; LLVM IR from intuitive-robots/mdt_policy :: pyhash-0.9.3/src/smhasher/Bitslice.ll (Z8countxorRSt6vectorIjSaIjEES2_)

; 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"

@.str = external hidden unnamed_addr constant [21 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [100 x i8], align 1
@__PRETTY_FUNCTION__._Z8countxorRSt6vectorIjSaIjEES2_ = external hidden unnamed_addr constant [31 x i8], align 1

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

declare noundef i32 @_Z9countbitsj(i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; 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 i32 @_Z8countxorRSt6vectorIjSaIjEES2_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #3 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  %12 = icmp eq i64 %9, %11
  br i1 %12, label %13, label %14

13:                                               ; preds = %2
  br label %16

14:                                               ; preds = %2
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 26, ptr noundef @__PRETTY_FUNCTION__._Z8countxorRSt6vectorIjSaIjEES2_) #6
  unreachable

15:                                               ; No predecessors!
  br label %16

16:                                               ; preds = %15, %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store i64 0, ptr %6, align 8, !tbaa !11
  br label %17

17:                                               ; preds = %37, %16
  %18 = load i64, ptr %6, align 8, !tbaa !11
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #5
  %21 = icmp ult i64 %18, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %40

23:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = load i64, ptr %6, align 8, !tbaa !11
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %24, i64 noundef %25) #5
  %27 = load i32, ptr %26, align 4, !tbaa !9
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = load i64, ptr %6, align 8, !tbaa !11
  %30 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %28, i64 noundef %29) #5
  %31 = load i32, ptr %30, align 4, !tbaa !9
  %32 = xor i32 %27, %31
  %33 = call noundef i32 @_Z9countbitsj(i32 noundef %32)
  store i32 %33, ptr %7, align 4, !tbaa !9
  %34 = load i32, ptr %7, align 4, !tbaa !9
  %35 = load i32, ptr %5, align 4, !tbaa !9
  %36 = add nsw i32 %35, %34
  store i32 %36, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %37

37:                                               ; preds = %23
  %38 = load i64, ptr %6, align 8, !tbaa !11
  %39 = add i64 %38, 1
  store i64 %39, ptr %6, align 8, !tbaa !11
  br label %17, !llvm.loop !13

40:                                               ; preds = %22
  %41 = load i32, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  ret i32 %41
}

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { "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 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 = { noreturn nounwind "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 }
attributes #6 = { noreturn 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 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

@.str = external hidden unnamed_addr constant [21 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [100 x i8], align 1
@__PRETTY_FUNCTION__._Z8countxorRSt6vectorIjSaIjEES2_ = external hidden unnamed_addr constant [31 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

declare noundef i32 @_Z9countbitsj(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z8countxorRSt6vectorIjSaIjEES2_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #2 {
  %3 = tail call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %4 = tail call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  %5 = icmp eq i64 %3, %4
  br i1 %5, label %.preheader, label %7

.preheader:                                       ; preds = %2
  %6 = tail call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %.not = icmp eq i64 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

7:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 26, ptr noundef nonnull @__PRETTY_FUNCTION__._Z8countxorRSt6vectorIjSaIjEES2_) #5
  unreachable

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %.0.lcssa = phi i32 [ 0, %.preheader ], [ %14, %.lr.ph ]
  ret i32 %.0.lcssa

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.013 = phi i32 [ %14, %.lr.ph ], [ 0, %.preheader ]
  %.01112 = phi i64 [ %15, %.lr.ph ], [ 0, %.preheader ]
  %8 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01112) #4
  %9 = load i32, ptr %8, align 4, !tbaa !5
  %10 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %.01112) #4
  %11 = load i32, ptr %10, align 4, !tbaa !5
  %12 = xor i32 %11, %9
  %13 = tail call noundef i32 @_Z9countbitsj(i32 noundef %12)
  %14 = add nsw i32 %13, %.013
  %15 = add nuw i64 %.01112, 1
  %16 = tail call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %17 = icmp ult i64 %15, %16
  br i1 %17, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #3

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 = { "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 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 = { noreturn nounwind "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 = { nounwind }
attributes #5 = { noreturn 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass