; LLVM IR from SSBMTonberry/pocketlzma :: ref_spec/lzma1900/CPP/7zip/UI/Common (SortUtils)

; 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 void @_Z13SortFileNamesRK13CObjectVectorI7UStringER13CRecordVectorIjE(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = call noundef i32 @_ZNK13CObjectVectorI7UStringE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16) %9)
  store i32 %10, ptr %5, align 4, !tbaa !9
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = load i32, ptr %5, align 4, !tbaa !9
  call void @_ZN13CRecordVectorIjE15ClearAndSetSizeEj(ptr noundef nonnull align 8 dereferenceable(16) %11, i32 noundef %12)
  %13 = load i32, ptr %5, align 4, !tbaa !9
  %14 = icmp eq i32 %13, 0
  br i1 %14, label %15, label %16

15:                                               ; preds = %2
  store i32 1, ptr %6, align 4
  br label %36

16:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN13CRecordVectorIjEixEj(ptr noundef nonnull align 8 dereferenceable(16) %17, i32 noundef 0)
  store ptr %18, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %30, %16
  %20 = load i32, ptr %8, align 4, !tbaa !9
  %21 = load i32, ptr %5, align 4, !tbaa !9
  %22 = icmp ult i32 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %33

24:                                               ; preds = %19
  %25 = load i32, ptr %8, align 4, !tbaa !9
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = load i32, ptr %8, align 4, !tbaa !9
  %28 = zext i32 %27 to i64
  %29 = getelementptr inbounds i32, ptr %26, i64 %28
  store i32 %25, ptr %29, align 4, !tbaa !9
  br label %30

30:                                               ; preds = %24
  %31 = load i32, ptr %8, align 4, !tbaa !9
  %32 = add i32 %31, 1
  store i32 %32, ptr %8, align 4, !tbaa !9
  br label %19, !llvm.loop !11

33:                                               ; preds = %23
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = load ptr, ptr %3, align 8, !tbaa !5
  call void @_ZN13CRecordVectorIjE4SortEPFiPKjS2_PvES3_(ptr noundef nonnull align 8 dereferenceable(16) %34, ptr noundef @_ZL14CompareStringsPKjS0_Pv, ptr noundef %35)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  store i32 0, ptr %6, align 4
  br label %36

36:                                               ; preds = %33, %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  %37 = load i32, ptr %6, align 4
  switch i32 %37, label %39 [
    i32 0, label %38
    i32 1, label %38
  ]

38:                                               ; preds = %36, %36
  ret void

39:                                               ; preds = %36
  unreachable
}

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZNK13CObjectVectorI7UStringE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13CRecordVectorIjE15ClearAndSetSizeEj(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN13CRecordVectorIjEixEj(ptr noundef nonnull align 8 dereferenceable(16), i32 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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13CRecordVectorIjE4SortEPFiPKjS2_PvES3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, ptr noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare hidden noundef i32 @_ZL14CompareStringsPKjS0_Pv(ptr noundef, ptr noundef, ptr noundef) #0

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 = !{!"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 = distinct !{!11, !12}
!12 = !{!"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"

; Function Attrs: mustprogress uwtable
define dso_local void @_Z13SortFileNamesRK13CObjectVectorI7UStringER13CRecordVectorIjE(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) local_unnamed_addr #0 {
  %3 = tail call noundef i32 @_ZNK13CObjectVectorI7UStringE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16) %0)
  tail call void @_ZN13CRecordVectorIjE15ClearAndSetSizeEj(ptr noundef nonnull align 8 dereferenceable(16) %1, i32 noundef %3)
  %4 = icmp eq i32 %3, 0
  br i1 %4, label %12, label %5

5:                                                ; preds = %2
  %6 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZN13CRecordVectorIjEixEj(ptr noundef nonnull align 8 dereferenceable(16) %1, i32 noundef 0)
  %wide.trip.count = zext i32 %3 to i64
  %min.iters.check = icmp ult i32 %3, 8
  br i1 %min.iters.check, label %scalar.ph.preheader, label %vector.ph

scalar.ph.preheader:                              ; preds = %middle.block, %5
  %indvars.iv.ph = phi i64 [ 0, %5 ], [ %n.vec, %middle.block ]
  br label %scalar.ph

vector.ph:                                        ; preds = %5
  %n.vec = and i64 %wide.trip.count, 4294967288
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %vec.ind = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, %vector.ph ], [ %vec.ind.next, %vector.body ]
  %step.add = add <4 x i32> %vec.ind, <i32 4, i32 4, i32 4, i32 4>
  %7 = getelementptr inbounds i32, ptr %6, i64 %index
  %8 = getelementptr inbounds i8, ptr %7, i64 16
  store <4 x i32> %vec.ind, ptr %7, align 4, !tbaa !5
  store <4 x i32> %step.add, ptr %8, align 4, !tbaa !5
  %index.next = add nuw i64 %index, 8
  %vec.ind.next = add <4 x i32> %vec.ind, <i32 8, i32 8, i32 8, i32 8>
  %9 = icmp eq i64 %index.next, %n.vec
  br i1 %9, label %middle.block, label %vector.body, !llvm.loop !9

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  br i1 %cmp.n, label %.loopexit, label %scalar.ph.preheader

.loopexit:                                        ; preds = %scalar.ph, %middle.block
  tail call void @_ZN13CRecordVectorIjE4SortEPFiPKjS2_PvES3_(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull @_ZL14CompareStringsPKjS0_Pv, ptr noundef nonnull %0)
  br label %12

scalar.ph:                                        ; preds = %scalar.ph.preheader, %scalar.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %scalar.ph ], [ %indvars.iv.ph, %scalar.ph.preheader ]
  %10 = getelementptr inbounds i32, ptr %6, i64 %indvars.iv
  %11 = trunc nuw i64 %indvars.iv to i32
  store i32 %11, ptr %10, align 4, !tbaa !5
  %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 %.loopexit, label %scalar.ph, !llvm.loop !13

12:                                               ; preds = %2, %.loopexit
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZNK13CObjectVectorI7UStringE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13CRecordVectorIjE15ClearAndSetSizeEj(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN13CRecordVectorIjEixEj(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13CRecordVectorIjE4SortEPFiPKjS2_PvES3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare hidden noundef i32 @_ZL14CompareStringsPKjS0_Pv(ptr noundef, ptr noundef, ptr noundef) #0

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" }

!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, !11, !12}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.isvectorized", i32 1}
!12 = !{!"llvm.loop.unroll.runtime.disable"}
!13 = distinct !{!13, !10, !12, !11}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopLoadEliminationPass,LoopRotatePass,LoopUnrollPass,LoopVectorizePass,SROAPass,SimplifyCFGPass,TailCallElimPass