; LLVM IR from ox-vgg/vise :: src/search_engine/relja_retrival/external/KMCode_relja/matrix (operator)

; 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.Matrix = type { ptr, 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN6MatrixclEii(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i32 noundef) unnamed_addr #1 align 2

; Function Attrs: nounwind
declare void @_ZN6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2

declare void @_ZN6MatrixC1ERKS_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK6MatrixdvEd(ptr dead_on_unwind noalias writable sret(%class.Matrix) align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, double noundef %2) #4 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca double, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i1, align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store double %2, ptr %6, align 8, !tbaa !9
  %12 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i1 false, ptr %9, align 1
  call void @_ZN6MatrixC1ERKS_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %12)
  store i32 1, ptr %7, align 4, !tbaa !11
  br label %13

13:                                               ; preds = %40, %3
  %14 = load i32, ptr %7, align 4, !tbaa !11
  %15 = invoke noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
          to label %16 unwind label %35

16:                                               ; preds = %13
  %17 = icmp sle i32 %14, %15
  br i1 %17, label %18, label %43

18:                                               ; preds = %16
  store i32 1, ptr %8, align 4, !tbaa !11
  br label %19

19:                                               ; preds = %32, %18
  %20 = load i32, ptr %8, align 4, !tbaa !11
  %21 = invoke noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
          to label %22 unwind label %35

22:                                               ; preds = %19
  %23 = icmp sle i32 %20, %21
  br i1 %23, label %24, label %39

24:                                               ; preds = %22
  %25 = load double, ptr %6, align 8, !tbaa !9
  %26 = load i32, ptr %7, align 4, !tbaa !11
  %27 = load i32, ptr %8, align 4, !tbaa !11
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZN6MatrixclEii(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %26, i32 noundef %27)
          to label %29 unwind label %35

29:                                               ; preds = %24
  %30 = load double, ptr %28, align 8, !tbaa !9
  %31 = fdiv double %30, %25
  store double %31, ptr %28, align 8, !tbaa !9
  br label %32

32:                                               ; preds = %29
  %33 = load i32, ptr %8, align 4, !tbaa !11
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %8, align 4, !tbaa !11
  br label %19, !llvm.loop !13

35:                                               ; preds = %24, %19, %13
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %10, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %11, align 4
  call void @_ZN6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %47

39:                                               ; preds = %22
  br label %40

40:                                               ; preds = %39
  %41 = load i32, ptr %7, align 4, !tbaa !11
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %7, align 4, !tbaa !11
  br label %13, !llvm.loop !15

43:                                               ; preds = %16
  store i1 true, ptr %9, align 1
  %44 = load i1, ptr %9, align 1
  br i1 %44, label %46, label %45

45:                                               ; preds = %43
  call void @_ZN6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  br label %46

46:                                               ; preds = %45, %43
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  ret void

47:                                               ; preds = %35
  %48 = load ptr, ptr %10, align 8
  %49 = load i32, ptr %11, align 4
  %50 = insertvalue { ptr, i32 } poison, ptr %48, 0
  %51 = insertvalue { ptr, i32 } %50, i32 %49, 1
  resume { ptr, i32 } %51
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #3 = { "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 = { 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 #5 = { 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 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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.Matrix = type { ptr, ptr, i32, i32 }

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN6MatrixclEii(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i32 noundef) unnamed_addr #0 align 2

declare void @_ZN6MatrixC1ERKS_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK6MatrixdvEd(ptr dead_on_unwind noalias nonnull writable sret(%class.Matrix) align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, double noundef %2) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN6MatrixC1ERKS_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1)
  %4 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not12 = icmp slt i32 %4, 1
  br i1 %.not12, label %._crit_edge14, label %.preheader

.preheader:                                       ; preds = %3, %._crit_edge
  %.0813 = phi i32 [ %11, %._crit_edge ], [ 1, %3 ]
  %5 = tail call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not910 = icmp slt i32 %5, 1
  br i1 %.not910, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.011 = phi i32 [ %9, %.lr.ph ], [ 1, %.preheader ]
  %6 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN6MatrixclEii(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %.0813, i32 noundef %.011)
  %7 = load double, ptr %6, align 8, !tbaa !5
  %8 = fdiv double %7, %2
  store double %8, ptr %6, align 8, !tbaa !5
  %9 = add nuw nsw i32 %.011, 1
  %10 = tail call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not9.not = icmp slt i32 %.011, %10
  br i1 %.not9.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %11 = add nuw nsw i32 %.0813, 1
  %12 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not.not = icmp slt i32 %.0813, %12
  br i1 %.not.not, label %.preheader, label %._crit_edge14, !llvm.loop !11

._crit_edge14:                                    ; preds = %._crit_edge, %3
  ret void
}

attributes #0 = { 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 #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" }

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


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass