; LLVM IR from kazunetakahashi/atcoder :: 201510_201609/1115_codefes2015_morning/B.ll (Z5kaisuiii)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

@_Z1SB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@N = external dso_local global i32, align 4
@table = external dso_local global [110 x [110 x [110 x i32]]], align 16

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z5kaisuiii(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 i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 %0, ptr %5, align 4, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !5
  %10 = load i32, ptr %5, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = getelementptr inbounds [110 x [110 x [110 x i32]]], ptr @table, i64 0, i64 %11
  %13 = load i32, ptr %6, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [110 x [110 x i32]], ptr %12, i64 0, i64 %14
  %16 = load i32, ptr %7, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [110 x i32], ptr %15, i64 0, i64 %17
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = icmp ne i32 %19, -1
  br i1 %20, label %21, label %32

21:                                               ; preds = %3
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [110 x [110 x [110 x i32]]], ptr @table, i64 0, i64 %23
  %25 = load i32, ptr %6, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [110 x [110 x i32]], ptr %24, i64 0, i64 %26
  %28 = load i32, ptr %7, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [110 x i32], ptr %27, i64 0, i64 %29
  %31 = load i32, ptr %30, align 4, !tbaa !5
  store i32 %31, ptr %4, align 4
  br label %109

32:                                               ; preds = %3
  %33 = load i32, ptr %5, align 4, !tbaa !5
  %34 = load i32, ptr %6, align 4, !tbaa !5
  %35 = icmp eq i32 %33, %34
  br i1 %35, label %40, label %36

36:                                               ; preds = %32
  %37 = load i32, ptr %7, align 4, !tbaa !5
  %38 = load i32, ptr @N, align 4, !tbaa !5
  %39 = icmp eq i32 %37, %38
  br i1 %39, label %40, label %57

40:                                               ; preds = %36, %32
  %41 = load i32, ptr %6, align 4, !tbaa !5
  %42 = load i32, ptr %5, align 4, !tbaa !5
  %43 = sub nsw i32 %41, %42
  %44 = load i32, ptr @N, align 4, !tbaa !5
  %45 = add nsw i32 %43, %44
  %46 = load i32, ptr %7, align 4, !tbaa !5
  %47 = sub nsw i32 %45, %46
  %48 = load i32, ptr %5, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [110 x [110 x [110 x i32]]], ptr @table, i64 0, i64 %49
  %51 = load i32, ptr %6, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [110 x [110 x i32]], ptr %50, i64 0, i64 %52
  %54 = load i32, ptr %7, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [110 x i32], ptr %53, i64 0, i64 %55
  store i32 %47, ptr %56, align 4, !tbaa !5
  store i32 %47, ptr %4, align 4
  br label %109

57:                                               ; preds = %36
  %58 = load i32, ptr %5, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %59)
  %61 = load i8, ptr %60, align 1, !tbaa !9
  %62 = sext i8 %61 to i32
  %63 = load i32, ptr %7, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %64)
  %66 = load i8, ptr %65, align 1, !tbaa !9
  %67 = sext i8 %66 to i32
  %68 = icmp eq i32 %62, %67
  br i1 %68, label %69, label %85

69:                                               ; preds = %57
  %70 = load i32, ptr %5, align 4, !tbaa !5
  %71 = add nsw i32 %70, 1
  %72 = load i32, ptr %6, align 4, !tbaa !5
  %73 = load i32, ptr %7, align 4, !tbaa !5
  %74 = add nsw i32 %73, 1
  %75 = call noundef i32 @_Z5kaisuiii(i32 noundef %71, i32 noundef %72, i32 noundef %74)
  %76 = load i32, ptr %5, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds [110 x [110 x [110 x i32]]], ptr @table, i64 0, i64 %77
  %79 = load i32, ptr %6, align 4, !tbaa !5
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds [110 x [110 x i32]], ptr %78, i64 0, i64 %80
  %82 = load i32, ptr %7, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [110 x i32], ptr %81, i64 0, i64 %83
  store i32 %75, ptr %84, align 4, !tbaa !5
  store i32 %75, ptr %4, align 4
  br label %109

85:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %86 = load i32, ptr %5, align 4, !tbaa !5
  %87 = add nsw i32 %86, 1
  %88 = load i32, ptr %6, align 4, !tbaa !5
  %89 = load i32, ptr %7, align 4, !tbaa !5
  %90 = call noundef i32 @_Z5kaisuiii(i32 noundef %87, i32 noundef %88, i32 noundef %89)
  %91 = add nsw i32 %90, 1
  store i32 %91, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %92 = load i32, ptr %5, align 4, !tbaa !5
  %93 = load i32, ptr %6, align 4, !tbaa !5
  %94 = load i32, ptr %7, align 4, !tbaa !5
  %95 = add nsw i32 %94, 1
  %96 = call noundef i32 @_Z5kaisuiii(i32 noundef %92, i32 noundef %93, i32 noundef %95)
  %97 = add nsw i32 %96, 1
  store i32 %97, ptr %9, align 4, !tbaa !5
  %98 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %99 = load i32, ptr %98, align 4, !tbaa !5
  %100 = load i32, ptr %5, align 4, !tbaa !5
  %101 = sext i32 %100 to i64
  %102 = getelementptr inbounds [110 x [110 x [110 x i32]]], ptr @table, i64 0, i64 %101
  %103 = load i32, ptr %6, align 4, !tbaa !5
  %104 = sext i32 %103 to i64
  %105 = getelementptr inbounds [110 x [110 x i32]], ptr %102, i64 0, i64 %104
  %106 = load i32, ptr %7, align 4, !tbaa !5
  %107 = sext i32 %106 to i64
  %108 = getelementptr inbounds [110 x i32], ptr %105, i64 0, i64 %107
  store i32 %99, ptr %108, align 4, !tbaa !5
  store i32 %99, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %109

109:                                              ; preds = %85, %69, %40, %21
  %110 = load i32, ptr %4, align 4
  ret i32 %110
}

; 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) #1 align 2

; 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)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!7, !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"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

@_Z1SB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@N = external dso_local local_unnamed_addr global i32, align 4
@table = external dso_local local_unnamed_addr global [110 x [110 x [110 x i32]]], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z5kaisuiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = sext i32 %0 to i64
  %7 = sext i32 %1 to i64
  %8 = sext i32 %2 to i64
  %9 = getelementptr inbounds [110 x [110 x [110 x i32]]], ptr @table, i64 0, i64 %6, i64 %7, i64 %8
  %10 = load i32, ptr %9, align 4, !tbaa !5
  %.not = icmp eq i32 %10, -1
  br i1 %.not, label %11, label %common.ret40

11:                                               ; preds = %3
  %12 = icmp eq i32 %0, %1
  %13 = load i32, ptr @N, align 4
  %14 = icmp eq i32 %13, %2
  %or.cond = select i1 %12, i1 true, i1 %14
  br i1 %or.cond, label %15, label %19

15:                                               ; preds = %11
  %16 = add i32 %0, %2
  %17 = sub i32 %1, %16
  %18 = add i32 %17, %13
  store i32 %18, ptr %9, align 4, !tbaa !5
  br label %common.ret40

19:                                               ; preds = %11
  %20 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %6)
  %21 = load i8, ptr %20, align 1, !tbaa !9
  %22 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %8)
  %23 = load i8, ptr %22, align 1, !tbaa !9
  %24 = icmp eq i8 %21, %23
  br i1 %24, label %25, label %29

common.ret40:                                     ; preds = %3, %15, %29, %25
  %common.ret40.op = phi i32 [ %28, %25 ], [ %37, %29 ], [ %18, %15 ], [ %10, %3 ]
  ret i32 %common.ret40.op

25:                                               ; preds = %19
  %26 = add nsw i32 %0, 1
  %27 = add nsw i32 %2, 1
  %28 = tail call noundef i32 @_Z5kaisuiii(i32 noundef %26, i32 noundef %1, i32 noundef %27)
  store i32 %28, ptr %9, align 4, !tbaa !5
  br label %common.ret40

29:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %30 = add nsw i32 %0, 1
  %31 = tail call noundef i32 @_Z5kaisuiii(i32 noundef %30, i32 noundef %1, i32 noundef %2)
  %32 = add nsw i32 %31, 1
  store i32 %32, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #3
  %33 = add nsw i32 %2, 1
  %34 = tail call noundef i32 @_Z5kaisuiii(i32 noundef %0, i32 noundef %1, i32 noundef %33)
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %5, align 4, !tbaa !5
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %37 = load i32, ptr %36, align 4, !tbaa !5
  store i32 %37, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  br label %common.ret40
}

; 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

; 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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!7, !7, i64 0}


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