; LLVM IR from UBIC-repo/core :: PassportReader/Reader (BacKeys)

; 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: 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
define dso_local noundef signext i8 @_ZN7BacKeys22calculateChecksumDigitENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef %1, i32 noundef %2) #1 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %11 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 0, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %73, %3
  %13 = load i32, ptr %9, align 4, !tbaa !9
  %14 = load i32, ptr %6, align 4, !tbaa !9
  %15 = icmp slt i32 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %76

17:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  store i32 0, ptr %10, align 4, !tbaa !9
  %18 = load i32, ptr %9, align 4, !tbaa !9
  %19 = sext i32 %18 to i64
  %20 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %19)
  %21 = load i8, ptr %20, align 1, !tbaa !11
  %22 = sext i8 %21 to i32
  %23 = icmp sgt i32 %22, 64
  br i1 %23, label %24, label %39

24:                                               ; preds = %17
  %25 = load i32, ptr %9, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %26)
  %28 = load i8, ptr %27, align 1, !tbaa !11
  %29 = sext i8 %28 to i32
  %30 = icmp slt i32 %29, 91
  br i1 %30, label %31, label %39

31:                                               ; preds = %24
  %32 = load i32, ptr %9, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %33)
  %35 = load i8, ptr %34, align 1, !tbaa !11
  %36 = sext i8 %35 to i32
  %37 = sub nsw i32 %36, 65
  %38 = add nsw i32 %37, 10
  store i32 %38, ptr %10, align 4, !tbaa !9
  br label %39

39:                                               ; preds = %31, %24, %17
  %40 = load i32, ptr %9, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %41)
  %43 = load i8, ptr %42, align 1, !tbaa !11
  %44 = sext i8 %43 to i32
  %45 = icmp sgt i32 %44, 47
  br i1 %45, label %46, label %60

46:                                               ; preds = %39
  %47 = load i32, ptr %9, align 4, !tbaa !9
  %48 = sext i32 %47 to i64
  %49 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %48)
  %50 = load i8, ptr %49, align 1, !tbaa !11
  %51 = sext i8 %50 to i32
  %52 = icmp slt i32 %51, 58
  br i1 %52, label %53, label %60

53:                                               ; preds = %46
  %54 = load i32, ptr %9, align 4, !tbaa !9
  %55 = sext i32 %54 to i64
  %56 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %55)
  %57 = load i8, ptr %56, align 1, !tbaa !11
  %58 = sext i8 %57 to i32
  %59 = sub nsw i32 %58, 48
  store i32 %59, ptr %10, align 4, !tbaa !9
  br label %60

60:                                               ; preds = %53, %46, %39
  %61 = load i32, ptr %9, align 4, !tbaa !9
  %62 = srem i32 %61, 3
  switch i32 %62, label %66 [
    i32 0, label %63
    i32 1, label %64
    i32 2, label %65
  ]

63:                                               ; preds = %60
  store i32 7, ptr %8, align 4, !tbaa !9
  br label %67

64:                                               ; preds = %60
  store i32 3, ptr %8, align 4, !tbaa !9
  br label %67

65:                                               ; preds = %60
  store i32 1, ptr %8, align 4, !tbaa !9
  br label %67

66:                                               ; preds = %60
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %67

67:                                               ; preds = %66, %65, %64, %63
  %68 = load i32, ptr %8, align 4, !tbaa !9
  %69 = load i32, ptr %10, align 4, !tbaa !9
  %70 = mul nsw i32 %68, %69
  %71 = load i32, ptr %7, align 4, !tbaa !9
  %72 = add nsw i32 %71, %70
  store i32 %72, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  br label %73

73:                                               ; preds = %67
  %74 = load i32, ptr %9, align 4, !tbaa !9
  %75 = add nsw i32 %74, 1
  store i32 %75, ptr %9, align 4, !tbaa !9
  br label %12, !llvm.loop !12

76:                                               ; preds = %16
  %77 = load i32, ptr %7, align 4, !tbaa !9
  %78 = srem i32 %77, 10
  %79 = add nsw i32 %78, 48
  %80 = trunc i32 %79 to i8
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret i8 %80
}

; 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

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 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; 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"

@switch.table._ZN7BacKeys22calculateChecksumDigitENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi = private unnamed_addr constant [3 x i32] [i32 7, i32 3, i32 1], align 4

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef signext range(i8 39, 58) i8 @_ZN7BacKeys22calculateChecksumDigitENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr nocapture noundef nonnull readnone align 8 dereferenceable(96) %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #0 align 2 {
  %4 = icmp sgt i32 %2, 0
  br i1 %4, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %3
  %wide.trip.count = zext nneg i32 %2 to i64
  br label %.lr.ph

._crit_edge.loopexit:                             ; preds = %switch.lookup
  %5 = srem i32 %37, 10
  %6 = trunc nsw i32 %5 to i8
  %7 = add nsw i8 %6, 48
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %3
  %.016.lcssa = phi i8 [ 48, %3 ], [ %7, %._crit_edge.loopexit ]
  ret i8 %.016.lcssa

.lr.ph:                                           ; preds = %.lr.ph.preheader, %switch.lookup
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %switch.lookup ]
  %.01618 = phi i32 [ 0, %.lr.ph.preheader ], [ %37, %switch.lookup ]
  %8 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %9 = load i8, ptr %8, align 1, !tbaa !5
  %10 = icmp sgt i8 %9, 64
  br i1 %10, label %11, label %20

11:                                               ; preds = %.lr.ph
  %12 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %13 = load i8, ptr %12, align 1, !tbaa !5
  %14 = icmp slt i8 %13, 91
  br i1 %14, label %15, label %20

15:                                               ; preds = %11
  %16 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %17 = load i8, ptr %16, align 1, !tbaa !5
  %18 = sext i8 %17 to i32
  %19 = add nsw i32 %18, -55
  br label %20

20:                                               ; preds = %15, %11, %.lr.ph
  %.0 = phi i32 [ %19, %15 ], [ 0, %11 ], [ 0, %.lr.ph ]
  %21 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %22 = load i8, ptr %21, align 1, !tbaa !5
  %23 = icmp sgt i8 %22, 47
  br i1 %23, label %24, label %switch.lookup

24:                                               ; preds = %20
  %25 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %26 = load i8, ptr %25, align 1, !tbaa !5
  %27 = icmp slt i8 %26, 58
  br i1 %27, label %28, label %switch.lookup

28:                                               ; preds = %24
  %29 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %30 = load i8, ptr %29, align 1, !tbaa !5
  %31 = sext i8 %30 to i32
  %32 = add nsw i32 %31, -48
  br label %switch.lookup

switch.lookup:                                    ; preds = %28, %24, %20
  %.1 = phi i32 [ %32, %28 ], [ %.0, %24 ], [ %.0, %20 ]
  %33 = trunc nuw nsw i64 %indvars.iv to i32
  %34 = urem i32 %33, 3
  %35 = zext nneg i32 %34 to i64
  %switch.gep = getelementptr inbounds [3 x i32], ptr @switch.table._ZN7BacKeys22calculateChecksumDigitENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi, i64 0, i64 %35
  %switch.load = load i32, ptr %switch.gep, align 4
  %36 = mul nsw i32 %switch.load, %.1
  %37 = add nsw i32 %36, %.01618
  %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 %._crit_edge.loopexit, label %.lr.ph, !llvm.loop !8
}

; 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" }

!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"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass