split.us39, %14
  %.3.us36 = phi i32 [ %spec.select.us34, %14 ], [ %.126.us33, %.lr.ph.split.us39 ]
  %exitcond.not = icmp eq i64 %.pre54, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge.us, label %.lr.ph.split.us39, !llvm.loop !8

._crit_edge.us:                                   ; preds = %.lr.ph.split.us39._crit_edge, %.lr.ph.split.us.us._crit_edge
  %.us-phi.us = phi i32 [ %.3.us.us, %.lr.ph.split.us.us._crit_edge ], [ %.3.us36, %.lr.ph.split.us39._crit_edge ]
  %exitcond53.not = icmp eq i64 %indvars.iv.next50, %wide.trip.count52
  br i1 %exitcond53.not, label %._crit_edge30, label %.preheader.us, !llvm.loop !10

.lr.ph.split.us.us:                               ; preds = %.preheader.us, %.lr.ph.split.us.us._crit_edge
  %indvars.iv44 = phi i64 [ %.pre, %.lr.ph.split.us.us._crit_edge ], [ 0, %.preheader.us ]
  %.126.us.us = phi i32 [ %.3.us.us, %.lr.ph.split.us.us._crit_edge ], [ %.02028.us, %.preheader.us ]
  %20 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv49) #1
  %21 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %20, i64 noundef %indvars.iv44)
  %22 = load i8, ptr %21, align 1, !tbaa !5
  %23 = icmp eq i8 %22, 35
  %.pre = add nuw nsw i64 %indvars.iv44, 1
  br i1 %23, label %.lr.ph.split.us.us._crit_edge, label %24

24:                                               ; preds = %.lr.ph.split.us.us
  %25 = icmp ult i64 %.pre, %6
  br i1 %25, label %26, label %32

26:                                               ; preds = %24
  %27 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv49) #1
  %28 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %27, i64 noundef %.pre)
  %29 = load i8, ptr %28, align 1, !tbaa !5
  %30 = icmp eq i8 %29, 46
  %31 = zext i1 %30 to i32
  %spec.select.us.us = add nsw i32 %.126.us.us, %31
  br label %32

32:                                               ; preds = %26, %24
  %.2.us.us = phi i32 [ %.126.us.us, %24 ], [ %spec.select.us.us, %26 ]
  %33 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv.next50) #1
  %34 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %33, i64 noundef %indvars.iv44)
  %35 = load i8, ptr %34, align 1, !tbaa !5
  %36 = icmp eq i8 %35, 46
  %37 = zext i1 %36 to i32
  %spec.select25.us.us = add nsw i32 %.2.us.us, %37
  br label %.lr.ph.split.us.us._crit_edge

.lr.ph.split.us.us._crit_edge:                    ; preds = %.lr.ph.split.us.us, %32
  %.3.us.us = phi i32 [ %spec.select25.us.us, %32 ], [ %.126.us.us, %.lr.ph.split.us.us ]
  %exitcond48.not = icmp eq i64 %.pre, %wide.trip.count47
  br i1 %exitcond48.not, label %._crit_edge.us, label %.lr.ph.split.us.us, !llvm.loop !8

._crit_edge30:                                    ; preds = %._crit_edge.us, %3
  %.020.lcssa = phi i32 [ 0, %3 ], [ %.us-phi.us, %._crit_edge.us ]
  ret i32 %.020.lcssa
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = distinct !{!10, !9}


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