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

; 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"

%struct.CUniqBlocks = type { %class.CObjectVector, %class.CRecordVector.0, %class.CRecordVector.0 }
%class.CObjectVector = type { %class.CRecordVector }
%class.CRecordVector = type { ptr, i32, i32 }
%class.CRecordVector.0 = type { ptr, i32, i32 }

; 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 @_ZNK7CBufferIhE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16)) #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
declare dso_local noundef i32 @_ZNK13CObjectVectorI7CBufferIhEE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_ZNK11CUniqBlocks19GetTotalSizeInBytesEv(ptr noundef nonnull align 8 dereferenceable(48) %0) #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store i64 0, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !11
  br label %6

6:                                                ; preds = %19, %1
  %7 = load i32, ptr %4, align 4, !tbaa !11
  %8 = getelementptr inbounds %struct.CUniqBlocks, ptr %5, i32 0, i32 0
  %9 = call noundef i32 @_ZNK13CObjectVectorI7CBufferIhEE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16) %8)
  %10 = icmp ult i32 %7, %9
  br i1 %10, label %12, label %11

11:                                               ; preds = %6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %22

12:                                               ; preds = %6
  %13 = getelementptr inbounds %struct.CUniqBlocks, ptr %5, i32 0, i32 0
  %14 = load i32, ptr %4, align 4, !tbaa !11
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK13CObjectVectorI7CBufferIhEEixEj(ptr noundef nonnull align 8 dereferenceable(16) %13, i32 noundef %14)
  %16 = call noundef i64 @_ZNK7CBufferIhE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16) %15)
  %17 = load i64, ptr %3, align 8, !tbaa !9
  %18 = add i64 %17, %16
  store i64 %18, ptr %3, align 8, !tbaa !9
  br label %19

19:                                               ; preds = %12
  %20 = load i32, ptr %4, align 4, !tbaa !11
  %21 = add i32 %20, 1
  store i32 %21, ptr %4, align 4, !tbaa !11
  br label %6, !llvm.loop !13

22:                                               ; preds = %11
  %23 = load i64, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret i64 %23
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK13CObjectVectorI7CBufferIhEEixEj(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) #2 align 2

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 = { 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 = { 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 = !{!"long long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !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"

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK7CBufferIhE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZNK13CObjectVectorI7CBufferIhEE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_ZNK11CUniqBlocks19GetTotalSizeInBytesEv(ptr noundef nonnull align 8 dereferenceable(48) %0) local_unnamed_addr #1 align 2 {
  %2 = tail call noundef i32 @_ZNK13CObjectVectorI7CBufferIhEE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16) %0)
  %.not = icmp eq i32 %2, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %1
  %.05.lcssa = phi i64 [ 0, %1 ], [ %5, %.lr.ph ]
  ret i64 %.05.lcssa

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.07 = phi i32 [ %6, %.lr.ph ], [ 0, %1 ]
  %.056 = phi i64 [ %5, %.lr.ph ], [ 0, %1 ]
  %3 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK13CObjectVectorI7CBufferIhEEixEj(ptr noundef nonnull align 8 dereferenceable(16) %0, i32 noundef %.07)
  %4 = tail call noundef i64 @_ZNK7CBufferIhE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
  %5 = add i64 %4, %.056
  %6 = add nuw i32 %.07, 1
  %7 = tail call noundef i32 @_ZNK13CObjectVectorI7CBufferIhEE4SizeEv(ptr noundef nonnull align 8 dereferenceable(16) %0)
  %8 = icmp ult i32 %6, %7
  br i1 %8, label %.lr.ph, label %._crit_edge, !llvm.loop !5
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK13CObjectVectorI7CBufferIhEEixEj(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) local_unnamed_addr #1 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 = { 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" }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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